[Bug target/53639] x86_64: redundant 64-bit operations on 32-bit integers

2024-03-27 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53639 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug target/53639] x86_64: redundant 64-bit operations on 32-bit integers

2012-06-14 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53639 --- Comment #4 from Jakub Jelinek 2012-06-14 18:27:00 UTC --- Author: jakub Date: Thu Jun 14 18:26:53 2012 New Revision: 188629 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188629 Log: PR target/53639 * config/i386/i386.md (*and

[Bug target/53639] x86_64: redundant 64-bit operations on 32-bit integers

2012-06-12 Thread ubizjak at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53639 --- Comment #3 from Uros Bizjak 2012-06-12 12:21:07 UTC --- (In reply to comment #2) > Unfortunately that patch regressed pr49095.c testcase. So, either we limit > the > splitter to the paradoxical subreg that is created by the combiner when s

[Bug target/53639] x86_64: redundant 64-bit operations on 32-bit integers

2012-06-12 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53639 Jakub Jelinek changed: What|Removed |Added Attachment #27606|0 |1 is obsolete|

[Bug target/53639] x86_64: redundant 64-bit operations on 32-bit integers

2012-06-12 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53639 --- Comment #1 from Jakub Jelinek 2012-06-12 07:40:26 UTC --- Created attachment 27606 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27606 gcc48-pr53639.patch The first problem is that combiner combines: (insn 9 8 10 2 (parallel [