[Bug c++/38787] New: generating non-conforming "rep retn"

ponent: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: zsojka at seznam dot cz GCC host triplet: x86_64-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38787

[Bug c++/38787] generating non-conforming "rep retn"

--- Comment #2 from zsojka at seznam dot cz 2009-01-09 18:21 --- (In reply to comment #1) > rep ret isn't bogus, please see > http://gcc.gnu.org/ml/gcc-patches/2003-05/msg02117.html > Thank you, I didn't know (or forgot) AMD recommends this. Hopefully the "rep

[Bug c++/38844] New: [4.3/4.4 Regression] deadlock with __attribute__((always_inline)) at -O1 and above

Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: zsojka at seznam dot cz GCC host triplet: x86_64-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38844

[Bug c++/38844] [4.3/4.4 Regression] deadlock with __attribute__((always_inline)) at -O1 and above

--- Comment #1 from zsojka at seznam dot cz 2009-01-14 18:14 --- Created an attachment (id=17100) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17100&action=view) preprocessed source -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38844

[Bug c++/38844] [4.3/4.4 Regression] deadlock with __attribute__((always_inline)) at -O1 and above

--- Comment #2 from zsojka at seznam dot cz 2009-01-14 19:03 --- Created an attachment (id=17102) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17102&action=view) another testcase, this one fails _only_ with -O1 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38844

[Bug c/40747] New: [4.4/4.5 Regression] wrong code for int-is-in-range test at -O1 and above

ge test at -O1 and above Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: zsojka at seznam dot

[Bug c/40747] [4.4/4.5 Regression] wrong code for int-is-in-range test at -O1 and above

--- Comment #1 from zsojka at seznam dot cz 2009-07-14 16:35 --- Created an attachment (id=18194) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18194&action=view) preprocessed source most of that file is content of included -- http://gcc.gnu.org/bugzilla/show_bug

[Bug c/40748] New: simple switch/case, if/else and arithmetics result in different code

Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: zsojka at seznam dot cz GCC host triplet: x86_64-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40748

[Bug c/40748] simple switch/case, if/else and arithmetics result in different code

--- Comment #1 from zsojka at seznam dot cz 2009-07-14 17:11 --- Created an attachment (id=18195) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18195&action=view) testcase Even at -O3, f1() and f2() don't have the same code as f3(). -- http://gcc.gnu.

[Bug tree-optimization/40771] New: generated code is ~25% slower when autovectorization is enabled

enabled Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: enhancement Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: zsojka at seznam dot cz GCC

[Bug tree-optimization/40771] generated code is ~25% slower when autovectorization is enabled

--- Comment #1 from zsojka at seznam dot cz 2009-07-16 15:06 --- Created an attachment (id=18205) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18205&action=view) preprocessed source Includes contents of headers , -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40771

[Bug tree-optimization/40771] generated code is ~25% slower when autovectorization is enabled

--- Comment #2 from zsojka at seznam dot cz 2009-07-16 15:06 --- # ./gcc -v Using built-in specs. Target: x86_64-unknown-linux-gnu Configured with: ../configure --enable-languages=c,c++ --prefix=/mnt/svn/gcc-trunk/build/ Thread model: posix gcc version 4.5.0 20090714 (experimental) (GCC

[Bug rtl-optimization/40772] New: generating rendundant moves from second byte of 32b/64b register

: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: enhancement Priority: P3 Component: rtl-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: zsojka at seznam dot cz GCC host triplet: x86_64-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40772

[Bug rtl-optimization/40772] generating rendundant moves from second byte of 32b/64b register

--- Comment #1 from zsojka at seznam dot cz 2009-07-16 15:34 --- Created an attachment (id=18206) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18206&action=view) preprocessed source of test code Runs 1 << 24 iterations, prints average time in ticks. -- http:

[Bug rtl-optimization/40772] generating rendundant moves from second byte of 32b/64b register

--- Comment #2 from zsojka at seznam dot cz 2009-07-16 15:42 --- When data[j] = ((i + j) & 0xFF00) >> 8; is replaced by data[j] = (i + j) >> 8; generated asm uses "shr eax, 8" instead of "movzx eax, ah", and runs

[Bug rtl-optimization/40772] generating rendundant moves from second byte of 32b/64b register

