[Bug testsuite/114568] [14 regression] g++.dg/vect/pr84556.cc fails to produce executable since r14-9706-gb8e7aaaf350a45

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114568 --- Comment #5 from Maxim Kuvyrkov --- Looking at this problem more, I think the issue is due to ARM target trying hard to avoid UNSUPPORTED tests, instead of embracing them. For the vectorization NEON check we have ... === proc check_effective

[Bug testsuite/114568] [14 regression] g++.dg/vect/pr84556.cc fails to produce executable since r14-9706-gb8e7aaaf350a45

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114568 --- Comment #3 from Maxim Kuvyrkov --- Changing from compile-only to link test is as simple as changing "object" to "executable" in [check_no_compiler_messages_nocache arm_neon_ok object ...] . However, ... this pattern of checking for ARM arch

[Bug testsuite/114568] [14 regression] g++.dg/vect/pr84556.cc fails to produce executable since r14-9706-gb8e7aaaf350a45

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114568 Maxim Kuvyrkov changed: What|Removed |Added CC||clyon at gcc dot gnu.org,

[Bug testsuite/114307] [ARM] Vectorization tests not disabled for vector-less targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114307 Maxim Kuvyrkov changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug testsuite/114307] [ARM] Vectorization tests not disabled for vector-less targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114307 --- Comment #8 from Maxim Kuvyrkov --- Patch posted: https://patchwork.sourceware.org/project/gcc/patch/20240313105839.2785627-1-maxim.kuvyr...@linaro.org/

[Bug testsuite/114307] [ARM] Vectorization tests not disabled for vector-less targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114307 Maxim Kuvyrkov changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |mkuvyrkov at gcc dot gnu.org -

[Bug target/99829] MVE: ICE in lra_assign at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99829 --- Comment #5 from Maxim Kuvyrkov --- Hi Vladimir, The email you got from Linaro CI was about tests the ICE changing "names" due to assert in lra-assigns.cc changing line numbers. E.g., FAIL: c-c++-common/torture/vshuf-v16qi.c -O3 -g (interna

[Bug testsuite/114307] [ARM] Vectorization tests not disabled for vector-less targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114307 --- Comment #5 from Maxim Kuvyrkov --- Thanks to Christophe L. for explaining the logic behind "is-effective-target arm_neon_ok". The issue is that "/* { dg-options "-O3" } */" in pr113576.c overrides DEFAULT_VECTFLAGS set by check_vect_support

[Bug target/99829] MVE: ICE in lra_assign at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99829 Maxim Kuvyrkov changed: What|Removed |Added CC||vmakarov at gcc dot gnu.org --- Comment

[Bug testsuite/114307] [ARM] GCC generates instruction that assembler rejects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114307 --- Comment #4 from Maxim Kuvyrkov --- What I don't understand is why vect.exp tests run at all for 32-bit ARM non-neon targets. All vect.exp are predicated on check_vect_support_and_set_flags, which, as far as I can tell, has only arm_neon_ok

[Bug target/114307] New: [ARM] GCC generates instruction that assembler rejects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114307 Bug ID: 114307 Summary: [ARM] GCC generates instruction that assembler rejects Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Comp

[Bug target/113542] [14 Regression] gcc.target/arm/bics_3.c regression after change for pr111267

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113542 Maxim Kuvyrkov changed: What|Removed |Added CC||rearnsha at gcc dot gnu.org

[Bug target/113542] [14 Regression] gcc.target/arm/bics_3.c regression after change for pr111267

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113542 Maxim Kuvyrkov changed: What|Removed |Added CC||mkuvyrkov at gcc dot gnu.org --- Comme

[Bug rtl-optimization/111267] [14 Regression] Codegen regression from i386 argument passing changes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111267 --- Comment #15 from Maxim Kuvyrkov --- (In reply to Maxim Kuvyrkov from comment #13) > We are seeing scan-assembler failures in a single 32-bit arm test. This > affects both linux and bare-metal targets: arm-linux-gnueabihf and > arm-none-eabi

[Bug rtl-optimization/111267] [14 Regression] Codegen regression from i386 argument passing changes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111267 Maxim Kuvyrkov changed: What|Removed |Added CC||mkuvyrkov at gcc dot gnu.org --- Comme

[Bug target/113485] [14 regression] ICE with -fno-guess-branch-probability on aarch64 starting with r14-7187-g74e3e839ab2d36

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113485 Maxim Kuvyrkov changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |rsandifo at gcc dot gnu.org --

[Bug bootstrap/113445] [14 Regression] bootstrap failure on f95-lang.cc: ‘-fcompare-debug’ failure since r14-8174

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113445 --- Comment #9 from Maxim Kuvyrkov --- (In reply to Jakub Jelinek from comment #8) > Committed now. Thanks, Jakub.

[Bug bootstrap/113445] [14 Regression] bootstrap failure on f95-lang.cc: ‘-fcompare-debug’ failure since r14-8174

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113445 --- Comment #4 from Maxim Kuvyrkov --- Testing patch https://gcc.gnu.org/pipermail/gcc-patches/2024-January/643267.html .

