[Bug middle-end/53381] [4.8 Regression] Bootstrap fails building stage1 libgcc

2012-05-18 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381 Richard Guenther rguenth at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED

[Bug middle-end/53381] [4.8 Regression] Bootstrap fails building stage1 libgcc

2012-05-18 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381 Richard Guenther rguenth at gcc dot gnu.org changed: What|Removed |Added Target Milestone|--- |4.8.0

[Bug middle-end/53381] [4.8 Regression] Bootstrap fails building stage1 libgcc

2012-05-17 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381 Jakub Jelinek jakub at gcc dot gnu.org changed: What|Removed |Added CC||jakub at gcc dot

[Bug middle-end/53381] [4.8 Regression] Bootstrap fails building stage1 libgcc

2012-05-17 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381 --- Comment #8 from Jakub Jelinek jakub at gcc dot gnu.org 2012-05-17 06:48:31 UTC --- Note that e.g. dse.c (scan_insn) handles the AVX mem* just fine, but won't handle this PA pattern because (set (reg) (call ...)) isn't the first thing in the

[Bug middle-end/53381] [4.8 Regression] Bootstrap fails building stage1 libgcc

2012-05-17 Thread dave.anglin at bell dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381 --- Comment #9 from dave.anglin at bell dot net 2012-05-17 14:39:41 UTC --- On 5/17/2012 2:48 AM, jakub at gcc dot gnu.org wrote: Note that e.g. dse.c (scan_insn) handles the AVX mem* just fine, but won't handle this PA pattern because (set

[Bug middle-end/53381] [4.8 Regression] Bootstrap fails building stage1 libgcc

2012-05-17 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381 --- Comment #10 from Jakub Jelinek jakub at gcc dot gnu.org 2012-05-17 14:53:21 UTC --- For DSE it would be enough if just the call was first in the parallel and the currently first set came after it. All sets in a parallel happen at the same

[Bug middle-end/53381] [4.8 Regression] Bootstrap fails building stage1 libgcc

2012-05-16 Thread danglin at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381 John David Anglin danglin at gcc dot gnu.org changed: What|Removed |Added CC||bernds at

[Bug middle-end/53381] [4.8 Regression] Bootstrap fails building stage1 libgcc

2012-05-16 Thread bernds at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381 --- Comment #2 from Bernd Schmidt bernds at gcc dot gnu.org 2012-05-16 22:30:53 UTC --- What's it actually trying to access, and failing? Is dest NULL or something?

[Bug middle-end/53381] [4.8 Regression] Bootstrap fails building stage1 libgcc

2012-05-16 Thread dave.anglin at bell dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381 --- Comment #3 from dave.anglin at bell dot net 2012-05-16 23:01:00 UTC --- On 16-May-12, at 6:30 PM, bernds at gcc dot gnu.org wrote: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381 --- Comment #2 from Bernd Schmidt bernds at gcc dot

[Bug middle-end/53381] [4.8 Regression] Bootstrap fails building stage1 libgcc

2012-05-16 Thread bernds at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381 --- Comment #4 from Bernd Schmidt bernds at gcc dot gnu.org 2012-05-16 23:14:32 UTC --- Created attachment 27427 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=27427 Candidate patch Ok, seriously weird call insns. If you can fix that in the

[Bug middle-end/53381] [4.8 Regression] Bootstrap fails building stage1 libgcc

2012-05-16 Thread dave.anglin at bell dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381 --- Comment #5 from dave.anglin at bell dot net 2012-05-17 00:18:46 UTC --- On 16-May-12, at 7:14 PM, bernds at gcc dot gnu.org wrote: Ok, seriously weird call insns. If you can fix that in the port, it'll benefit from the optimization.

[Bug middle-end/53381] [4.8 Regression] Bootstrap fails building stage1 libgcc

2012-05-16 Thread dave.anglin at bell dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381 --- Comment #6 from dave.anglin at bell dot net 2012-05-17 01:52:03 UTC --- On 16-May-12, at 7:14 PM, bernds at gcc dot gnu.org wrote: Ok, seriously weird call insns. If you can fix that in the port, it'll benefit from the optimization.