[Bug middle-end/28831] [11/12/13/14/15 Regression] Aggregate copy not elided when using a return value as a pass-by-value parameter

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28831 --- Comment #44 from rguenther at suse dot de --- On Thu, 23 May 2024, mkretz at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28831 > > --- Comment #43 from Matthias Kretz (Vir) --- > I see this i

[Bug tree-optimization/114072] gcc.dg/vect/vect-pr111779.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114072 --- Comment #6 from rguenther at suse dot de --- On Wed, 22 May 2024, ro at CeBiTec dot Uni-Bielefeld.DE wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114072 > > --- Comment #5 from ro at CeBiTec dot Uni-Bielefeld.DE Uni-Bie

[Bug tree-optimization/114072] gcc.dg/vect/vect-pr111779.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114072 --- Comment #4 from rguenther at suse dot de --- On Wed, 22 May 2024, ro at CeBiTec dot Uni-Bielefeld.DE wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114072 > > --- Comment #3 from ro at CeBiTec dot Uni-Bielefeld.DE Uni-Bie

[Bug tree-optimization/115138] [15 Regression] Bootstrap compare-debug fail after r15-580-gf3e5f4c58591f5

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115138 --- Comment #2 from rguenther at suse dot de --- > Am 17.05.2024 um 16:20 schrieb iains at gcc dot gnu.org > : > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115138 > >Bug ID: 115138 > Su

[Bug rtl-optimization/101523] Huge number of combine attempts

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101523 --- Comment #64 from rguenther at suse dot de --- On Sat, 4 May 2024, segher at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101523 > > --- Comment #61 from Segher Boessenkool --- > We used to do the

[Bug tree-optimization/114908] fails to optimize avx2 in-register permute written with std::experimental::simd

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114908 --- Comment #4 from rguenther at suse dot de --- On Mon, 6 May 2024, mkretz at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114908 > > --- Comment #3 from Matthias Kretz (Vir) --- > The stdx::simd im

[Bug tree-optimization/114774] Missed DSE in simple code due to interleaving sotres

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114774 --- Comment #4 from rguenther at suse dot de --- On Fri, 19 Apr 2024, hubicka at ucw dot cz wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114774 > > --- Comment #3 from Jan Hubicka --- > > Yes, DSE walking doesn't &q

[Bug tree-optimization/114749] [13 Regression] RISC-V rv64gcv ICE: in vectorizable_load, at tree-vect-stmts.cc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114749 --- Comment #5 from rguenther at suse dot de --- On Wed, 17 Apr 2024, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114749 > > --- Comment #4 from JuzheZhong --- > Hi, Patrick. > > It

[Bug target/111231] [12/13/14 regression] armhf: Miscompilation with -O2/-fno-exceptions level (-fno-tree-vectorize is working)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111231 --- Comment #35 from rguenther at suse dot de --- On Tue, 16 Apr 2024, rearnsha at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111231 > > --- Comment #34 from Richard Earnshaw --- > To be honest, I'm mo

[Bug tree-optimization/114635] OpenMP reductions fail dependency analysis

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114635 --- Comment #17 from rguenther at suse dot de --- On Mon, 15 Apr 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114635 > > --- Comment #16 from Jakub Jelinek --- > (In reply to Richard

[Bug tree-optimization/114635] OpenMP reductions fail dependency analysis

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114635 --- Comment #15 from rguenther at suse dot de --- On Mon, 15 Apr 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114635 > > --- Comment #13 from Jakub Jelinek --- > (In reply to kugan from

[Bug tree-optimization/114635] OpenMP reductions fail dependency analysis

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114635 --- Comment #7 from rguenther at suse dot de --- > Am 08.04.2024 um 16:55 schrieb tnfchris at gcc dot gnu.org > : > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114635 > > --- Comment #6 from Tamar Christina --- &g

[Bug c++/114480] g++: internal compiler error: Segmentation fault signal terminated program cc1plus

