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Long jumps for condition and loops

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This commit is contained in:
Lander Gallastegi 2025-04-10 09:11:30 +02:00
parent a921e290c1
commit 0885dc733f
1 changed files with 5 additions and 9 deletions
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14
src/shader_recompiler/backend/asm_x64/emit_x64.cpp
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@ -15,24 +15,20 @@ using namespace Xbyak::util;
namespace {
static void EmitCondition(EmitContext& ctx, const IR::Inst* ref, Label& label, bool invert) {
CodeGenerator& c = ctx.Code();
IR::Value cond = ref->Arg(0);
if (cond.IsImmediate()) {
// If imediate, we evaluate at compile time
if (cond.U1() != invert) {
ctx.Code().jmp(label);
c.jmp(label, CodeGenerator::LabelType::T_NEAR);
}
} else {
const OperandHolder& op = ctx.Def(cond.InstRecursive())[0];
if (op.IsReg()) {
Reg8 reg = op.Reg().cvt8();
ctx.Code().test(reg, reg);
} else {
ctx.Code().test(op.Mem(), 0xff);
}
c.test(op.Op(), 0x1);
if (invert) {
ctx.Code().jz(label);
c.jz(label, CodeGenerator::LabelType::T_NEAR);
} else {
ctx.Code().jnz(label);
c.jnz(label, CodeGenerator::LabelType::T_NEAR);
}
}
}