Suyu/dynarmic
1
0
Fork 0
mirror of https://git.suyu.dev/suyu/dynarmic.git synced 2026-01-06 22:48:25 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

A32: Implement ASIMD VRECPE

Browse source
This commit is contained in:
MerryMage 2020-06-20 15:07:06 +01:00
parent d3dc50d718
commit 6f59c2cd8e
8 changed files with 47 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

17
src/backend/x64/emit_x64_vector_floating_point.cpp
View file

@ -378,11 +378,12 @@ void EmitThreeOpVectorOperation(BlockOfCode& code, EmitContext& ctx, IR::Inst* i
ctx.reg_alloc.DefineValue(inst, result);
}
template<typename Lambda>
template<FpcrControlledArgument fcarg = FpcrControlledArgument::Absent, typename Lambda>
void EmitTwoOpFallback(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, Lambda lambda) {
const auto fn = static_cast<mp::equivalent_function_type<Lambda>*>(lambda);
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
const bool fpcr_controlled = fcarg == FpcrControlledArgument::Absent || args[1].GetImmediateU1();
const Xbyak::Xmm arg1 = ctx.reg_alloc.UseXmm(args[0]);
const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
ctx.reg_alloc.EndOfAllocScope();
@ -392,7 +393,7 @@ void EmitTwoOpFallback(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, Lamb
code.sub(rsp, stack_space + ABI_SHADOW_SPACE);
code.lea(code.ABI_PARAM1, ptr[rsp + ABI_SHADOW_SPACE + 0 * 16]);
code.lea(code.ABI_PARAM2, ptr[rsp + ABI_SHADOW_SPACE + 1 * 16]);
code.mov(code.ABI_PARAM3.cvt32(), ctx.FPCR().Value());
code.mov(code.ABI_PARAM3.cvt32(), ctx.FPCR(fpcr_controlled).Value());
code.lea(code.ABI_PARAM4, code.ptr[code.r15 + code.GetJitStateInfo().offsetof_fpsr_exc]);
code.movaps(xword[code.ABI_PARAM2], arg1);
@ -1144,7 +1145,7 @@ void EmitX64::EmitFPVectorPairedAddLower64(EmitContext& ctx, IR::Inst* inst) {
template<typename FPT>
static void EmitRecipEstimate(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst) {
EmitTwoOpFallback(code, ctx, inst, [](VectorArray<FPT>& result, const VectorArray<FPT>& operand, FP::FPCR fpcr, FP::FPSR& fpsr) {
EmitTwoOpFallback<FpcrControlledArgument::Present>(code, ctx, inst, [](VectorArray<FPT>& result, const VectorArray<FPT>& operand, FP::FPCR fpcr, FP::FPSR& fpsr) {
for (size_t i = 0; i < result.size(); i++) {
result[i] = FP::FPRecipEstimate<FPT>(operand[i], fpcr, fpsr);
}
@ -1188,12 +1189,12 @@ static void EmitRecipStepFused(BlockOfCode& code, EmitContext& ctx, IR::Inst* in
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);
code.jnz(fallback, code.T_NEAR);
code.L(end);
FCODE(vcmpunordp)(tmp, result, result);
code.vptest(tmp, tmp);
code.jnz(fallback, code.T_NEAR);
code.L(end);
});
code.SwitchToFarCode();
code.L(fallback);