[Bug c/42968] _mm_cvtsi128_si32() should always be assigned to movd.
hjl dot tools at gmail dot com
gcc-bugzilla@gcc.gnu.org
Fri Feb 5 19:35:00 GMT 2010
------- Comment #3 from hjl dot tools at gmail dot com 2010-02-05 19:35 -------
It is due to X86_TUNE_INTER_UNIT_MOVES is off by default. I used pextrd
to avoid one more memory access since -mtune=core2 isn't faster than
default in most cases.
For this case, icc generates:
movl 4(%esp), %eax
ret
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42968
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