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114480 --- Comment #26 from rguenther at suse dot de --- On Mon, 8 Apr 2024, douglas.boffey at gmail dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114480 > > --- Comment #25 from Douglas Boffey --- > (In reply to rguen

[Bug c++/114480] g++: internal compiler error: Segmentation fault signal terminated program cc1plus

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114480 --- Comment #24 from rguenther at suse dot de --- On Mon, 8 Apr 2024, douglas.boffey at gmail dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114480 > > --- Comment #23 from Douglas Boffey --- > (In reply to Richard

[Bug libfortran/114304] [13/14 Regression] libgfortran I/O – bogus "Semicolon not allowed as separator with DECIMAL='point'"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114304 --- Comment #29 from rguenther at suse dot de --- On Mon, 8 Apr 2024, burnus at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114304 > > --- Comment #28 from Tobias Burnus --- > Created attachment 57896 &

[Bug middle-end/111683] [11/12/13/14 Regression] Incorrect answer when using SSE2 intrinsics with -O3 since r7-3163-g973625a04b3d9351f2485e37f7d3382af2aed87e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111683 --- Comment #25 from rguenther at suse dot de --- On Fri, 22 Mar 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111683 > > --- Comment #24 from Jakub Jelinek --- > (In reply to Richard

[Bug sanitizer/111736] Address sanitizer is not compatible with named address spaces

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111736 --- Comment #17 from rguenther at suse dot de --- On Thu, 21 Mar 2024, ubizjak at gmail dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111736 > > --- Comment #16 from Uro? Bizjak --- > (In reply to Richard Biener

[Bug rtl-optimization/92080] Missed CSE of _mm512_set1_epi8(c) with _mm256_set1_epi8(c)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92080 --- Comment #8 from rguenther at suse dot de --- On Thu, 21 Mar 2024, liuhongt at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92080 > > Hongtao Liu changed: > >What|Removed

[Bug tree-optimization/114345] FRE missing knowledge of semantics of IFN loads

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114345 --- Comment #6 from rguenther at suse dot de --- On Fri, 15 Mar 2024, tnfchris at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114345 > > --- Comment #5 from Tamar Christina --- > (In reply to Richard

[Bug libfortran/114304] [13/14 Regression] libgfortran I/O – bogus "Semicolon not allowed as separator with DECIMAL='point'"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114304 --- Comment #10 from rguenther at suse dot de --- > Am 11.03.2024 um 20:03 schrieb jvdelisle at gcc dot gnu.org > : > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114304 > > --- Comment #9 from Jerry DeLisle --- >

[Bug target/114252] Introducing bswapsi reduces code performance

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114252 --- Comment #16 from rguenther at suse dot de --- On Thu, 7 Mar 2024, gjl at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114252 > > --- Comment #14 from Georg-Johann Lay --- > The code in

[Bug middle-end/105533] UBSAN: gcc/expmed.cc:3272:26: runtime error: signed integer overflow: -9223372036854775808 - 1 cannot be represented in type 'long int'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105533 --- Comment #10 from rguenther at suse dot de --- On Wed, 6 Mar 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105533 > > Jakub Jelinek changed: > >W

[Bug target/114252] Introducing bswapsi reduces code performance

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114252 --- Comment #6 from rguenther at suse dot de --- > Am 06.03.2024 um 17:12 schrieb gjl at gcc dot gnu.org > : > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114252 > > --- Comment #5 from Georg-Johann Lay --- > (In re

[Bug target/114232] [14 regression] ICE when building rr-5.7.0 with LTO on x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114232 --- Comment #22 from rguenther at suse dot de --- On Tue, 5 Mar 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114232 > > --- Comment #17 from Jakub Jelinek --- > Either change those too, or

[Bug target/114232] [14 regression] ICE when building rr-5.7.0 with LTO on x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114232 --- Comment #14 from rguenther at suse dot de --- On Tue, 5 Mar 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114232 > > Jakub Jelinek changed: > >W

