Implement the MVE VCADD insn. Note that here the size bit is the opposite sense to the other 2-operand fp insns. We don't check for the sz == 1 && Qd == Qm UNPREDICTABLE case, because that would mean we can't use the DO_2OP_FP macro in translate-mve.c. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2897 lines
132 KiB
C
2897 lines
132 KiB
C
/*
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* M-profile MVE Operations
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*
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* Copyright (c) 2021 Linaro, Ltd.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "cpu.h"
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#include "internals.h"
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#include "vec_internal.h"
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#include "exec/helper-proto.h"
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#include "exec/cpu_ldst.h"
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#include "exec/exec-all.h"
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#include "tcg/tcg.h"
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#include "fpu/softfloat.h"
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static uint16_t mve_eci_mask(CPUARMState *env)
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{
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/*
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* Return the mask of which elements in the MVE vector correspond
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* to beats being executed. The mask has 1 bits for executed lanes
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* and 0 bits where ECI says this beat was already executed.
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*/
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int eci;
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if ((env->condexec_bits & 0xf) != 0) {
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return 0xffff;
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}
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eci = env->condexec_bits >> 4;
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switch (eci) {
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case ECI_NONE:
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return 0xffff;
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case ECI_A0:
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return 0xfff0;
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case ECI_A0A1:
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return 0xff00;
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case ECI_A0A1A2:
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case ECI_A0A1A2B0:
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return 0xf000;
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default:
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g_assert_not_reached();
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}
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}
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static uint16_t mve_element_mask(CPUARMState *env)
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{
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/*
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* Return the mask of which elements in the MVE vector should be
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* updated. This is a combination of multiple things:
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* (1) by default, we update every lane in the vector
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* (2) VPT predication stores its state in the VPR register;
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* (3) low-overhead-branch tail predication will mask out part
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* the vector on the final iteration of the loop
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* (4) if EPSR.ECI is set then we must execute only some beats
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* of the insn
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* We combine all these into a 16-bit result with the same semantics
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* as VPR.P0: 0 to mask the lane, 1 if it is active.
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* 8-bit vector ops will look at all bits of the result;
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* 16-bit ops will look at bits 0, 2, 4, ...;
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* 32-bit ops will look at bits 0, 4, 8 and 12.
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* Compare pseudocode GetCurInstrBeat(), though that only returns
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* the 4-bit slice of the mask corresponding to a single beat.
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*/
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uint16_t mask = FIELD_EX32(env->v7m.vpr, V7M_VPR, P0);
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if (!(env->v7m.vpr & R_V7M_VPR_MASK01_MASK)) {
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mask |= 0xff;
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}
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if (!(env->v7m.vpr & R_V7M_VPR_MASK23_MASK)) {
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mask |= 0xff00;
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}
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if (env->v7m.ltpsize < 4 &&
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env->regs[14] <= (1 << (4 - env->v7m.ltpsize))) {
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/*
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* Tail predication active, and this is the last loop iteration.
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* The element size is (1 << ltpsize), and we only want to process
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* loopcount elements, so we want to retain the least significant
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* (loopcount * esize) predicate bits and zero out bits above that.
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*/
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int masklen = env->regs[14] << env->v7m.ltpsize;
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assert(masklen <= 16);
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uint16_t ltpmask = masklen ? MAKE_64BIT_MASK(0, masklen) : 0;
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mask &= ltpmask;
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}
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/*
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* ECI bits indicate which beats are already executed;
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* we handle this by effectively predicating them out.
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*/
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mask &= mve_eci_mask(env);
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return mask;
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}
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static void mve_advance_vpt(CPUARMState *env)
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{
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/* Advance the VPT and ECI state if necessary */
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uint32_t vpr = env->v7m.vpr;
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unsigned mask01, mask23;
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uint16_t inv_mask;
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uint16_t eci_mask = mve_eci_mask(env);
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if ((env->condexec_bits & 0xf) == 0) {
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env->condexec_bits = (env->condexec_bits == (ECI_A0A1A2B0 << 4)) ?
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(ECI_A0 << 4) : (ECI_NONE << 4);
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}
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if (!(vpr & (R_V7M_VPR_MASK01_MASK | R_V7M_VPR_MASK23_MASK))) {
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/* VPT not enabled, nothing to do */
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return;
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}
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/* Invert P0 bits if needed, but only for beats we actually executed */
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mask01 = FIELD_EX32(vpr, V7M_VPR, MASK01);
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mask23 = FIELD_EX32(vpr, V7M_VPR, MASK23);
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/* Start by assuming we invert all bits corresponding to executed beats */
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inv_mask = eci_mask;
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if (mask01 <= 8) {
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/* MASK01 says don't invert low half of P0 */
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inv_mask &= ~0xff;
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}
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if (mask23 <= 8) {
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/* MASK23 says don't invert high half of P0 */
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inv_mask &= ~0xff00;
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}
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vpr ^= inv_mask;
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/* Only update MASK01 if beat 1 executed */
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if (eci_mask & 0xf0) {
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vpr = FIELD_DP32(vpr, V7M_VPR, MASK01, mask01 << 1);
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}
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/* Beat 3 always executes, so update MASK23 */
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vpr = FIELD_DP32(vpr, V7M_VPR, MASK23, mask23 << 1);
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env->v7m.vpr = vpr;
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}
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/* For loads, predicated lanes are zeroed instead of keeping their old values */
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#define DO_VLDR(OP, MSIZE, LDTYPE, ESIZE, TYPE) \
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void HELPER(mve_##OP)(CPUARMState *env, void *vd, uint32_t addr) \
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{ \
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TYPE *d = vd; \
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uint16_t mask = mve_element_mask(env); \
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uint16_t eci_mask = mve_eci_mask(env); \
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unsigned b, e; \
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/* \
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* R_SXTM allows the dest reg to become UNKNOWN for abandoned \
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* beats so we don't care if we update part of the dest and \
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* then take an exception. \
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*/ \
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for (b = 0, e = 0; b < 16; b += ESIZE, e++) { \
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if (eci_mask & (1 << b)) { \
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d[H##ESIZE(e)] = (mask & (1 << b)) ? \
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cpu_##LDTYPE##_data_ra(env, addr, GETPC()) : 0; \
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} \
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addr += MSIZE; \
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} \
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mve_advance_vpt(env); \
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}
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#define DO_VSTR(OP, MSIZE, STTYPE, ESIZE, TYPE) \
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void HELPER(mve_##OP)(CPUARMState *env, void *vd, uint32_t addr) \
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{ \
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TYPE *d = vd; \
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uint16_t mask = mve_element_mask(env); \
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unsigned b, e; \
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for (b = 0, e = 0; b < 16; b += ESIZE, e++) { \
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if (mask & (1 << b)) { \
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cpu_##STTYPE##_data_ra(env, addr, d[H##ESIZE(e)], GETPC()); \
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} \
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addr += MSIZE; \
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} \
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mve_advance_vpt(env); \
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}
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DO_VLDR(vldrb, 1, ldub, 1, uint8_t)
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DO_VLDR(vldrh, 2, lduw, 2, uint16_t)
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DO_VLDR(vldrw, 4, ldl, 4, uint32_t)
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DO_VSTR(vstrb, 1, stb, 1, uint8_t)
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DO_VSTR(vstrh, 2, stw, 2, uint16_t)
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DO_VSTR(vstrw, 4, stl, 4, uint32_t)
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DO_VLDR(vldrb_sh, 1, ldsb, 2, int16_t)
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DO_VLDR(vldrb_sw, 1, ldsb, 4, int32_t)
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DO_VLDR(vldrb_uh, 1, ldub, 2, uint16_t)
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DO_VLDR(vldrb_uw, 1, ldub, 4, uint32_t)
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DO_VLDR(vldrh_sw, 2, ldsw, 4, int32_t)
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DO_VLDR(vldrh_uw, 2, lduw, 4, uint32_t)
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DO_VSTR(vstrb_h, 1, stb, 2, int16_t)
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DO_VSTR(vstrb_w, 1, stb, 4, int32_t)
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DO_VSTR(vstrh_w, 2, stw, 4, int32_t)
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#undef DO_VLDR
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#undef DO_VSTR
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/*
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* Gather loads/scatter stores. Here each element of Qm specifies
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* an offset to use from the base register Rm. In the _os_ versions
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* that offset is scaled by the element size.
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* For loads, predicated lanes are zeroed instead of retaining
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* their previous values.
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*/
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#define DO_VLDR_SG(OP, LDTYPE, ESIZE, TYPE, OFFTYPE, ADDRFN, WB) \
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void HELPER(mve_##OP)(CPUARMState *env, void *vd, void *vm, \
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uint32_t base) \
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{ \
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TYPE *d = vd; \
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OFFTYPE *m = vm; \
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uint16_t mask = mve_element_mask(env); \
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uint16_t eci_mask = mve_eci_mask(env); \
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unsigned e; \
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uint32_t addr; \
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for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE, eci_mask >>= ESIZE) { \
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if (!(eci_mask & 1)) { \
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continue; \
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} \
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addr = ADDRFN(base, m[H##ESIZE(e)]); \
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d[H##ESIZE(e)] = (mask & 1) ? \
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cpu_##LDTYPE##_data_ra(env, addr, GETPC()) : 0; \
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if (WB) { \
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m[H##ESIZE(e)] = addr; \
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} \
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} \
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mve_advance_vpt(env); \
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}
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/* We know here TYPE is unsigned so always the same as the offset type */
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#define DO_VSTR_SG(OP, STTYPE, ESIZE, TYPE, ADDRFN, WB) \
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void HELPER(mve_##OP)(CPUARMState *env, void *vd, void *vm, \
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uint32_t base) \
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{ \
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TYPE *d = vd; \
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TYPE *m = vm; \
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uint16_t mask = mve_element_mask(env); \
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uint16_t eci_mask = mve_eci_mask(env); \
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unsigned e; \
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uint32_t addr; \
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for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE, eci_mask >>= ESIZE) { \
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if (!(eci_mask & 1)) { \
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continue; \
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} \
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addr = ADDRFN(base, m[H##ESIZE(e)]); \
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if (mask & 1) { \
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cpu_##STTYPE##_data_ra(env, addr, d[H##ESIZE(e)], GETPC()); \
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} \
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if (WB) { \
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m[H##ESIZE(e)] = addr; \
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} \
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} \
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mve_advance_vpt(env); \
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}
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/*
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* 64-bit accesses are slightly different: they are done as two 32-bit
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* accesses, controlled by the predicate mask for the relevant beat,
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* and with a single 32-bit offset in the first of the two Qm elements.
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* Note that for QEMU our IMPDEF AIRCR.ENDIANNESS is always 0 (little).
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* Address writeback happens on the odd beats and updates the address
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* stored in the even-beat element.
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*/
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#define DO_VLDR64_SG(OP, ADDRFN, WB) \
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void HELPER(mve_##OP)(CPUARMState *env, void *vd, void *vm, \
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uint32_t base) \
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{ \
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uint32_t *d = vd; \
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uint32_t *m = vm; \
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uint16_t mask = mve_element_mask(env); \
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uint16_t eci_mask = mve_eci_mask(env); \
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unsigned e; \
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uint32_t addr; \
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for (e = 0; e < 16 / 4; e++, mask >>= 4, eci_mask >>= 4) { \
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if (!(eci_mask & 1)) { \
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continue; \
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} \
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addr = ADDRFN(base, m[H4(e & ~1)]); \
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addr += 4 * (e & 1); \
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d[H4(e)] = (mask & 1) ? cpu_ldl_data_ra(env, addr, GETPC()) : 0; \
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if (WB && (e & 1)) { \
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m[H4(e & ~1)] = addr - 4; \
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} \
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} \
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mve_advance_vpt(env); \
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}
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#define DO_VSTR64_SG(OP, ADDRFN, WB) \
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void HELPER(mve_##OP)(CPUARMState *env, void *vd, void *vm, \
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uint32_t base) \
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{ \
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uint32_t *d = vd; \
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uint32_t *m = vm; \
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uint16_t mask = mve_element_mask(env); \
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uint16_t eci_mask = mve_eci_mask(env); \
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unsigned e; \
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uint32_t addr; \
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for (e = 0; e < 16 / 4; e++, mask >>= 4, eci_mask >>= 4) { \
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if (!(eci_mask & 1)) { \
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continue; \
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} \
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addr = ADDRFN(base, m[H4(e & ~1)]); \
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addr += 4 * (e & 1); \
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if (mask & 1) { \
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cpu_stl_data_ra(env, addr, d[H4(e)], GETPC()); \
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} \
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if (WB && (e & 1)) { \
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m[H4(e & ~1)] = addr - 4; \
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} \
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} \
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mve_advance_vpt(env); \
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}
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#define ADDR_ADD(BASE, OFFSET) ((BASE) + (OFFSET))
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#define ADDR_ADD_OSH(BASE, OFFSET) ((BASE) + ((OFFSET) << 1))
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#define ADDR_ADD_OSW(BASE, OFFSET) ((BASE) + ((OFFSET) << 2))
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#define ADDR_ADD_OSD(BASE, OFFSET) ((BASE) + ((OFFSET) << 3))
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DO_VLDR_SG(vldrb_sg_sh, ldsb, 2, int16_t, uint16_t, ADDR_ADD, false)
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DO_VLDR_SG(vldrb_sg_sw, ldsb, 4, int32_t, uint32_t, ADDR_ADD, false)
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DO_VLDR_SG(vldrh_sg_sw, ldsw, 4, int32_t, uint32_t, ADDR_ADD, false)
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DO_VLDR_SG(vldrb_sg_ub, ldub, 1, uint8_t, uint8_t, ADDR_ADD, false)
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DO_VLDR_SG(vldrb_sg_uh, ldub, 2, uint16_t, uint16_t, ADDR_ADD, false)
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DO_VLDR_SG(vldrb_sg_uw, ldub, 4, uint32_t, uint32_t, ADDR_ADD, false)
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DO_VLDR_SG(vldrh_sg_uh, lduw, 2, uint16_t, uint16_t, ADDR_ADD, false)
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DO_VLDR_SG(vldrh_sg_uw, lduw, 4, uint32_t, uint32_t, ADDR_ADD, false)
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DO_VLDR_SG(vldrw_sg_uw, ldl, 4, uint32_t, uint32_t, ADDR_ADD, false)
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DO_VLDR64_SG(vldrd_sg_ud, ADDR_ADD, false)
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DO_VLDR_SG(vldrh_sg_os_sw, ldsw, 4, int32_t, uint32_t, ADDR_ADD_OSH, false)
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DO_VLDR_SG(vldrh_sg_os_uh, lduw, 2, uint16_t, uint16_t, ADDR_ADD_OSH, false)
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DO_VLDR_SG(vldrh_sg_os_uw, lduw, 4, uint32_t, uint32_t, ADDR_ADD_OSH, false)
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DO_VLDR_SG(vldrw_sg_os_uw, ldl, 4, uint32_t, uint32_t, ADDR_ADD_OSW, false)
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DO_VLDR64_SG(vldrd_sg_os_ud, ADDR_ADD_OSD, false)
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DO_VSTR_SG(vstrb_sg_ub, stb, 1, uint8_t, ADDR_ADD, false)
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DO_VSTR_SG(vstrb_sg_uh, stb, 2, uint16_t, ADDR_ADD, false)
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DO_VSTR_SG(vstrb_sg_uw, stb, 4, uint32_t, ADDR_ADD, false)
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DO_VSTR_SG(vstrh_sg_uh, stw, 2, uint16_t, ADDR_ADD, false)
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DO_VSTR_SG(vstrh_sg_uw, stw, 4, uint32_t, ADDR_ADD, false)
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DO_VSTR_SG(vstrw_sg_uw, stl, 4, uint32_t, ADDR_ADD, false)
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DO_VSTR64_SG(vstrd_sg_ud, ADDR_ADD, false)
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DO_VSTR_SG(vstrh_sg_os_uh, stw, 2, uint16_t, ADDR_ADD_OSH, false)
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DO_VSTR_SG(vstrh_sg_os_uw, stw, 4, uint32_t, ADDR_ADD_OSH, false)
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DO_VSTR_SG(vstrw_sg_os_uw, stl, 4, uint32_t, ADDR_ADD_OSW, false)
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DO_VSTR64_SG(vstrd_sg_os_ud, ADDR_ADD_OSD, false)
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DO_VLDR_SG(vldrw_sg_wb_uw, ldl, 4, uint32_t, uint32_t, ADDR_ADD, true)
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DO_VLDR64_SG(vldrd_sg_wb_ud, ADDR_ADD, true)
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DO_VSTR_SG(vstrw_sg_wb_uw, stl, 4, uint32_t, ADDR_ADD, true)
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DO_VSTR64_SG(vstrd_sg_wb_ud, ADDR_ADD, true)
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/*
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* Deinterleaving loads/interleaving stores.
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*
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* For these helpers we are passed the index of the first Qreg
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* (VLD2/VST2 will also access Qn+1, VLD4/VST4 access Qn .. Qn+3)
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* and the value of the base address register Rn.
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* The helpers are specialized for pattern and element size, so
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* for instance vld42h is VLD4 with pattern 2, element size MO_16.
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*
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* These insns are beatwise but not predicated, so we must honour ECI,
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* but need not look at mve_element_mask().
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*
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* The pseudocode implements these insns with multiple memory accesses
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* of the element size, but rules R_VVVG and R_FXDM permit us to make
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* one 32-bit memory access per beat.
