[Bug target/57056] Missed optimization of finite finite builtin

[svfuerst at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57056

Steven Fuerst <svfuerst at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |svfuerst at gmail dot com

--- Comment #2 from Steven Fuerst <svfuerst at gmail dot com> 2013-04-26 01:23:24 UTC ---
If you use the pextrw instruction, then you can avoid the shift, saving an
instruction.

i.e. Something like:

pextrw  $0x3, %xmm0, %rax
and     $0x7ff0, %ax
sub     $0x7ff0, %ax
sbb     %eax, %eax
retq