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[Bug rtl-optimization/38434] [4.4 Regression] speed regression with hand-unrolled matmul
- 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 14:36:45 -0000
- Subject: [Bug rtl-optimization/38434] [4.4 Regression] speed regression with hand-unrolled matmul
- References: <bug-38434-10391@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from bonzini at gnu dot org 2009-01-31 14:36 -------
A pass like the one Google's guy posted to lower register pressure would help
here.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38434