--- Comment #4 from zsojka at seznam dot cz 2009-07-17 11:03 --- > The zero extension is done to avoid partial register stalls. I am sorry, this is explanation to me that the generated code is supposedly fastest, but only because of some "undocumented/unlucky" conditions

[Bug c++/30976] New: generating non-conforming "rep retn" with -match=athlon, k8 ; with -masm=intel fails

k8 ; with -masm=intel fails Product: gcc Version: 4.1.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: zsojka at seznam dot cz GCC buil

[Bug c++/30976] generating non-conforming "rep retn" with -match=athlon, k8 ; with -masm=intel fails

--- Comment #2 from zsojka at seznam dot cz 2007-02-27 00:36 --- (In reply to comment #1) > > *** This bug has been marked as a duplicate of 29473 *** > Sorry, I was searching at http://gcc.gnu.org/bugzilla/query.cgi in 'Open' bugs only. (anyway, this is another ca

[Bug c/37858] New: [4.3/4.4] ICE when "-fdump-ipa-all -dv" is used

ReportedBy: zsojka at seznam dot cz GCC host triplet: x86_64-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37858

[Bug analyzer/94028] ICE: in make_region_for_unexpected_tree_code, at analyzer/region-model.cc:4786 with -fanalyzer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94028 --- Comment #1 from Zdenek Sojka --- I can no longer reproduce this with r10-7026 , seems to be fixed by r10-7023

[Bug analyzer/94047] New: ICE: SIGSEGV in ana::region_model::get_lvalue_1() with -fanalyzer

-code Severity: normal Priority: P3 Component: analyzer Assignee: dmalcolm at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 47977 --> https://gcc.gnu.org/bugzi

[Bug target/94072] New: [10 Regression] ICE: SIGSEGV due to infinite recursion in expand_expr/expand_expr_real_1 with -msve-vector-bits=512

: 10.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc

[Bug ipa/94178] New: [10 Regression] wrong code with -fipa-sra + invalid -Wuninitialized warning

: wrong-code Severity: normal Priority: P3 Component: ipa Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: marxin at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Created

[Bug target/94185] [10 Regression] crashes with "error: unable to generate reloads for {*zero_extendsidi2} internal compiler error: in curr_insn_transform, at lra-constraints.c:4006

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94185 --- Comment #3 from Zdenek Sojka --- I am hitting probably the same issue: $ cat testcase.c int a, b, c; int foo (char e, short f, long g) { g = __builtin_mul_overflow (a, c, &b) ? g : (unsigned) g; g &= __builtin_clrsbll (b); return e + f

[Bug tree-optimization/94224] New: [10 Regression] ICE: SIGSEGV in output_merged_store (gimple-ssa-store-merging.c:4304) with -O2 -fnon-call-exceptions testcase.C

Version: 10.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone

[Bug target/94254] [10 regression] r10-7312 causes compiler hangs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94254 Zdenek Sojka changed: What|Removed |Added CC||zsojka at seznam dot cz --- Comment #1

[Bug target/94254] [10 regression] r10-7312 causes compiler hangs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94254 --- Comment #2 from Zdenek Sojka --- (In reply to Zdenek Sojka from comment #1) > I observe the same issue, and it breaks libgcc build for me: ... > > (for reasons unknown to me, git gcc-descr returns "r10-7320" for me for the > same git checko

[Bug target/94254] [10 regression] r10-7312 causes compiler hangs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94254 --- Comment #6 from Zdenek Sojka --- (In reply to rsand...@gcc.gnu.org from comment #5) > (In reply to Zdenek Sojka from comment #1) > > I observe the same issue, and it breaks libgcc build for me: > > What configure arguments do you use? Confi

[Bug debug/94272] New: [8/9/10 Regression] -fcompare-debug failure (length) with -O -fnon-call-exceptions

Severity: normal Priority: P3 Component: debug Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: aoliva at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 48084

[Bug rtl-optimization/94286] New: [10 Regression] ICE: in decompose, at rtl.h:2279 with __builtin_sub_overflow() at -O -g

Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: armv7a

[Bug rtl-optimization/94286] [10 Regression] ICE: in decompose, at rtl.h:2279 with __builtin_sub_overflow() at -O -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94286 --- Comment #1 from Zdenek Sojka --- Maybe somehow related to PR89506 , which is fixed on trunk, but has a similar testcase.

