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vctsxs, vctuxs.

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This commit is contained in:
Ben Vanik
2014-01-09 21:20:03 -08:00
parent 478781e0dc
commit 2980a30f30
5 changed files with 90 additions and 19 deletions
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40
src/alloy/frontend/ppc/ppc_emit_altivec.cc
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@@ -536,24 +536,38 @@ XEEMITTER(vcuxwfp128, VX128_3(6, 752), VX128_3)(PPCHIRBuilder& f, InstrData
return InstrEmit_vcfux_(f, VX128_3_VD128, VX128_3_VB128, VX128_3_IMM);
}
XEEMITTER(vcfpsxws128, VX128_3(6, 560), VX128_3)(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
int InstrEmit_vctsxs_(PPCHIRBuilder& f, uint32_t vd, uint32_t vb, uint32_t uimm) {
// (VD) <- int_sat(VB as signed * 2^uimm)
uimm = uimm ? (2 << (uimm - 1)) : 1;
Value* v = f.Mul(
f.LoadVR(vb),
f.Splat(f.LoadConstant((float)uimm), VEC128_TYPE));
v = f.VectorConvertF2I(v, ARITHMETIC_SATURATE);
f.StoreVR(vd, v);
return 0;
}
XEEMITTER(vcfpuxws128, VX128_3(6, 624), VX128_3)(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
}
XEEMITTER(vctsxs, 0x100003CA, VX )(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vctsxs_(f, i.VX.VD, i.VX.VB, i.VX.VA);
}
XEEMITTER(vcfpsxws128, VX128_3(6, 560), VX128_3)(PPCHIRBuilder& f, InstrData& i) {
return InstrEmit_vctsxs_(f, VX128_3_VD128, VX128_3_VB128, VX128_3_IMM);
}
int InstrEmit_vctuxs_(PPCHIRBuilder& f, uint32_t vd, uint32_t vb, uint32_t uimm) {
// (VD) <- int_sat(VB as unsigned * 2^uimm)
uimm = uimm ? (2 << (uimm - 1)) : 1;
Value* v = f.Mul(
f.LoadVR(vb),
f.Splat(f.LoadConstant((float)uimm), VEC128_TYPE));
v = f.VectorConvertF2I(v, ARITHMETIC_UNSIGNED | ARITHMETIC_SATURATE);
f.StoreVR(vd, v);
return 0;
}
XEEMITTER(vctuxs, 0x1000038A, VX )(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vctuxs_(f, i.VX.VD, i.VX.VB, i.VX.VA);
}
XEEMITTER(vcfpuxws128, VX128_3(6, 624), VX128_3)(PPCHIRBuilder& f, InstrData& i) {
return InstrEmit_vctuxs_(f, VX128_3_VD128, VX128_3_VB128, VX128_3_IMM);
}
int InstrEmit_vcmpbfp_(PPCHIRBuilder& f, InstrData& i, uint32_t vd, uint32_t va, uint32_t vb, uint32_t rc) {