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*/
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#define DO_VLD4B(OP, O1, O2, O3, O4) \
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void HELPER(mve_##OP)(CPUARMState *env, uint32_t qnidx, \
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uint32_t base) \
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{ \
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int beat, e; \
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uint16_t mask = mve_eci_mask(env); \
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static const uint8_t off[4] = { O1, O2, O3, O4 }; \
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uint32_t addr, data; \
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for (beat = 0; beat < 4; beat++, mask >>= 4) { \
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if ((mask & 1) == 0) { \
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/* ECI says skip this beat */ \
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continue; \
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} \
|
|
addr = base + off[beat] * 4; \
|
|
data = cpu_ldl_le_data_ra(env, addr, GETPC()); \
|
|
for (e = 0; e < 4; e++, data >>= 8) { \
|
|
uint8_t *qd = (uint8_t *)aa32_vfp_qreg(env, qnidx + e); \
|
|
qd[H1(off[beat])] = data; \
|
|
} \
|
|
} \
|
|
}
|
|
|
|
#define DO_VLD4H(OP, O1, O2) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, uint32_t qnidx, \
|
|
uint32_t base) \
|
|
{ \
|
|
int beat; \
|
|
uint16_t mask = mve_eci_mask(env); \
|
|
static const uint8_t off[4] = { O1, O1, O2, O2 }; \
|
|
uint32_t addr, data; \
|
|
int y; /* y counts 0 2 0 2 */ \
|
|
uint16_t *qd; \
|
|
for (beat = 0, y = 0; beat < 4; beat++, mask >>= 4, y ^= 2) { \
|
|
if ((mask & 1) == 0) { \
|
|
/* ECI says skip this beat */ \
|
|
continue; \
|
|
} \
|
|
addr = base + off[beat] * 8 + (beat & 1) * 4; \
|
|
data = cpu_ldl_le_data_ra(env, addr, GETPC()); \
|
|
qd = (uint16_t *)aa32_vfp_qreg(env, qnidx + y); \
|
|
qd[H2(off[beat])] = data; \
|
|
data >>= 16; \
|
|
qd = (uint16_t *)aa32_vfp_qreg(env, qnidx + y + 1); \
|
|
qd[H2(off[beat])] = data; \
|
|
} \
|
|
}
|
|
|
|
#define DO_VLD4W(OP, O1, O2, O3, O4) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, uint32_t qnidx, \
|
|
uint32_t base) \
|
|
{ \
|
|
int beat; \
|
|
uint16_t mask = mve_eci_mask(env); \
|
|
static const uint8_t off[4] = { O1, O2, O3, O4 }; \
|
|
uint32_t addr, data; \
|
|
uint32_t *qd; \
|
|
int y; \
|
|
for (beat = 0; beat < 4; beat++, mask >>= 4) { \
|
|
if ((mask & 1) == 0) { \
|
|
/* ECI says skip this beat */ \
|
|
continue; \
|
|
} \
|
|
addr = base + off[beat] * 4; \
|
|
data = cpu_ldl_le_data_ra(env, addr, GETPC()); \
|
|
y = (beat + (O1 & 2)) & 3; \
|
|
qd = (uint32_t *)aa32_vfp_qreg(env, qnidx + y); \
|
|
qd[H4(off[beat] >> 2)] = data; \
|
|
} \
|
|
}
|
|
|
|
DO_VLD4B(vld40b, 0, 1, 10, 11)
|
|
DO_VLD4B(vld41b, 2, 3, 12, 13)
|
|
DO_VLD4B(vld42b, 4, 5, 14, 15)
|
|
DO_VLD4B(vld43b, 6, 7, 8, 9)
|
|
|
|
DO_VLD4H(vld40h, 0, 5)
|
|
DO_VLD4H(vld41h, 1, 6)
|
|
DO_VLD4H(vld42h, 2, 7)
|
|
DO_VLD4H(vld43h, 3, 4)
|
|
|
|
DO_VLD4W(vld40w, 0, 1, 10, 11)
|
|
DO_VLD4W(vld41w, 2, 3, 12, 13)
|
|
DO_VLD4W(vld42w, 4, 5, 14, 15)
|
|
DO_VLD4W(vld43w, 6, 7, 8, 9)
|
|
|
|
#define DO_VLD2B(OP, O1, O2, O3, O4) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, uint32_t qnidx, \
|
|
uint32_t base) \
|
|
{ \
|
|
int beat, e; \
|
|
uint16_t mask = mve_eci_mask(env); \
|
|
static const uint8_t off[4] = { O1, O2, O3, O4 }; \
|
|
uint32_t addr, data; \
|
|
uint8_t *qd; \
|
|
for (beat = 0; beat < 4; beat++, mask >>= 4) { \
|
|
if ((mask & 1) == 0) { \
|
|
/* ECI says skip this beat */ \
|
|
continue; \
|
|
} \
|
|
addr = base + off[beat] * 2; \
|
|
data = cpu_ldl_le_data_ra(env, addr, GETPC()); \
|
|
for (e = 0; e < 4; e++, data >>= 8) { \
|
|
qd = (uint8_t *)aa32_vfp_qreg(env, qnidx + (e & 1)); \
|
|
qd[H1(off[beat] + (e >> 1))] = data; \
|
|
} \
|
|
} \
|
|
}
|
|
|
|
#define DO_VLD2H(OP, O1, O2, O3, O4) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, uint32_t qnidx, \
|
|
uint32_t base) \
|
|
{ \
|
|
int beat; \
|
|
uint16_t mask = mve_eci_mask(env); \
|
|
static const uint8_t off[4] = { O1, O2, O3, O4 }; \
|
|
uint32_t addr, data; \
|
|
int e; \
|
|
uint16_t *qd; \
|
|
for (beat = 0; beat < 4; beat++, mask >>= 4) { \
|
|
if ((mask & 1) == 0) { \
|
|
/* ECI says skip this beat */ \
|
|
continue; \
|
|
} \
|
|
addr = base + off[beat] * 4; \
|
|
data = cpu_ldl_le_data_ra(env, addr, GETPC()); \
|
|
for (e = 0; e < 2; e++, data >>= 16) { \
|
|
qd = (uint16_t *)aa32_vfp_qreg(env, qnidx + e); \
|
|
qd[H2(off[beat])] = data; \
|
|
} \
|
|
} \
|
|
}
|
|
|
|
#define DO_VLD2W(OP, O1, O2, O3, O4) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, uint32_t qnidx, \
|
|
uint32_t base) \
|
|
{ \
|
|
int beat; \
|
|
uint16_t mask = mve_eci_mask(env); \
|
|
static const uint8_t off[4] = { O1, O2, O3, O4 }; \
|
|
uint32_t addr, data; \
|
|
uint32_t *qd; \
|
|
for (beat = 0; beat < 4; beat++, mask >>= 4) { \
|
|
if ((mask & 1) == 0) { \
|
|
/* ECI says skip this beat */ \
|
|
continue; \
|
|
} \
|
|
addr = base + off[beat]; \
|
|
data = cpu_ldl_le_data_ra(env, addr, GETPC()); \
|
|
qd = (uint32_t *)aa32_vfp_qreg(env, qnidx + (beat & 1)); \
|
|
qd[H4(off[beat] >> 3)] = data; \
|
|
} \
|
|
}
|
|
|
|
DO_VLD2B(vld20b, 0, 2, 12, 14)
|
|
DO_VLD2B(vld21b, 4, 6, 8, 10)
|
|
|
|
DO_VLD2H(vld20h, 0, 1, 6, 7)
|
|
DO_VLD2H(vld21h, 2, 3, 4, 5)
|
|
|
|
DO_VLD2W(vld20w, 0, 4, 24, 28)
|
|
DO_VLD2W(vld21w, 8, 12, 16, 20)
|
|
|
|
#define DO_VST4B(OP, O1, O2, O3, O4) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, uint32_t qnidx, \
|
|
uint32_t base) \
|
|
{ \
|
|
int beat, e; \
|
|
uint16_t mask = mve_eci_mask(env); \
|
|
static const uint8_t off[4] = { O1, O2, O3, O4 }; \
|
|
uint32_t addr, data; \
|
|
for (beat = 0; beat < 4; beat++, mask >>= 4) { \
|
|
if ((mask & 1) == 0) { \
|
|
/* ECI says skip this beat */ \
|
|
continue; \
|
|
} \
|
|
addr = base + off[beat] * 4; \
|
|
data = 0; \
|
|
for (e = 3; e >= 0; e--) { \
|
|
uint8_t *qd = (uint8_t *)aa32_vfp_qreg(env, qnidx + e); \
|
|
data = (data << 8) | qd[H1(off[beat])]; \
|
|
} \
|
|
cpu_stl_le_data_ra(env, addr, data, GETPC()); \
|
|
} \
|
|
}
|
|
|
|
#define DO_VST4H(OP, O1, O2) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, uint32_t qnidx, \
|
|
uint32_t base) \
|
|
{ \
|
|
int beat; \
|
|
uint16_t mask = mve_eci_mask(env); \
|
|
static const uint8_t off[4] = { O1, O1, O2, O2 }; \
|
|
uint32_t addr, data; \
|
|
int y; /* y counts 0 2 0 2 */ \
|
|
uint16_t *qd; \
|
|
for (beat = 0, y = 0; beat < 4; beat++, mask >>= 4, y ^= 2) { \
|
|
if ((mask & 1) == 0) { \
|
|
/* ECI says skip this beat */ \
|
|
continue; \
|
|
} \
|
|
addr = base + off[beat] * 8 + (beat & 1) * 4; \
|
|
qd = (uint16_t *)aa32_vfp_qreg(env, qnidx + y); \
|
|
data = qd[H2(off[beat])]; \
|
|
qd = (uint16_t *)aa32_vfp_qreg(env, qnidx + y + 1); \
|
|
data |= qd[H2(off[beat])] << 16; \
|
|
cpu_stl_le_data_ra(env, addr, data, GETPC()); \
|
|
} \
|
|
}
|
|
|
|
#define DO_VST4W(OP, O1, O2, O3, O4) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, uint32_t qnidx, \
|
|
uint32_t base) \
|
|
{ \
|
|
int beat; \
|
|
uint16_t mask = mve_eci_mask(env); \
|
|
static const uint8_t off[4] = { O1, O2, O3, O4 }; \
|
|
uint32_t addr, data; \
|
|
uint32_t *qd; \
|
|
int y; \
|
|
for (beat = 0; beat < 4; beat++, mask >>= 4) { \
|
|
if ((mask & 1) == 0) { \
|
|
/* ECI says skip this beat */ \
|
|
continue; \
|
|
} \
|
|
addr = base + off[beat] * 4; \
|
|
y = (beat + (O1 & 2)) & 3; \
|
|
qd = (uint32_t *)aa32_vfp_qreg(env, qnidx + y); \
|
|
data = qd[H4(off[beat] >> 2)]; \
|
|
cpu_stl_le_data_ra(env, addr, data, GETPC()); \
|
|
} \
|
|
}
|
|
|
|
DO_VST4B(vst40b, 0, 1, 10, 11)
|
|
DO_VST4B(vst41b, 2, 3, 12, 13)
|
|
DO_VST4B(vst42b, 4, 5, 14, 15)
|
|
DO_VST4B(vst43b, 6, 7, 8, 9)
|
|
|
|
DO_VST4H(vst40h, 0, 5)
|
|
DO_VST4H(vst41h, 1, 6)
|
|
DO_VST4H(vst42h, 2, 7)
|
|
DO_VST4H(vst43h, 3, 4)
|
|
|
|
DO_VST4W(vst40w, 0, 1, 10, 11)
|
|
DO_VST4W(vst41w, 2, 3, 12, 13)
|
|
DO_VST4W(vst42w, 4, 5, 14, 15)
|
|
DO_VST4W(vst43w, 6, 7, 8, 9)
|
|
|
|
#define DO_VST2B(OP, O1, O2, O3, O4) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, uint32_t qnidx, \
|
|
uint32_t base) \
|
|
{ \
|
|
int beat, e; \
|
|
uint16_t mask = mve_eci_mask(env); \
|
|
static const uint8_t off[4] = { O1, O2, O3, O4 }; \
|
|
uint32_t addr, data; \
|
|
uint8_t *qd; \
|
|
for (beat = 0; beat < 4; beat++, mask >>= 4) { \
|
|
if ((mask & 1) == 0) { \
|
|
/* ECI says skip this beat */ \
|
|
continue; \
|
|
} \
|
|
addr = base + off[beat] * 2; \
|
|
data = 0; \
|
|
for (e = 3; e >= 0; e--) { \
|
|
qd = (uint8_t *)aa32_vfp_qreg(env, qnidx + (e & 1)); \
|
|
data = (data << 8) | qd[H1(off[beat] + (e >> 1))]; \
|
|
} \
|
|
cpu_stl_le_data_ra(env, addr, data, GETPC()); \
|
|
} \
|
|
}
|
|
|
|
#define DO_VST2H(OP, O1, O2, O3, O4) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, uint32_t qnidx, \
|
|
uint32_t base) \
|
|
{ \
|
|
int beat; \
|
|
uint16_t mask = mve_eci_mask(env); \
|
|
static const uint8_t off[4] = { O1, O2, O3, O4 }; \
|
|
uint32_t addr, data; \
|
|
int e; \
|
|
uint16_t *qd; \
|
|
for (beat = 0; beat < 4; beat++, mask >>= 4) { \
|
|
if ((mask & 1) == 0) { \
|
|
/* ECI says skip this beat */ \
|
|
continue; \
|
|
} \
|
|
addr = base + off[beat] * 4; \
|
|
data = 0; \
|
|
for (e = 1; e >= 0; e--) { \
|
|
qd = (uint16_t *)aa32_vfp_qreg(env, qnidx + e); \
|
|
data = (data << 16) | qd[H2(off[beat])]; \
|
|
} \
|
|
cpu_stl_le_data_ra(env, addr, data, GETPC()); \
|
|
} \
|
|
}
|
|
|
|
#define DO_VST2W(OP, O1, O2, O3, O4) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, uint32_t qnidx, \
|
|
uint32_t base) \
|
|
{ \
|
|
int beat; \
|
|
uint16_t mask = mve_eci_mask(env); \
|
|
static const uint8_t off[4] = { O1, O2, O3, O4 }; \
|
|
uint32_t addr, data; \
|
|
uint32_t *qd; \
|
|
for (beat = 0; beat < 4; beat++, mask >>= 4) { \
|
|
if ((mask & 1) == 0) { \
|
|
/* ECI says skip this beat */ \
|
|
continue; \
|
|
} \
|
|
addr = base + off[beat]; \
|
|
qd = (uint32_t *)aa32_vfp_qreg(env, qnidx + (beat & 1)); \
|
|
data = qd[H4(off[beat] >> 3)]; \
|
|
cpu_stl_le_data_ra(env, addr, data, GETPC()); \
|
|
} \
|
|
}
|
|
|
|
DO_VST2B(vst20b, 0, 2, 12, 14)
|
|
DO_VST2B(vst21b, 4, 6, 8, 10)
|
|
|
|
DO_VST2H(vst20h, 0, 1, 6, 7)
|
|
DO_VST2H(vst21h, 2, 3, 4, 5)
|
|
|
|
DO_VST2W(vst20w, 0, 4, 24, 28)
|
|
DO_VST2W(vst21w, 8, 12, 16, 20)
|
|
|
|
/*
|
|
* The mergemask(D, R, M) macro performs the operation "*D = R" but
|
|
* storing only the bytes which correspond to 1 bits in M,
|
|
* leaving other bytes in *D unchanged. We use _Generic
|
|
* to select the correct implementation based on the type of D.
|
|
*/
|
|
|
|
static void mergemask_ub(uint8_t *d, uint8_t r, uint16_t mask)
|
|
{
|
|
if (mask & 1) {
|
|
*d = r;
|
|
}
|
|
}
|
|
|
|
static void mergemask_sb(int8_t *d, int8_t r, uint16_t mask)
|
|
{
|
|
mergemask_ub((uint8_t *)d, r, mask);
|
|
}
|
|
|
|
static void mergemask_uh(uint16_t *d, uint16_t r, uint16_t mask)
|
|
{
|
|
uint16_t bmask = expand_pred_b_data[mask & 3];
|
|
*d = (*d & ~bmask) | (r & bmask);
|
|
}
|
|
|
|
static void mergemask_sh(int16_t *d, int16_t r, uint16_t mask)
|
|
{
|
|
mergemask_uh((uint16_t *)d, r, mask);
|
|
}
|
|
|
|
static void mergemask_uw(uint32_t *d, uint32_t r, uint16_t mask)
|
|
{
|
|
uint32_t bmask = expand_pred_b_data[mask & 0xf];
|
|
*d = (*d & ~bmask) | (r & bmask);
|
|
}
|
|
|
|
static void mergemask_sw(int32_t *d, int32_t r, uint16_t mask)
|
|
{
|
|
mergemask_uw((uint32_t *)d, r, mask);
|
|
}
|
|
|
|
static void mergemask_uq(uint64_t *d, uint64_t r, uint16_t mask)
|
|
{
|
|
uint64_t bmask = expand_pred_b_data[mask & 0xff];
|
|
*d = (*d & ~bmask) | (r & bmask);
|
|
}
|
|
|
|
static void mergemask_sq(int64_t *d, int64_t r, uint16_t mask)
|
|
{
|
|
mergemask_uq((uint64_t *)d, r, mask);
|
|
}
|
|
|
|
#define mergemask(D, R, M) \
|
|
_Generic(D, \
|
|
uint8_t *: mergemask_ub, \
|
|
int8_t *: mergemask_sb, \
|
|
uint16_t *: mergemask_uh, \
|
|
int16_t *: mergemask_sh, \
|
|
uint32_t *: mergemask_uw, \
|
|
int32_t *: mergemask_sw, \
|
|
uint64_t *: mergemask_uq, \
|
|
int64_t *: mergemask_sq)(D, R, M)
|
|
|
|
void HELPER(mve_vdup)(CPUARMState *env, void *vd, uint32_t val)
|
|
{
|
|
/*
|
|
* The generated code already replicated an 8 or 16 bit constant
|
|
* into the 32-bit value, so we only need to write the 32-bit
|
|
* value to all elements of the Qreg, allowing for predication.