[Bug target/94254] [10 regression] r10-7312 causes compiler hangs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94254 --- Comment #14 from Zdenek Sojka --- (In reply to rsand...@gcc.gnu.org from comment #11) > Created attachment 48088 [details] > Candidate patch It fixes the build for me. I am unable to find a way how to run the testsuite on a non-native system

[Bug rtl-optimization/94291] New: [10 Regression] ICE: in reg_or_subregno, at jump.c:1928 at -Og

-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: armv7a-hardfloat-linux-gnueabi

[Bug rtl-optimization/94292] New: [10 Regression] ICE: SIGSEGV in forward_propagate_and_simplify (fwprop.c:1417) with -O -g -fno-tree-dce

Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc

[Bug target/94286] [10 Regression] ICE: in decompose, at rtl.h:2279 with __builtin_sub_overflow() at -O -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94286 --- Comment #3 from Zdenek Sojka --- (In reply to Jakub Jelinek from comment #2) > Created attachment 48098 [details] > gcc10-pr94286.patch > > Untested fix. Thanks, it fixes the testcase for me.

[Bug middle-end/94412] New: wrong code with -fsanitize=undefined and vectors

: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Created attachment 48148 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48148&action=edit reduced testcase Output: $ x86_64-pc-linux-gnu-gcc -fsanitize=un

[Bug middle-end/94412] wrong code with -fsanitize=undefined and vectors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94412 --- Comment #4 from Zdenek Sojka --- (In reply to Jakub Jelinek from comment #3) > Created attachment 48149 [details] > gcc10-pr94412.patch > > Patch I'm going to test momentarily. Thank you for checking this. I am sorry for the wrong testcase;

[Bug target/94438] New: [8/9/10 Regression] ICE: verify_gimple failed: position plus size exceeds size of referenced object in 'bit_field_ref' with -mavx512vbmi -mavx512vl

-mavx512vl Product: gcc Version: 10.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target

[Bug target/94460] New: wrong code with __builtin_ia32_phsubw256() or __builtin_ia32_phsubd256()

-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 48173 --> https://gcc.gnu.org/bugzi

[Bug target/94461] New: [10 Regression] ICE: in extract_insn, at recog.c:2294 with __builtin_ia32_pmuludq() and -mno-sse2

Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 48174

[Bug target/94461] [10 Regression] ICE: in extract_insn, at recog.c:2294 with __builtin_ia32_pmuludq() and -mno-sse2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94461 --- Comment #1 from Zdenek Sojka --- This seems to affect sse3 intrinsics as well: $ gcc-10 testcase-min0.i -w testcase-min0.i: In function 'foo0': testcase-min0.i:15:1: error: unrecognizable insn: 15 | } | ^ (insn 28 27 29 2 (set (reg:V

[Bug target/94467] New: [10 Regression] wrong code with -mavx and ssse3 builtins

Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 48180 --> https://gcc.gnu.org/bugzilla/attachment.

[Bug target/94467] [10 Regression] wrong code with -mavx and ssse3 builtins

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94467 --- Comment #4 from Zdenek Sojka --- (In reply to Richard Biener from comment #2) > Note using __builtin_ia32_* directly is discouraged. A testcase using > official intrinsics would be better. Thanks; I just took the list from https://gcc.gnu.o

[Bug target/94509] New: wrong code with -mavx512bw and __builtin_shuffle()

Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Target: x86_64-pc-linux-gnu Created attachment 48217 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48217&acti

[Bug target/94518] New: [9 Regression] ICE: RTL check: expected code 'const_int', have 'reg' in output_3774, at config/aarch64/atomics.md:758

c Version: 9.3.1 Status: UNCONFIRMED Keywords: ice-checking Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: ---

[Bug tree-optimization/94524] New: wrong code with vector modulo operation

: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 48232 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48232&acti

[Bug target/94530] New: [9/10 Regression] ICE: SIGSEGV in rhs_regno (rtl.h:1924) with -Os -mcpu=falkor -mpc-relative-literal-loads -mcmodel=large

Version: 10.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host

[Bug target/94538] New: [9/10 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2223 (insn does not satisfy its constraints) with -mcpu=cortex-m23 -mslow-flash-data

