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[Bug target/26436] [3.4 only] Use of 'mov' may violate WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 14
- From: "gdr at integrable-solutions dot net" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 28 Feb 2006 09:02:40 -0000
- Subject: [Bug target/26436] [3.4 only] Use of 'mov' may violate WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 14
- References: <bug-26436-6116@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #13 from gdr at integrable-solutions dot net 2006-02-28 09:02 -------
Subject: Re: [3.4 only] Use of 'mov' may violate WAW dependency 'GR%, % in 1 -
127' (impliedf), specific resource number is 14
"wilson at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> writes:
[...]
| As a workaround, we could modify the compiler to try to detect nested DV
cases,
| and emit extra unnecessary .pred.rel.mutex directives for them. This would
| work around the assembler bug.
Jim, you seem to understand well the issue. Would you ve willing to
contribute a patch? GCC-3.4.6 release is soon; otherwise, I will just
close this PR as won't fix.
-- Gaby
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26436