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A32: Implement ASIMD VRECPS

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This commit is contained in:
MerryMage 2020-06-20 14:39:05 +01:00
parent 9eef4f7471
commit 8f506c80c3
7 changed files with 23 additions and 13 deletions
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11
src/backend/x64/emit_x64_vector_floating_point.cpp
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@ -1176,6 +1176,7 @@ static void EmitRecipStepFused(BlockOfCode& code, EmitContext& ctx, IR::Inst* in
if constexpr (fsize != 16) {
if (code.HasFMA() && code.HasAVX()) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
const bool fpcr_controlled = args[2].GetImmediateU1();
const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
const Xbyak::Xmm operand1 = ctx.reg_alloc.UseXmm(args[0]);
@ -1184,8 +1185,10 @@ static void EmitRecipStepFused(BlockOfCode& code, EmitContext& ctx, IR::Inst* in
Xbyak::Label end, fallback;
code.movaps(result, GetVectorOf<fsize, false, 0, 2>(code));
FCODE(vfnmadd231p)(result, operand1, operand2);
MaybeStandardFPSCRValue(code, ctx, fpcr_controlled, [&]{
code.movaps(result, GetVectorOf<fsize, false, 0, 2>(code));
FCODE(vfnmadd231p)(result, operand1, operand2);
});
FCODE(vcmpunordp)(tmp, result, result);
code.vptest(tmp, tmp);
@ -1196,7 +1199,7 @@ static void EmitRecipStepFused(BlockOfCode& code, EmitContext& ctx, IR::Inst* in
code.L(fallback);
code.sub(rsp, 8);
ABI_PushCallerSaveRegistersAndAdjustStackExcept(code, HostLocXmmIdx(result.getIdx()));
EmitThreeOpFallbackWithoutRegAlloc(code, ctx, result, operand1, operand2, fallback_fn);
EmitThreeOpFallbackWithoutRegAlloc(code, ctx, result, operand1, operand2, fallback_fn, fpcr_controlled);
ABI_PopCallerSaveRegistersAndAdjustStackExcept(code, HostLocXmmIdx(result.getIdx()));
code.add(rsp, 8);
code.jmp(end, code.T_NEAR);
@ -1207,7 +1210,7 @@ static void EmitRecipStepFused(BlockOfCode& code, EmitContext& ctx, IR::Inst* in
}
}
EmitThreeOpFallback(code, ctx, inst, fallback_fn);
EmitThreeOpFallback<FpcrControlledArgument::Present>(code, ctx, inst, fallback_fn);
}
void EmitX64::EmitFPVectorRecipStepFused16(EmitContext& ctx, IR::Inst* inst) {