-mslow-flash-data Product: gcc Version: 10.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot

[Bug target/94538] [10 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2223 (insn does not satisfy its constraints) with -mcpu=cortex-m23 -mslow-flash-data

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94538 --- Comment #3 from Zdenek Sojka --- (In reply to Wilco from comment #2) > This was introduced by commit e24f6408d so only in GCC10. Thank you for checking this! I am quite sure this fails in gcc-9 as well: $ armv7a-hardfloat-linux-gnueabi-gcc

[Bug target/94530] [9/10 Regression] ICE: SIGSEGV in rhs_regno (rtl.h:1924) with -Os -mcpu=falkor -mpc-relative-literal-loads -mcmodel=large

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94530 --- Comment #5 from Zdenek Sojka --- (In reply to CVS Commits from comment #4) > The master branch has been updated by Andrea Corallo : > > https://gcc.gnu.org/g:af19e4d0e23e5f61fc15e44a58bfa3b047854b1e > > commit r10-7651-gaf19e4d0e23e5f61fc15

[Bug target/94591] New: [8/9/10 Regression] Assembler messages: Error: operand mismatch -- `rev64 v0.2d,v0.2d'

IRMED Keywords: assemble-failure Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: aarch64-un

[Bug target/94538] [10 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2223 (insn does not satisfy its constraints) with -mcpu=cortex-m23 -mslow-flash-data

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94538 --- Comment #9 from Zdenek Sojka --- Please don't take this PR serious; it might not be a valid use-case in real-world application.

[Bug target/94603] New: ICE: in extract_insn, at recog.c:2343 (unrecognizable insn) with -mno-sse2 and __builtin_ia32_movq128

: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment

[Bug debug/94618] New: [10 Regression] '-fcompare-debug' failure (length) with -O2 -fnon-call-exceptions

NCONFIRMED Severity: normal Priority: P3 Component: debug Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 48289 --> https://gcc.gnu.org/bugzilla/atta

[Bug target/94710] New: [8/9/10 Regression] Assembler messages: Error: operand out of range (4 is not between 0 and 3) (xxsldwi 0,32,33,4)

: 10.0 Status: UNCONFIRMED Keywords: assemble-failure Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc

[Bug tree-optimization/94717] New: [10 Regression] ICE: SIGSEGV in output_merged_store (gimple-ssa-store-merging.c:4307) with -O2 -fnon-call-exceptions -ftracer

Version: 10.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone

[Bug target/94814] New: [9 Regression] ICE: RTL check: expected code 'const_int', have 'reg' in output_3367, at config/aarch64/atomics.md:755

c Version: 8.4.1 Status: UNCONFIRMED Keywords: ice-checking Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: ---

[Bug target/94591] [8/9/10 Regression] Assembler messages: Error: operand mismatch -- `rev64 v0.2d,v0.2d'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94591 --- Comment #2 from Zdenek Sojka --- Created attachment 48406 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48406&action=edit another testcase $ aarch64-unknown-linux-gnu-gcc testcase.c /tmp/ccTL3N2N.s: Assembler messages: /tmp/ccTL3N2N.s

[Bug rtl-optimization/94873] New: [8/9/10 Regression] wrong code with -O -fno-merge-constants -fno-split-wide-types -fno-tree-fre

Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu

[Bug target/94942] New: [10/11 Regression] ICE: in extract_constrain_insn, at recog.c:2195 (insn does not satisfy its constraints) with -O -flive-range-shrinkage -ftree-vrp -mavx512vl

Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target

[Bug target/94980] New: [10/11 Regression] ICE: verify_gimple failed: position plus size exceeds size of referenced object in 'bit_field_ref' with -mavx512vl

oduct: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target

[Bug debug/95080] New: [10/11 Regression] -fcompare-debug failure (length) with -Og -fcse-follow-jumps -fnon-call-exceptions

: UNCONFIRMED Severity: normal Priority: P3 Component: debug Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: aoliva at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Created

[Bug tree-optimization/48998] ICE: verify_flow_info failed: Wrong frequency of block 227 -161996 with -O3 --param max-completely-peeled-insns=5000 --param max-predicted-iterations=1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48998 --- Comment #2 from Zdenek Sojka --- (In reply to Arseny Solokha from comment #1) > Is it still an issue? I can't reproduce this with r11-385.