|
|
*/
|
|
uint32_t *d = vd;
|
|
uint16_t mask = mve_element_mask(env);
|
|
unsigned e;
|
|
for (e = 0; e < 16 / 4; e++, mask >>= 4) {
|
|
mergemask(&d[H4(e)], val, mask);
|
|
}
|
|
mve_advance_vpt(env);
|
|
}
|
|
|
|
#define DO_1OP(OP, ESIZE, TYPE, FN) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, void *vd, void *vm) \
|
|
{ \
|
|
TYPE *d = vd, *m = vm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
mergemask(&d[H##ESIZE(e)], FN(m[H##ESIZE(e)]), mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_CLS_B(N) (clrsb32(N) - 24)
|
|
#define DO_CLS_H(N) (clrsb32(N) - 16)
|
|
|
|
DO_1OP(vclsb, 1, int8_t, DO_CLS_B)
|
|
DO_1OP(vclsh, 2, int16_t, DO_CLS_H)
|
|
DO_1OP(vclsw, 4, int32_t, clrsb32)
|
|
|
|
#define DO_CLZ_B(N) (clz32(N) - 24)
|
|
#define DO_CLZ_H(N) (clz32(N) - 16)
|
|
|
|
DO_1OP(vclzb, 1, uint8_t, DO_CLZ_B)
|
|
DO_1OP(vclzh, 2, uint16_t, DO_CLZ_H)
|
|
DO_1OP(vclzw, 4, uint32_t, clz32)
|
|
|
|
DO_1OP(vrev16b, 2, uint16_t, bswap16)
|
|
DO_1OP(vrev32b, 4, uint32_t, bswap32)
|
|
DO_1OP(vrev32h, 4, uint32_t, hswap32)
|
|
DO_1OP(vrev64b, 8, uint64_t, bswap64)
|
|
DO_1OP(vrev64h, 8, uint64_t, hswap64)
|
|
DO_1OP(vrev64w, 8, uint64_t, wswap64)
|
|
|
|
#define DO_NOT(N) (~(N))
|
|
|
|
DO_1OP(vmvn, 8, uint64_t, DO_NOT)
|
|
|
|
#define DO_ABS(N) ((N) < 0 ? -(N) : (N))
|
|
#define DO_FABSH(N) ((N) & dup_const(MO_16, 0x7fff))
|
|
#define DO_FABSS(N) ((N) & dup_const(MO_32, 0x7fffffff))
|
|
|
|
DO_1OP(vabsb, 1, int8_t, DO_ABS)
|
|
DO_1OP(vabsh, 2, int16_t, DO_ABS)
|
|
DO_1OP(vabsw, 4, int32_t, DO_ABS)
|
|
|
|
/* We can do these 64 bits at a time */
|
|
DO_1OP(vfabsh, 8, uint64_t, DO_FABSH)
|
|
DO_1OP(vfabss, 8, uint64_t, DO_FABSS)
|
|
|
|
#define DO_NEG(N) (-(N))
|
|
#define DO_FNEGH(N) ((N) ^ dup_const(MO_16, 0x8000))
|
|
#define DO_FNEGS(N) ((N) ^ dup_const(MO_32, 0x80000000))
|
|
|
|
DO_1OP(vnegb, 1, int8_t, DO_NEG)
|
|
DO_1OP(vnegh, 2, int16_t, DO_NEG)
|
|
DO_1OP(vnegw, 4, int32_t, DO_NEG)
|
|
|
|
/* We can do these 64 bits at a time */
|
|
DO_1OP(vfnegh, 8, uint64_t, DO_FNEGH)
|
|
DO_1OP(vfnegs, 8, uint64_t, DO_FNEGS)
|
|
|
|
/*
|
|
* 1 operand immediates: Vda is destination and possibly also one source.
|
|
* All these insns work at 64-bit widths.
|
|
*/
|
|
#define DO_1OP_IMM(OP, FN) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, void *vda, uint64_t imm) \
|
|
{ \
|
|
uint64_t *da = vda; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
for (e = 0; e < 16 / 8; e++, mask >>= 8) { \
|
|
mergemask(&da[H8(e)], FN(da[H8(e)], imm), mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_MOVI(N, I) (I)
|
|
#define DO_ANDI(N, I) ((N) & (I))
|
|
#define DO_ORRI(N, I) ((N) | (I))
|
|
|
|
DO_1OP_IMM(vmovi, DO_MOVI)
|
|
DO_1OP_IMM(vandi, DO_ANDI)
|
|
DO_1OP_IMM(vorri, DO_ORRI)
|
|
|
|
#define DO_2OP(OP, ESIZE, TYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, \
|
|
void *vd, void *vn, void *vm) \
|
|
{ \
|
|
TYPE *d = vd, *n = vn, *m = vm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
mergemask(&d[H##ESIZE(e)], \
|
|
FN(n[H##ESIZE(e)], m[H##ESIZE(e)]), mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
/* provide unsigned 2-op helpers for all sizes */
|
|
#define DO_2OP_U(OP, FN) \
|
|
DO_2OP(OP##b, 1, uint8_t, FN) \
|
|
DO_2OP(OP##h, 2, uint16_t, FN) \
|
|
DO_2OP(OP##w, 4, uint32_t, FN)
|
|
|
|
/* provide signed 2-op helpers for all sizes */
|
|
#define DO_2OP_S(OP, FN) \
|
|
DO_2OP(OP##b, 1, int8_t, FN) \
|
|
DO_2OP(OP##h, 2, int16_t, FN) \
|
|
DO_2OP(OP##w, 4, int32_t, FN)
|
|
|
|
/*
|
|
* "Long" operations where two half-sized inputs (taken from either the
|
|
* top or the bottom of the input vector) produce a double-width result.
|
|
* Here ESIZE, TYPE are for the input, and LESIZE, LTYPE for the output.
|
|
*/
|
|
#define DO_2OP_L(OP, TOP, ESIZE, TYPE, LESIZE, LTYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, void *vn, void *vm) \
|
|
{ \
|
|
LTYPE *d = vd; \
|
|
TYPE *n = vn, *m = vm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned le; \
|
|
for (le = 0; le < 16 / LESIZE; le++, mask >>= LESIZE) { \
|
|
LTYPE r = FN((LTYPE)n[H##ESIZE(le * 2 + TOP)], \
|
|
m[H##ESIZE(le * 2 + TOP)]); \
|
|
mergemask(&d[H##LESIZE(le)], r, mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_2OP_SAT(OP, ESIZE, TYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, void *vn, void *vm) \
|
|
{ \
|
|
TYPE *d = vd, *n = vn, *m = vm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
bool qc = false; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
bool sat = false; \
|
|
TYPE r = FN(n[H##ESIZE(e)], m[H##ESIZE(e)], &sat); \
|
|
mergemask(&d[H##ESIZE(e)], r, mask); \
|
|
qc |= sat & mask & 1; \
|
|
} \
|
|
if (qc) { \
|
|
env->vfp.qc[0] = qc; \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
/* provide unsigned 2-op helpers for all sizes */
|
|
#define DO_2OP_SAT_U(OP, FN) \
|
|
DO_2OP_SAT(OP##b, 1, uint8_t, FN) \
|
|
DO_2OP_SAT(OP##h, 2, uint16_t, FN) \
|
|
DO_2OP_SAT(OP##w, 4, uint32_t, FN)
|
|
|
|
/* provide signed 2-op helpers for all sizes */
|
|
#define DO_2OP_SAT_S(OP, FN) \
|
|
DO_2OP_SAT(OP##b, 1, int8_t, FN) \
|
|
DO_2OP_SAT(OP##h, 2, int16_t, FN) \
|
|
DO_2OP_SAT(OP##w, 4, int32_t, FN)
|
|
|
|
#define DO_AND(N, M) ((N) & (M))
|
|
#define DO_BIC(N, M) ((N) & ~(M))
|
|
#define DO_ORR(N, M) ((N) | (M))
|
|
#define DO_ORN(N, M) ((N) | ~(M))
|
|
#define DO_EOR(N, M) ((N) ^ (M))
|
|
|
|
DO_2OP(vand, 8, uint64_t, DO_AND)
|
|
DO_2OP(vbic, 8, uint64_t, DO_BIC)
|
|
DO_2OP(vorr, 8, uint64_t, DO_ORR)
|
|
DO_2OP(vorn, 8, uint64_t, DO_ORN)
|
|
DO_2OP(veor, 8, uint64_t, DO_EOR)
|
|
|
|
#define DO_ADD(N, M) ((N) + (M))
|
|
#define DO_SUB(N, M) ((N) - (M))
|
|
#define DO_MUL(N, M) ((N) * (M))
|
|
|
|
DO_2OP_U(vadd, DO_ADD)
|
|
DO_2OP_U(vsub, DO_SUB)
|
|
DO_2OP_U(vmul, DO_MUL)
|
|
|
|
DO_2OP_L(vmullbsb, 0, 1, int8_t, 2, int16_t, DO_MUL)
|
|
DO_2OP_L(vmullbsh, 0, 2, int16_t, 4, int32_t, DO_MUL)
|
|
DO_2OP_L(vmullbsw, 0, 4, int32_t, 8, int64_t, DO_MUL)
|
|
DO_2OP_L(vmullbub, 0, 1, uint8_t, 2, uint16_t, DO_MUL)
|
|
DO_2OP_L(vmullbuh, 0, 2, uint16_t, 4, uint32_t, DO_MUL)
|
|
DO_2OP_L(vmullbuw, 0, 4, uint32_t, 8, uint64_t, DO_MUL)
|
|
|
|
DO_2OP_L(vmulltsb, 1, 1, int8_t, 2, int16_t, DO_MUL)
|
|
DO_2OP_L(vmulltsh, 1, 2, int16_t, 4, int32_t, DO_MUL)
|
|
DO_2OP_L(vmulltsw, 1, 4, int32_t, 8, int64_t, DO_MUL)
|
|
DO_2OP_L(vmulltub, 1, 1, uint8_t, 2, uint16_t, DO_MUL)
|
|
DO_2OP_L(vmulltuh, 1, 2, uint16_t, 4, uint32_t, DO_MUL)
|
|
DO_2OP_L(vmulltuw, 1, 4, uint32_t, 8, uint64_t, DO_MUL)
|
|
|
|
/*
|
|
* Polynomial multiply. We can always do this generating 64 bits
|
|
* of the result at a time, so we don't need to use DO_2OP_L.
|
|
*/
|
|
#define VMULLPH_MASK 0x00ff00ff00ff00ffULL
|
|
#define VMULLPW_MASK 0x0000ffff0000ffffULL
|
|
#define DO_VMULLPBH(N, M) pmull_h((N) & VMULLPH_MASK, (M) & VMULLPH_MASK)
|
|
#define DO_VMULLPTH(N, M) DO_VMULLPBH((N) >> 8, (M) >> 8)
|
|
#define DO_VMULLPBW(N, M) pmull_w((N) & VMULLPW_MASK, (M) & VMULLPW_MASK)
|
|
#define DO_VMULLPTW(N, M) DO_VMULLPBW((N) >> 16, (M) >> 16)
|
|
|
|
DO_2OP(vmullpbh, 8, uint64_t, DO_VMULLPBH)
|
|
DO_2OP(vmullpth, 8, uint64_t, DO_VMULLPTH)
|
|
DO_2OP(vmullpbw, 8, uint64_t, DO_VMULLPBW)
|
|
DO_2OP(vmullptw, 8, uint64_t, DO_VMULLPTW)
|
|
|
|
/*
|
|
* Because the computation type is at least twice as large as required,
|
|
* these work for both signed and unsigned source types.
|
|
*/
|
|
static inline uint8_t do_mulh_b(int32_t n, int32_t m)
|
|
{
|
|
return (n * m) >> 8;
|
|
}
|
|
|
|
static inline uint16_t do_mulh_h(int32_t n, int32_t m)
|
|
{
|
|
return (n * m) >> 16;
|
|
}
|
|
|
|
static inline uint32_t do_mulh_w(int64_t n, int64_t m)
|
|
{
|
|
return (n * m) >> 32;
|
|
}
|
|
|
|
static inline uint8_t do_rmulh_b(int32_t n, int32_t m)
|
|
{
|
|
return (n * m + (1U << 7)) >> 8;
|
|
}
|
|
|
|
static inline uint16_t do_rmulh_h(int32_t n, int32_t m)
|
|
{
|
|
return (n * m + (1U << 15)) >> 16;
|
|
}
|
|
|
|
static inline uint32_t do_rmulh_w(int64_t n, int64_t m)
|
|
{
|
|
return (n * m + (1U << 31)) >> 32;
|
|
}
|
|
|
|
DO_2OP(vmulhsb, 1, int8_t, do_mulh_b)
|
|
DO_2OP(vmulhsh, 2, int16_t, do_mulh_h)
|
|
DO_2OP(vmulhsw, 4, int32_t, do_mulh_w)
|
|
DO_2OP(vmulhub, 1, uint8_t, do_mulh_b)
|
|
DO_2OP(vmulhuh, 2, uint16_t, do_mulh_h)
|
|
DO_2OP(vmulhuw, 4, uint32_t, do_mulh_w)
|
|
|
|
DO_2OP(vrmulhsb, 1, int8_t, do_rmulh_b)
|
|
DO_2OP(vrmulhsh, 2, int16_t, do_rmulh_h)
|
|
DO_2OP(vrmulhsw, 4, int32_t, do_rmulh_w)
|
|
DO_2OP(vrmulhub, 1, uint8_t, do_rmulh_b)
|
|
DO_2OP(vrmulhuh, 2, uint16_t, do_rmulh_h)
|
|
DO_2OP(vrmulhuw, 4, uint32_t, do_rmulh_w)
|
|
|
|
#define DO_MAX(N, M) ((N) >= (M) ? (N) : (M))
|
|
#define DO_MIN(N, M) ((N) >= (M) ? (M) : (N))
|
|
|
|
DO_2OP_S(vmaxs, DO_MAX)
|
|
DO_2OP_U(vmaxu, DO_MAX)
|
|
DO_2OP_S(vmins, DO_MIN)
|
|
DO_2OP_U(vminu, DO_MIN)
|
|
|
|
#define DO_ABD(N, M) ((N) >= (M) ? (N) - (M) : (M) - (N))
|
|
|
|
DO_2OP_S(vabds, DO_ABD)
|
|
DO_2OP_U(vabdu, DO_ABD)
|
|
|
|
static inline uint32_t do_vhadd_u(uint32_t n, uint32_t m)
|
|
{
|
|
return ((uint64_t)n + m) >> 1;
|
|
}
|
|
|
|
static inline int32_t do_vhadd_s(int32_t n, int32_t m)
|
|
{
|
|
return ((int64_t)n + m) >> 1;
|
|
}
|
|
|
|
static inline uint32_t do_vhsub_u(uint32_t n, uint32_t m)
|
|
{
|
|
return ((uint64_t)n - m) >> 1;
|
|
}
|
|
|
|
static inline int32_t do_vhsub_s(int32_t n, int32_t m)
|
|
{
|
|
return ((int64_t)n - m) >> 1;
|
|
}
|
|
|
|
DO_2OP_S(vhadds, do_vhadd_s)
|
|
DO_2OP_U(vhaddu, do_vhadd_u)
|
|
DO_2OP_S(vhsubs, do_vhsub_s)
|
|
DO_2OP_U(vhsubu, do_vhsub_u)
|
|
|
|
#define DO_VSHLS(N, M) do_sqrshl_bhs(N, (int8_t)(M), sizeof(N) * 8, false, NULL)
|
|
#define DO_VSHLU(N, M) do_uqrshl_bhs(N, (int8_t)(M), sizeof(N) * 8, false, NULL)
|
|
#define DO_VRSHLS(N, M) do_sqrshl_bhs(N, (int8_t)(M), sizeof(N) * 8, true, NULL)
|
|
#define DO_VRSHLU(N, M) do_uqrshl_bhs(N, (int8_t)(M), sizeof(N) * 8, true, NULL)
|
|
|
|
DO_2OP_S(vshls, DO_VSHLS)
|
|
DO_2OP_U(vshlu, DO_VSHLU)
|
|
DO_2OP_S(vrshls, DO_VRSHLS)
|
|
DO_2OP_U(vrshlu, DO_VRSHLU)
|
|
|
|
#define DO_RHADD_S(N, M) (((int64_t)(N) + (M) + 1) >> 1)
|
|
#define DO_RHADD_U(N, M) (((uint64_t)(N) + (M) + 1) >> 1)
|
|
|
|
DO_2OP_S(vrhadds, DO_RHADD_S)
|
|
DO_2OP_U(vrhaddu, DO_RHADD_U)
|
|
|
|
static void do_vadc(CPUARMState *env, uint32_t *d, uint32_t *n, uint32_t *m,
|
|
uint32_t inv, uint32_t carry_in, bool update_flags)
|
|
{
|
|
uint16_t mask = mve_element_mask(env);
|
|
unsigned e;
|
|
|
|
/* If any additions trigger, we will update flags. */
|
|
if (mask & 0x1111) {
|
|
update_flags = true;
|
|
}
|
|
|
|
for (e = 0; e < 16 / 4; e++, mask >>= 4) {
|
|
uint64_t r = carry_in;
|
|
r += n[H4(e)];
|
|
r += m[H4(e)] ^ inv;
|
|
if (mask & 1) {
|
|
carry_in = r >> 32;
|
|
}
|
|
mergemask(&d[H4(e)], r, mask);
|
|
}
|
|
|
|
if (update_flags) {
|
|
/* Store C, clear NZV. */
|
|
env->vfp.xregs[ARM_VFP_FPSCR] &= ~FPCR_NZCV_MASK;
|
|
env->vfp.xregs[ARM_VFP_FPSCR] |= carry_in * FPCR_C;
|
|
}
|
|
mve_advance_vpt(env);
|
|
}
|
|
|
|
void HELPER(mve_vadc)(CPUARMState *env, void *vd, void *vn, void *vm)
|
|
{
|
|
bool carry_in = env->vfp.xregs[ARM_VFP_FPSCR] & FPCR_C;
|
|
do_vadc(env, vd, vn, vm, 0, carry_in, false);
|
|
}
|
|
|
|
void HELPER(mve_vsbc)(CPUARMState *env, void *vd, void *vn, void *vm)
|
|
{
|
|
bool carry_in = env->vfp.xregs[ARM_VFP_FPSCR] & FPCR_C;
|
|
do_vadc(env, vd, vn, vm, -1, carry_in, false);
|
|
}
|
|
|
|
|
|
void HELPER(mve_vadci)(CPUARMState *env, void *vd, void *vn, void *vm)
|
|
{
|
|
do_vadc(env, vd, vn, vm, 0, 0, true);
|
|
}
|
|
|
|
void HELPER(mve_vsbci)(CPUARMState *env, void *vd, void *vn, void *vm)
|
|
{
|
|
do_vadc(env, vd, vn, vm, -1, 1, true);
|
|
}
|
|
|
|
#define DO_VCADD(OP, ESIZE, TYPE, FN0, FN1) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, void *vn, void *vm) \
|
|
{ \
|
|
TYPE *d = vd, *n = vn, *m = vm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
TYPE r[16 / ESIZE]; \
|
|
/* Calculate all results first to avoid overwriting inputs */ \
|
|
for (e = 0; e < 16 / ESIZE; e++) { \
|
|
if (!(e & 1)) { \
|
|
r[e] = FN0(n[H##ESIZE(e)], m[H##ESIZE(e + 1)]); \
|
|
} else { \
|
|
r[e] = FN1(n[H##ESIZE(e)], m[H##ESIZE(e - 1)]); \
|
|
} \
|
|
} \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
mergemask(&d[H##ESIZE(e)], r[e], mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_VCADD_ALL(OP, FN0, FN1) \
|
|
DO_VCADD(OP##b, 1, int8_t, FN0, FN1) \
|
|
DO_VCADD(OP##h, 2, int16_t, FN0, FN1) \
|
|
DO_VCADD(OP##w, 4, int32_t, FN0, FN1)
|
|
|
|
DO_VCADD_ALL(vcadd90, DO_SUB, DO_ADD)
|
|
DO_VCADD_ALL(vcadd270, DO_ADD, DO_SUB)
|
|
DO_VCADD_ALL(vhcadd90, do_vhsub_s, do_vhadd_s)
|
|
DO_VCADD_ALL(vhcadd270, do_vhadd_s, do_vhsub_s)
|
|
|
|
static inline int32_t do_sat_bhw(int64_t val, int64_t min, int64_t max, bool *s)
|
|
{
|
|
if (val > max) {
|
|
*s = true;
|
|
return max;
|
|
} else if (val < min) {
|
|
*s = true;
|
|
return min;
|
|
}
|
|
return val;
|
|
}
|
|
|
|
#define DO_SQADD_B(n, m, s) do_sat_bhw((int64_t)n + m, INT8_MIN, INT8_MAX, s)
|
|
#define DO_SQADD_H(n, m, s) do_sat_bhw((int64_t)n + m, INT16_MIN, INT16_MAX, s)
|
|
#define DO_SQADD_W(n, m, s) do_sat_bhw((int64_t)n + m, INT32_MIN, INT32_MAX, s)
|
|
|
|
#define DO_UQADD_B(n, m, s) do_sat_bhw((int64_t)n + m, 0, UINT8_MAX, s)
|
|
#define DO_UQADD_H(n, m, s) do_sat_bhw((int64_t)n + m, 0, UINT16_MAX, s)
|
|
#define DO_UQADD_W(n, m, s) do_sat_bhw((int64_t)n + m, 0, UINT32_MAX, s)
|
|
|
|
#define DO_SQSUB_B(n, m, s) do_sat_bhw((int64_t)n - m, INT8_MIN, INT8_MAX, s)
|
|
#define DO_SQSUB_H(n, m, s) do_sat_bhw((int64_t)n - m, INT16_MIN, INT16_MAX, s)
|
|
#define DO_SQSUB_W(n, m, s) do_sat_bhw((int64_t)n - m, INT32_MIN, INT32_MAX, s)
|
|
|
|
#define DO_UQSUB_B(n, m, s) do_sat_bhw((int64_t)n - m, 0, UINT8_MAX, s)
|
|
#define DO_UQSUB_H(n, m, s) do_sat_bhw((int64_t)n - m, 0, UINT16_MAX, s)
|
|
#define DO_UQSUB_W(n, m, s) do_sat_bhw((int64_t)n - m, 0, UINT32_MAX, s)
|
|
|
|
/*
|
|
* For QDMULH and QRDMULH we simplify "double and shift by esize" into
|
|
* "shift by esize-1", adjusting the QRDMULH rounding constant to match.
