https://bugs.llvm.org/show_bug.cgi?id=39535
Bug ID: 39535
Summary: missing float optimization
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected]
float test(float x)
{
return x ? 0 : x;
}
produces:
vxorps xmm1, xmm1, xmm1
vcmpeqss xmm1, xmm0, xmm1
vandps xmm0, xmm1, xmm0
gcc and icc give:
vxorps xmm0, xmm0, xmm0
https://gcc.godbolt.org/z/SA0HsT
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