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target-ppc: add vmul10[u,eu,cu,ecu]q instructions

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vmul10uq  : Vector Multiply-by-10 Unsigned Quadword VX-form
vmul10euq : Vector Multiply-by-10 Extended Unsigned Quadword VX-form
vmul10cuq : Vector Multiply-by-10 & write Carry Unsigned Quadword VX-form
vmul10ecuq: Vector Multiply-by-10 Extended & write Carry Unsigned Quadword VX-form

Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
[ Add GEN_VXFORM_DUAL_EXT with invalid bit mask ]
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Vasant Hegde 2016-10-24 14:44:58 +05:30 committed by David Gibson
parent 3495b6b610
commit 37ad52ba7a
2 changed files with 76 additions and 4 deletions
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72
target-ppc/translate/vmx-impl.inc.c
View file

@ -182,6 +182,52 @@ static void gen_mtvscr(DisasContext *ctx)
tcg_temp_free_ptr(p);
}
#define GEN_VX_VMUL10(name, add_cin, ret_carry) \
static void glue(gen_, name)(DisasContext *ctx) \
{ \
TCGv_i64 t0 = tcg_temp_new_i64(); \
TCGv_i64 t1 = tcg_temp_new_i64(); \
TCGv_i64 t2 = tcg_temp_new_i64(); \
TCGv_i64 ten, z; \
\
if (unlikely(!ctx->altivec_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_VPU); \
return; \
} \
\
ten = tcg_const_i64(10); \
z = tcg_const_i64(0); \
\
if (add_cin) { \
tcg_gen_mulu2_i64(t0, t1, cpu_avrl[rA(ctx->opcode)], ten); \
tcg_gen_andi_i64(t2, cpu_avrl[rB(ctx->opcode)], 0xF); \
tcg_gen_add2_i64(cpu_avrl[rD(ctx->opcode)], t2, t0, t1, t2, z); \
} else { \
tcg_gen_mulu2_i64(cpu_avrl[rD(ctx->opcode)], t2, \
cpu_avrl[rA(ctx->opcode)], ten); \
} \
\
if (ret_carry) { \
tcg_gen_mulu2_i64(t0, t1, cpu_avrh[rA(ctx->opcode)], ten); \
tcg_gen_add2_i64(t0, cpu_avrl[rD(ctx->opcode)], t0, t1, t2, z); \
tcg_gen_movi_i64(cpu_avrh[rD(ctx->opcode)], 0); \
} else { \
tcg_gen_mul_i64(t0, cpu_avrh[rA(ctx->opcode)], ten); \
tcg_gen_add_i64(cpu_avrh[rD(ctx->opcode)], t0, t2); \
} \
\
tcg_temp_free_i64(t0); \
tcg_temp_free_i64(t1); \
tcg_temp_free_i64(t2); \
tcg_temp_free_i64(ten); \
tcg_temp_free_i64(z); \
} \
GEN_VX_VMUL10(vmul10uq, 0, 0);
GEN_VX_VMUL10(vmul10euq, 1, 0);
GEN_VX_VMUL10(vmul10cuq, 0, 1);
GEN_VX_VMUL10(vmul10ecuq, 1, 1);
/* Logical operations */
#define GEN_VX_LOGICAL(name, tcg_op, opc2, opc3) \
static void glue(gen_, name)(DisasContext *ctx) \
@ -276,8 +322,30 @@ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \
} \
}
/* Adds support to provide invalid mask */
#define GEN_VXFORM_DUAL_EXT(name0, flg0, flg2_0, inval0, \
name1, flg1, flg2_1, inval1) \
static void glue(gen_, name0##_##name1)(DisasContext *ctx) \
{ \
if ((Rc(ctx->opcode) == 0) && \
((ctx->insns_flags & flg0) || (ctx->insns_flags2 & flg2_0)) && \
!(ctx->opcode & inval0)) { \
gen_##name0(ctx); \
} else if ((Rc(ctx->opcode) == 1) && \
((ctx->insns_flags & flg1) || (ctx->insns_flags2 & flg2_1)) && \
!(ctx->opcode & inval1)) { \
gen_##name1(ctx); \
} else { \
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
} \
}
GEN_VXFORM(vaddubm, 0, 0);
GEN_VXFORM_DUAL_EXT(vaddubm, PPC_ALTIVEC, PPC_NONE, 0, \
vmul10cuq, PPC_NONE, PPC2_ISA300, 0x0000F800)
GEN_VXFORM(vadduhm, 0, 1);
GEN_VXFORM_DUAL(vadduhm, PPC_ALTIVEC, PPC_NONE, \
vmul10ecuq, PPC_NONE, PPC2_ISA300)
GEN_VXFORM(vadduwm, 0, 2);
GEN_VXFORM(vaddudm, 0, 3);
GEN_VXFORM(vsububm, 0, 16);
@ -390,7 +458,11 @@ GEN_VXFORM(vsro, 6, 17);
GEN_VXFORM(vaddcuw, 0, 6);
GEN_VXFORM(vsubcuw, 0, 22);
GEN_VXFORM_ENV(vaddubs, 0, 8);
GEN_VXFORM_DUAL_EXT(vaddubs, PPC_ALTIVEC, PPC_NONE, 0, \
vmul10uq, PPC_NONE, PPC2_ISA300, 0x0000F800)
GEN_VXFORM_ENV(vadduhs, 0, 9);
GEN_VXFORM_DUAL(vadduhs, PPC_ALTIVEC, PPC_NONE, \
vmul10euq, PPC_NONE, PPC2_ISA300)
GEN_VXFORM_ENV(vadduws, 0, 10);
GEN_VXFORM_ENV(vaddsbs, 0, 12);
GEN_VXFORM_ENV(vaddshs, 0, 13);

