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JIT: Avoid overriding argument register with 'jmp' epilog #114899

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Apr 23, 2025
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JIT: Avoid overriding argument register with 'jmp' epilog #114899

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2 changes: 1 addition & 1 deletion src/coreclr/jit/codegenxarch.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -10643,7 +10643,7 @@ void CodeGen::genFnEpilog(BasicBlock* block)
// do nothing before popping the callee-saved registers
}
#ifdef TARGET_X86
else if (compiler->compLclFrameSize == REGSIZE_BYTES)
else if ((compiler->compLclFrameSize == REGSIZE_BYTES) && !compiler->compJmpOpUsed)
{
// "pop ecx" will make ESP point to the callee-saved registers
inst_RV(INS_pop, REG_ECX, TYP_I_IMPL);
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