[Bug target/119533] RISC-V: libgo build failures (ICE) with Vector enabled

2025-04-15 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119533 Jeffrey A. Law changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/119592] [12/13/14/15 Regression] false positive array bounds warning with set>

2025-04-09 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119592 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug testsuite/119382] [15 Regression] gcc.target/powerpc/vsx-builtin-7.c fail starting with r15-7961-gdc47161c1f32c3

2025-04-09 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119382 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/119664] [15 regression] ICE compiling Linux with h8300-linux compiler

2025-04-08 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119664 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P4

[Bug target/119572] [15 Regression] Recent change triggers regression on RISC-V vector test since r15-9062

2025-04-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119572 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug target/119539] [15 Regression] FAIL: gcc.target/i386/apx-nf.c scan-assembler-times {nf} rol 4

2025-04-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119539 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug fortran/119540] [15 Regression] FAIL: gfortran.dg/reduce_1.f90 -O0 execution test

2025-04-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119540 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P4

[Bug target/119581] Failure to use vector vandn instruction on RISC-V

2025-04-01 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119581 --- Comment #2 from Jeffrey A. Law --- Thanks Pan. I've got an intern working in this space, and this may be a good exercise for them. So definitely reach out before you dive in to see if she's gotten to this issue yet.

[Bug target/119581] New: Failure to use vector vandn instruction on RISC-V

2025-04-01 Thread law at gcc dot gnu.org via Gcc-bugs
Component: target Assignee: unassigned at gcc dot gnu.org Reporter: law at gcc dot gnu.org Target Milestone: --- #include void andn(int *a, int mask) { for (int i = 0; i < 256; i++) a[i] &= ~mask; } Should compile down into a vandn. Support for this was r

[Bug target/119572] [15 Regression] Recent change triggers regression on RISC-V vector test

2025-04-01 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119572 Jeffrey A. Law changed: What|Removed |Added Target Milestone|--- |15.0 Priority|P3

[Bug target/119572] New: [15 Regression] Recent change triggers regression on RISC-V vector test

2025-04-01 Thread law at gcc dot gnu.org via Gcc-bugs
: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: law at gcc dot gnu.org Target Milestone: --- This change: commit 70391e3958db791edea4e877636592de47a785e7 Author: Kyrylo Tkachov Date: Mon Mar 24 01:53:06 2025 -0700

[Bug rtl-optimization/119554] [risc-v][bug] Unusual Behavior Observed with RISC-V Vector Extension (RVV)

2025-03-31 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119554 Jeffrey A. Law changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/119393] [15 Regression] Worse vectorization of imagick_r hot loop on aarch64 since r15-5024-g2a2e6784074e1f

2025-03-29 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119393 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/119411] [15 Regression] 5% slowdown of 505.mcf_r on Aarch64

2025-03-29 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119411 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/119413] [15 Regression] 11% slowdown (but only 3% regression against GCC 14) of 507.cactuBSSN_r on Aarch64

2025-03-29 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119413 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/119473] [15 Regression] __builtin_ia32_vaesdec_v32qi() emits wrong base register with -mvaes -O2 -mapxf -m64

2025-03-29 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119473 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P1

[Bug tree-optimization/119493] [12/13/14/15 Regression] missing tail call to self with struct in some cases

2025-03-29 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119493 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/119433] New: [RISC-V] Reduce critical path with a 2->2 split

2025-03-22 Thread law at gcc dot gnu.org via Gcc-bugs
mal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: law at gcc dot gnu.org Target Milestone: --- Target: riscv Keywords: missed-optimization Target: riscv This testcase when compiled with

[Bug rtl-optimization/119362] tree-object-size.cc:1377:1: error: unrecognizable insn

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119362 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P4

[Bug target/118410] Use Zbb extensions to improve code generation for some logicals

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118410 Jeffrey A. Law changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |law at gcc dot gnu.org