[Bug target/95355] New: [11 Regression] Assembler messages: Error: operand size mismatch for `vpmovzxbd' with -masm=intel

IRMED Keywords: assemble-failure Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_

[Bug debug/95576] New: [11 Regression] -fcompare-debug failure with -O3 -fno-tree-forwprop -fvect-cost-model=unlimited

Severity: normal Priority: P3 Component: debug Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: aoliva at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment

[Bug sanitizer/95603] New: [11 Regression] sanitizer_linux.cpp:1880:16: error: missing terminating ' character

IRMED Keywords: build Severity: normal Priority: P3 Component: sanitizer Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org, jakub at gc

[Bug sanitizer/95603] [11 Regression] sanitizer_linux.cpp:1880:16: error: missing terminating ' character

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95603 --- Comment #3 from Zdenek Sojka --- Thanks, all the rounds with asking at gcc-help, waiting for reply, and even recompiling this morning took too much time.

[Bug tree-optimization/95653] New: [11 Regression] ICE: SIGSEGV in gimple_bb (gimple.h:1847) with -ftree-loop-vectorize -fno-tree-scev-cprop

Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc

[Bug debug/96261] New: -fcompare-debug failure (length) with -Os -fno-gcse-lm -fnon-call-exceptions

: normal Priority: P3 Component: debug Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: aoliva at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 48902 --> ht

[Bug target/96262] New: [11 Regression] ICE: in decompose, at rtl.h:2280 with -O -mavx512bw

-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created

[Bug target/96263] New: [10/11 Regression] ICE: in lra_assign, at lra-assigns.c:1648 with -O -flive-range-shrinkage -fnon-call-exceptions -msse4 --param=max-sched-ready-insns=1

-ready-insns=1 Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot

[Bug rtl-optimization/96264] New: [10/11 Regression] wrong code with -Os -fno-forward-propagate -fschedule-insns -fno-tree-ter

Keywords: wrong-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target

[Bug libstdc++/96279] New: build failure: floating_from_chars.cc:310:22: error: '__builtin_isinf_sign' is not a member of 'std'

0 Status: UNCONFIRMED Keywords: build Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu

[Bug libstdc++/96279] build failure: floating_from_chars.cc:310:22: error: '__builtin_isinf_sign' is not a member of 'std'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96279 --- Comment #2 from Zdenek Sojka --- Created attachment 48914 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48914&action=edit preprocessed source (In reply to Richard Biener from comment #1) > looks like a bogus #define leaking in from so

[Bug tree-optimization/96298] New: [11 Regression] wrong code with -O -fno-tree-forwprop

Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: powerpc64-unknown-linux-gnu Created attachment 48920 --> ht

[Bug libstdc++/96279] build failure: floating_from_chars.cc:310:22: error: '__builtin_isinf_sign' is not a member of 'std'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96279 --- Comment #4 from Zdenek Sojka --- I can no longer reproduce this: r11-2420 (BAD), r11-2449 (OK)

[Bug target/96453] New: [11 Regression] ICE: in gimple_expand_vec_cond_expr, at gimple-isel.cc:167 with -Og -fno-early-inlining -fno-tree-ccp -mavx -mno-sse4.2

Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone

[Bug rtl-optimization/96454] New: [11 Regression] wrong code with -Og -march=cascadelake

Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 48992 --> ht

[Bug tree-optimization/96466] New: 11 Regression] ICE: in gimple_expand_vec_cond_expr, at gimple-isel.cc:122 with -Og -finline-functions-called-once -fno-tree-ccp

Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone

[Bug target/96587] New: [11 Regression] ICE: in extract_constrain_insn, at recog.c:2195 (insn does not satisfy its constraints) with -O2 -fno-dce -fno-tree-forwprop

: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone

[Bug target/96587] [11 Regression] ICE: in extract_constrain_insn, at recog.c:2195 (insn does not satisfy its constraints) with -O2 -fno-dce -fno-tree-forwprop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96587 --- Comment #2 from Zdenek Sojka --- (In reply to Jakub Jelinek from comment #1) > Dup of PR96558 ? Might be. This one complains about movsi_xor, the other one about movdi_xor. So there might a similar wrong patter for both isns.