[Bug rtl-optimization/111554] [12/13 regression] Timeout with with "-O3 -fno-dse -fno-inline -fno-store-merging -fno-toplevel-reorder -fno-tree-dce -fno-tree-dse" since r12-2097-g9f34b780b0461e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111554 Maxim Kuvyrkov changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/96388] scheduling takes forever with -fPIC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96388 Maxim Kuvyrkov changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/111554] [12/13/14 regression] Timeout with with "-O3 -fno-dse -fno-inline -fno-store-merging -fno-toplevel-reorder -fno-tree-dce -fno-tree-dse" since r12-2097-g9f34b780b0461e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111554 --- Comment #12 from Maxim Kuvyrkov --- (In reply to Richard Biener from comment #11) > (In reply to Maxim Kuvyrkov from comment #10) > > This is, mostly, a dup of PR96388. > > With the problem in PR96388 fixed, I'm seeing strange -ftime-report

[Bug rtl-optimization/96388] scheduling takes forever with -fPIC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96388 --- Comment #16 from Maxim Kuvyrkov --- Posted patch in https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637419.html

[Bug rtl-optimization/111554] [12/13/14 regression] Timeout with with "-O3 -fno-dse -fno-inline -fno-store-merging -fno-toplevel-reorder -fno-tree-dce -fno-tree-dse" since r12-2097-g9f34b780b0461e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111554 Maxim Kuvyrkov changed: What|Removed |Added Status|NEW |ASSIGNED --- Comment #10 from Maxim Ku

[Bug rtl-optimization/96388] scheduling takes forever with -fPIC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96388 Maxim Kuvyrkov changed: What|Removed |Added Status|NEW |ASSIGNED --- Comment #15 from Maxim Kuv

[Bug rtl-optimization/111554] [12/13/14 regression] Timeout with with "-O3 -fno-dse -fno-inline -fno-store-merging -fno-toplevel-reorder -fno-tree-dce -fno-tree-dse" since r12-2097-g9f34b780b0461e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111554 Maxim Kuvyrkov changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |mkuvyrkov at gcc dot gnu.org -

[Bug rtl-optimization/96388] scheduling takes forever with -fPIC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96388 Maxim Kuvyrkov changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |mkuvyrkov at gcc dot gnu.org --

[Bug bootstrap/107119] Bootstrap ICE on 32-bit ARM after r13-2871-g1b74b5cb4e9

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107119 Maxim Kuvyrkov changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug bootstrap/107119] Bootstrap ICE on 32-bit ARM after r13-2871-g1b74b5cb4e9

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107119 Maxim Kuvyrkov changed: What|Removed |Added CC||jeffreyalaw at gmail dot com,

[Bug bootstrap/107119] New: Bootstrap ICE on 32-bit ARM after r13-2871-g1b74b5cb4e9

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107119 Bug ID: 107119 Summary: Bootstrap ICE on 32-bit ARM after r13-2871-g1b74b5cb4e9 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Prior

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163 Bug 26163 depends on bug 90957, which changed state. Bug 90957 Summary: 453.povray is miscompiled with -flto -static https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90957 What|Removed |Added ---

[Bug lto/90957] 453.povray is miscompiled with -flto -static

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90957 Maxim Kuvyrkov changed: What|Removed |Added Resolution|--- |WONTFIX Status|WAITING

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163 Bug 26163 depends on bug 90378, which changed state. Bug 90378 Summary: [9/10/11/12 regression] -Os -flto miscompiles 454.calculix after r266385 on Arm https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90378 What|Removed

[Bug rtl-optimization/90378] [9/10/11/12 regression] -Os -flto miscompiles 454.calculix after r266385 on Arm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90378 Maxim Kuvyrkov changed: What|Removed |Added Resolution|--- |WORKSFORME Status|NEW

[Bug target/86968] Unaligned big-endian (scalar_storage_order) access on armv7-a yields 4 ldrb instructions rather than ldr+rev

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86968 Maxim Kuvyrkov changed: What|Removed |Added Status|ASSIGNED|UNCONFIRMED Ever confirmed|1

[Bug target/86968] Unaligned big-endian (scalar_storage_order) access on armv7-a yields 4 ldrb instructions rather than ldr+rev

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86968 Maxim Kuvyrkov changed: What|Removed |Added CC||mkuvyrkov at gcc dot gnu.org

[Bug target/95958] [meta-bug] Inefficient arm_neon.h code for AArch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95958 Bug 95958 depends on bug 91598, which changed state. Bug 91598 Summary: [9 regression] 60% speed drop on neon intrinsic loop https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91598 What|Removed |Added ---

[Bug target/47562] [meta-bug] keep track of Neon Intrinsics enhancements

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47562 Bug 47562 depends on bug 91598, which changed state. Bug 91598 Summary: [9 regression] 60% speed drop on neon intrinsic loop https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91598 What|Removed |Added ---

