[Bug target/43311] missed 'movw' optimization.

2022-01-05 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43311 Andrew Pinski changed: What|Removed |Added Host|x86_64-gnu-linux| Build|x86_64-gnu-linux

[Bug target/43311] missed 'movw' optimization.

2012-01-25 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43311 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #6 f

[Bug target/43311] missed 'movw' optimization.

2012-01-25 Thread zsojka at seznam dot cz
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43311 --- Comment #5 from Zdenek Sojka 2012-01-25 12:56:30 UTC --- (In reply to comment #4) > > No, s.b2 should be 1. Thank you for the answer. In that case, the optimisation in comment #0 can't be done in a general case (unless I have overlooked som

[Bug target/43311] missed 'movw' optimization.

2012-01-25 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43311 --- Comment #4 from Richard Guenther 2012-01-25 11:13:40 UTC --- (In reply to comment #3) > Does the following code have undefined behavior? > > typedef struct { unsigned char b1, b2; } __attribute__((aligned(8))) S; > void f( S const* s, unsign

[Bug target/43311] missed 'movw' optimization.

2012-01-25 Thread zsojka at seznam dot cz
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43311 Zdenek Sojka changed: What|Removed |Added CC||zsojka at seznam dot cz --- Comment #3 fro

[Bug target/43311] missed 'movw' optimization.

2012-01-24 Thread pinskia at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43311 --- Comment #2 from Andrew Pinski 2012-01-24 22:52:54 UTC --- This is dup of the merge loads from two adjacent memory location into one load bug. Which I don't remember the number of the bug right now.

[Bug target/43311] missed 'movw' optimization.

2010-03-10 Thread rguenth at gcc dot gnu dot org
--- Comment #1 from rguenth at gcc dot gnu dot org 2010-03-10 10:55 --- Confirmed. -- rguenth at gcc dot gnu dot org changed: What|Removed |Added Status|UNCON