8
target-ppc/translate/vmx-ops.inc.c
View file

@ -55,8 +55,8 @@ GEN_HANDLER_E(name0##_##name1, 0x4, opc2, opc3, 0x00000000, type0, type1)
GEN_HANDLER_E(name0##_##name1, 0x4, opc2, opc3, 0x00000000, tp0, tp1), \
GEN_HANDLER_E(name0##_##name1, 0x4, opc2, (opc3 | 0x10), 0x00000000, tp0, tp1),
GEN_VXFORM(vaddubm, 0, 0),
GEN_VXFORM(vadduhm, 0, 1),
GEN_VXFORM_DUAL(vaddubm, vmul10cuq, 0, 0, PPC_ALTIVEC, PPC_NONE),
GEN_VXFORM_DUAL(vadduhm, vmul10ecuq, 0, 1, PPC_ALTIVEC, PPC_NONE),
GEN_VXFORM(vadduwm, 0, 2),
GEN_VXFORM_207(vaddudm, 0, 3),
GEN_VXFORM_DUAL(vsububm, bcdadd, 0, 16, PPC_ALTIVEC, PPC_NONE),
@ -123,8 +123,8 @@ GEN_VXFORM(vslo, 6, 16),
GEN_VXFORM(vsro, 6, 17),
GEN_VXFORM(vaddcuw, 0, 6),
GEN_VXFORM(vsubcuw, 0, 22),
GEN_VXFORM(vaddubs, 0, 8),
GEN_VXFORM(vadduhs, 0, 9),
GEN_VXFORM_DUAL(vaddubs, vmul10uq, 0, 8, PPC_ALTIVEC, PPC_NONE),
GEN_VXFORM_DUAL(vadduhs, vmul10euq, 0, 9, PPC_ALTIVEC, PPC_NONE),
GEN_VXFORM(vadduws, 0, 10),
GEN_VXFORM(vaddsbs, 0, 12),
GEN_VXFORM(vaddshs, 0, 13),