[Bug tree-optimization/79390] [7 Regression] 10% performance drop in SciMark2 LU after r242550

2017-04-06 Thread vincenzo.innocente at cern dot ch
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79390 --- Comment #17 from vincenzo Innocente --- [innocent@vinavx3 innocent]$ mkdir scimark2TMP [innocent@vinavx3 innocent]$ cd scimark2TMP [innocent@vinavx3 scimark2TMP]$ wget http://math.nist.gov/scimark2/scimark2_1c.zip . . gcc version 7.0.1 20

[Bug tree-optimization/80345] ICE in rewrite_use_nonlinear_expr with -O2

2017-04-06 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80345 Markus Trippelsdorf changed: What|Removed |Added CC||trippels at gcc dot gnu.org --- Co

[Bug tree-optimization/80345] ICE in rewrite_use_nonlinear_expr with -O2

2017-04-06 Thread krisk0.2017.02.27 at protonmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80345 --- Comment #2 from Денис Крыськов --- Created attachment 41148 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41148&action=edit the preprocessed file Ah, sorry, I attached uncompressed file, which was rejected due to big size.

[Bug target/79733] ICE in int_mode_for_mode, at stor-layout.c:406

2017-04-06 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79733 Uroš Bizjak changed: What|Removed |Added Target||x86 Status|ASSIGNED

[Bug tree-optimization/79390] [7 Regression] 10% performance drop in SciMark2 LU after r242550

2017-04-06 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79390 --- Comment #16 from Jakub Jelinek --- Has somebody the benchmark around to retry with current trunk, with -f{,no-}split-paths and compare that to some older trunk and gcc6?

[Bug rtl-optimization/66940] ifcvt.c:1907 signed integer overflow

2017-04-06 Thread zeccav at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66940 --- Comment #5 from Vittorio Zecca --- Fixed in trunk 246751.

[Bug rtl-optimization/66940] ifcvt.c:1907 signed integer overflow

2017-04-06 Thread zeccav at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66940 Vittorio Zecca changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/71074] combine.c in simplify_comparison sanitizer detects left shift of negative value

2017-04-06 Thread zeccav at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71074 Vittorio Zecca changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/80304] [7 Regression] Wrong result with do concurrent

2017-04-06 Thread tkoenig at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80304 Thomas Koenig changed: What|Removed |Added Severity|normal |major

[Bug tree-optimization/62058] Undefined behaviour in tree-data-ref.c with options -O1 -ftree-loop-vectorize

2017-04-06 Thread zeccav at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62058 Vittorio Zecca changed: What|Removed |Added Version|4.9.1 |7.0.1 --- Comment #5 from Vittorio Zecc

[Bug middle-end/67486] ira-color.c sanitizer detects signed integer overflow

2017-04-06 Thread zeccav at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67486 Vittorio Zecca changed: What|Removed |Added Version|5.2.0 |7.0.1 --- Comment #2 from Vittorio Zecc

[Bug middle-end/80100] simplify-rtx.c sanitizer detects undefined behaviour with optimization

2017-04-06 Thread zeccav at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80100 --- Comment #1 from Vittorio Zecca --- Still in trunk 246751.

[Bug c/79733] ICE in int_mode_for_mode, at stor-layout.c:406

2017-04-06 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79733 --- Comment #10 from uros at gcc dot gnu.org --- Author: uros Date: Fri Apr 7 05:15:54 2017 New Revision: 246752 URL: https://gcc.gnu.org/viewcvs?rev=246752&root=gcc&view=rev Log: Backport from mainline 2017-04-06 Uros Bizjak

[Bug target/45053] libgcc_s link command misses crtsavgpr_s and crtresgpr_s for powerpc

2017-04-06 Thread amodra at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45053 Alan Modra changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/80351] New: Inconsistent warning for constexpr auto constant when using initializer list (-Wunused-variable)

2017-04-06 Thread arnetheduck at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80351 Bug ID: 80351 Summary: Inconsistent warning for constexpr auto constant when using initializer list (-Wunused-variable) Product: gcc Version: 6.2.0 Status: UNCONFIRMED

[Bug target/45053] libgcc_s link command misses crtsavgpr_s and crtresgpr_s for powerpc

2017-04-06 Thread amodra at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45053 --- Comment #21 from Alan Modra --- Author: amodra Date: Fri Apr 7 02:19:19 2017 New Revision: 246751 URL: https://gcc.gnu.org/viewcvs?rev=246751&root=gcc&view=rev Log: [RS6000] Out-of-line register save functions can't be used from crtend.o

[Bug target/45053] libgcc_s link command misses crtsavgpr_s and crtresgpr_s for powerpc

