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[Bug rtl-optimization/19680] sub-optimial register allocation with sse
- From: "rth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 31 Jan 2005 05:31:01 -0000
- Subject: [Bug rtl-optimization/19680] sub-optimial register allocation with sse
- References: <20050128233416.19680.tbptbp@gmail.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From rth at gcc dot gnu dot org 2005-01-31 05:31 -------
If you're still looking at K8, moving through memory is two cycles faster than
moving directly between the general register file and the sse register file.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19680