|
|
*/
|
|
#define DO_QDMULH_B(n, m, s) do_sat_bhw(((int64_t)n * m) >> 7, \
|
|
INT8_MIN, INT8_MAX, s)
|
|
#define DO_QDMULH_H(n, m, s) do_sat_bhw(((int64_t)n * m) >> 15, \
|
|
INT16_MIN, INT16_MAX, s)
|
|
#define DO_QDMULH_W(n, m, s) do_sat_bhw(((int64_t)n * m) >> 31, \
|
|
INT32_MIN, INT32_MAX, s)
|
|
|
|
#define DO_QRDMULH_B(n, m, s) do_sat_bhw(((int64_t)n * m + (1 << 6)) >> 7, \
|
|
INT8_MIN, INT8_MAX, s)
|
|
#define DO_QRDMULH_H(n, m, s) do_sat_bhw(((int64_t)n * m + (1 << 14)) >> 15, \
|
|
INT16_MIN, INT16_MAX, s)
|
|
#define DO_QRDMULH_W(n, m, s) do_sat_bhw(((int64_t)n * m + (1 << 30)) >> 31, \
|
|
INT32_MIN, INT32_MAX, s)
|
|
|
|
DO_2OP_SAT(vqdmulhb, 1, int8_t, DO_QDMULH_B)
|
|
DO_2OP_SAT(vqdmulhh, 2, int16_t, DO_QDMULH_H)
|
|
DO_2OP_SAT(vqdmulhw, 4, int32_t, DO_QDMULH_W)
|
|
|
|
DO_2OP_SAT(vqrdmulhb, 1, int8_t, DO_QRDMULH_B)
|
|
DO_2OP_SAT(vqrdmulhh, 2, int16_t, DO_QRDMULH_H)
|
|
DO_2OP_SAT(vqrdmulhw, 4, int32_t, DO_QRDMULH_W)
|
|
|
|
DO_2OP_SAT(vqaddub, 1, uint8_t, DO_UQADD_B)
|
|
DO_2OP_SAT(vqadduh, 2, uint16_t, DO_UQADD_H)
|
|
DO_2OP_SAT(vqadduw, 4, uint32_t, DO_UQADD_W)
|
|
DO_2OP_SAT(vqaddsb, 1, int8_t, DO_SQADD_B)
|
|
DO_2OP_SAT(vqaddsh, 2, int16_t, DO_SQADD_H)
|
|
DO_2OP_SAT(vqaddsw, 4, int32_t, DO_SQADD_W)
|
|
|
|
DO_2OP_SAT(vqsubub, 1, uint8_t, DO_UQSUB_B)
|
|
DO_2OP_SAT(vqsubuh, 2, uint16_t, DO_UQSUB_H)
|
|
DO_2OP_SAT(vqsubuw, 4, uint32_t, DO_UQSUB_W)
|
|
DO_2OP_SAT(vqsubsb, 1, int8_t, DO_SQSUB_B)
|
|
DO_2OP_SAT(vqsubsh, 2, int16_t, DO_SQSUB_H)
|
|
DO_2OP_SAT(vqsubsw, 4, int32_t, DO_SQSUB_W)
|
|
|
|
/*
|
|
* This wrapper fixes up the impedance mismatch between do_sqrshl_bhs()
|
|
* and friends wanting a uint32_t* sat and our needing a bool*.
|
|
*/
|
|
#define WRAP_QRSHL_HELPER(FN, N, M, ROUND, satp) \
|
|
({ \
|
|
uint32_t su32 = 0; \
|
|
typeof(N) r = FN(N, (int8_t)(M), sizeof(N) * 8, ROUND, &su32); \
|
|
if (su32) { \
|
|
*satp = true; \
|
|
} \
|
|
r; \
|
|
})
|
|
|
|
#define DO_SQSHL_OP(N, M, satp) \
|
|
WRAP_QRSHL_HELPER(do_sqrshl_bhs, N, M, false, satp)
|
|
#define DO_UQSHL_OP(N, M, satp) \
|
|
WRAP_QRSHL_HELPER(do_uqrshl_bhs, N, M, false, satp)
|
|
#define DO_SQRSHL_OP(N, M, satp) \
|
|
WRAP_QRSHL_HELPER(do_sqrshl_bhs, N, M, true, satp)
|
|
#define DO_UQRSHL_OP(N, M, satp) \
|
|
WRAP_QRSHL_HELPER(do_uqrshl_bhs, N, M, true, satp)
|
|
#define DO_SUQSHL_OP(N, M, satp) \
|
|
WRAP_QRSHL_HELPER(do_suqrshl_bhs, N, M, false, satp)
|
|
|
|
DO_2OP_SAT_S(vqshls, DO_SQSHL_OP)
|
|
DO_2OP_SAT_U(vqshlu, DO_UQSHL_OP)
|
|
DO_2OP_SAT_S(vqrshls, DO_SQRSHL_OP)
|
|
DO_2OP_SAT_U(vqrshlu, DO_UQRSHL_OP)
|
|
|
|
/*
|
|
* Multiply add dual returning high half
|
|
* The 'FN' here takes four inputs A, B, C, D, a 0/1 indicator of
|
|
* whether to add the rounding constant, and the pointer to the
|
|
* saturation flag, and should do "(A * B + C * D) * 2 + rounding constant",
|
|
* saturate to twice the input size and return the high half; or
|
|
* (A * B - C * D) etc for VQDMLSDH.
|
|
*/
|
|
#define DO_VQDMLADH_OP(OP, ESIZE, TYPE, XCHG, ROUND, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, void *vn, \
|
|
void *vm) \
|
|
{ \
|
|
TYPE *d = vd, *n = vn, *m = vm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
bool qc = false; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
bool sat = false; \
|
|
if ((e & 1) == XCHG) { \
|
|
TYPE r = FN(n[H##ESIZE(e)], \
|
|
m[H##ESIZE(e - XCHG)], \
|
|
n[H##ESIZE(e + (1 - 2 * XCHG))], \
|
|
m[H##ESIZE(e + (1 - XCHG))], \
|
|
ROUND, &sat); \
|
|
mergemask(&d[H##ESIZE(e)], r, mask); \
|
|
qc |= sat & mask & 1; \
|
|
} \
|
|
} \
|
|
if (qc) { \
|
|
env->vfp.qc[0] = qc; \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
static int8_t do_vqdmladh_b(int8_t a, int8_t b, int8_t c, int8_t d,
|
|
int round, bool *sat)
|
|
{
|
|
int64_t r = ((int64_t)a * b + (int64_t)c * d) * 2 + (round << 7);
|
|
return do_sat_bhw(r, INT16_MIN, INT16_MAX, sat) >> 8;
|
|
}
|
|
|
|
static int16_t do_vqdmladh_h(int16_t a, int16_t b, int16_t c, int16_t d,
|
|
int round, bool *sat)
|
|
{
|
|
int64_t r = ((int64_t)a * b + (int64_t)c * d) * 2 + (round << 15);
|
|
return do_sat_bhw(r, INT32_MIN, INT32_MAX, sat) >> 16;
|
|
}
|
|
|
|
static int32_t do_vqdmladh_w(int32_t a, int32_t b, int32_t c, int32_t d,
|
|
int round, bool *sat)
|
|
{
|
|
int64_t m1 = (int64_t)a * b;
|
|
int64_t m2 = (int64_t)c * d;
|
|
int64_t r;
|
|
/*
|
|
* Architecturally we should do the entire add, double, round
|
|
* and then check for saturation. We do three saturating adds,
|
|
* but we need to be careful about the order. If the first
|
|
* m1 + m2 saturates then it's impossible for the *2+rc to
|
|
* bring it back into the non-saturated range. However, if
|
|
* m1 + m2 is negative then it's possible that doing the doubling
|
|
* would take the intermediate result below INT64_MAX and the
|
|
* addition of the rounding constant then brings it back in range.
|
|
* So we add half the rounding constant before doubling rather
|
|
* than adding the rounding constant after the doubling.
|
|
*/
|
|
if (sadd64_overflow(m1, m2, &r) ||
|
|
sadd64_overflow(r, (round << 30), &r) ||
|
|
sadd64_overflow(r, r, &r)) {
|
|
*sat = true;
|
|
return r < 0 ? INT32_MAX : INT32_MIN;
|
|
}
|
|
return r >> 32;
|
|
}
|
|
|
|
static int8_t do_vqdmlsdh_b(int8_t a, int8_t b, int8_t c, int8_t d,
|
|
int round, bool *sat)
|
|
{
|
|
int64_t r = ((int64_t)a * b - (int64_t)c * d) * 2 + (round << 7);
|
|
return do_sat_bhw(r, INT16_MIN, INT16_MAX, sat) >> 8;
|
|
}
|
|
|
|
static int16_t do_vqdmlsdh_h(int16_t a, int16_t b, int16_t c, int16_t d,
|
|
int round, bool *sat)
|
|
{
|
|
int64_t r = ((int64_t)a * b - (int64_t)c * d) * 2 + (round << 15);
|
|
return do_sat_bhw(r, INT32_MIN, INT32_MAX, sat) >> 16;
|
|
}
|
|
|
|
static int32_t do_vqdmlsdh_w(int32_t a, int32_t b, int32_t c, int32_t d,
|
|
int round, bool *sat)
|
|
{
|
|
int64_t m1 = (int64_t)a * b;
|
|
int64_t m2 = (int64_t)c * d;
|
|
int64_t r;
|
|
/* The same ordering issue as in do_vqdmladh_w applies here too */
|
|
if (ssub64_overflow(m1, m2, &r) ||
|
|
sadd64_overflow(r, (round << 30), &r) ||
|
|
sadd64_overflow(r, r, &r)) {
|
|
*sat = true;
|
|
return r < 0 ? INT32_MAX : INT32_MIN;
|
|
}
|
|
return r >> 32;
|
|
}
|
|
|
|
DO_VQDMLADH_OP(vqdmladhb, 1, int8_t, 0, 0, do_vqdmladh_b)
|
|
DO_VQDMLADH_OP(vqdmladhh, 2, int16_t, 0, 0, do_vqdmladh_h)
|
|
DO_VQDMLADH_OP(vqdmladhw, 4, int32_t, 0, 0, do_vqdmladh_w)
|
|
DO_VQDMLADH_OP(vqdmladhxb, 1, int8_t, 1, 0, do_vqdmladh_b)
|
|
DO_VQDMLADH_OP(vqdmladhxh, 2, int16_t, 1, 0, do_vqdmladh_h)
|
|
DO_VQDMLADH_OP(vqdmladhxw, 4, int32_t, 1, 0, do_vqdmladh_w)
|
|
|
|
DO_VQDMLADH_OP(vqrdmladhb, 1, int8_t, 0, 1, do_vqdmladh_b)
|
|
DO_VQDMLADH_OP(vqrdmladhh, 2, int16_t, 0, 1, do_vqdmladh_h)
|
|
DO_VQDMLADH_OP(vqrdmladhw, 4, int32_t, 0, 1, do_vqdmladh_w)
|
|
DO_VQDMLADH_OP(vqrdmladhxb, 1, int8_t, 1, 1, do_vqdmladh_b)
|
|
DO_VQDMLADH_OP(vqrdmladhxh, 2, int16_t, 1, 1, do_vqdmladh_h)
|
|
DO_VQDMLADH_OP(vqrdmladhxw, 4, int32_t, 1, 1, do_vqdmladh_w)
|
|
|
|
DO_VQDMLADH_OP(vqdmlsdhb, 1, int8_t, 0, 0, do_vqdmlsdh_b)
|
|
DO_VQDMLADH_OP(vqdmlsdhh, 2, int16_t, 0, 0, do_vqdmlsdh_h)
|
|
DO_VQDMLADH_OP(vqdmlsdhw, 4, int32_t, 0, 0, do_vqdmlsdh_w)
|
|
DO_VQDMLADH_OP(vqdmlsdhxb, 1, int8_t, 1, 0, do_vqdmlsdh_b)
|
|
DO_VQDMLADH_OP(vqdmlsdhxh, 2, int16_t, 1, 0, do_vqdmlsdh_h)
|
|
DO_VQDMLADH_OP(vqdmlsdhxw, 4, int32_t, 1, 0, do_vqdmlsdh_w)
|
|
|
|
DO_VQDMLADH_OP(vqrdmlsdhb, 1, int8_t, 0, 1, do_vqdmlsdh_b)
|
|
DO_VQDMLADH_OP(vqrdmlsdhh, 2, int16_t, 0, 1, do_vqdmlsdh_h)
|
|
DO_VQDMLADH_OP(vqrdmlsdhw, 4, int32_t, 0, 1, do_vqdmlsdh_w)
|
|
DO_VQDMLADH_OP(vqrdmlsdhxb, 1, int8_t, 1, 1, do_vqdmlsdh_b)
|
|
DO_VQDMLADH_OP(vqrdmlsdhxh, 2, int16_t, 1, 1, do_vqdmlsdh_h)
|
|
DO_VQDMLADH_OP(vqrdmlsdhxw, 4, int32_t, 1, 1, do_vqdmlsdh_w)
|
|
|
|
#define DO_2OP_SCALAR(OP, ESIZE, TYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, void *vn, \
|
|
uint32_t rm) \
|
|
{ \
|
|
TYPE *d = vd, *n = vn; \
|
|
TYPE m = rm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
mergemask(&d[H##ESIZE(e)], FN(n[H##ESIZE(e)], m), mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_2OP_SAT_SCALAR(OP, ESIZE, TYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, void *vn, \
|
|
uint32_t rm) \
|
|
{ \
|
|
TYPE *d = vd, *n = vn; \
|
|
TYPE m = rm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
bool qc = false; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
bool sat = false; \
|
|
mergemask(&d[H##ESIZE(e)], FN(n[H##ESIZE(e)], m, &sat), \
|
|
mask); \
|
|
qc |= sat & mask & 1; \
|
|
} \
|
|
if (qc) { \
|
|
env->vfp.qc[0] = qc; \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
/* "accumulating" version where FN takes d as well as n and m */
|
|
#define DO_2OP_ACC_SCALAR(OP, ESIZE, TYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, void *vn, \
|
|
uint32_t rm) \
|
|
{ \
|
|
TYPE *d = vd, *n = vn; \
|
|
TYPE m = rm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
mergemask(&d[H##ESIZE(e)], \
|
|
FN(d[H##ESIZE(e)], n[H##ESIZE(e)], m), mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_2OP_SAT_ACC_SCALAR(OP, ESIZE, TYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, void *vn, \
|
|
uint32_t rm) \
|
|
{ \
|
|
TYPE *d = vd, *n = vn; \
|
|
TYPE m = rm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
bool qc = false; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
bool sat = false; \
|
|
mergemask(&d[H##ESIZE(e)], \
|
|
FN(d[H##ESIZE(e)], n[H##ESIZE(e)], m, &sat), \
|
|
mask); \
|
|
qc |= sat & mask & 1; \
|
|
} \
|
|
if (qc) { \
|
|
env->vfp.qc[0] = qc; \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
/* provide unsigned 2-op scalar helpers for all sizes */
