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POW2/LOG2 for vexptefp/vlogefp.

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This commit is contained in:
Ben Vanik
2014-01-06 18:13:16 -08:00
parent de113a4a05
commit 3dcbcce38d
7 changed files with 128 additions and 10 deletions
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28
src/alloy/frontend/ppc/ppc_emit_altivec.cc
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@@ -703,22 +703,30 @@ XEEMITTER(vctuxs, 0x1000038A, VX )(PPCHIRBuilder& f, InstrData& i) {
return 1;
}
int InstrEmit_vexptefp_(PPCHIRBuilder& f, uint32_t vd, uint32_t vb) {
// (VD) <- pow2(VB)
Value* v = f.Pow2(f.LoadVR(vb));
f.StoreVR(vd, v);
return 0;
}
XEEMITTER(vexptefp, 0x1000018A, VX )(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vexptefp_(f, i.VX.VD, i.VX.VB);
}
XEEMITTER(vexptefp128, VX128_3(6, 1712), VX128_3)(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vexptefp_(f, VX128_3_VD128, VX128_3_VB128);
}
int InstrEmit_vlogefp_(PPCHIRBuilder& f, uint32_t vd, uint32_t vb) {
// (VD) <- log2(VB)
Value* v = f.Log2(f.LoadVR(vb));
f.StoreVR(vd, v);
return 0;
}
XEEMITTER(vlogefp, 0x100001CA, VX )(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vlogefp_(f, i.VX.VD, i.VX.VB);
}
XEEMITTER(vlogefp128, VX128_3(6, 1776), VX128_3)(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vlogefp_(f, VX128_3_VD128, VX128_3_VB128);
}
int InstrEmit_vmaddfp_(PPCHIRBuilder& f, uint32_t vd, uint32_t va, uint32_t vb, uint32_t vc) {
@@ -1158,7 +1166,7 @@ XEEMITTER(vpkd3d128, VX128_4(6, 1552), VX128_4)(PPCHIRBuilder& f, InstrData
int InstrEmit_vrefp_(PPCHIRBuilder& f, uint32_t vd, uint32_t vb) {
// (VD) <- 1/(VB)
vec128_t one = { 1, 1, 1, 1 };
Value* v = f.Div(f.LoadConstant(one), f.LoadVR(vd));
Value* v = f.Div(f.LoadConstant(one), f.LoadVR(vb));
f.StoreVR(vd, v);
return 0;
}
@@ -1180,7 +1188,7 @@ XEEMITTER(vrfim128, VX128_3(6, 816), VX128_3)(PPCHIRBuilder& f, InstrData
int InstrEmit_vrfin_(PPCHIRBuilder& f, uint32_t vd, uint32_t vb) {
// (VD) <- RoundToNearest(VB)
Value* v = f.Round(f.LoadVR(vd), ROUND_TO_NEAREST);
Value* v = f.Round(f.LoadVR(vb), ROUND_TO_NEAREST);
f.StoreVR(vd, v);
return 0;
}