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Various rounding instructions.

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This commit is contained in:
Ben Vanik
2014-01-09 20:44:23 -08:00
parent 35ef6df1fc
commit 478781e0dc
3 changed files with 105 additions and 39 deletions
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36
src/alloy/frontend/ppc/ppc_emit_altivec.cc
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@@ -1183,13 +1183,17 @@ XEEMITTER(vrefp128, VX128_3(6, 1584), VX128_3)(PPCHIRBuilder& f, InstrData
return InstrEmit_vrefp_(f, VX128_3_VD128, VX128_3_VB128);
}
int InstrEmit_vrfim_(PPCHIRBuilder& f, uint32_t vd, uint32_t vb) {
// (VD) <- RndToFPInt32Floor(VB)
Value* v = f.Round(f.LoadVR(vb), ROUND_TO_MINUS_INFINITY);
f.StoreVR(vd, v);
return 0;
}
XEEMITTER(vrfim, 0x100002CA, VX )(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vrfim_(f, i.VX.VD, i.VX.VB);
}
XEEMITTER(vrfim128, VX128_3(6, 816), VX128_3)(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vrfim_(f, VX128_3_VD128, VX128_3_VB128);
}
int InstrEmit_vrfin_(PPCHIRBuilder& f, uint32_t vd, uint32_t vb) {
@@ -1205,22 +1209,30 @@ XEEMITTER(vrfin128, VX128_3(6, 880), VX128_3)(PPCHIRBuilder& f, InstrData
return InstrEmit_vrfin_(f, VX128_3_VD128, VX128_3_VB128);
}
int InstrEmit_vrfip_(PPCHIRBuilder& f, uint32_t vd, uint32_t vb) {
// (VD) <- RndToFPInt32Ceil(VB)
Value* v = f.Round(f.LoadVR(vb), ROUND_TO_POSITIVE_INFINITY);
f.StoreVR(vd, v);
return 0;
}
XEEMITTER(vrfip, 0x1000028A, VX )(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vrfip_(f, i.VX.VD, i.VX.VB);
}
XEEMITTER(vrfip128, VX128_3(6, 944), VX128_3)(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vrfip_(f, VX128_3_VD128, VX128_3_VB128);
}
int InstrEmit_vrfiz_(PPCHIRBuilder& f, uint32_t vd, uint32_t vb) {
// (VD) <- RndToFPInt32Trunc(VB)
Value* v = f.Round(f.LoadVR(vb), ROUND_TO_ZERO);
f.StoreVR(vd, v);
return 0;
}
XEEMITTER(vrfiz, 0x1000024A, VX )(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vrfiz_(f, i.VX.VD, i.VX.VB);
}
XEEMITTER(vrfiz128, VX128_3(6, 1008), VX128_3)(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vrfiz_(f, VX128_3_VD128, VX128_3_VB128);
}
XEEMITTER(vrlb, 0x10000004, VX )(PPCHIRBuilder& f, InstrData& i) {