|
|
#define DO_2OP_SCALAR_U(OP, FN) \
|
|
DO_2OP_SCALAR(OP##b, 1, uint8_t, FN) \
|
|
DO_2OP_SCALAR(OP##h, 2, uint16_t, FN) \
|
|
DO_2OP_SCALAR(OP##w, 4, uint32_t, FN)
|
|
#define DO_2OP_SCALAR_S(OP, FN) \
|
|
DO_2OP_SCALAR(OP##b, 1, int8_t, FN) \
|
|
DO_2OP_SCALAR(OP##h, 2, int16_t, FN) \
|
|
DO_2OP_SCALAR(OP##w, 4, int32_t, FN)
|
|
|
|
#define DO_2OP_ACC_SCALAR_U(OP, FN) \
|
|
DO_2OP_ACC_SCALAR(OP##b, 1, uint8_t, FN) \
|
|
DO_2OP_ACC_SCALAR(OP##h, 2, uint16_t, FN) \
|
|
DO_2OP_ACC_SCALAR(OP##w, 4, uint32_t, FN)
|
|
|
|
DO_2OP_SCALAR_U(vadd_scalar, DO_ADD)
|
|
DO_2OP_SCALAR_U(vsub_scalar, DO_SUB)
|
|
DO_2OP_SCALAR_U(vmul_scalar, DO_MUL)
|
|
DO_2OP_SCALAR_S(vhadds_scalar, do_vhadd_s)
|
|
DO_2OP_SCALAR_U(vhaddu_scalar, do_vhadd_u)
|
|
DO_2OP_SCALAR_S(vhsubs_scalar, do_vhsub_s)
|
|
DO_2OP_SCALAR_U(vhsubu_scalar, do_vhsub_u)
|
|
|
|
DO_2OP_SAT_SCALAR(vqaddu_scalarb, 1, uint8_t, DO_UQADD_B)
|
|
DO_2OP_SAT_SCALAR(vqaddu_scalarh, 2, uint16_t, DO_UQADD_H)
|
|
DO_2OP_SAT_SCALAR(vqaddu_scalarw, 4, uint32_t, DO_UQADD_W)
|
|
DO_2OP_SAT_SCALAR(vqadds_scalarb, 1, int8_t, DO_SQADD_B)
|
|
DO_2OP_SAT_SCALAR(vqadds_scalarh, 2, int16_t, DO_SQADD_H)
|
|
DO_2OP_SAT_SCALAR(vqadds_scalarw, 4, int32_t, DO_SQADD_W)
|
|
|
|
DO_2OP_SAT_SCALAR(vqsubu_scalarb, 1, uint8_t, DO_UQSUB_B)
|
|
DO_2OP_SAT_SCALAR(vqsubu_scalarh, 2, uint16_t, DO_UQSUB_H)
|
|
DO_2OP_SAT_SCALAR(vqsubu_scalarw, 4, uint32_t, DO_UQSUB_W)
|
|
DO_2OP_SAT_SCALAR(vqsubs_scalarb, 1, int8_t, DO_SQSUB_B)
|
|
DO_2OP_SAT_SCALAR(vqsubs_scalarh, 2, int16_t, DO_SQSUB_H)
|
|
DO_2OP_SAT_SCALAR(vqsubs_scalarw, 4, int32_t, DO_SQSUB_W)
|
|
|
|
DO_2OP_SAT_SCALAR(vqdmulh_scalarb, 1, int8_t, DO_QDMULH_B)
|
|
DO_2OP_SAT_SCALAR(vqdmulh_scalarh, 2, int16_t, DO_QDMULH_H)
|
|
DO_2OP_SAT_SCALAR(vqdmulh_scalarw, 4, int32_t, DO_QDMULH_W)
|
|
DO_2OP_SAT_SCALAR(vqrdmulh_scalarb, 1, int8_t, DO_QRDMULH_B)
|
|
DO_2OP_SAT_SCALAR(vqrdmulh_scalarh, 2, int16_t, DO_QRDMULH_H)
|
|
DO_2OP_SAT_SCALAR(vqrdmulh_scalarw, 4, int32_t, DO_QRDMULH_W)
|
|
|
|
static int8_t do_vqdmlah_b(int8_t a, int8_t b, int8_t c, int round, bool *sat)
|
|
{
|
|
int64_t r = (int64_t)a * b * 2 + ((int64_t)c << 8) + (round << 7);
|
|
return do_sat_bhw(r, INT16_MIN, INT16_MAX, sat) >> 8;
|
|
}
|
|
|
|
static int16_t do_vqdmlah_h(int16_t a, int16_t b, int16_t c,
|
|
int round, bool *sat)
|
|
{
|
|
int64_t r = (int64_t)a * b * 2 + ((int64_t)c << 16) + (round << 15);
|
|
return do_sat_bhw(r, INT32_MIN, INT32_MAX, sat) >> 16;
|
|
}
|
|
|
|
static int32_t do_vqdmlah_w(int32_t a, int32_t b, int32_t c,
|
|
int round, bool *sat)
|
|
{
|
|
/*
|
|
* Architecturally we should do the entire add, double, round
|
|
* and then check for saturation. We do three saturating adds,
|
|
* but we need to be careful about the order. If the first
|
|
* m1 + m2 saturates then it's impossible for the *2+rc to
|
|
* bring it back into the non-saturated range. However, if
|
|
* m1 + m2 is negative then it's possible that doing the doubling
|
|
* would take the intermediate result below INT64_MAX and the
|
|
* addition of the rounding constant then brings it back in range.
|
|
* So we add half the rounding constant and half the "c << esize"
|
|
* before doubling rather than adding the rounding constant after
|
|
* the doubling.
|
|
*/
|
|
int64_t m1 = (int64_t)a * b;
|
|
int64_t m2 = (int64_t)c << 31;
|
|
int64_t r;
|
|
if (sadd64_overflow(m1, m2, &r) ||
|
|
sadd64_overflow(r, (round << 30), &r) ||
|
|
sadd64_overflow(r, r, &r)) {
|
|
*sat = true;
|
|
return r < 0 ? INT32_MAX : INT32_MIN;
|
|
}
|
|
return r >> 32;
|
|
}
|
|
|
|
/*
|
|
* The *MLAH insns are vector * scalar + vector;
|
|
* the *MLASH insns are vector * vector + scalar
|
|
*/
|
|
#define DO_VQDMLAH_B(D, N, M, S) do_vqdmlah_b(N, M, D, 0, S)
|
|
#define DO_VQDMLAH_H(D, N, M, S) do_vqdmlah_h(N, M, D, 0, S)
|
|
#define DO_VQDMLAH_W(D, N, M, S) do_vqdmlah_w(N, M, D, 0, S)
|
|
#define DO_VQRDMLAH_B(D, N, M, S) do_vqdmlah_b(N, M, D, 1, S)
|
|
#define DO_VQRDMLAH_H(D, N, M, S) do_vqdmlah_h(N, M, D, 1, S)
|
|
#define DO_VQRDMLAH_W(D, N, M, S) do_vqdmlah_w(N, M, D, 1, S)
|
|
|
|
#define DO_VQDMLASH_B(D, N, M, S) do_vqdmlah_b(N, D, M, 0, S)
|
|
#define DO_VQDMLASH_H(D, N, M, S) do_vqdmlah_h(N, D, M, 0, S)
|
|
#define DO_VQDMLASH_W(D, N, M, S) do_vqdmlah_w(N, D, M, 0, S)
|
|
#define DO_VQRDMLASH_B(D, N, M, S) do_vqdmlah_b(N, D, M, 1, S)
|
|
#define DO_VQRDMLASH_H(D, N, M, S) do_vqdmlah_h(N, D, M, 1, S)
|
|
#define DO_VQRDMLASH_W(D, N, M, S) do_vqdmlah_w(N, D, M, 1, S)
|
|
|
|
DO_2OP_SAT_ACC_SCALAR(vqdmlahb, 1, int8_t, DO_VQDMLAH_B)
|
|
DO_2OP_SAT_ACC_SCALAR(vqdmlahh, 2, int16_t, DO_VQDMLAH_H)
|
|
DO_2OP_SAT_ACC_SCALAR(vqdmlahw, 4, int32_t, DO_VQDMLAH_W)
|
|
DO_2OP_SAT_ACC_SCALAR(vqrdmlahb, 1, int8_t, DO_VQRDMLAH_B)
|
|
DO_2OP_SAT_ACC_SCALAR(vqrdmlahh, 2, int16_t, DO_VQRDMLAH_H)
|
|
DO_2OP_SAT_ACC_SCALAR(vqrdmlahw, 4, int32_t, DO_VQRDMLAH_W)
|
|
|
|
DO_2OP_SAT_ACC_SCALAR(vqdmlashb, 1, int8_t, DO_VQDMLASH_B)
|
|
DO_2OP_SAT_ACC_SCALAR(vqdmlashh, 2, int16_t, DO_VQDMLASH_H)
|
|
DO_2OP_SAT_ACC_SCALAR(vqdmlashw, 4, int32_t, DO_VQDMLASH_W)
|
|
DO_2OP_SAT_ACC_SCALAR(vqrdmlashb, 1, int8_t, DO_VQRDMLASH_B)
|
|
DO_2OP_SAT_ACC_SCALAR(vqrdmlashh, 2, int16_t, DO_VQRDMLASH_H)
|
|
DO_2OP_SAT_ACC_SCALAR(vqrdmlashw, 4, int32_t, DO_VQRDMLASH_W)
|
|
|
|
/* Vector by scalar plus vector */
|
|
#define DO_VMLA(D, N, M) ((N) * (M) + (D))
|
|
|
|
DO_2OP_ACC_SCALAR_U(vmla, DO_VMLA)
|
|
|
|
/* Vector by vector plus scalar */
|
|
#define DO_VMLAS(D, N, M) ((N) * (D) + (M))
|
|
|
|
DO_2OP_ACC_SCALAR_U(vmlas, DO_VMLAS)
|
|
|
|
/*
|
|
* Long saturating scalar ops. As with DO_2OP_L, TYPE and H are for the
|
|
* input (smaller) type and LESIZE, LTYPE, LH for the output (long) type.
|
|
* SATMASK specifies which bits of the predicate mask matter for determining
|
|
* whether to propagate a saturation indication into FPSCR.QC -- for
|
|
* the 16x16->32 case we must check only the bit corresponding to the T or B
|
|
* half that we used, but for the 32x32->64 case we propagate if the mask
|
|
* bit is set for either half.
|
|
*/
|
|
#define DO_2OP_SAT_SCALAR_L(OP, TOP, ESIZE, TYPE, LESIZE, LTYPE, FN, SATMASK) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, void *vn, \
|
|
uint32_t rm) \
|
|
{ \
|
|
LTYPE *d = vd; \
|
|
TYPE *n = vn; \
|
|
TYPE m = rm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned le; \
|
|
bool qc = false; \
|
|
for (le = 0; le < 16 / LESIZE; le++, mask >>= LESIZE) { \
|
|
bool sat = false; \
|
|
LTYPE r = FN((LTYPE)n[H##ESIZE(le * 2 + TOP)], m, &sat); \
|
|
mergemask(&d[H##LESIZE(le)], r, mask); \
|
|
qc |= sat && (mask & SATMASK); \
|
|
} \
|
|
if (qc) { \
|
|
env->vfp.qc[0] = qc; \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
static inline int32_t do_qdmullh(int16_t n, int16_t m, bool *sat)
|
|
{
|
|
int64_t r = ((int64_t)n * m) * 2;
|
|
return do_sat_bhw(r, INT32_MIN, INT32_MAX, sat);
|
|
}
|
|
|
|
static inline int64_t do_qdmullw(int32_t n, int32_t m, bool *sat)
|
|
{
|
|
/* The multiply can't overflow, but the doubling might */
|
|
int64_t r = (int64_t)n * m;
|
|
if (r > INT64_MAX / 2) {
|
|
*sat = true;
|
|
return INT64_MAX;
|
|
} else if (r < INT64_MIN / 2) {
|
|
*sat = true;
|
|
return INT64_MIN;
|
|
} else {
|
|
return r * 2;
|
|
}
|
|
}
|
|
|
|
#define SATMASK16B 1
|
|
#define SATMASK16T (1 << 2)
|
|
#define SATMASK32 ((1 << 4) | 1)
|
|
|
|
DO_2OP_SAT_SCALAR_L(vqdmullb_scalarh, 0, 2, int16_t, 4, int32_t, \
|
|
do_qdmullh, SATMASK16B)
|
|
DO_2OP_SAT_SCALAR_L(vqdmullb_scalarw, 0, 4, int32_t, 8, int64_t, \
|
|
do_qdmullw, SATMASK32)
|
|
DO_2OP_SAT_SCALAR_L(vqdmullt_scalarh, 1, 2, int16_t, 4, int32_t, \
|
|
do_qdmullh, SATMASK16T)
|
|
DO_2OP_SAT_SCALAR_L(vqdmullt_scalarw, 1, 4, int32_t, 8, int64_t, \
|
|
do_qdmullw, SATMASK32)
|
|
|
|
/*
|
|
* Long saturating ops
|
|
*/
|
|
#define DO_2OP_SAT_L(OP, TOP, ESIZE, TYPE, LESIZE, LTYPE, FN, SATMASK) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, void *vn, \
|
|
void *vm) \
|
|
{ \
|
|
LTYPE *d = vd; \
|
|
TYPE *n = vn, *m = vm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned le; \
|
|
bool qc = false; \
|
|
for (le = 0; le < 16 / LESIZE; le++, mask >>= LESIZE) { \
|
|
bool sat = false; \
|
|
LTYPE op1 = n[H##ESIZE(le * 2 + TOP)]; \
|
|
LTYPE op2 = m[H##ESIZE(le * 2 + TOP)]; \
|
|
mergemask(&d[H##LESIZE(le)], FN(op1, op2, &sat), mask); \
|
|
qc |= sat && (mask & SATMASK); \
|
|
} \
|
|
if (qc) { \
|
|
env->vfp.qc[0] = qc; \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
DO_2OP_SAT_L(vqdmullbh, 0, 2, int16_t, 4, int32_t, do_qdmullh, SATMASK16B)
|
|
DO_2OP_SAT_L(vqdmullbw, 0, 4, int32_t, 8, int64_t, do_qdmullw, SATMASK32)
|
|
DO_2OP_SAT_L(vqdmullth, 1, 2, int16_t, 4, int32_t, do_qdmullh, SATMASK16T)
|
|
DO_2OP_SAT_L(vqdmulltw, 1, 4, int32_t, 8, int64_t, do_qdmullw, SATMASK32)
|
|
|
|
static inline uint32_t do_vbrsrb(uint32_t n, uint32_t m)
|
|
{
|
|
m &= 0xff;
|
|
if (m == 0) {
|
|
return 0;
|
|
}
|
|
n = revbit8(n);
|
|
if (m < 8) {
|
|
n >>= 8 - m;
|
|
}
|
|
return n;
|
|
}
|
|
|
|
static inline uint32_t do_vbrsrh(uint32_t n, uint32_t m)
|
|
{
|
|
m &= 0xff;
|
|
if (m == 0) {
|
|
return 0;
|
|
}
|
|
n = revbit16(n);
|
|
if (m < 16) {
|
|
n >>= 16 - m;
|
|
}
|
|
return n;
|
|
}
|
|
|
|
static inline uint32_t do_vbrsrw(uint32_t n, uint32_t m)
|
|
{
|
|
m &= 0xff;
|
|
if (m == 0) {
|
|
return 0;
|
|
}
|
|
n = revbit32(n);
|
|
if (m < 32) {
|
|
n >>= 32 - m;
|
|
}
|
|
return n;
|
|
}
|
|
|
|
DO_2OP_SCALAR(vbrsrb, 1, uint8_t, do_vbrsrb)
|
|
DO_2OP_SCALAR(vbrsrh, 2, uint16_t, do_vbrsrh)
|
|
DO_2OP_SCALAR(vbrsrw, 4, uint32_t, do_vbrsrw)
|
|
|
|
/*
|
|
* Multiply add long dual accumulate ops.