[Bug target/116698] [12/13/14/15 Regression] ICE: in add_cfi_args_size, at dwarf2cfi.cc:501 with -O -finstrument-functions -fstack-check=generic -m32 -mrtd -maccumulate-outgoing-args

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116698 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P4

[Bug target/119298] [15 Regression] 538.imagick_r is faster when compiled with GCC 14.2 and -Ofast -flto -march=native than with master on Zen5 since r15-3441-g4292297a0f938f

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119298 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug jit/117903] [15 Regression] gcc_jit_block_add_assignment_op GCC_JIT_BINARY_OP_BITWISE_XOR rejects vector types

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117903 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug tree-optimization/119293] [15 Regression] gcc.dg/vect/vect-121.c fails since r15-6811-g086031c0585985

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119293 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/119357] [15 regression] ICE when building highway-1.0.7 on x86

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119357 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P1

[Bug middle-end/26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163 Bug 26163 depends on bug 119168, which changed state. Bug 119168 Summary: [15 Regression] 5% 477.dealII slowdown since r15-7605-gc5752c1f01316a https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119168 What|Removed |

[Bug target/118957] [15 Regression] 5-9% slowdown of 511.povray_r and 453.povray since r15-7400-gd3ff498c478ace

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118957 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug middle-end/26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163 Bug 26163 depends on bug 118957, which changed state. Bug 118957 Summary: [15 Regression] 5-9% slowdown of 511.povray_r and 453.povray since r15-7400-gd3ff498c478ace https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118957 What|Removed

[Bug target/118966] [15 Regression] 6% slowdown of 464.h264ref on Aarch64

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118966 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug middle-end/26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163 Bug 26163 depends on bug 118966, which changed state. Bug 118966 Summary: [15 Regression] 6% slowdown of 464.h264ref on Aarch64 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118966 What|Removed |Added ---

[Bug target/119159] [15 Regression] 6% slowdown of 520.omnetpp_r on aarch64

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119159 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug middle-end/26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163 Bug 26163 depends on bug 119159, which changed state. Bug 119159 Summary: [15 Regression] 6% slowdown of 520.omnetpp_r on aarch64 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119159 What|Removed |Added -

[Bug target/119168] [15 Regression] 5% 477.dealII slowdown since r15-7605-gc5752c1f01316a

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119168 Jeffrey A. Law changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug rtl-optimization/119285] [15 Regression] 5% slowdown of 519.lbm_r on Zen2 and Zen4 since r15-7932-ge355fe414aa3aa

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119285 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug sanitizer/119356] [15 regression] libsanitizer fails to build on riscv musl

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119356 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P4

[Bug target/119348] [15 Regression] risc-v vector tuple casting optimization regression

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119348 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P4

[Bug tree-optimization/119351] [15 Regression] Wrong code in GROMACS for AArch64 generic SVE VLS target

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119351 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P1

[Bug middle-end/26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)

2025-03-18 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163 Bug 26163 depends on bug 119285, which changed state. Bug 119285 Summary: [15 Regression] 5% slowdown of 519.lbm_r on Zen2 and Zen4 since r15-7932-ge355fe414aa3aa https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119285 What|Removed

[Bug target/119270] [15 Regression] 5% slowdown of 507.cactuBSSN_r on Intel Ice Lake

2025-03-14 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119270 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/119159] [15 Regression] 6% slowdown of 520.omnetpp_r on aarch64

2025-03-14 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119159 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/119168] [15 Regression] 5% 477.dealII slowdown since r15-7605-gc5752c1f01316a

2025-03-14 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119168 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug rtl-optimization/119285] [15 Regression] 5% slowdown of 519.lbm_r on Zen2 and Zen4 since r15-7932-ge355fe414aa3aa

2025-03-14 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119285 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug rtl-optimization/119189] [15 Regression] Code quality regressions on aarch64 since ext-dce change r15-7915-g4ed07a11ee2845

2025-03-11 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119189 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug rtl-optimization/119189] [15 Regression] Code quality regressions on aarch64 since ext-dce change r15-7915-g4ed07a11ee2845

2025-03-10 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119189 --- Comment #3 from Jeffrey A. Law --- And just to confirm, with the patch I'm testing, these all snap back to passing.

