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target-ppc: Altivec 2.07: Vector Merge Instructions 

This patch adds the Vector Merge Even Word (vmrgew) and Vector
Merge Odd Word (vmrgow) instructions introduced in Power ISA
Version 2.07.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Tom Musta 2014-02-12 15:23:08 -06:00 committed by Alexander Graf
parent 4430e07663
commit e0ffe77f27
1 changed files with 37 additions and 0 deletions
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37
target-ppc/translate.c
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@ -6965,6 +6965,41 @@ GEN_VXFORM(vmrghw, 6, 2);
GEN_VXFORM(vmrglb, 6, 4);
GEN_VXFORM(vmrglh, 6, 5);
GEN_VXFORM(vmrglw, 6, 6);
static void gen_vmrgew(DisasContext *ctx)
{
TCGv_i64 tmp;
int VT, VA, VB;
if (unlikely(!ctx->altivec_enabled)) {
gen_exception(ctx, POWERPC_EXCP_VPU);
return;
}
VT = rD(ctx->opcode);
VA = rA(ctx->opcode);
VB = rB(ctx->opcode);
tmp = tcg_temp_new_i64();
tcg_gen_shri_i64(tmp, cpu_avrh[VB], 32);
tcg_gen_deposit_i64(cpu_avrh[VT], cpu_avrh[VA], tmp, 0, 32);
tcg_gen_shri_i64(tmp, cpu_avrl[VB], 32);
tcg_gen_deposit_i64(cpu_avrl[VT], cpu_avrl[VA], tmp, 0, 32);
tcg_temp_free_i64(tmp);
}
static void gen_vmrgow(DisasContext *ctx)
{
int VT, VA, VB;
if (unlikely(!ctx->altivec_enabled)) {
gen_exception(ctx, POWERPC_EXCP_VPU);
return;
}
VT = rD(ctx->opcode);
VA = rA(ctx->opcode);
VB = rB(ctx->opcode);
tcg_gen_deposit_i64(cpu_avrh[VT], cpu_avrh[VB], cpu_avrh[VA], 32, 32);
tcg_gen_deposit_i64(cpu_avrl[VT], cpu_avrl[VB], cpu_avrl[VA], 32, 32);
}
GEN_VXFORM(vmuloub, 4, 0);
GEN_VXFORM(vmulouh, 4, 1);
GEN_VXFORM(vmulouw, 4, 2);
@ -10407,6 +10442,8 @@ GEN_VXFORM(vmrghw, 6, 2),
GEN_VXFORM(vmrglb, 6, 4),
GEN_VXFORM(vmrglh, 6, 5),
GEN_VXFORM(vmrglw, 6, 6),
GEN_VXFORM_207(vmrgew, 6, 30),
GEN_VXFORM_207(vmrgow, 6, 26),
GEN_VXFORM(vmuloub, 4, 0),
GEN_VXFORM(vmulouh, 4, 1),
GEN_VXFORM_DUAL(vmulouw, vmuluwm, 4, 2, PPC_ALTIVEC, PPC_NONE),