[Bug tree-optimization/113441] [14 Regression] Fail to fold the last element with multiple loop since g:2efe3a7de0107618397264017fb045f237764cc7

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113441 --- Comment #43 from rguenther at suse dot de --- On Mon, 4 Mar 2024, rsandifo at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113441 > > --- Comment #41 from Richard Sandiford --- > (In reply to Richard

[Bug other/114191] Flags "Warning" and "Target" don't mix well in target.opt files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114191 --- Comment #4 from rguenther at suse dot de --- On Mon, 4 Mar 2024, gjl at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114191 > > --- Comment #2 from Georg-Johann Lay --- > (In reply to Richard Biener

[Bug tree-optimization/113441] [14 Regression] Fail to fold the last element with multiple loop since g:2efe3a7de0107618397264017fb045f237764cc7

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113441 --- Comment #34 from rguenther at suse dot de --- On Fri, 1 Mar 2024, rsandifo at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113441 > > --- Comment #33 from Richard Sandiford --- > Can you give me a ch

[Bug tree-optimization/114151] [14 Regression] weird and inefficient codegen and addressing modes since g:a0b1798042d033fd2cc2c806afbb77875dd2909b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114151 --- Comment #4 from rguenther at suse dot de --- On Wed, 28 Feb 2024, tnfchris at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114151 > > --- Comment #3 from Tamar Christina --- > > > > This

[Bug tree-optimization/114041] wrong code with _BitInt() and -O -fgraphite-identity

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114041 --- Comment #14 from rguenther at suse dot de --- On Wed, 28 Feb 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114041 > > --- Comment #12 from Jakub Jelinek --- > I can change the comparison

[Bug tree-optimization/112325] Missed vectorization of reduction after unrolling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112325 --- Comment #15 from rguenther at suse dot de --- On Wed, 28 Feb 2024, liuhongt at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112325 > > --- Comment #14 from Hongtao Liu --- > (In reply to rguent...@

[Bug tree-optimization/112325] Missed vectorization of reduction after unrolling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112325 --- Comment #13 from rguenther at suse dot de --- On Tue, 27 Feb 2024, liuhongt at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112325 > > --- Comment #11 from Hongtao Liu --- > > >Loop bo

[Bug tree-optimization/112325] Missed vectorization of reduction after unrolling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112325 --- Comment #12 from rguenther at suse dot de --- On Tue, 27 Feb 2024, liuhongt at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112325 > > --- Comment #10 from Hongtao Liu --- > (In reply to Hongtao Liu

[Bug tree-optimization/113441] [14 Regression] Fail to fold the last element with multiple loop since g:2efe3a7de0107618397264017fb045f237764cc7

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113441 --- Comment #28 from rguenther at suse dot de --- On Mon, 26 Feb 2024, tnfchris at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113441 > > --- Comment #27 from Tamar Christina --- > Created atta

[Bug tree-optimization/114041] wrong code with _BitInt() and -O -fgraphite-identity

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114041 --- Comment #4 from rguenther at suse dot de --- On Thu, 22 Feb 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114041 > > --- Comment #3 from Jakub Jelinek --- > I thought graphite is don

[Bug middle-end/113988] during GIMPLE pass: bitintlower: internal compiler error: in lower_stmt, at gimple-lower-bitint.cc:5470

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113988 --- Comment #23 from rguenther at suse dot de --- On Thu, 22 Feb 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113988 > > --- Comment #22 from Jakub Jelinek --- > Yeah, I was worried about

[Bug middle-end/113988] during GIMPLE pass: bitintlower: internal compiler error: in lower_stmt, at gimple-lower-bitint.cc:5470

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113988 --- Comment #21 from rguenther at suse dot de --- On Thu, 22 Feb 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113988 > > --- Comment #20 from Jakub Jelinek --- > (In reply to rguent...@