[Bug rtl-optimization/119189] [15 Regression] Code quality regressions on aarch64 since ext-dce change r15-7915-g4ed07a11ee2845

2025-03-10 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119189 --- Comment #2 from Jeffrey A. Law --- Almost certainly the change I made to cut down on the size of the livein sets. It can leave the RTX iterator in an undesirable place in some cases resulting in missed optimizations. I saw it right before

[Bug rtl-optimization/119174] [15 Regression] IRA allocating value live across a call to call clobbered register

2025-03-10 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119174 Jeffrey A. Law changed: What|Removed |Added Priority|P1 |P4 --- Comment #14 from Jeffrey A. Law

[Bug rtl-optimization/117467] [15/16 Regression] 521.wrf_r again explodes memory/compile-time wise

2025-03-09 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117467 --- Comment #19 from Jeffrey A. Law --- Nuts. Busted most of the optimizations for rv64 with the change to the use side handling. I guess that's what I get for trying to generalize a pattern I was seeing -- I'd tested the ad-hoc variant on rv64

[Bug rtl-optimization/119174] [15 Regression] IRA allocating value live across a call to call clobbered register

2025-03-09 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119174 --- Comment #11 from Jeffrey A. Law --- Andrew. You're missing the point. This scenario isn't the kind of thing that reload and LRA are supposed to fix. They fix constraint problems. ie, I got the wrong kind of register (wrong register file)

[Bug rtl-optimization/119174] [15 Regression] IRA allocating value live across a call to call clobbered register

2025-03-09 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119174 --- Comment #6 from Jeffrey A. Law --- I think the mcore failure was graphite/interchange-0. On the topic of reload vs LRA. The code is broken before IRA hands off to LRA/reload in the msp430 case.

[Bug rtl-optimization/119174] [15 Regression] IRA allocating value live across a call to call clobbered register

2025-03-09 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119174 Jeffrey A. Law changed: What|Removed |Added Target||msp430-elf CC|

[Bug rtl-optimization/119174] New: [15 Regression] IRA allocating value live across a call to call clobbered register

2025-03-09 Thread law at gcc dot gnu.org via Gcc-bugs
Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: law at gcc dot gnu.org Target Milestone: --- Since this change: commit b191e8bdecf881d11c1544c441e38f4c18392a15 (HEAD) Author: Richard Sandiford Date

[Bug rtl-optimization/117467] [15/16 Regression] 521.wrf_r again explodes memory/compile-time wise

2025-03-07 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117467 --- Comment #16 from Jeffrey A. Law --- OK. Funny I'd just been looking at this problem in a different context. When an RTX is encountered when handling uses that the code does not know how to handle it will, in effect, continue normal iterati

[Bug rtl-optimization/117467] [15/16 Regression] 521.wrf_r again explodes memory/compile-time wise

2025-03-07 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117467 --- Comment #15 from Jeffrey A. Law --- So what's weird here is on that file for riscv64, after removing the memory based limiter, I see ext-dce at .94s out of 295s of cpu time and I never see a major memory spike -- I don't ever see it get much

[Bug rtl-optimization/119099] [15 regression] Compile-time hang in ext-dce

2025-03-06 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119099 Jeffrey A. Law changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/119099] [15 regression] Compile-time hang in ext-dce

2025-03-06 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119099 --- Comment #9 from Jeffrey A. Law --- No worries on the dual submission. If that's the biggest problem I have to deal with today, I'll consider it a good day.

