[Bug target/54721] New: Generate arm/thumb interwork veneers at compile time?

2012-09-26 Thread linux at horizon dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54721 Bug #: 54721 Summary: Generate arm/thumb interwork veneers at compile time? Classification: Unclassified Product: gcc Version: 4.7.2 Status: UNCONFIRMED Severity: enh

[Bug rtl-optimization/54910] New: ARM: Missed optimization of very simple ctz function

2012-10-12 Thread linux at horizon dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54910 Bug #: 54910 Summary: ARM: Missed optimization of very simple ctz function Classification: Unclassified Product: gcc Version: 4.7.2 Status: UNCONFIRMED Severity: mino

[Bug target/54721] Generate arm/thumb interwork veneers at compile time?

2012-11-28 Thread linux at horizon dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54721 --- Comment #4 from George Spelvin 2012-11-28 08:37:50 UTC --- > I wouldn't expect this to be something of high priority currently. I know the benefit is low; I had just hoped that it would be a fairly small and simple change and thus th

[Bug rtl-optimization/54910] ARM: Missed optimization of very simple ctz function

2012-11-29 Thread linux at horizon dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54910 --- Comment #3 from George Spelvin 2012-11-29 11:12:52 UTC --- ... and this particular case wouldn't arise, since Thumb-2 (ARMv7) implies the CLZ instruction (ARMv5), and I wouldn't need this table-based implementation if I had CLZ. :-)

[Bug rtl-optimization/65056] New: Missed optimization (x86): Redundant test/compare after arithmetic operations

2015-02-13 Thread linux at horizon dot com
mp;m=142373514630907 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: linux at horizon dot com Host: i586-linux-gnu Target: x86_64-*-