[Bug middle-end/113988] during GIMPLE pass: bitintlower: internal compiler error: in lower_stmt, at gimple-lower-bitint.cc:5470

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113988 --- Comment #19 from rguenther at suse dot de --- On Wed, 21 Feb 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113988 > > --- Comment #17 from Jakub Jelinek --- > So, either we could so

[Bug ipa/113476] [14 Regression] irange::maybe_resize leaks memory via IPA VRP

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113476 --- Comment #17 from rguenther at suse dot de --- On Wed, 21 Feb 2024, aldyh at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113476 > > --- Comment #8 from Aldy Hernandez --- > (In reply to Richard

[Bug middle-end/113988] during GIMPLE pass: bitintlower: internal compiler error: in lower_stmt, at gimple-lower-bitint.cc:5470

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113988 --- Comment #12 from rguenther at suse dot de --- On Mon, 19 Feb 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113988 > > --- Comment #10 from Jakub Jelinek --- > (In reply to Richard

[Bug middle-end/111156] [14 Regression] aarch64 aarch64/sve/mask_struct_store_4.c failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56 --- Comment #22 from rguenther at suse dot de --- > Am 15.02.2024 um 19:53 schrieb tnfchris at gcc dot gnu.org > : > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56 > > --- Comment #21 from Tamar Christina --- >

[Bug middle-end/113907] [14 regression] ICU miscompiled since on x86 since r14-5109-ga291237b628f41

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113907 --- Comment #35 from rguenther at suse dot de --- On Thu, 15 Feb 2024, rguenther at suse dot de wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113907 > > --- Comment #34 from rguenther at suse dot de --- > On Thu, 15 Feb

[Bug middle-end/113907] [14 regression] ICU miscompiled since on x86 since r14-5109-ga291237b628f41

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113907 --- Comment #34 from rguenther at suse dot de --- On Thu, 15 Feb 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113907 > > --- Comment #32 from Jakub Jelinek --- > (In reply to Jan Hubicka

[Bug tree-optimization/113787] [12/13/14 Regression] Wrong code at -O with ipa-modref on aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113787 --- Comment #18 from rguenther at suse dot de --- On Wed, 14 Feb 2024, hubicka at ucw dot cz wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113787 > > --- Comment #17 from Jan Hubicka --- > > > I guess PTA gets

[Bug middle-end/113907] [14 regression] ICU miscompiled since on x86 since r14-5109-ga291237b628f41

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113907 --- Comment #28 from rguenther at suse dot de --- On Wed, 14 Feb 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113907 > > --- Comment #27 from Jakub Jelinek --- > So: > --- gcc/ipa-icf.

[Bug tree-optimization/113787] [12/13/14 Regression] Wrong code at -O with ipa-modref on aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113787 --- Comment #16 from rguenther at suse dot de --- On Tue, 13 Feb 2024, hubicka at ucw dot cz wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113787 > > --- Comment #15 from Jan Hubicka --- > > > > IVOPTs does

[Bug tree-optimization/113787] [12/13/14 Regression] Wrong code at -O with ipa-modref on aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113787 --- Comment #14 from rguenther at suse dot de --- On Tue, 13 Feb 2024, hubicka at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113787 > > --- Comment #13 from Jan Hubicka --- > So my understanding is that

[Bug c++/113852] -Wsign-compare doesn't warn on unsigned result types

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113852 --- Comment #8 from rguenther at suse dot de --- On Mon, 12 Feb 2024, admin at computerquip dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113852 > > --- Comment #7 from Zachary L --- > (In reply to Richard Biener

[Bug tree-optimization/113583] Main loop in 519.lbm not vectorized.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113583 --- Comment #17 from rguenther at suse dot de --- On Wed, 7 Feb 2024, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113583 > > --- Comment #16 from JuzheZhong --- > The FMA is generated in