[Bug rtl-optimization/119099] [15 regression] Compile-time hang in ext-dce

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119099 --- Comment #6 from Jeffrey A. Law --- Sorry my bad. Conflated bi-direction dataflow with the sets expanding/contracting. We don't do bi-directional dataflow in here. In this case it's the dataflow sets contracting and expanding and never con

[Bug testsuite/116080] [15 regression] New tests from r15-2233-g8d1af8f904a0c0 fail

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116080 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug testsuite/102954] [12/13/14/15 regression] gcc.dg/vect/pr33804.c XPASSes

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102954 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug sanitizer/108083] [12/13/14/15 regression] Missed memory leak detection (code with memory leak does not get triggered when I run the executable)

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108083 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/115118] [15 Regression] 5-13% slowdown of 470.lbm on zen4

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115118 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug tree-optimization/111750] [12/13/14/15 regression] Spurious -Warray-bounds warning when using member function pointers

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111750 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug rtl-optimization/115835] [15 regression] FAIL: gcc.target/s390/section-anchors.c since r15-1579-g792f97b44ffc5e

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115835 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/115842] [15 Regression] 6.5% slowdown of 548.exchange2_r on Intel Ice Lake

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115842 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/116078] [15 Regression] 10-12% slowdown of 436.cactusADM on AMD Zen2 since r15-2187-g838999bb23303e

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116078 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug libstdc++/116140] [15 Regression] 5-10% slowdown of 483.xalancbmk and 523.xalancbmk_r since r15-2356-ge69456ff9a54ba

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116140 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug tree-optimization/116463] [15 Regression] complex multiply vectorizer detection failures after r15-3087-gb07f8a301158e5

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116463 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/116507] [15 Regression] movhi_aarch64 should use fmov if FP16

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116507 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug tree-optimization/116761] [15 Regression] 4-6% slowdown of 465.tonto on AMD Zen3/4 since r15-3509-gd34cda72098867

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116761 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/116901] [15 Regression] pr110625_4.c fails on aarch64 since r15-3794-g2c04f175de4f39

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116901 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/117088] [15 regression] 548.exchange_r regressed by ~11% with -O2 -march=x86-64-v3 on EMR after r15-4225-g70c3db511ba14f

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117088 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug tree-optimization/116998] [15 Regression] 5% slowdown of 400.perlbench on AMD Zen3/4 since r15-3986-g3e1bd6470e4deb

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116998 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/117092] [15 regression] gcc.target/aarch64/pr109072_1.c check-function-bodies s16x4_2 fail since r15-4235-gbcccc3221b838e

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117092 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/117207] [15 Regression] gcc.target/powerpc/pr103515.c fail starting with r15-4225-g70c3db511ba14f

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117207 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/117270] [15 Regression] 9% exec time slowdown of 538.imagick_r on aarch64

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117270 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug libgcc/117600] [15 regression] libgcc arm build doesn't respect --disable-werror

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117600 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug tree-optimization/117705] [15 regression] g++.dg/vect/pr64410.cc and gcc.dg/tree-ssa/pr32964.c FAIL

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117705 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug rtl-optimization/117706] [15 regression] gcc.dg/ira-shrinkwrap-prep-1.c etc. XPASS

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117706 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug middle-end/117932] [15 Regression] 100% compile-time slowdown from r15-518-g99b1daae18c095 for PR26854 testcase at -O2

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117932 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug ipa/118318] [15 regression] ICE when building firefox-134.0 with PGO

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118318 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P1

[Bug target/118351] [15 Regression] 6% regression in 470.lbm_r in SPECCPU 2006 on AArch64 since r15-6661-gc5db3f50bdf34e

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118351 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug rtl-optimization/118610] [15 regression] gcc.dg/pr85467.c FAILs

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118610 --- Comment #4 from Jeffrey A. Law --- Given the range in question this seems relevant: ommit 01339d29b7663d85eea6145eac2b1ad1da428c11 Author: Vladimir N. Makarov Date: Tue Jan 28 08:37:33 2025 -0500 [PR118663][LRA]: Change secondary me

[Bug rtl-optimization/118914] [15 Regression] rev16_2.c fails since r15-268

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118914 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug target/119108] [15 Regression] AArch64 Commit 'vect: Force alignment peeling ...' (r15-6807-g68326d5d1a593d) causes regression in Snappy workload for -mcpu=neoverse-v2.