[Bug target/96262] [11 Regression] ICE: in decompose, at rtl.h:2280 with -O -mavx512bw since r11-1411-gc7199fb6e694d1a0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96262 --- Comment #4 from Zdenek Sojka --- Created attachment 49080 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49080&action=edit another testcase

[Bug analyzer/96705] New: [11 Regression] ICE: in wide_int_to_tree_1, at tree.c:1612 with -fanalyzer

-on-valid-code Severity: normal Priority: P3 Component: analyzer Assignee: dmalcolm at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 49081 --> https://gcc.gnu.

[Bug analyzer/96713] New: [11 Regression] ICE: in fold_relational_const, at fold-const.c:14921 with -fanalyzer

Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: analyzer Assignee: dmalcolm at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 49083 --> ht

[Bug analyzer/96723] New: [11 Regression] ICE: SIGSEGV: infinite recursion in ana::region::get_subregions_for_binding with -Og -fanalyzer

Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: analyzer Assignee: dmalcolm at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc

[Bug ipa/96806] New: ICE: in good_cloning_opportunity_p, at ipa-cp.c:3235 with -O -fipa-cp -fipa-cp-clone --param=ipa-cp-max-recursive-depth=94 --param=logical-op-non-short-circuit=0

seznam dot cz CC: marxin at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 49136 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49136&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O -fipa-cp -

[Bug target/96814] New: [11 Regression] wrong code with -march=cascadelake

Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 49138 --> https://gcc.gnu.org/bugzi

[Bug tree-optimization/96818] New: [11 Regression] ICE: in decompose, at wide-int.h:984 at -O

Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 49139 --> https://gcc.gnu.

[Bug tree-optimization/40771] generated code is ~25% slower when autovectorization is enabled

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40771 --- Comment #3 from Zdenek Sojka --- The vectorized code seems to have improved in gcc-9 over gcc-8.

[Bug driver/97058] New: invalid "cc1: warning: '-Werror=' argument '-funroll-completely-grow-size' is not valid for C"

Status: UNCONFIRMED Keywords: diagnostic Severity: normal Priority: P3 Component: driver Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Comp

[Bug ipa/92372] [10 Regression] ICE in ipa_update_overall_fn_summary at gcc/ipa-fnsummary.c:3671 since r277780

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92372 Zdenek Sojka changed: What|Removed |Added CC||zsojka at seznam dot cz --- Comment #1

[Bug rtl-optimization/48188] ICE: SIGSEGV in remove_unnecessary_regions (ira-build.c:1855) with --param ira-max-loops-num=0 on basic code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48188 --- Comment #4 from Zdenek Sojka --- Doesn't seem to crash since at least gcc-7

[Bug target/92908] New: [10 Regression] wrong code with -Og -fno-tree-fre -mavx512bw and vector compare

: wrong-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Output

[Bug target/92908] [10 Regression] wrong code with -Og -fno-tree-fre -mavx512bw and vector compare

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92908 --- Comment #1 from Zdenek Sojka --- Created attachment 47471 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47471&action=edit reduced testcase

[Bug rtl-optimization/93170] New: [10 Regression] wrong code due to use of a call-clobbered register

Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created

[Bug tree-optimization/93213] New: [10 Regression] wrong code with -Og -foptimize-strlen

Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 47620 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47

[Bug tree-optimization/93213] [10 Regression] wrong code with -Og -foptimize-strlen

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93213 --- Comment #4 from Zdenek Sojka --- (In reply to Martin Sebor from comment #3) > Patch: https://gcc.gnu.org/ml/gcc-patches/2020-01/msg00552.html Thanks for the fix! Note the __int128 is supported only on certain targets, the test is endian-depe

[Bug tree-optimization/93249] New: [10 Regression] wrong code with __builtin_strncpy() at -O1

Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 47643 --> https://gcc.gnu.org/bugzi

[Bug target/93312] New: [10 Regression] ICE: RTL check: expected code 'reg', have 'subreg' in rhs_regno, at rtl.h:1923

Status: UNCONFIRMED Keywords: ice-checking, ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host:

[Bug target/93333] New: ICE: RTL check: expected code 'const_int', have 'and' in riscv_rtx_costs, at config/riscv/riscv.c:1645

0 Status: UNCONFIRMED Keywords: ice-checking, ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host:

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