This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/38682] [4.4 Regression] speed regression with sse intrinsics and -ffast-math
- From: "bonzini at gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 31 Jan 2009 15:39:43 -0000
- Subject: [Bug target/38682] [4.4 Regression] speed regression with sse intrinsics and -ffast-math
- References: <bug-38682-12873@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from bonzini at gnu dot org 2009-01-31 15:39 -------
In both versions there's some pessimization in the expansion of _mm_set_ps and
_mm_set_ps1. It's probably easier to fix than the regression.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38682