[Bug tree-optimization/16876] [4.0/4.1/4.2 Regression] ICE on testcase with -O3 in fold-const

--- Comment #15 from amylaar at gcc dot gnu dot org 2006-08-24 19:13 --- Created an attachment (id=12130) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=12130action=view) patch I think this should do the trick. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16876 --- You

[Bug middle-end/24912] [4.1/4.2 Regression] m68k build failure: ICE: in reload_cse_simplify_operands

--- Comment #13 from amylaar at gcc dot gnu dot org 2006-01-31 16:28 --- (In reply to comment #9) Subject: Bug 24912 Author: hp Date: Sat Nov 19 21:56:17 2005 New Revision: 107231 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=107231 Log: PR middle-end/24912

[Bug rtl-optimization/23837] [4.0 regression] Wrong code with REG_NO_CONFLICT notes (caused by combine)

--- Comment #36 from amylaar at gcc dot gnu dot org 2005-12-19 12:01 --- While the patch will stop the bug from being triggered by the test case, it does not fix th underlying combiner bug. Any REG_NO_CONFLICT block could potentially be rendered invalid by an inappropriate instruction

[Bug rtl-optimization/23837] [4.0/4.1/4.2 regression] Wrong code with REG_NO_CONFLICT notes (caused by combine)

--- Comment #28 from amylaar at gcc dot gnu dot org 2005-12-16 14:37 --- (In reply to comment #25) Smarter folks than me (iant ;-) suggest that a multi-word rotate will normally need all the input bits when setting any of the output bits, so the entire no-conflict thing doesn't

[Bug rtl-optimization/23837] [4.0/4.1/4.2 regression] Wrong code with -fschedule-insns

--- Comment #21 from amylaar at gcc dot gnu dot org 2005-12-13 13:16 --- (In reply to comment #17) Created an attachment (id=10461) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=10461action=view) [edit] Instruction stream (stripped) before scheduling (insn/s 24 0 (set

[Bug rtl-optimization/23837] [4.0/4.1/4.2 regression] Wrong code with -fschedule-insns

--- Comment #22 from amylaar at gcc dot gnu dot org 2005-12-13 13:41 --- (In reply to comment #20) Created an attachment (id=10463) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=10463action=view) [edit] a full set of debugging dumps Re. comment #16, sorry, I didn't read

[Bug rtl-optimization/23837] [4.0/4.1/4.2 regression] Wrong code with -fschedule-insns

--- Comment #16 from amylaar at gcc dot gnu dot org 2005-12-12 20:28 --- (In reply to comment #15) I can reproduce this on hppa2.0-suse-linux-gnu with the 4.2-20051210 snapshot. Could you make a full set of debugging dumps (i.e. from compiling with -da) available somewhere

[Bug rtl-optimization/23837] [4.0/4.1 regression] Wrong code with -fschedule-insns

--- Additional Comments From amylaar at gcc dot gnu dot org 2005-09-20 19:06 --- Confirmed with gcc version 4.1.0 20050919 (experimental) on i686-pc-linux-gnu. -- What|Removed |Added

[Bug rtl-optimization/23837] [4.0/4.1 regression] Wrong code with -fschedule-insns

--- Additional Comments From amylaar at gcc dot gnu dot org 2005-09-20 20:52 --- (In reply to comment #3) A regression hunt on i686-linux showed the failure starting with this patch from [EMAIL PROTECTED]: http://gcc.gnu.org/ml/gcc-cvs/2005-05/msg00640.html The i386.md

[Bug rtl-optimization/23837] [4.0/4.1 regression] Wrong code with -fschedule-insns

--- Additional Comments From amylaar at gcc dot gnu dot org 2005-09-20 20:53 --- Created an attachment (id=9783) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9783action=view) proposed patch -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23837 --- You are receiving

[Bug rtl-optimization/23837] [4.0/4.1 regression] Wrong code with -fschedule-insns

--- Additional Comments From amylaar at gcc dot gnu dot org 2005-09-19 21:04 --- (In reply to comment #3) A regression hunt on i686-linux showed the failure starting with this patch from [EMAIL PROTECTED]: http://gcc.gnu.org/ml/gcc-cvs/2005-05/msg00640.html If the lreg dump