|
|
*/
|
|
#define DO_LDAV(OP, ESIZE, TYPE, XCHG, EVENACC, ODDACC) \
|
|
uint64_t HELPER(glue(mve_, OP))(CPUARMState *env, void *vn, \
|
|
void *vm, uint64_t a) \
|
|
{ \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
TYPE *n = vn, *m = vm; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
if (mask & 1) { \
|
|
if (e & 1) { \
|
|
a ODDACC \
|
|
(int64_t)n[H##ESIZE(e - 1 * XCHG)] * m[H##ESIZE(e)]; \
|
|
} else { \
|
|
a EVENACC \
|
|
(int64_t)n[H##ESIZE(e + 1 * XCHG)] * m[H##ESIZE(e)]; \
|
|
} \
|
|
} \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
return a; \
|
|
}
|
|
|
|
DO_LDAV(vmlaldavsh, 2, int16_t, false, +=, +=)
|
|
DO_LDAV(vmlaldavxsh, 2, int16_t, true, +=, +=)
|
|
DO_LDAV(vmlaldavsw, 4, int32_t, false, +=, +=)
|
|
DO_LDAV(vmlaldavxsw, 4, int32_t, true, +=, +=)
|
|
|
|
DO_LDAV(vmlaldavuh, 2, uint16_t, false, +=, +=)
|
|
DO_LDAV(vmlaldavuw, 4, uint32_t, false, +=, +=)
|
|
|
|
DO_LDAV(vmlsldavsh, 2, int16_t, false, +=, -=)
|
|
DO_LDAV(vmlsldavxsh, 2, int16_t, true, +=, -=)
|
|
DO_LDAV(vmlsldavsw, 4, int32_t, false, +=, -=)
|
|
DO_LDAV(vmlsldavxsw, 4, int32_t, true, +=, -=)
|
|
|
|
/*
|
|
* Multiply add dual accumulate ops
|
|
*/
|
|
#define DO_DAV(OP, ESIZE, TYPE, XCHG, EVENACC, ODDACC) \
|
|
uint32_t HELPER(glue(mve_, OP))(CPUARMState *env, void *vn, \
|
|
void *vm, uint32_t a) \
|
|
{ \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
TYPE *n = vn, *m = vm; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
if (mask & 1) { \
|
|
if (e & 1) { \
|
|
a ODDACC \
|
|
n[H##ESIZE(e - 1 * XCHG)] * m[H##ESIZE(e)]; \
|
|
} else { \
|
|
a EVENACC \
|
|
n[H##ESIZE(e + 1 * XCHG)] * m[H##ESIZE(e)]; \
|
|
} \
|
|
} \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
return a; \
|
|
}
|
|
|
|
#define DO_DAV_S(INSN, XCHG, EVENACC, ODDACC) \
|
|
DO_DAV(INSN##b, 1, int8_t, XCHG, EVENACC, ODDACC) \
|
|
DO_DAV(INSN##h, 2, int16_t, XCHG, EVENACC, ODDACC) \
|
|
DO_DAV(INSN##w, 4, int32_t, XCHG, EVENACC, ODDACC)
|
|
|
|
#define DO_DAV_U(INSN, XCHG, EVENACC, ODDACC) \
|
|
DO_DAV(INSN##b, 1, uint8_t, XCHG, EVENACC, ODDACC) \
|
|
DO_DAV(INSN##h, 2, uint16_t, XCHG, EVENACC, ODDACC) \
|
|
DO_DAV(INSN##w, 4, uint32_t, XCHG, EVENACC, ODDACC)
|
|
|
|
DO_DAV_S(vmladavs, false, +=, +=)
|
|
DO_DAV_U(vmladavu, false, +=, +=)
|
|
DO_DAV_S(vmlsdav, false, +=, -=)
|
|
DO_DAV_S(vmladavsx, true, +=, +=)
|
|
DO_DAV_S(vmlsdavx, true, +=, -=)
|
|
|
|
/*
|
|
* Rounding multiply add long dual accumulate high. In the pseudocode
|
|
* this is implemented with a 72-bit internal accumulator value of which
|
|
* the top 64 bits are returned. We optimize this to avoid having to
|
|
* use 128-bit arithmetic -- we can do this because the 74-bit accumulator
|
|
* is squashed back into 64-bits after each beat.
|
|
*/
|
|
#define DO_LDAVH(OP, TYPE, LTYPE, XCHG, SUB) \
|
|
uint64_t HELPER(glue(mve_, OP))(CPUARMState *env, void *vn, \
|
|
void *vm, uint64_t a) \
|
|
{ \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
TYPE *n = vn, *m = vm; \
|
|
for (e = 0; e < 16 / 4; e++, mask >>= 4) { \
|
|
if (mask & 1) { \
|
|
LTYPE mul; \
|
|
if (e & 1) { \
|
|
mul = (LTYPE)n[H4(e - 1 * XCHG)] * m[H4(e)]; \
|
|
if (SUB) { \
|
|
mul = -mul; \
|
|
} \
|
|
} else { \
|
|
mul = (LTYPE)n[H4(e + 1 * XCHG)] * m[H4(e)]; \
|
|
} \
|
|
mul = (mul >> 8) + ((mul >> 7) & 1); \
|
|
a += mul; \
|
|
} \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
return a; \
|
|
}
|
|
|
|
DO_LDAVH(vrmlaldavhsw, int32_t, int64_t, false, false)
|
|
DO_LDAVH(vrmlaldavhxsw, int32_t, int64_t, true, false)
|
|
|
|
DO_LDAVH(vrmlaldavhuw, uint32_t, uint64_t, false, false)
|
|
|
|
DO_LDAVH(vrmlsldavhsw, int32_t, int64_t, false, true)
|
|
DO_LDAVH(vrmlsldavhxsw, int32_t, int64_t, true, true)
|
|
|
|
/* Vector add across vector */
|
|
#define DO_VADDV(OP, ESIZE, TYPE) \
|
|
uint32_t HELPER(glue(mve_, OP))(CPUARMState *env, void *vm, \
|
|
uint32_t ra) \
|
|
{ \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
TYPE *m = vm; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
if (mask & 1) { \
|
|
ra += m[H##ESIZE(e)]; \
|
|
} \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
return ra; \
|
|
} \
|
|
|
|
DO_VADDV(vaddvsb, 1, int8_t)
|
|
DO_VADDV(vaddvsh, 2, int16_t)
|
|
DO_VADDV(vaddvsw, 4, int32_t)
|
|
DO_VADDV(vaddvub, 1, uint8_t)
|
|
DO_VADDV(vaddvuh, 2, uint16_t)
|
|
DO_VADDV(vaddvuw, 4, uint32_t)
|
|
|
|
/*
|
|
* Vector max/min across vector. Unlike VADDV, we must
|
|
* read ra as the element size, not its full width.
|
|
* We work with int64_t internally for simplicity.
|
|
*/
|
|
#define DO_VMAXMINV(OP, ESIZE, TYPE, RATYPE, FN) \
|
|
uint32_t HELPER(glue(mve_, OP))(CPUARMState *env, void *vm, \
|
|
uint32_t ra_in) \
|
|
{ \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
TYPE *m = vm; \
|
|
int64_t ra = (RATYPE)ra_in; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
if (mask & 1) { \
|
|
ra = FN(ra, m[H##ESIZE(e)]); \
|
|
} \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
return ra; \
|
|
} \
|
|
|
|
#define DO_VMAXMINV_U(INSN, FN) \
|
|
DO_VMAXMINV(INSN##b, 1, uint8_t, uint8_t, FN) \
|
|
DO_VMAXMINV(INSN##h, 2, uint16_t, uint16_t, FN) \
|
|
DO_VMAXMINV(INSN##w, 4, uint32_t, uint32_t, FN)
|
|
#define DO_VMAXMINV_S(INSN, FN) \
|
|
DO_VMAXMINV(INSN##b, 1, int8_t, int8_t, FN) \
|
|
DO_VMAXMINV(INSN##h, 2, int16_t, int16_t, FN) \
|
|
DO_VMAXMINV(INSN##w, 4, int32_t, int32_t, FN)
|
|
|
|
/*
|
|
* Helpers for max and min of absolute values across vector:
|
|
* note that we only take the absolute value of 'm', not 'n'
|
|
*/
|
|
static int64_t do_maxa(int64_t n, int64_t m)
|
|
{
|
|
if (m < 0) {
|
|
m = -m;
|
|
}
|
|
return MAX(n, m);
|
|
}
|
|
|
|
static int64_t do_mina(int64_t n, int64_t m)
|
|
{
|
|
if (m < 0) {
|
|
m = -m;
|
|
}
|
|
return MIN(n, m);
|
|
}
|
|
|
|
DO_VMAXMINV_S(vmaxvs, DO_MAX)
|
|
DO_VMAXMINV_U(vmaxvu, DO_MAX)
|
|
DO_VMAXMINV_S(vminvs, DO_MIN)
|
|
DO_VMAXMINV_U(vminvu, DO_MIN)
|
|
/*
|
|
* VMAXAV, VMINAV treat the general purpose input as unsigned
|
|
* and the vector elements as signed.
|
|
*/
|
|
DO_VMAXMINV(vmaxavb, 1, int8_t, uint8_t, do_maxa)
|
|
DO_VMAXMINV(vmaxavh, 2, int16_t, uint16_t, do_maxa)
|
|
DO_VMAXMINV(vmaxavw, 4, int32_t, uint32_t, do_maxa)
|
|
DO_VMAXMINV(vminavb, 1, int8_t, uint8_t, do_mina)
|
|
DO_VMAXMINV(vminavh, 2, int16_t, uint16_t, do_mina)
|
|
DO_VMAXMINV(vminavw, 4, int32_t, uint32_t, do_mina)
|
|
|
|
#define DO_VABAV(OP, ESIZE, TYPE) \
|
|
uint32_t HELPER(glue(mve_, OP))(CPUARMState *env, void *vn, \
|
|
void *vm, uint32_t ra) \
|
|
{ \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
TYPE *m = vm, *n = vn; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
if (mask & 1) { \
|
|
int64_t n0 = n[H##ESIZE(e)]; \
|
|
int64_t m0 = m[H##ESIZE(e)]; \
|
|
uint32_t r = n0 >= m0 ? (n0 - m0) : (m0 - n0); \
|
|
ra += r; \
|
|
} \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
return ra; \
|
|
}
|
|
|
|
DO_VABAV(vabavsb, 1, int8_t)
|
|
DO_VABAV(vabavsh, 2, int16_t)
|
|
DO_VABAV(vabavsw, 4, int32_t)
|
|
DO_VABAV(vabavub, 1, uint8_t)
|
|
DO_VABAV(vabavuh, 2, uint16_t)
|
|
DO_VABAV(vabavuw, 4, uint32_t)
|
|
|
|
#define DO_VADDLV(OP, TYPE, LTYPE) \
|
|
uint64_t HELPER(glue(mve_, OP))(CPUARMState *env, void *vm, \
|
|
uint64_t ra) \
|
|
{ \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
TYPE *m = vm; \
|
|
for (e = 0; e < 16 / 4; e++, mask >>= 4) { \
|
|
if (mask & 1) { \
|
|
ra += (LTYPE)m[H4(e)]; \
|
|
} \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
return ra; \
|
|
} \
|
|
|
|
DO_VADDLV(vaddlv_s, int32_t, int64_t)
|
|
DO_VADDLV(vaddlv_u, uint32_t, uint64_t)
|
|
|
|
/* Shifts by immediate */
|
|
#define DO_2SHIFT(OP, ESIZE, TYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, \
|
|
void *vm, uint32_t shift) \
|
|
{ \
|
|
TYPE *d = vd, *m = vm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
mergemask(&d[H##ESIZE(e)], \
|
|
FN(m[H##ESIZE(e)], shift), mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_2SHIFT_SAT(OP, ESIZE, TYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, \
|
|
void *vm, uint32_t shift) \
|
|
{ \
|
|
TYPE *d = vd, *m = vm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
bool qc = false; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
bool sat = false; \
|
|
mergemask(&d[H##ESIZE(e)], \
|
|
FN(m[H##ESIZE(e)], shift, &sat), mask); \
|
|
qc |= sat & mask & 1; \
|
|
} \
|
|
if (qc) { \
|
|
env->vfp.qc[0] = qc; \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
/* provide unsigned 2-op shift helpers for all sizes */
|
|
#define DO_2SHIFT_U(OP, FN) \
|
|
DO_2SHIFT(OP##b, 1, uint8_t, FN) \
|
|
DO_2SHIFT(OP##h, 2, uint16_t, FN) \
|
|
DO_2SHIFT(OP##w, 4, uint32_t, FN)
|
|
#define DO_2SHIFT_S(OP, FN) \
|
|
DO_2SHIFT(OP##b, 1, int8_t, FN) \
|
|
DO_2SHIFT(OP##h, 2, int16_t, FN) \
|
|
DO_2SHIFT(OP##w, 4, int32_t, FN)
|
|
|
|
#define DO_2SHIFT_SAT_U(OP, FN) \
|
|
DO_2SHIFT_SAT(OP##b, 1, uint8_t, FN) \
|
|
DO_2SHIFT_SAT(OP##h, 2, uint16_t, FN) \
|
|
DO_2SHIFT_SAT(OP##w, 4, uint32_t, FN)
|
|
#define DO_2SHIFT_SAT_S(OP, FN) \
|
|
DO_2SHIFT_SAT(OP##b, 1, int8_t, FN) \
|
|
DO_2SHIFT_SAT(OP##h, 2, int16_t, FN) \
|
|
DO_2SHIFT_SAT(OP##w, 4, int32_t, FN)
|
|
|
|
DO_2SHIFT_U(vshli_u, DO_VSHLU)
|
|
DO_2SHIFT_S(vshli_s, DO_VSHLS)
|
|
DO_2SHIFT_SAT_U(vqshli_u, DO_UQSHL_OP)
|
|
DO_2SHIFT_SAT_S(vqshli_s, DO_SQSHL_OP)
|
|
DO_2SHIFT_SAT_S(vqshlui_s, DO_SUQSHL_OP)
|
|
DO_2SHIFT_U(vrshli_u, DO_VRSHLU)
|
|
DO_2SHIFT_S(vrshli_s, DO_VRSHLS)
|
|
DO_2SHIFT_SAT_U(vqrshli_u, DO_UQRSHL_OP)
|
|
DO_2SHIFT_SAT_S(vqrshli_s, DO_SQRSHL_OP)
|
|
|
|
/* Shift-and-insert; we always work with 64 bits at a time */
|
|
#define DO_2SHIFT_INSERT(OP, ESIZE, SHIFTFN, MASKFN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, \
|
|
void *vm, uint32_t shift) \
|
|
{ \
|
|
uint64_t *d = vd, *m = vm; \
|
|
uint16_t mask; \
|
|
uint64_t shiftmask; \
|
|
unsigned e; \
|
|
if (shift == ESIZE * 8) { \
|
|
/* \
|
|
* Only VSRI can shift by <dt>; it should mean "don't \
|
|
* update the destination". The generic logic can't handle \
|
|
* this because it would try to shift by an out-of-range \
|
|
* amount, so special case it here. \
|
|
*/ \
|
|
goto done; \
|
|
} \
|
|
assert(shift < ESIZE * 8); \
|
|
mask = mve_element_mask(env); \
|
|
/* ESIZE / 2 gives the MO_* value if ESIZE is in [1,2,4] */ \
|
|
shiftmask = dup_const(ESIZE / 2, MASKFN(ESIZE * 8, shift)); \
|
|
for (e = 0; e < 16 / 8; e++, mask >>= 8) { \
|
|
uint64_t r = (SHIFTFN(m[H8(e)], shift) & shiftmask) | \
|
|
(d[H8(e)] & ~shiftmask); \
|
|
mergemask(&d[H8(e)], r, mask); \
|
|
} \
|
|
done: \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_SHL(N, SHIFT) ((N) << (SHIFT))
|
|
#define DO_SHR(N, SHIFT) ((N) >> (SHIFT))
|
|
#define SHL_MASK(EBITS, SHIFT) MAKE_64BIT_MASK((SHIFT), (EBITS) - (SHIFT))
|
|
#define SHR_MASK(EBITS, SHIFT) MAKE_64BIT_MASK(0, (EBITS) - (SHIFT))
|
|
|
|
DO_2SHIFT_INSERT(vsrib, 1, DO_SHR, SHR_MASK)
|
|
DO_2SHIFT_INSERT(vsrih, 2, DO_SHR, SHR_MASK)
|
|
DO_2SHIFT_INSERT(vsriw, 4, DO_SHR, SHR_MASK)
|
|
DO_2SHIFT_INSERT(vslib, 1, DO_SHL, SHL_MASK)
|
|
DO_2SHIFT_INSERT(vslih, 2, DO_SHL, SHL_MASK)
|
|
DO_2SHIFT_INSERT(vsliw, 4, DO_SHL, SHL_MASK)
|
|
|
|
/*
|
|
* Long shifts taking half-sized inputs from top or bottom of the input
|
|
* vector and producing a double-width result. ESIZE, TYPE are for
|
|
* the input, and LESIZE, LTYPE for the output.
|
|
* Unlike the normal shift helpers, we do not handle negative shift counts,
|
|
* because the long shift is strictly left-only.
|
|
*/
|
|
#define DO_VSHLL(OP, TOP, ESIZE, TYPE, LESIZE, LTYPE) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, \
|
|
void *vm, uint32_t shift) \
|
|
{ \
|
|
LTYPE *d = vd; \
|
|
TYPE *m = vm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned le; \
|
|
assert(shift <= 16); \
|
|
for (le = 0; le < 16 / LESIZE; le++, mask >>= LESIZE) { \
|
|
LTYPE r = (LTYPE)m[H##ESIZE(le * 2 + TOP)] << shift; \
|
|
mergemask(&d[H##LESIZE(le)], r, mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_VSHLL_ALL(OP, TOP) \
|
|
DO_VSHLL(OP##sb, TOP, 1, int8_t, 2, int16_t) \
|
|
DO_VSHLL(OP##ub, TOP, 1, uint8_t, 2, uint16_t) \
|
|
DO_VSHLL(OP##sh, TOP, 2, int16_t, 4, int32_t) \
|
|
DO_VSHLL(OP##uh, TOP, 2, uint16_t, 4, uint32_t) \
|
|
|
|
DO_VSHLL_ALL(vshllb, false)
|
|
DO_VSHLL_ALL(vshllt, true)
|
|
|
|
/*
|
|
* Narrowing right shifts, taking a double sized input, shifting it
|
|
* and putting the result in either the top or bottom half of the output.
|
|
* ESIZE, TYPE are the output, and LESIZE, LTYPE the input.