[Bug tree-optimization/113583] Main loop in 519.lbm not vectorized.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113583 --- Comment #14 from rguenther at suse dot de --- On Wed, 7 Feb 2024, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113583 > > --- Comment #13 from JuzheZhong --- > Ok. I found the op

[Bug ipa/113359] [13 Regression] LTO miscompilation of ceph on aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113359 --- Comment #13 from rguenther at suse dot de --- On Tue, 6 Feb 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113359 > > --- Comment #12 from Jakub Jelinek --- > Just going from the de

[Bug tree-optimization/113736] ICE: verify_gimple failed: incompatible types in 'PHI' argument 0 with _BitInt() struct copy to __seg_fs/gs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113736 --- Comment #3 from rguenther at suse dot de --- On Sat, 3 Feb 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113736 > > Jakub Jelinek changed: > >What|Removed

[Bug tree-optimization/99395] s116 benchmark of TSVC is vectorized by clang and not by gcc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99395 --- Comment #19 from rguenther at suse dot de --- On Wed, 31 Jan 2024, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99395 > > --- Comment #18 from JuzheZhong --- > (In reply to rguent...@

[Bug tree-optimization/99395] s116 benchmark of TSVC is vectorized by clang and not by gcc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99395 --- Comment #17 from rguenther at suse dot de --- On Wed, 31 Jan 2024, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99395 > > --- Comment #16 from JuzheZhong --- > (In reply to rguent...@

[Bug tree-optimization/99395] s116 benchmark of TSVC is vectorized by clang and not by gcc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99395 --- Comment #15 from rguenther at suse dot de --- On Wed, 31 Jan 2024, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99395 > > --- Comment #14 from JuzheZhong --- > Thanks Richard. > >

[Bug tree-optimization/113622] [11/12/13 Regression] ICE with vectors in named registers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113622 --- Comment #23 from rguenther at suse dot de --- On Tue, 30 Jan 2024, xry111 at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113622 > > --- Comment #22 from Xi Ruoyao --- > On x86_64: > > $ cat t

[Bug target/113059] [14 regression] fftw fails tests for -O3 -m32 -march=znver2 since r14-6210-ge44ed92dbbe9d4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113059 --- Comment #20 from rguenther at suse dot de --- On Tue, 30 Jan 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113059 > > --- Comment #18 from Jakub Jelinek --- > (In reply to Richard

[Bug tree-optimization/113576] [14 regression] 502.gcc_r hangs r14-8223-g1c1853a70f9422169190e65e568dcccbce02d95c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113576 --- Comment #31 from rguenther at suse dot de --- On Tue, 30 Jan 2024, rsandifo at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113576 > > --- Comment #30 from Richard Sandiford --- > (In reply to Richard

[Bug tree-optimization/113583] Main loop in 519.lbm not vectorized.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113583 --- Comment #10 from rguenther at suse dot de --- On Fri, 26 Jan 2024, rdapp at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113583 > > --- Comment #9 from Robin Dapp --- > (In reply to rguent...@suse.de

[Bug tree-optimization/113576] [14 regression] 502.gcc_r hangs r14-8223-g1c1853a70f9422169190e65e568dcccbce02d95c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113576 --- Comment #19 from rguenther at suse dot de --- On Thu, 25 Jan 2024, rsandifo at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113576 > > --- Comment #18 from Richard Sandiford --- > (In reply to Tam

[Bug tree-optimization/113576] [14 regression] 502.gcc_r hangs r14-8223-g1c1853a70f9422169190e65e568dcccbce02d95c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113576 --- Comment #12 from rguenther at suse dot de --- On Thu, 25 Jan 2024, liuhongt at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113576 > > --- Comment #7 from Hongtao Liu --- > diff --git a/gcc/fold-co

[Bug tree-optimization/113583] Main loop in 519.lbm not vectorized.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113583 --- Comment #6 from rguenther at suse dot de --- On Thu, 25 Jan 2024, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113583 > > --- Comment #5 from JuzheZhong --- > Both ICC and Clang X86 can ve

