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[Bug middle-end/37447] [4.4 Regression] test pr28982b.c fails execution on power4 or later with ira change
- From: "luisgpm at linux dot vnet dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 2 Oct 2008 01:43:46 -0000
- Subject: [Bug middle-end/37447] [4.4 Regression] test pr28982b.c fails execution on power4 or later with ira change
- References: <bug-37447-4503@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from luisgpm at linux dot vnet dot ibm dot com 2008-10-02 01:43 -------
This problem also showed up as a CPU2000 regression in the Sixtrack benchmark
for PPC64, causing problems in the ondering of ld/st instructions.
A GCC patched with Richard's fix produced the right code and the regression is
gone.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37447