target-ppc: add vclzlsbb/vctzlsbb instructions
The following vector instructions are added from ISA 3.0. vclzlsbb - Vector Count Leading Zero Least-Significant Bits Byte vctzlsbb - Vector Count Trailing Zero Least-Significant Bits Byte Signed-off-by: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
parent
0fa5936434
commit
4879538c99
|
@ -343,6 +343,8 @@ DEF_HELPER_2(vpopcntb, void, avr, avr)
|
|||
DEF_HELPER_2(vpopcnth, void, avr, avr)
|
||||
DEF_HELPER_2(vpopcntw, void, avr, avr)
|
||||
DEF_HELPER_2(vpopcntd, void, avr, avr)
|
||||
DEF_HELPER_1(vclzlsbb, tl, avr)
|
||||
DEF_HELPER_1(vctzlsbb, tl, avr)
|
||||
DEF_HELPER_3(vbpermd, void, avr, avr, avr)
|
||||
DEF_HELPER_3(vbpermq, void, avr, avr, avr)
|
||||
DEF_HELPER_2(vgbbd, void, avr, avr)
|
||||
|
|
|
@ -881,6 +881,36 @@ VCT(uxs, cvtsduw, u32)
|
|||
VCT(sxs, cvtsdsw, s32)
|
||||
#undef VCT
|
||||
|
||||
target_ulong helper_vclzlsbb(ppc_avr_t *r)
|
||||
{
|
||||
target_ulong count = 0;
|
||||
int i;
|
||||
VECTOR_FOR_INORDER_I(i, u8) {
|
||||
if (r->u8[i] & 0x01) {
|
||||
break;
|
||||
}
|
||||
count++;
|
||||
}
|
||||
return count;
|
||||
}
|
||||
|
||||
target_ulong helper_vctzlsbb(ppc_avr_t *r)
|
||||
{
|
||||
target_ulong count = 0;
|
||||
int i;
|
||||
#if defined(HOST_WORDS_BIGENDIAN)
|
||||
for (i = ARRAY_SIZE(r->u8) - 1; i >= 0; i--) {
|
||||
#else
|
||||
for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
|
||||
#endif
|
||||
if (r->u8[i] & 0x01) {
|
||||
break;
|
||||
}
|
||||
count++;
|
||||
}
|
||||
return count;
|
||||
}
|
||||
|
||||
void helper_vmhaddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
|
||||
ppc_avr_t *b, ppc_avr_t *c)
|
||||
{
|
||||
|
|
|
@ -593,6 +593,18 @@ static void glue(gen_, name)(DisasContext *ctx) \
|
|||
tcg_temp_free_ptr(rd); \
|
||||
}
|
||||
|
||||
#define GEN_VXFORM_NOA_3(name, opc2, opc3, opc4) \
|
||||
static void glue(gen_, name)(DisasContext *ctx) \
|
||||
{ \
|
||||
TCGv_ptr rb; \
|
||||
if (unlikely(!ctx->altivec_enabled)) { \
|
||||
gen_exception(ctx, POWERPC_EXCP_VPU); \
|
||||
return; \
|
||||
} \
|
||||
rb = gen_avr_ptr(rB(ctx->opcode)); \
|
||||
gen_helper_##name(cpu_gpr[rD(ctx->opcode)], rb); \
|
||||
tcg_temp_free_ptr(rb); \
|
||||
}
|
||||
GEN_VXFORM_NOA(vupkhsb, 7, 8);
|
||||
GEN_VXFORM_NOA(vupkhsh, 7, 9);
|
||||
GEN_VXFORM_NOA(vupkhsw, 7, 25);
|
||||
|
@ -807,6 +819,8 @@ GEN_VXFORM_NOA_2(vctzb, 1, 24, 28)
|
|||
GEN_VXFORM_NOA_2(vctzh, 1, 24, 29)
|
||||
GEN_VXFORM_NOA_2(vctzw, 1, 24, 30)
|
||||
GEN_VXFORM_NOA_2(vctzd, 1, 24, 31)
|
||||
GEN_VXFORM_NOA_3(vclzlsbb, 1, 24, 0)
|
||||
GEN_VXFORM_NOA_3(vctzlsbb, 1, 24, 1)
|
||||
GEN_VXFORM_NOA(vpopcntb, 1, 28)
|
||||
GEN_VXFORM_NOA(vpopcnth, 1, 29)
|
||||
GEN_VXFORM_NOA(vpopcntw, 1, 30)
|
||||
|
|
|
@ -219,6 +219,8 @@ GEN_VXFORM_300_EO(vctzb, 0x01, 0x18, 0x1C),
|
|||
GEN_VXFORM_300_EO(vctzh, 0x01, 0x18, 0x1D),
|
||||
GEN_VXFORM_300_EO(vctzw, 0x01, 0x18, 0x1E),
|
||||
GEN_VXFORM_300_EO(vctzd, 0x01, 0x18, 0x1F),
|
||||
GEN_VXFORM_300_EO(vclzlsbb, 0x01, 0x18, 0x0),
|
||||
GEN_VXFORM_300_EO(vctzlsbb, 0x01, 0x18, 0x1),
|
||||
GEN_VXFORM_300(vpermr, 0x1D, 0xFF),
|
||||
|
||||
#define GEN_VXFORM_NOA(name, opc2, opc3) \
|
||||
|
|
Loading…
Reference in a new issue