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119108 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2

[Bug libstdc++/119110] [15 regression] 25_algorithms/move/constrained.cc etc. FAIL

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119110 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P1

[Bug rtl-optimization/119115] [15 regression] RISC-V: miscompile at -O3 with zvl256b -fsigned-char -fwrapv since r15-1579-g792f97b44ff

2025-03-05 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119115 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P4

[Bug rtl-optimization/119099] [15 regression] Compile-time hang in ext-dce

2025-03-04 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119099 Jeffrey A. Law changed: What|Removed |Added CC||vineetg at rivosinc dot com --- Commen

[Bug target/119100] RISC-V: missed opportunities for vector-scalar instructions

2025-03-03 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119100 --- Comment #2 from Jeffrey A. Law --- It's even more complicated than that. You have to consider that there can be a cost to move data across the units. ie, it may actually be cheaper to use the variant that broadcasts the value across a vect

[Bug rtl-optimization/119099] [15 regression] Compile-time hang in ext-dce

2025-03-03 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119099 Jeffrey A. Law changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug target/106585] RISC-V: Mis-optimized code gen for zbs

2025-03-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106585 --- Comment #13 from Jeffrey A. Law --- Yea, I definitely explored the ext-dce approach before for a different testcase. But I think it's really the only viable path I see. A quick POC results in: bclra0,a0,a1# 12[c=4

[Bug target/106585] RISC-V: Mis-optimized code gen for zbs

2025-03-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106585 --- Comment #12 from Jeffrey A. Law --- Looking at this again after nearly 2 years. At ud-dce things are actually not in bad shape: (insn 7 4 8 2 (set (reg:SI 141) (const_int 1 [0x1])) "j.c":2:20 278 {*movsi_internal} (nil)) (insn

[Bug rtl-optimization/110163] [14/15 Regression] Comparing against a constant string is inefficient on some targets

2025-03-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110163 Jeffrey A. Law changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/111428] RISC-V vector: Flaky segfault in {min|max}val_char_{1|2}.f90

2025-03-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111428 Jeffrey A. Law changed: What|Removed |Added Last reconfirmed||2025-03-03 Status|UNCONFIR

[Bug target/112651] RISC-V Vector new option -mvect-lmul required to force LMUL values (rather than --param=riscv-autovec-lmul to hint at values)

2025-03-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112651 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug middle-end/114069] Type punning RISC-V and SVE vectors causes ICE at -O1

2025-03-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114069 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/103433] ICE in convert_move, at expr.c:219

2025-03-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103433 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug middle-end/114069] Type punning RISC-V and SVE vectors causes ICE at -O1

2025-03-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114069 Bug 114069 depends on bug 103433, which changed state. Bug 103433 Summary: ICE in convert_move, at expr.c:219 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103433 What|Removed |Added

[Bug target/115322] SPEC2006 403.gcc internal error

2025-03-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115322 --- Comment #3 from Jeffrey A. Law --- Unfortunately, you're likely going to have to do much of the debugging yourself. spec2k6 is licensed software that everyone does not have access to. What I would recommend would be to use qemu's remote de

[Bug target/118931] [15 Regression] RISC-V: rv64gcv miscompile at -O[23] since r15-3228-g771256bcb9d

2025-03-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118931 Jeffrey A. Law changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/113739] ICE: in riscv_hard_regno_nregs, at config/riscv/riscv.cc:8072 with __attribute__((__target__("arch=rv64gcv")))

2025-03-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113739 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |WORKSFORME Status|UNCONFIR

[Bug target/113112] RISC-V: Dynamic LMUL feature stabilization for GCC-14 release

2025-03-02 Thread law at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113112 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

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