[Bug tree-optimization/113281] [14 Regression] Wrong code due to vectorization of shift reduction and missing promotions since r14-3027

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113281 --- Comment #19 from rguenther at suse dot de --- On Wed, 24 Jan 2024, pinskia at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113281 > > --- Comment #17 from Andrew Pinski --- > (In reply to rguent...@

[Bug tree-optimization/113281] [14 Regression] Wrong code due to vectorization of shift reduction and missing promotions since r14-3027

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113281 --- Comment #16 from rguenther at suse dot de --- On Wed, 24 Jan 2024, pinskia at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113281 > > --- Comment #15 from Andrew Pinski --- > (In reply to Richard

[Bug tree-optimization/113551] [13 Regression] Miscompilation with -O1 -funswitch-loops -fno-strict-overflow

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113551 --- Comment #19 from rguenther at suse dot de --- On Tue, 23 Jan 2024, pinskia at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113551 > > --- Comment #13 from Andrew Pinski --- > (In reply to Yuxuan Shui

[Bug tree-optimization/113467] [14 regression] libgcrypt-1.10.3 is miscompiled

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113467 --- Comment #19 from rguenther at suse dot de --- > Am 23.01.2024 um 18:06 schrieb tnfchris at gcc dot gnu.org > : > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113467 > > --- Comment #18 from Tamar Christina --- >

[Bug ipa/107931] [12/13/14 Regression] -Og causes always_inline to fail since r12-6677-gc952126870c92cf2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107931 --- Comment #27 from rguenther at suse dot de --- On Tue, 23 Jan 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107931 > > --- Comment #26 from Jakub Jelinek --- > (In reply to Richard

[Bug tree-optimization/113441] [14 Regression] Fail to fold the last element with multiple loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113441 --- Comment #15 from rguenther at suse dot de --- On Tue, 23 Jan 2024, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113441 > > --- Comment #14 from JuzheZhong --- > I just tried again b

[Bug tree-optimization/113441] [14 Regression] Fail to fold the last element with multiple loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113441 --- Comment #13 from rguenther at suse dot de --- On Tue, 23 Jan 2024, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113441 > > --- Comment #12 from JuzheZhong --- > (In reply to Richard

[Bug rtl-optimization/113495] RISC-V: Time and memory awful consumption of SPEC2017 wrf benchmark

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113495 --- Comment #26 from rguenther at suse dot de --- On Fri, 19 Jan 2024, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113495 > > --- Comment #22 from JuzheZhong --- > (In reply to Richard

[Bug tree-optimization/113459] ICE: in as_a, at machmode.h:381 with memset() on a _BitInt() at -O1 and above

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113459 --- Comment #4 from rguenther at suse dot de --- On Thu, 18 Jan 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113459 > > --- Comment #3 from Jakub Jelinek --- > (In reply to Richard Biener

[Bug tree-optimization/113372] wrong code with _BitInt() arithmetics at -O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113372 --- Comment #18 from rguenther at suse dot de --- On Mon, 15 Jan 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113372 > > --- Comment #17 from Jakub Jelinek --- > (In reply to Richard

[Bug tree-optimization/113372] wrong code with _BitInt() arithmetics at -O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113372 --- Comment #13 from rguenther at suse dot de --- On Mon, 15 Jan 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113372 > > --- Comment #12 from Jakub Jelinek --- > (In reply to Richard

[Bug tree-optimization/113372] wrong code with _BitInt() arithmetics at -O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113372 --- Comment #5 from rguenther at suse dot de --- On Mon, 15 Jan 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113372 > > Jakub Jelinek changed: > >W

[Bug target/113059] [14 regression] fftw fails tests for -O3 -m32 -march=znver2 since r14-6210-ge44ed92dbbe9d4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113059 --- Comment #13 from rguenther at suse dot de --- On Wed, 10 Jan 2024, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113059 > > --- Comment #12 from Jakub Jelinek --- > (In reply to Richard

