[Bug tree-optimization/110652] [14 Regression] bootstrap failure on tree-vect-stmts.cc with --enable-checking=release: error: 'new_temp' may be used uninitialized

2023-07-13 Thread linkw at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110652 --- Comment #4 from Kewen Lin --- I can't reproduce this on ppc64le with both the default bootstrapping checking option --enable-checking=yes,extra and the reported --enable-checking=release. I'm going to test it on cfarm x86 machine. If the er

[Bug c/110662] New: Segmentation fault with '-O3'

2023-07-13 Thread 19373742 at buaa dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110662 Bug ID: 110662 Summary: Segmentation fault with '-O3' Product: gcc Version: 11.4.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assi

[Bug c/110662] Segmentation fault with '-O3'

2023-07-13 Thread 19373742 at buaa dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110662 --- Comment #1 from CTC <19373742 at buaa dot edu.cn> --- Created attachment 55540 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55540&action=edit The compiler output

[Bug middle-end/110659] Error from linker: .eh_frame_hdr refers to overlapping FDEs

2023-07-13 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110659 Richard Biener changed: What|Removed |Added Target||x86_64-linux-gnu --- Comment #8 from R

[Bug middle-end/110660] conditional length reduction optimization

2023-07-13 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110660 --- Comment #1 from Richard Biener --- The vectorizer itself could do the merging which means it could also more accurately cost things. Otherwise think about whether/how such a situation might arise from people using RVV intrinsics - how are t

[Bug c/110662] Segmentation fault with '-O3'

2023-07-13 Thread 19373742 at buaa dot edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110662 --- Comment #2 from CTC <19373742 at buaa dot edu.cn> --- The reduced sequence is -O3 -fno-dce -fno-tree-dce -fno-tree-sink

[Bug ipa/110662] Segmentation fault with '-O3'

2023-07-13 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110662 Richard Biener changed: What|Removed |Added Keywords||wrong-code Known to fail|

[Bug tree-optimization/110652] [14 Regression] bootstrap failure on tree-vect-stmts.cc with --enable-checking=release: error: 'new_temp' may be used uninitialized

2023-07-13 Thread linkw at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110652 Kewen Lin changed: What|Removed |Added CC||rguenth at gcc dot gnu.org --- Comment #5 f

[Bug middle-end/110660] conditional length reduction optimization

2023-07-13 Thread juzhe.zhong at rivai dot ai via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110660 --- Comment #2 from JuzheZhong --- (In reply to Richard Biener from comment #1) > The vectorizer itself could do the merging which means it could also more > accurately cost things. > It's similar with ARM SVE: https://godbolt.org/z/8cn5j1zTr

[Bug rtl-optimization/110206] [14 Regression] wrong code with -Os -march=cascadelake since r14-1246

2023-07-13 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110206 --- Comment #16 from Uroš Bizjak --- v2 patch at [1]. [1] https://gcc.gnu.org/pipermail/gcc-patches/2023-July/624491.html

<    1   2