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shader: Simplify code for local memory

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ReinUsesLisp 2021-04-19 16:36:17 -03:00 committed by ameerj
parent 7018e524f5
commit 469f8bb857
1 changed files with 11 additions and 6 deletions
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17
src/shader_recompiler/frontend/maxwell/translate/impl/load_store_local_shared.cpp
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@ -34,6 +34,15 @@ IR::U32 Offset(TranslatorVisitor& v, u64 insn) {
}
}
std::pair<IR::U32, IR::U32> WordOffset(TranslatorVisitor& v, u64 insn) {
const IR::U32 offset{Offset(v, insn)};
if (offset.IsImmediate()) {
return {v.ir.Imm32(offset.U32() / 4), offset};
} else {
return {v.ir.ShiftRightArithmetic(offset, v.ir.Imm32(2)), offset};
}
}
std::pair<int, bool> GetSize(u64 insn) {
union {
u64 raw;
@ -79,9 +88,7 @@ IR::U32 ShortOffset(IR::IREmitter& ir, const IR::U32& offset) {
} // Anonymous namespace
void TranslatorVisitor::LDL(u64 insn) {
const IR::U32 offset{Offset(*this, insn)};
const IR::U32 word_offset{ir.ShiftRightArithmetic(offset, ir.Imm32(2))};
const auto [word_offset, offset]{WordOffset(*this, insn)};
const IR::Reg dest{Reg(insn)};
const auto [bit_size, is_signed]{GetSize(insn)};
switch (bit_size) {
@ -133,9 +140,7 @@ void TranslatorVisitor::LDS(u64 insn) {
}
void TranslatorVisitor::STL(u64 insn) {
const IR::U32 offset{Offset(*this, insn)};
const IR::U32 word_offset{ir.ShiftRightArithmetic(offset, ir.Imm32(2))};
const auto [word_offset, offset]{WordOffset(*this, insn)};
const IR::Reg reg{Reg(insn)};
const IR::U32 src{X(reg)};
const int bit_size{GetSize(insn).first};