[Bug tree-optimization/113104] Suboptimal loop-based slp node splicing across iterations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113104 --- Comment #3 from rguenther at suse dot de --- On Thu, 21 Dec 2023, fxue at os dot amperecomputing.com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113104 > > --- Comment #2 from Feng Xue --- > (In reply to Richard

[Bug middle-end/113082] builtin transforms do not honor errno

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113082 --- Comment #3 from rguenther at suse dot de --- On Tue, 19 Dec 2023, fw at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113082 > > --- Comment #2 from Florian Weimer --- > (In reply to Richard Biener fro

[Bug tree-optimization/113026] Bogus -Wstringop-overflow warning on simple memcpy type loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113026 --- Comment #5 from rguenther at suse dot de --- On Fri, 15 Dec 2023, avieira at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113026 > > --- Comment #4 from avieira at gcc dot gnu.org --- > Drive by comm

[Bug libstdc++/105562] [12 Regression] std::function::_M_invoker may be used uninitialized in std::regex move with -fno-strict-aliasing

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105562 --- Comment #26 from rguenther at suse dot de --- On Wed, 6 Dec 2023, romain.geissler at amadeus dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105562 > > --- Comment #25 from Romain Geissler --- > So it means we s

[Bug tree-optimization/112303] [14 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: verify_flow_info failed since r14-3459-g0c78240fd7d519

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112303 --- Comment #8 from rguenther at suse dot de --- On Tue, 5 Dec 2023, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112303 > > Jakub Jelinek changed: > >What|Removed

[Bug target/112773] [14 Regression] RISC-V ICE: in force_align_down_and_div, at poly-int.h:1828 on rv32gcv_zvl256b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112773 --- Comment #12 from rguenther at suse dot de --- On Fri, 1 Dec 2023, rdapp at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112773 > > --- Comment #11 from Robin Dapp --- > When I define a vec_extract...b

[Bug target/112411] ICE: SIGSEGV with --param=min-nondebug-insn-uid=2147483647 on powerpc64le-unknown-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112411 --- Comment #6 from rguenther at suse dot de --- On Thu, 30 Nov 2023, zsojka at seznam dot cz wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112411 > > --- Comment #5 from Zdenek Sojka --- > Thank you for the evaluation.

[Bug middle-end/32667] block copy with exact overlap is expanded as memcpy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32667 --- Comment #53 from rguenther at suse dot de --- On Tue, 28 Nov 2023, post+gcc at ralfj dot de wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32667 > > --- Comment #51 from post+gcc at ralfj dot de --- > Oh great, I love

[Bug tree-optimization/52252] An opportunity for x86 gcc vectorizer (gain up to 3 times)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52252 --- Comment #11 from rguenther at suse dot de --- On Tue, 28 Nov 2023, pinskia at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52252 > > Andrew Pinski changed: > >W

[Bug lto/112716] LTO optimization with struct with variable size

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112716 --- Comment #6 from rguenther at suse dot de --- On Mon, 27 Nov 2023, muecker at gwdg dot de wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112716 > > --- Comment #5 from Martin Uecker --- > It works (and is requ

[Bug bootstrap/111601] [14 Regression] profilebootstrap fails in stagestrain in libcody on x86_64-linux-gnu and powerpc64le-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111601 --- Comment #12 from rguenther at suse dot de --- On Mon, 27 Nov 2023, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111601 > > --- Comment #11 from Jakub Jelinek --- > r14-4662 still builds ok

[Bug middle-end/112653] PTA should handle correctly escape information of values returned by a function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112653 --- Comment #9 from rguenther at suse dot de --- On Fri, 24 Nov 2023, hubicka at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112653 > > --- Comment #8 from Jan Hubicka --- > On ARM32 and other tar