[Bug target/91598] [9 regression] 60% speed drop on neon intrinsic loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91598 Maxim Kuvyrkov changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/91598] [9 regression] 60% speed drop on neon intrinsic loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91598 --- Comment #12 from Maxim Kuvyrkov --- (In reply to Tamar Christina from comment #11) > Can this issue be closed? all inline assembly have been removed from > arm_neon.h but backporting these are extremely unlikely.. (some are > intrusive) Hi T

[Bug testsuite/101506] [12 Regression] gcc.target/aarch64/vect-fmaxv-fminv-compile.c fail after gcc-12-2292-g1dd3f2109585

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101506 Maxim Kuvyrkov changed: What|Removed |Added CC||rsandifo at gcc dot gnu.org --- Commen

[Bug tree-optimization/101506] [12 Regression] gcc.target/aarch64/vect-fmaxv-fminv-compile.c fail after gcc-12-2292-g1dd3f2109585

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101506 Maxim Kuvyrkov changed: What|Removed |Added CC||rguenth at gcc dot gnu.org --- Comment

[Bug tree-optimization/101506] New: [12 Regression] gcc.target/aarch64/vect-fmaxv-fminv-compile.c fail after gcc-12-2292-g1dd3f2109585

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101506 Bug ID: 101506 Summary: [12 Regression] gcc.target/aarch64/vect-fmaxv-fminv-compile.c fail after gcc-12-2292-g1dd3f2109585 Product: gcc Version: 12.0

[Bug rtl-optimization/90378] [9/10/11/12 regression] -Os -flto miscompiles 454.calculix after r266385 on Arm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90378 --- Comment #12 from Maxim Kuvyrkov --- I'm now more of the opinion that this problem is due to the unfortunate stack layout on older ARMv7 systems. I.e., LTO increases stack usage, which causes the process to run out of stack. I don't think an

[Bug middle-end/100537] Bootstrap-O3 and bootstrap-debug fail on 32-bit ARM after gcc-12-657-ga076632e274a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100537 --- Comment #2 from Maxim Kuvyrkov --- So far I managed to reproduce this only with armhf Go build, so one needs go1 binary from either a native armhf system or an armhf cross-toolchain to reproduce. To reproduce on a native system configure GC

[Bug middle-end/100537] Bootstrap-O3 and bootstrap-debug fail on 32-bit ARM after gcc-12-657-ga076632e274a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100537 Maxim Kuvyrkov changed: What|Removed |Added CC||rguenth at gcc dot gnu.org

[Bug middle-end/100537] New: Bootstrap-O3 and bootstrap-debug fail on 32-bit ARM after gcc-12-657-ga076632e274a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100537 Bug ID: 100537 Summary: Bootstrap-O3 and bootstrap-debug fail on 32-bit ARM after gcc-12-657-ga076632e274a Product: gcc Version: 12.0 Status: UNCONFIRMED Sever

[Bug bootstrap/99983] [9/10 regression] ICE in bootstrap while building libstdc++

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99983 --- Comment #8 from Maxim Kuvyrkov --- I'll revert on gcc-10 and then backport the revert to gcc-9.

[Bug bootstrap/99983] [10 regression] ICE in bootstrap while building libstdc++

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99983 Maxim Kuvyrkov changed: What|Removed |Added Build|powerpc64*-linux-gnu|powerpc64*-linux-gnu

[Bug tree-optimization/98415] [11 Regression] GCC crashes on Linux kernel build after r11-6271-g69165332a914f1167c3077fa1f57afc64fd8a667

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98415 Maxim Kuvyrkov changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org --- Com

[Bug tree-optimization/98415] [11 Regression] GCC crashes on Linux kernel build after r11-6271-g69165332a914f1167c3077fa1f57afc64fd8a667

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98415 --- Comment #1 from Maxim Kuvyrkov --- Created attachment 49826 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49826&action=edit Reduced testcase

[Bug tree-optimization/98415] New: [11 Regression] GCC crashes on Linux kernel build after r11-6271-g69165332a914f1167c3077fa1f57afc64fd8a667

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98415 Bug ID: 98415 Summary: [11 Regression] GCC crashes on Linux kernel build after r11-6271-g69165332a914f1167c3077fa1f57afc64fd8a667 Product: gcc Version: 11.0

[Bug rtl-optimization/98246] [11 Regression] Linux kernel build fails after 6fbec038f7a7

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98246 Maxim Kuvyrkov changed: What|Removed |Added CC||mkuvyrkov at gcc dot gnu.org

[Bug rtl-optimization/98246] New: [11 Regression] Linux kernel build fails after 6fbec038f7a7

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98246 Bug ID: 98246 Summary: [11 Regression] Linux kernel build fails after 6fbec038f7a7 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Pri

[Bug target/97323] [10/11 Regression] ICE 'verify_type' failed on arm-linux-gnueabihf

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97323 Maxim Kuvyrkov changed: What|Removed |Added CC||mkuvyrkov at gcc dot gnu.org,