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[x64] Fix mismatched operand sizes in CNTLZ fallback

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This commit is contained in:
Herman S.
2026-01-25 02:08:33 +09:00
parent 88b0aea272
commit f95ebb9c55
1 changed files with 4 additions and 4 deletions
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8
src/xenia/cpu/backend/x64/x64_sequences.cc
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@@ -3150,12 +3150,12 @@ struct CNTLZ_I32 : Sequence<CNTLZ_I32, I<OPCODE_CNTLZ, I8Op, I32Op>> {
Xbyak::Label end;
e.inLocalLabel();
e.bsr(e.rax, i.src1); // ZF set if i.src1 is 0
e.bsr(e.eax, i.src1); // ZF set if i.src1 is 0
e.mov(i.dest, 0x20);
e.jz(end);
e.xor_(e.rax, 0x1F);
e.mov(i.dest, e.rax);
e.xor_(e.eax, 0x1F);
e.mov(i.dest, e.al);
e.L(end);
e.outLocalLabel();
@@ -3175,7 +3175,7 @@ struct CNTLZ_I64 : Sequence<CNTLZ_I64, I<OPCODE_CNTLZ, I8Op, I64Op>> {
e.jz(end);
e.xor_(e.rax, 0x3F);
e.mov(i.dest, e.rax);
e.mov(i.dest, e.al);
e.L(end);
e.outLocalLabel();