[Bug middle-end/111655] [11/12/13/14 Regression] wrong code generated for __builtin_signbit and 0./0. on x86-64 -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655 --- Comment #14 from rguenther at suse dot de --- On Fri, 24 Nov 2023, amonakov at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655 > > --- Comment #13 from Alexander Monakov --- > > Then there is

[Bug middle-end/32667] block copy with exact overlap is expanded as memcpy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32667 --- Comment #33 from rguenther at suse dot de --- On Thu, 23 Nov 2023, fw at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32667 > > --- Comment #32 from Florian Weimer --- > There's this in standards.tex

[Bug middle-end/32667] block copy with exact overlap is expanded as memcpy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32667 --- Comment #25 from rguenther at suse dot de --- On Tue, 21 Nov 2023, bugdal at aerifal dot cx wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32667 > > Rich Felker changed: > >What|Removed

[Bug tree-optimization/111970] [14 regression] SLP for non-IFN gathers result in RISC-V test failure on gather since r14-4745-gbeab5b95c58145

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111970 --- Comment #15 from rguenther at suse dot de --- On Mon, 20 Nov 2023, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111970 > > --- Comment #11 from JuzheZhong --- > Hi, Richard. >

[Bug tree-optimization/109088] GCC does not always vectorize conditional reduction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109088 --- Comment #22 from rguenther at suse dot de --- On Thu, 16 Nov 2023, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109088 > > --- Comment #21 from JuzheZhong --- > Thanks Richi. > > D

[Bug tree-optimization/112374] [14 Regression] Failed bootstrap with `--with-arch=skylake-avx512 --with-cpu=skylake-avx512`, causes a comparison failure since r14-5076-g01c18f58d37865d5f3bbe93e666183b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112374 --- Comment #33 from rguenther at suse dot de --- On Wed, 15 Nov 2023, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112374 > > --- Comment #29 from Jakub Jelinek --- > --- gcc/tree-vect-loop.cc.j

[Bug tree-optimization/109088] GCC does not always vectorize conditional reduction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109088 --- Comment #20 from rguenther at suse dot de --- On Wed, 15 Nov 2023, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109088 > > --- Comment #19 from JuzheZhong --- >

[Bug target/112481] [14 Regression] RISCV: ICE: Segmentation fault when compiling pr110817-3.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112481 --- Comment #9 from rguenther at suse dot de --- On Tue, 14 Nov 2023, ams at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112481 > > --- Comment #7 from Andrew Stubbs --- > Simply changing to OPTAB_

[Bug c/111811] [14 Regression] ICE with vector float bitfield after error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111811 --- Comment #5 from rguenther at suse dot de --- On Mon, 13 Nov 2023, joseph at codesourcery dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111811 > > --- Comment #4 from joseph at codesourcery dot com

[Bug target/112481] [14 Regression] RISCV: ICE: Segmentation fault when compiling pr110817-3.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112481 --- Comment #6 from rguenther at suse dot de --- On Mon, 13 Nov 2023, ams at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112481 > > Andrew Stubbs changed: > >What|Removed

[Bug c/112420] Unexpected vectorization for RISC-V

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112420 --- Comment #3 from rguenther at suse dot de --- On Tue, 7 Nov 2023, juzhe.zhong at rivai dot ai wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112420 > > --- Comment #2 from JuzheZhong --- > (In reply to Richard Biener

[Bug middle-end/112359] [14 Regression] ICE: in expand_fn_using_insn, at internal-fn.cc:215 with -O -ftree-loop-if-convert -mavx512fp16

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112359 --- Comment #3 from rguenther at suse dot de --- On Mon, 6 Nov 2023, rdapp at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112359 > > --- Comment #2 from Robin Dapp --- > Would something like

[Bug tree-optimization/112361] [14 Regression] avx512f-reduce-op-1.c miscompiled since r14-5076

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112361 --- Comment #7 from rguenther at suse dot de --- On Mon, 6 Nov 2023, rdapp at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112361 > > --- Comment #6 from Robin Dapp --- > So "before" we create

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