https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97968
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[11 Regression] Unnecessary |[12 Regression] Unnecessary
|mov instruction with |mov instruction with
|comparison and cmov |comparison and cmov
Target Milestone|11.5 |12.5
Known to fail| |11.5.0, 12.4.0
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 11.5 produces
f:
.LFB0:
.cfi_startproc
xorl %edx, %edx
movl %edi, %eax
cmpl %esi, %edi
cmovle %edx, %eax
ret
likewise GCC 12. GCC 13 produces
f:
.LFB0:
.cfi_startproc
xorl %eax, %eax
cmpl %esi, %edi
cmovg %edi, %eax
ret
