[Bug middle-end/39117] missed strict-aliasing warning

2009-02-06 Thread rguenth at gcc dot gnu dot org
--- Comment #1 from rguenth at gcc dot gnu dot org 2009-02-06 10:09 --- You get a warning issued by the frontend for the first case. The second case is not warned because we didn't prune buf fron ps points-to set. This is because while A has an alias set of 2, buf has alias set zero.

[Bug rtl-optimization/36758] [4.3/4.4 Regression] addition moved out of the loop when used with an argument

2009-02-06 Thread bonzini at gnu dot org
--- Comment #17 from bonzini at gnu dot org 2009-02-06 09:53 --- without a testcase where this affects performance, it should not be P2 (though it should be fixed). -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36758

[Bug debug/39086] [4.4 Regression] ICE in decl_ultimate_origin, at dwarf2out.c:5770 when compiling with -fno-tree-sra

2009-02-06 Thread jakub at gcc dot gnu dot org
--- Comment #11 from jakub at gcc dot gnu dot org 2009-02-06 09:35 --- Created an attachment (id=17261) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17261&action=view) pr39086.C Slightly more reduced testcase. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39086

[Bug tree-optimization/39074] [4.2/4.3/4.4 Regression] PTA constraint processing for *x = y is wrong

2009-02-06 Thread rguenth at gcc dot gnu dot org
--- Comment #16 from rguenth at gcc dot gnu dot org 2009-02-06 09:17 --- Subject: Bug 39074 Author: rguenth Date: Fri Feb 6 09:17:19 2009 New Revision: 143983 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143983 Log: 2009-02-06 Richard Guenther PR tree-optimizatio

[Bug target/38824] [4.4 Regression] performance regression of sse code from 4.2/4.3

2009-02-06 Thread bonzini at gnu dot org
--- Comment #12 from bonzini at gnu dot org 2009-02-06 09:16 --- There's another peephole2, namely from [(set (match_operand 0 "register_operand") (match_operand 1 "register_operand")) (set (match_operand 0 "register_operand") (match_operator 3 "arith_or_logical_operator"

[Bug tree-optimization/38977] [4.4 Regression] bash no longer builds with profile-feedback

2009-02-06 Thread rguenth at gcc dot gnu dot org
--- Comment #22 from rguenth at gcc dot gnu dot org 2009-02-06 09:08 --- Fixed. -- rguenth at gcc dot gnu dot org changed: What|Removed |Added Status|ASSIGNE

[Bug tree-optimization/38977] [4.4 Regression] bash no longer builds with profile-feedback

2009-02-06 Thread rguenth at gcc dot gnu dot org
--- Comment #21 from rguenth at gcc dot gnu dot org 2009-02-06 09:06 --- Subject: Bug 38977 Author: rguenth Date: Fri Feb 6 09:06:39 2009 New Revision: 143982 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143982 Log: 2009-02-06 Richard Guenther PR middle-end/38977

[Bug rtl-optimization/38921] [4.3 Regression] NULL access in delay-slot

2009-02-06 Thread bonzini at gnu dot org
--- Comment #11 from bonzini at gnu dot org 2009-02-06 09:06 --- See 39110 for another patch that would need to be backported (thinko fix). -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38921

[Bug rtl-optimization/37889] [4.3 Regression] SEGV, conditional execution proactively executed the false arm.

2009-02-06 Thread bonzini at gnu dot org
--- Comment #19 from bonzini at gnu dot org 2009-02-06 09:05 --- See 39110 for another patch that would need to be backported (thinko fix). -- bonzini at gnu dot org changed: What|Removed |Added -

[Bug tree-optimization/35639] [4.3/4.4 Regression] -fprofile-generate = huge SCCs for PRE

2009-02-06 Thread bonzini at gnu dot org
--- Comment #19 from bonzini at gnu dot org 2009-02-06 08:30 --- patch committed, PRE is now down to 35-40% of compilation time. I defer to the RMs whether this should be closed. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35639

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