[Bug rtl-optimization/65651] Redundant cmp with zero instruction in loop for x86 target.

2015-04-01 Thread ysrumyan at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65651 --- Comment #1 from Yuri Rumyantsev --- Created attachment 35202 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35202&action=edit test-case to reproduce Need to compile with -O2 flag only.

[Bug rtl-optimization/65651] Redundant cmp with zero instruction in loop for x86 target.

2015-04-01 Thread ysrumyan at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65651 --- Comment #2 from Yuri Rumyantsev --- Created attachment 35203 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35203&action=edit test-case to reproduce

[Bug rtl-optimization/65651] Redundant cmp with zero instruction in loop for x86 target.

2015-04-01 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65651 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org,

[Bug rtl-optimization/65651] Redundant cmp with zero instruction in loop for x86 target.

2015-04-01 Thread ysrumyan at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65651 --- Comment #4 from Yuri Rumyantsev --- Jakub, Thanks for your comments. We will try to fix this issue ourselves. Best regards. Yuri. P.S. Note that icc does not produce such redundant cmp with zero. 2015-04-01 16:10 GMT+03:00 jakub at gcc d