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vcmpbfp

This commit is contained in:
Ben Vanik 2014-09-01 14:18:41 -07:00
parent c9229670db
commit ed61d025c1
1 changed files with 15 additions and 4 deletions
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19
src/alloy/frontend/ppc/ppc_emit_altivec.cc
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@ -554,12 +554,23 @@ XEEMITTER(vcfpuxws128, VX128_3(6, 624), VX128_3)(PPCHIRBuilder& f,
return InstrEmit_vctuxs_(f, VX128_3_VD128, VX128_3_VB128, VX128_3_IMM);
}
// vcmpbfp128 VT, VA, VB VT.u0 = ((VA.x < VB.x) << 31)| ((VA.x > -VB.x) << 30); ...; VT.u0 = ((VA.x > VB.x) << 31)| ((VA.x < -VB.x) << 30);
// vcmpbfp128. VT, VA, VB VT.u0 = ((VA.x < VB.x) << 31)| ((VA.x > -VB.x) << 30); ...; VT.u0 = ((VA.x > VB.x) << 31)| ((VA.x < -VB.x) << 30); CR0:4 = 0; CR0:5 = VT == 0; CR0:6 = CR0:7 = 0;
int InstrEmit_vcmpbfp_(PPCHIRBuilder& f, InstrData& i, uint32_t vd, uint32_t va,
uint32_t vb, uint32_t rc) {
XEINSTRNOTIMPLEMENTED();
return 1;
Value* va_value = f.LoadVR(va);
Value* vb_value = f.LoadVR(vb);
Value* gt = f.VectorCompareSGT(va_value, vb_value, FLOAT32_TYPE);
Value* lt =
f.Not(f.VectorCompareSGE(va_value, f.Neg(vb_value), FLOAT32_TYPE));
Value* v = f.Or(f.And(gt, f.LoadConstant(vec128i(0x80000000, 0x80000000,
0x80000000, 0x80000000))),
f.And(lt, f.LoadConstant(vec128i(0x40000000, 0x40000000,
0x40000000, 0x40000000))));
f.StoreVR(vd, v);
if (rc) {
// CR0:4 = 0; CR0:5 = VT == 0; CR0:6 = CR0:7 = 0;
assert_always();
}
return 0;
}
XEEMITTER(vcmpbfp, 0x100003C6, VXR)(PPCHIRBuilder& f, InstrData& i) {
return InstrEmit_vcmpbfp_(f, i, i.VXR.VD, i.VXR.VA, i.VXR.VB, i.VXR.Rc);