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re PR target/57954 (AVX missing vxorps (zeroing) before vcvtsi2s %edx, slow down...
authorUros Bizjak <uros@gcc.gnu.org>
Mon, 29 Jul 2013 11:17:51 +0000 (13:17 +0200)
committerUros Bizjak <uros@gcc.gnu.org>
Mon, 29 Jul 2013 11:17:51 +0000 (13:17 +0200)
commit576e2f37400cecb0cdb4537c7777284b7878e7c0
tree1de9ab1f3f338f36c3085ab0f145619a94731886tree | snapshot
parentbb80c2eb3a2578e71de04b5aa4a7574918b13144commit | diff
re PR target/57954 (AVX missing vxorps (zeroing) before vcvtsi2s %edx, slow down AVX code)

2013-07-29  Uros Bizjak  <ubizjak@gmail.com>

* config/i386/i386.md (float post-reload splitters): Do not check
for subregs of SSE registers.

2013-07-29  Uros Bizjak  <ubizjak@gmail.com>
    H.J. Lu  <hongjiu.lu@intel.com>

PR target/57954
PR target/57988
* config/i386/i386.md (post-reload splitter
to avoid partial SSE reg dependency stalls): New pattern.

From-SVN: r201308
gcc/ChangeLog diff | blob | history
gcc/config/i386/i386.md diff | blob | history
Domain: System / Toolchain;