|
|
*/
|
|
#define DO_VSHRN(OP, TOP, ESIZE, TYPE, LESIZE, LTYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, \
|
|
void *vm, uint32_t shift) \
|
|
{ \
|
|
LTYPE *m = vm; \
|
|
TYPE *d = vd; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned le; \
|
|
mask >>= ESIZE * TOP; \
|
|
for (le = 0; le < 16 / LESIZE; le++, mask >>= LESIZE) { \
|
|
TYPE r = FN(m[H##LESIZE(le)], shift); \
|
|
mergemask(&d[H##ESIZE(le * 2 + TOP)], r, mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_VSHRN_ALL(OP, FN) \
|
|
DO_VSHRN(OP##bb, false, 1, uint8_t, 2, uint16_t, FN) \
|
|
DO_VSHRN(OP##bh, false, 2, uint16_t, 4, uint32_t, FN) \
|
|
DO_VSHRN(OP##tb, true, 1, uint8_t, 2, uint16_t, FN) \
|
|
DO_VSHRN(OP##th, true, 2, uint16_t, 4, uint32_t, FN)
|
|
|
|
static inline uint64_t do_urshr(uint64_t x, unsigned sh)
|
|
{
|
|
if (likely(sh < 64)) {
|
|
return (x >> sh) + ((x >> (sh - 1)) & 1);
|
|
} else if (sh == 64) {
|
|
return x >> 63;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static inline int64_t do_srshr(int64_t x, unsigned sh)
|
|
{
|
|
if (likely(sh < 64)) {
|
|
return (x >> sh) + ((x >> (sh - 1)) & 1);
|
|
} else {
|
|
/* Rounding the sign bit always produces 0. */
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
DO_VSHRN_ALL(vshrn, DO_SHR)
|
|
DO_VSHRN_ALL(vrshrn, do_urshr)
|
|
|
|
static inline int32_t do_sat_bhs(int64_t val, int64_t min, int64_t max,
|
|
bool *satp)
|
|
{
|
|
if (val > max) {
|
|
*satp = true;
|
|
return max;
|
|
} else if (val < min) {
|
|
*satp = true;
|
|
return min;
|
|
} else {
|
|
return val;
|
|
}
|
|
}
|
|
|
|
/* Saturating narrowing right shifts */
|
|
#define DO_VSHRN_SAT(OP, TOP, ESIZE, TYPE, LESIZE, LTYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vd, \
|
|
void *vm, uint32_t shift) \
|
|
{ \
|
|
LTYPE *m = vm; \
|
|
TYPE *d = vd; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
bool qc = false; \
|
|
unsigned le; \
|
|
mask >>= ESIZE * TOP; \
|
|
for (le = 0; le < 16 / LESIZE; le++, mask >>= LESIZE) { \
|
|
bool sat = false; \
|
|
TYPE r = FN(m[H##LESIZE(le)], shift, &sat); \
|
|
mergemask(&d[H##ESIZE(le * 2 + TOP)], r, mask); \
|
|
qc |= sat & mask & 1; \
|
|
} \
|
|
if (qc) { \
|
|
env->vfp.qc[0] = qc; \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_VSHRN_SAT_UB(BOP, TOP, FN) \
|
|
DO_VSHRN_SAT(BOP, false, 1, uint8_t, 2, uint16_t, FN) \
|
|
DO_VSHRN_SAT(TOP, true, 1, uint8_t, 2, uint16_t, FN)
|
|
|
|
#define DO_VSHRN_SAT_UH(BOP, TOP, FN) \
|
|
DO_VSHRN_SAT(BOP, false, 2, uint16_t, 4, uint32_t, FN) \
|
|
DO_VSHRN_SAT(TOP, true, 2, uint16_t, 4, uint32_t, FN)
|
|
|
|
#define DO_VSHRN_SAT_SB(BOP, TOP, FN) \
|
|
DO_VSHRN_SAT(BOP, false, 1, int8_t, 2, int16_t, FN) \
|
|
DO_VSHRN_SAT(TOP, true, 1, int8_t, 2, int16_t, FN)
|
|
|
|
#define DO_VSHRN_SAT_SH(BOP, TOP, FN) \
|
|
DO_VSHRN_SAT(BOP, false, 2, int16_t, 4, int32_t, FN) \
|
|
DO_VSHRN_SAT(TOP, true, 2, int16_t, 4, int32_t, FN)
|
|
|
|
#define DO_SHRN_SB(N, M, SATP) \
|
|
do_sat_bhs((int64_t)(N) >> (M), INT8_MIN, INT8_MAX, SATP)
|
|
#define DO_SHRN_UB(N, M, SATP) \
|
|
do_sat_bhs((uint64_t)(N) >> (M), 0, UINT8_MAX, SATP)
|
|
#define DO_SHRUN_B(N, M, SATP) \
|
|
do_sat_bhs((int64_t)(N) >> (M), 0, UINT8_MAX, SATP)
|
|
|
|
#define DO_SHRN_SH(N, M, SATP) \
|
|
do_sat_bhs((int64_t)(N) >> (M), INT16_MIN, INT16_MAX, SATP)
|
|
#define DO_SHRN_UH(N, M, SATP) \
|
|
do_sat_bhs((uint64_t)(N) >> (M), 0, UINT16_MAX, SATP)
|
|
#define DO_SHRUN_H(N, M, SATP) \
|
|
do_sat_bhs((int64_t)(N) >> (M), 0, UINT16_MAX, SATP)
|
|
|
|
#define DO_RSHRN_SB(N, M, SATP) \
|
|
do_sat_bhs(do_srshr(N, M), INT8_MIN, INT8_MAX, SATP)
|
|
#define DO_RSHRN_UB(N, M, SATP) \
|
|
do_sat_bhs(do_urshr(N, M), 0, UINT8_MAX, SATP)
|
|
#define DO_RSHRUN_B(N, M, SATP) \
|
|
do_sat_bhs(do_srshr(N, M), 0, UINT8_MAX, SATP)
|
|
|
|
#define DO_RSHRN_SH(N, M, SATP) \
|
|
do_sat_bhs(do_srshr(N, M), INT16_MIN, INT16_MAX, SATP)
|
|
#define DO_RSHRN_UH(N, M, SATP) \
|
|
do_sat_bhs(do_urshr(N, M), 0, UINT16_MAX, SATP)
|
|
#define DO_RSHRUN_H(N, M, SATP) \
|
|
do_sat_bhs(do_srshr(N, M), 0, UINT16_MAX, SATP)
|
|
|
|
DO_VSHRN_SAT_SB(vqshrnb_sb, vqshrnt_sb, DO_SHRN_SB)
|
|
DO_VSHRN_SAT_SH(vqshrnb_sh, vqshrnt_sh, DO_SHRN_SH)
|
|
DO_VSHRN_SAT_UB(vqshrnb_ub, vqshrnt_ub, DO_SHRN_UB)
|
|
DO_VSHRN_SAT_UH(vqshrnb_uh, vqshrnt_uh, DO_SHRN_UH)
|
|
DO_VSHRN_SAT_SB(vqshrunbb, vqshruntb, DO_SHRUN_B)
|
|
DO_VSHRN_SAT_SH(vqshrunbh, vqshrunth, DO_SHRUN_H)
|
|
|
|
DO_VSHRN_SAT_SB(vqrshrnb_sb, vqrshrnt_sb, DO_RSHRN_SB)
|
|
DO_VSHRN_SAT_SH(vqrshrnb_sh, vqrshrnt_sh, DO_RSHRN_SH)
|
|
DO_VSHRN_SAT_UB(vqrshrnb_ub, vqrshrnt_ub, DO_RSHRN_UB)
|
|
DO_VSHRN_SAT_UH(vqrshrnb_uh, vqrshrnt_uh, DO_RSHRN_UH)
|
|
DO_VSHRN_SAT_SB(vqrshrunbb, vqrshruntb, DO_RSHRUN_B)
|
|
DO_VSHRN_SAT_SH(vqrshrunbh, vqrshrunth, DO_RSHRUN_H)
|
|
|
|
#define DO_VMOVN(OP, TOP, ESIZE, TYPE, LESIZE, LTYPE) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, void *vd, void *vm) \
|
|
{ \
|
|
LTYPE *m = vm; \
|
|
TYPE *d = vd; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned le; \
|
|
mask >>= ESIZE * TOP; \
|
|
for (le = 0; le < 16 / LESIZE; le++, mask >>= LESIZE) { \
|
|
mergemask(&d[H##ESIZE(le * 2 + TOP)], \
|
|
m[H##LESIZE(le)], mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
DO_VMOVN(vmovnbb, false, 1, uint8_t, 2, uint16_t)
|
|
DO_VMOVN(vmovnbh, false, 2, uint16_t, 4, uint32_t)
|
|
DO_VMOVN(vmovntb, true, 1, uint8_t, 2, uint16_t)
|
|
DO_VMOVN(vmovnth, true, 2, uint16_t, 4, uint32_t)
|
|
|
|
#define DO_VMOVN_SAT(OP, TOP, ESIZE, TYPE, LESIZE, LTYPE, FN) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, void *vd, void *vm) \
|
|
{ \
|
|
LTYPE *m = vm; \
|
|
TYPE *d = vd; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
bool qc = false; \
|
|
unsigned le; \
|
|
mask >>= ESIZE * TOP; \
|
|
for (le = 0; le < 16 / LESIZE; le++, mask >>= LESIZE) { \
|
|
bool sat = false; \
|
|
TYPE r = FN(m[H##LESIZE(le)], &sat); \
|
|
mergemask(&d[H##ESIZE(le * 2 + TOP)], r, mask); \
|
|
qc |= sat & mask & 1; \
|
|
} \
|
|
if (qc) { \
|
|
env->vfp.qc[0] = qc; \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_VMOVN_SAT_UB(BOP, TOP, FN) \
|
|
DO_VMOVN_SAT(BOP, false, 1, uint8_t, 2, uint16_t, FN) \
|
|
DO_VMOVN_SAT(TOP, true, 1, uint8_t, 2, uint16_t, FN)
|
|
|
|
#define DO_VMOVN_SAT_UH(BOP, TOP, FN) \
|
|
DO_VMOVN_SAT(BOP, false, 2, uint16_t, 4, uint32_t, FN) \
|
|
DO_VMOVN_SAT(TOP, true, 2, uint16_t, 4, uint32_t, FN)
|
|
|
|
#define DO_VMOVN_SAT_SB(BOP, TOP, FN) \
|
|
DO_VMOVN_SAT(BOP, false, 1, int8_t, 2, int16_t, FN) \
|
|
DO_VMOVN_SAT(TOP, true, 1, int8_t, 2, int16_t, FN)
|
|
|
|
#define DO_VMOVN_SAT_SH(BOP, TOP, FN) \
|
|
DO_VMOVN_SAT(BOP, false, 2, int16_t, 4, int32_t, FN) \
|
|
DO_VMOVN_SAT(TOP, true, 2, int16_t, 4, int32_t, FN)
|
|
|
|
#define DO_VQMOVN_SB(N, SATP) \
|
|
do_sat_bhs((int64_t)(N), INT8_MIN, INT8_MAX, SATP)
|
|
#define DO_VQMOVN_UB(N, SATP) \
|
|
do_sat_bhs((uint64_t)(N), 0, UINT8_MAX, SATP)
|
|
#define DO_VQMOVUN_B(N, SATP) \
|
|
do_sat_bhs((int64_t)(N), 0, UINT8_MAX, SATP)
|
|
|
|
#define DO_VQMOVN_SH(N, SATP) \
|
|
do_sat_bhs((int64_t)(N), INT16_MIN, INT16_MAX, SATP)
|
|
#define DO_VQMOVN_UH(N, SATP) \
|
|
do_sat_bhs((uint64_t)(N), 0, UINT16_MAX, SATP)
|
|
#define DO_VQMOVUN_H(N, SATP) \
|
|
do_sat_bhs((int64_t)(N), 0, UINT16_MAX, SATP)
|
|
|
|
DO_VMOVN_SAT_SB(vqmovnbsb, vqmovntsb, DO_VQMOVN_SB)
|
|
DO_VMOVN_SAT_SH(vqmovnbsh, vqmovntsh, DO_VQMOVN_SH)
|
|
DO_VMOVN_SAT_UB(vqmovnbub, vqmovntub, DO_VQMOVN_UB)
|
|
DO_VMOVN_SAT_UH(vqmovnbuh, vqmovntuh, DO_VQMOVN_UH)
|
|
DO_VMOVN_SAT_SB(vqmovunbb, vqmovuntb, DO_VQMOVUN_B)
|
|
DO_VMOVN_SAT_SH(vqmovunbh, vqmovunth, DO_VQMOVUN_H)
|
|
|
|
uint32_t HELPER(mve_vshlc)(CPUARMState *env, void *vd, uint32_t rdm,
|
|
uint32_t shift)
|
|
{
|
|
uint32_t *d = vd;
|
|
uint16_t mask = mve_element_mask(env);
|
|
unsigned e;
|
|
uint32_t r;
|
|
|
|
/*
|
|
* For each 32-bit element, we shift it left, bringing in the
|
|
* low 'shift' bits of rdm at the bottom. Bits shifted out at
|
|
* the top become the new rdm, if the predicate mask permits.
|
|
* The final rdm value is returned to update the register.
|
|
* shift == 0 here means "shift by 32 bits".
|
|
*/
|
|
if (shift == 0) {
|
|
for (e = 0; e < 16 / 4; e++, mask >>= 4) {
|
|
r = rdm;
|
|
if (mask & 1) {
|
|
rdm = d[H4(e)];
|
|
}
|
|
mergemask(&d[H4(e)], r, mask);
|
|
}
|
|
} else {
|
|
uint32_t shiftmask = MAKE_64BIT_MASK(0, shift);
|
|
|
|
for (e = 0; e < 16 / 4; e++, mask >>= 4) {
|
|
r = (d[H4(e)] << shift) | (rdm & shiftmask);
|
|
if (mask & 1) {
|
|
rdm = d[H4(e)] >> (32 - shift);
|
|
}
|
|
mergemask(&d[H4(e)], r, mask);
|
|
}
|
|
}
|
|
mve_advance_vpt(env);
|
|
return rdm;
|
|
}
|
|
|
|
uint64_t HELPER(mve_sshrl)(CPUARMState *env, uint64_t n, uint32_t shift)
|
|
{
|
|
return do_sqrshl_d(n, -(int8_t)shift, false, NULL);
|
|
}
|
|
|
|
uint64_t HELPER(mve_ushll)(CPUARMState *env, uint64_t n, uint32_t shift)
|
|
{
|
|
return do_uqrshl_d(n, (int8_t)shift, false, NULL);
|
|
}
|
|
|
|
uint64_t HELPER(mve_sqshll)(CPUARMState *env, uint64_t n, uint32_t shift)
|
|
{
|
|
return do_sqrshl_d(n, (int8_t)shift, false, &env->QF);
|
|
}
|
|
|
|
uint64_t HELPER(mve_uqshll)(CPUARMState *env, uint64_t n, uint32_t shift)
|
|
{
|
|
return do_uqrshl_d(n, (int8_t)shift, false, &env->QF);
|
|
}
|
|
|
|
uint64_t HELPER(mve_sqrshrl)(CPUARMState *env, uint64_t n, uint32_t shift)
|
|
{
|
|
return do_sqrshl_d(n, -(int8_t)shift, true, &env->QF);
|
|
}
|
|
|
|
uint64_t HELPER(mve_uqrshll)(CPUARMState *env, uint64_t n, uint32_t shift)
|
|
{
|
|
return do_uqrshl_d(n, (int8_t)shift, true, &env->QF);
|
|
}
|
|
|
|
/* Operate on 64-bit values, but saturate at 48 bits */
|
|
static inline int64_t do_sqrshl48_d(int64_t src, int64_t shift,
|
|
bool round, uint32_t *sat)
|
|
{
|
|
int64_t val, extval;
|
|
|
|
if (shift <= -48) {
|
|
/* Rounding the sign bit always produces 0. */
|
|
if (round) {
|
|
return 0;
|
|
}
|
|
return src >> 63;
|
|
} else if (shift < 0) {
|
|
if (round) {
|
|
src >>= -shift - 1;
|
|
val = (src >> 1) + (src & 1);
|
|
} else {
|
|
val = src >> -shift;
|
|
}
|
|
extval = sextract64(val, 0, 48);
|
|
if (!sat || val == extval) {
|
|
return extval;
|
|
}
|
|
} else if (shift < 48) {
|
|
int64_t extval = sextract64(src << shift, 0, 48);
|
|
if (!sat || src == (extval >> shift)) {
|
|
return extval;
|
|
}
|
|
} else if (!sat || src == 0) {
|
|
return 0;
|
|
}
|
|
|
|
*sat = 1;
|
|
return src >= 0 ? MAKE_64BIT_MASK(0, 47) : MAKE_64BIT_MASK(47, 17);
|
|
}
|
|
|
|
/* Operate on 64-bit values, but saturate at 48 bits */
|
|
static inline uint64_t do_uqrshl48_d(uint64_t src, int64_t shift,
|
|
bool round, uint32_t *sat)
|
|
{
|
|
uint64_t val, extval;
|
|
|
|
if (shift <= -(48 + round)) {
|
|
return 0;
|
|
} else if (shift < 0) {
|
|
if (round) {
|
|
val = src >> (-shift - 1);
|
|
val = (val >> 1) + (val & 1);
|
|
} else {
|
|
val = src >> -shift;
|
|
}
|
|
extval = extract64(val, 0, 48);
|
|
if (!sat || val == extval) {
|
|
return extval;
|
|
}
|
|
} else if (shift < 48) {
|
|
uint64_t extval = extract64(src << shift, 0, 48);
|
|
if (!sat || src == (extval >> shift)) {
|
|
return extval;
|
|
}
|
|
} else if (!sat || src == 0) {
|
|
return 0;
|
|
}
|
|
|
|
*sat = 1;
|
|
return MAKE_64BIT_MASK(0, 48);
|
|
}
|
|
|
|
uint64_t HELPER(mve_sqrshrl48)(CPUARMState *env, uint64_t n, uint32_t shift)
|
|
{
|
|
return do_sqrshl48_d(n, -(int8_t)shift, true, &env->QF);
|
|
}
|
|
|
|
uint64_t HELPER(mve_uqrshll48)(CPUARMState *env, uint64_t n, uint32_t shift)
|
|
{
|
|
return do_uqrshl48_d(n, (int8_t)shift, true, &env->QF);
|
|
}
|
|
|
|
uint32_t HELPER(mve_uqshl)(CPUARMState *env, uint32_t n, uint32_t shift)
|
|
{
|
|
return do_uqrshl_bhs(n, (int8_t)shift, 32, false, &env->QF);
|
|
}
|
|
|
|
uint32_t HELPER(mve_sqshl)(CPUARMState *env, uint32_t n, uint32_t shift)
|
|
{
|
|
return do_sqrshl_bhs(n, (int8_t)shift, 32, false, &env->QF);
|
|
}
|
|
|
|
uint32_t HELPER(mve_uqrshl)(CPUARMState *env, uint32_t n, uint32_t shift)
|
|
{
|
|
return do_uqrshl_bhs(n, (int8_t)shift, 32, true, &env->QF);
|
|
}
|
|
|
|
uint32_t HELPER(mve_sqrshr)(CPUARMState *env, uint32_t n, uint32_t shift)
|
|
{
|
|
return do_sqrshl_bhs(n, -(int8_t)shift, 32, true, &env->QF);
|
|
}
|
|
|
|
#define DO_VIDUP(OP, ESIZE, TYPE, FN) \
|
|
uint32_t HELPER(mve_##OP)(CPUARMState *env, void *vd, \
|
|
uint32_t offset, uint32_t imm) \
|
|
{ \
|
|
TYPE *d = vd; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
mergemask(&d[H##ESIZE(e)], offset, mask); \
|
|
offset = FN(offset, imm); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
return offset; \
|
|
}
|
|
|
|
#define DO_VIWDUP(OP, ESIZE, TYPE, FN) \
|
|
uint32_t HELPER(mve_##OP)(CPUARMState *env, void *vd, \
|
|
uint32_t offset, uint32_t wrap, \
|
|
uint32_t imm) \
|
|
{ \
|
|
TYPE *d = vd; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
mergemask(&d[H##ESIZE(e)], offset, mask); \
|
|
offset = FN(offset, wrap, imm); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
return offset; \
|
|
}
|
|
|
|
#define DO_VIDUP_ALL(OP, FN) \
|
|
DO_VIDUP(OP##b, 1, int8_t, FN) \
|
|
DO_VIDUP(OP##h, 2, int16_t, FN) \
|
|
DO_VIDUP(OP##w, 4, int32_t, FN)
|
|
|
|
#define DO_VIWDUP_ALL(OP, FN) \
|
|
DO_VIWDUP(OP##b, 1, int8_t, FN) \
|
|
DO_VIWDUP(OP##h, 2, int16_t, FN) \
|
|
DO_VIWDUP(OP##w, 4, int32_t, FN)
|
|
|
|
static uint32_t do_add_wrap(uint32_t offset, uint32_t wrap, uint32_t imm)
|
|
{
|
|
offset += imm;
|
|
if (offset == wrap) {
|
|
offset = 0;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static uint32_t do_sub_wrap(uint32_t offset, uint32_t wrap, uint32_t imm)
|
|
{
|
|
if (offset == 0) {
|
|
offset = wrap;
|
|
}
|
|
offset -= imm;
|
|
return offset;
|
|
}
|
|
|
|
DO_VIDUP_ALL(vidup, DO_ADD)
|
|
DO_VIWDUP_ALL(viwdup, do_add_wrap)
|
|
DO_VIWDUP_ALL(vdwdup, do_sub_wrap)
|
|
|
|
/*
|
|
* Vector comparison.
|
|
* P0 bits for non-executed beats (where eci_mask is 0) are unchanged.
|
|
* P0 bits for predicated lanes in executed beats (where mask is 0) are 0.
|
|
* P0 bits otherwise are updated with the results of the comparisons.
|
|
* We must also keep unchanged the MASK fields at the top of v7m.vpr.
|
|
*/
|
|
#define DO_VCMP(OP, ESIZE, TYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vn, void *vm) \
|
|
{ \
|
|
TYPE *n = vn, *m = vm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
uint16_t eci_mask = mve_eci_mask(env); \
|
|
uint16_t beatpred = 0; \
|
|
uint16_t emask = MAKE_64BIT_MASK(0, ESIZE); \
|
|
unsigned e; \
|
|
for (e = 0; e < 16 / ESIZE; e++) { \
|
|
bool r = FN(n[H##ESIZE(e)], m[H##ESIZE(e)]); \
|
|
/* Comparison sets 0/1 bits for each byte in the element */ \
|
|
beatpred |= r * emask; \
|
|
emask <<= ESIZE; \
|
|
} \
|
|
beatpred &= mask; \
|
|
env->v7m.vpr = (env->v7m.vpr & ~(uint32_t)eci_mask) | \
|
|
(beatpred & eci_mask); \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_VCMP_SCALAR(OP, ESIZE, TYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, void *vn, \
|
|
uint32_t rm) \
|
|
{ \
|
|
TYPE *n = vn; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
uint16_t eci_mask = mve_eci_mask(env); \
|
|
uint16_t beatpred = 0; \
|
|
uint16_t emask = MAKE_64BIT_MASK(0, ESIZE); \
|
|
unsigned e; \
|
|
for (e = 0; e < 16 / ESIZE; e++) { \
|
|
bool r = FN(n[H##ESIZE(e)], (TYPE)rm); \
|
|
/* Comparison sets 0/1 bits for each byte in the element */ \
|
|
beatpred |= r * emask; \
|
|
emask <<= ESIZE; \
|
|
} \
|
|
beatpred &= mask; \
|
|
env->v7m.vpr = (env->v7m.vpr & ~(uint32_t)eci_mask) | \
|
|
(beatpred & eci_mask); \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_VCMP_S(OP, FN) \
|
|
DO_VCMP(OP##b, 1, int8_t, FN) \
|
|
DO_VCMP(OP##h, 2, int16_t, FN) \
|
|
DO_VCMP(OP##w, 4, int32_t, FN) \
|
|
DO_VCMP_SCALAR(OP##_scalarb, 1, int8_t, FN) \
|
|
DO_VCMP_SCALAR(OP##_scalarh, 2, int16_t, FN) \
|
|
DO_VCMP_SCALAR(OP##_scalarw, 4, int32_t, FN)
|
|
|
|
#define DO_VCMP_U(OP, FN) \
|
|
DO_VCMP(OP##b, 1, uint8_t, FN) \
|
|
DO_VCMP(OP##h, 2, uint16_t, FN) \
|
|
DO_VCMP(OP##w, 4, uint32_t, FN) \
|
|
DO_VCMP_SCALAR(OP##_scalarb, 1, uint8_t, FN) \
|
|
DO_VCMP_SCALAR(OP##_scalarh, 2, uint16_t, FN) \
|
|
DO_VCMP_SCALAR(OP##_scalarw, 4, uint32_t, FN)
|
|
|
|
#define DO_EQ(N, M) ((N) == (M))
|
|
#define DO_NE(N, M) ((N) != (M))
|
|
#define DO_EQ(N, M) ((N) == (M))
|
|
#define DO_EQ(N, M) ((N) == (M))
|
|
#define DO_GE(N, M) ((N) >= (M))
|
|
#define DO_LT(N, M) ((N) < (M))
|
|
#define DO_GT(N, M) ((N) > (M))
|
|
#define DO_LE(N, M) ((N) <= (M))
|
|
|
|
DO_VCMP_U(vcmpeq, DO_EQ)
|
|
DO_VCMP_U(vcmpne, DO_NE)
|
|
DO_VCMP_U(vcmpcs, DO_GE)
|
|
DO_VCMP_U(vcmphi, DO_GT)
|
|
DO_VCMP_S(vcmpge, DO_GE)
|
|
DO_VCMP_S(vcmplt, DO_LT)
|
|
DO_VCMP_S(vcmpgt, DO_GT)
|
|
DO_VCMP_S(vcmple, DO_LE)
|
|
|
|
void HELPER(mve_vpsel)(CPUARMState *env, void *vd, void *vn, void *vm)
|
|
{
|
|
/*
|
|
* Qd[n] = VPR.P0[n] ? Qn[n] : Qm[n]
|
|
* but note that whether bytes are written to Qd is still subject
|
|
* to (all forms of) predication in the usual way.
|
|
*/
|
|
uint64_t *d = vd, *n = vn, *m = vm;
|
|
uint16_t mask = mve_element_mask(env);
|
|
uint16_t p0 = FIELD_EX32(env->v7m.vpr, V7M_VPR, P0);
|
|
unsigned e;
|
|
for (e = 0; e < 16 / 8; e++, mask >>= 8, p0 >>= 8) {
|
|
uint64_t r = m[H8(e)];
|
|
mergemask(&r, n[H8(e)], p0);
|
|
mergemask(&d[H8(e)], r, mask);
|
|
}
|
|
mve_advance_vpt(env);
|
|
}
|
|
|
|
void HELPER(mve_vpnot)(CPUARMState *env)
|
|
{
|
|
/*
|
|
* P0 bits for unexecuted beats (where eci_mask is 0) are unchanged.
|
|
* P0 bits for predicated lanes in executed bits (where mask is 0) are 0.
|
|
* P0 bits otherwise are inverted.
|
|
* (This is the same logic as VCMP.)
|
|
* This insn is itself subject to predication and to beat-wise execution,
|
|
* and after it executes VPT state advances in the usual way.
|
|
*/
|
|
uint16_t mask = mve_element_mask(env);
|
|
uint16_t eci_mask = mve_eci_mask(env);
|
|
uint16_t beatpred = ~env->v7m.vpr & mask;
|
|
env->v7m.vpr = (env->v7m.vpr & ~(uint32_t)eci_mask) | (beatpred & eci_mask);
|
|
mve_advance_vpt(env);
|
|
}
|
|
|
|
/*
|
|
* VCTP: P0 unexecuted bits unchanged, predicated bits zeroed,
|
|
* otherwise set according to value of Rn. The calculation of
|
|
* newmask here works in the same way as the calculation of the
|
|
* ltpmask in mve_element_mask(), but we have pre-calculated
|
|
* the masklen in the generated code.
|
|
*/
|
|
void HELPER(mve_vctp)(CPUARMState *env, uint32_t masklen)
|
|
{
|
|
uint16_t mask = mve_element_mask(env);
|
|
uint16_t eci_mask = mve_eci_mask(env);
|
|
uint16_t newmask;
|
|
|
|
assert(masklen <= 16);
|
|
newmask = masklen ? MAKE_64BIT_MASK(0, masklen) : 0;
|
|
newmask &= mask;
|
|
env->v7m.vpr = (env->v7m.vpr & ~(uint32_t)eci_mask) | (newmask & eci_mask);
|
|
mve_advance_vpt(env);
|
|
}
|
|
|
|
#define DO_1OP_SAT(OP, ESIZE, TYPE, FN) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, void *vd, void *vm) \
|
|
{ \
|
|
TYPE *d = vd, *m = vm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
bool qc = false; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
bool sat = false; \
|
|
mergemask(&d[H##ESIZE(e)], FN(m[H##ESIZE(e)], &sat), mask); \
|
|
qc |= sat & mask & 1; \
|
|
} \
|
|
if (qc) { \
|
|
env->vfp.qc[0] = qc; \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_VQABS_B(N, SATP) \
|
|
do_sat_bhs(DO_ABS((int64_t)N), INT8_MIN, INT8_MAX, SATP)
|
|
#define DO_VQABS_H(N, SATP) \
|
|
do_sat_bhs(DO_ABS((int64_t)N), INT16_MIN, INT16_MAX, SATP)
|
|
#define DO_VQABS_W(N, SATP) \
|
|
do_sat_bhs(DO_ABS((int64_t)N), INT32_MIN, INT32_MAX, SATP)
|
|
|
|
#define DO_VQNEG_B(N, SATP) do_sat_bhs(-(int64_t)N, INT8_MIN, INT8_MAX, SATP)
|
|
#define DO_VQNEG_H(N, SATP) do_sat_bhs(-(int64_t)N, INT16_MIN, INT16_MAX, SATP)
|
|
#define DO_VQNEG_W(N, SATP) do_sat_bhs(-(int64_t)N, INT32_MIN, INT32_MAX, SATP)
|
|
|
|
DO_1OP_SAT(vqabsb, 1, int8_t, DO_VQABS_B)
|
|
DO_1OP_SAT(vqabsh, 2, int16_t, DO_VQABS_H)
|
|
DO_1OP_SAT(vqabsw, 4, int32_t, DO_VQABS_W)
|
|
|
|
DO_1OP_SAT(vqnegb, 1, int8_t, DO_VQNEG_B)
|
|
DO_1OP_SAT(vqnegh, 2, int16_t, DO_VQNEG_H)
|
|
DO_1OP_SAT(vqnegw, 4, int32_t, DO_VQNEG_W)
|
|
|
|
/*
|
|
* VMAXA, VMINA: vd is unsigned; vm is signed, and we take its
|
|
* absolute value; we then do an unsigned comparison.
|
|
*/
|
|
#define DO_VMAXMINA(OP, ESIZE, STYPE, UTYPE, FN) \
|
|
void HELPER(mve_##OP)(CPUARMState *env, void *vd, void *vm) \
|
|
{ \
|
|
UTYPE *d = vd; \
|
|
STYPE *m = vm; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
UTYPE r = DO_ABS(m[H##ESIZE(e)]); \
|
|
r = FN(d[H##ESIZE(e)], r); \
|
|
mergemask(&d[H##ESIZE(e)], r, mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
DO_VMAXMINA(vmaxab, 1, int8_t, uint8_t, DO_MAX)
|
|
DO_VMAXMINA(vmaxah, 2, int16_t, uint16_t, DO_MAX)
|
|
DO_VMAXMINA(vmaxaw, 4, int32_t, uint32_t, DO_MAX)
|
|
DO_VMAXMINA(vminab, 1, int8_t, uint8_t, DO_MIN)
|
|
DO_VMAXMINA(vminah, 2, int16_t, uint16_t, DO_MIN)
|
|
DO_VMAXMINA(vminaw, 4, int32_t, uint32_t, DO_MIN)
|
|
|
|
/*
|
|
* 2-operand floating point. Note that if an element is partially
|
|
* predicated we must do the FP operation to update the non-predicated
|
|
* bytes, but we must be careful to avoid updating the FP exception
|
|
* state unless byte 0 of the element was unpredicated.
|
|
*/
|
|
#define DO_2OP_FP(OP, ESIZE, TYPE, FN) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, \
|
|
void *vd, void *vn, void *vm) \
|
|
{ \
|
|
TYPE *d = vd, *n = vn, *m = vm; \
|
|
TYPE r; \
|
|
uint16_t mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
float_status *fpst; \
|
|
float_status scratch_fpst; \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
if ((mask & MAKE_64BIT_MASK(0, ESIZE)) == 0) { \
|
|
continue; \
|
|
} \
|
|
fpst = (ESIZE == 2) ? &env->vfp.standard_fp_status_f16 : \
|
|
&env->vfp.standard_fp_status; \
|
|
if (!(mask & 1)) { \
|
|
/* We need the result but without updating flags */ \
|
|
scratch_fpst = *fpst; \
|
|
fpst = &scratch_fpst; \
|
|
} \
|
|
r = FN(n[H##ESIZE(e)], m[H##ESIZE(e)], fpst); \
|
|
mergemask(&d[H##ESIZE(e)], r, mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
#define DO_2OP_FP_ALL(OP, FN) \
|
|
DO_2OP_FP(OP##h, 2, float16, float16_##FN) \
|
|
DO_2OP_FP(OP##s, 4, float32, float32_##FN)
|
|
|
|
DO_2OP_FP_ALL(vfadd, add)
|
|
DO_2OP_FP_ALL(vfsub, sub)
|
|
DO_2OP_FP_ALL(vfmul, mul)
|
|
|
|
static inline float16 float16_abd(float16 a, float16 b, float_status *s)
|
|
{
|
|
return float16_abs(float16_sub(a, b, s));
|
|
}
|
|
|
|
static inline float32 float32_abd(float32 a, float32 b, float_status *s)
|
|
{
|
|
return float32_abs(float32_sub(a, b, s));
|
|
}
|
|
|
|
DO_2OP_FP_ALL(vfabd, abd)
|
|
DO_2OP_FP_ALL(vmaxnm, maxnum)
|
|
DO_2OP_FP_ALL(vminnm, minnum)
|
|
|
|
#define DO_VCADD_FP(OP, ESIZE, TYPE, FN0, FN1) \
|
|
void HELPER(glue(mve_, OP))(CPUARMState *env, \
|
|
void *vd, void *vn, void *vm) \
|
|
{ \
|
|
TYPE *d = vd, *n = vn, *m = vm; \
|
|
TYPE r[16 / ESIZE]; \
|
|
uint16_t tm, mask = mve_element_mask(env); \
|
|
unsigned e; \
|
|
float_status *fpst; \
|
|
float_status scratch_fpst; \
|
|
/* Calculate all results first to avoid overwriting inputs */ \
|
|
for (e = 0, tm = mask; e < 16 / ESIZE; e++, tm >>= ESIZE) { \
|
|
if ((tm & MAKE_64BIT_MASK(0, ESIZE)) == 0) { \
|
|
r[e] = 0; \
|
|
continue; \
|
|
} \
|
|
fpst = (ESIZE == 2) ? &env->vfp.standard_fp_status_f16 : \
|
|
&env->vfp.standard_fp_status; \
|
|
if (!(tm & 1)) { \
|
|
/* We need the result but without updating flags */ \
|
|
scratch_fpst = *fpst; \
|
|
fpst = &scratch_fpst; \
|
|
} \
|
|
if (!(e & 1)) { \
|
|
r[e] = FN0(n[H##ESIZE(e)], m[H##ESIZE(e + 1)], fpst); \
|
|
} else { \
|
|
r[e] = FN1(n[H##ESIZE(e)], m[H##ESIZE(e - 1)], fpst); \
|
|
} \
|
|
} \
|
|
for (e = 0; e < 16 / ESIZE; e++, mask >>= ESIZE) { \
|
|
mergemask(&d[H##ESIZE(e)], r[e], mask); \
|
|
} \
|
|
mve_advance_vpt(env); \
|
|
}
|
|
|
|
DO_VCADD_FP(vfcadd90h, 2, float16, float16_sub, float16_add)
|
|
DO_VCADD_FP(vfcadd90s, 4, float32, float32_sub, float32_add)
|
|
DO_VCADD_FP(vfcadd270h, 2, float16, float16_add, float16_sub)
|
|
DO_VCADD_FP(vfcadd270s, 4, float32, float32_add, float32_sub)
|