2017-04-06 Thread amodra at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45053 --- Comment #20 from Alan Modra --- Author: amodra Date: Fri Apr 7 02:18:34 2017 New Revision: 246750 URL: https://gcc.gnu.org/viewcvs?rev=246750&root=gcc&view=rev Log: [RS6000] Out-of-line register save functions can't be used from crtend.o

[Bug target/45053] libgcc_s link command misses crtsavgpr_s and crtresgpr_s for powerpc

2017-04-06 Thread amodra at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45053 Alan Modra changed: What|Removed |Added Status|NEW |ASSIGNED CC|wd at denx dot

[Bug target/45053] libgcc_s link command misses crtsavgpr_s and crtresgpr_s for powerpc

2017-04-06 Thread wd at denx dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45053 --- Comment #18 from Wolfgang Denk --- Dear Sender, Thank you for your mail, but I will probably not be able to reply any time soon as I'm currently out of office. I will try to reply to your message as quickly as possible after I'm back in the

[Bug target/45053] libgcc_s link command misses crtsavgpr_s and crtresgpr_s for powerpc

2017-04-06 Thread amodra at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45053 --- Comment #17 from Alan Modra --- Author: amodra Date: Fri Apr 7 01:30:43 2017 New Revision: 246749 URL: https://gcc.gnu.org/viewcvs?rev=246749&root=gcc&view=rev Log: [RS6000] Out-of-line register save functions can't be used from crtend.o

[Bug sanitizer/80348] UBSAN: compile time crash in ubsan_instrument_division

2017-04-06 Thread babokin at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80348 --- Comment #1 from Dmitry Babokin --- *** Bug 80347 has been marked as a duplicate of this bug. ***

[Bug sanitizer/80347] UBSAN: compile time crash in ubsan_instrument_division

2017-04-06 Thread babokin at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80347 Dmitry Babokin changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug sanitizer/80350] New: UBSAN changes code semantics when -fno-sanitize-recover=undefined is used

2017-04-06 Thread babokin at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80350 Bug ID: 80350 Summary: UBSAN changes code semantics when -fno-sanitize-recover=undefined is used Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal

[Bug target/69992] test case gcc.dg/sms-4.c fails

2017-04-06 Thread acsawdey at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69992 --- Comment #9 from acsawdey at gcc dot gnu.org --- OK, that makes sense, 64-bit target is an essential piece of this as part of the problem is that the loop index variable i is not chosen as an induction variable because it is not DImode. If you

[Bug sanitizer/80349] New: UBSAN: compile time crash with "type mismatch in binary expression" message

2017-04-06 Thread babokin at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80349 Bug ID: 80349 Summary: UBSAN: compile time crash with "type mismatch in binary expression" message Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: norma

[Bug sanitizer/80348] New: UBSAN: compiler time crash in ubsan_instrument_division

2017-04-06 Thread babokin at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80348 Bug ID: 80348 Summary: UBSAN: compiler time crash in ubsan_instrument_division Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority

[Bug sanitizer/80347] New: UBSAN: compiler time crash in ubsan_instrument_division

2017-04-06 Thread babokin at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80347 Bug ID: 80347 Summary: UBSAN: compiler time crash in ubsan_instrument_division Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority

[Bug tree-optimization/79224] [7/8 Regression] Large C-Ray slowdown

2017-04-06 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79224 Jeffrey A. Law changed: What|Removed |Added CC||law at redhat dot com Target Mileston

[Bug target/80298] incompatible with -mno-sse

2017-04-06 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80298 Uroš Bizjak changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c/79733] ICE in int_mode_for_mode, at stor-layout.c:406

2017-04-06 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79733 --- Comment #9 from uros at gcc dot gnu.org --- Author: uros Date: Thu Apr 6 21:06:08 2017 New Revision: 246744 URL: https://gcc.gnu.org/viewcvs?rev=246744&root=gcc&view=rev Log: Backport from mainline 2017-04-06 Uros Bizjak

[Bug target/80298] incompatible with -mno-sse

2017-04-06 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80298 --- Comment #8 from uros at gcc dot gnu.org --- Author: uros Date: Thu Apr 6 21:06:08 2017 New Revision: 246744 URL: https://gcc.gnu.org/viewcvs?rev=246744&root=gcc&view=rev Log: Backport from mainline 2017-04-06 Uros Bizjak

[Bug debug/80234] [7 Regression] ICE in splice_child_die at dwarfout.c:5265

2017-04-06 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80234 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug debug/80234] [7 Regression] ICE in splice_child_die at dwarfout.c:5265

2017-04-06 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80234 --- Comment #5 from Jakub Jelinek --- Author: jakub Date: Thu Apr 6 20:46:29 2017 New Revision: 246743 URL: https://gcc.gnu.org/viewcvs?rev=246743&root=gcc&view=rev Log: PR debug/80234 * dwarf2out.c (gen_member_die): Handle C++1

[Bug middle-end/80346] pessimistic stringop-overflow

2017-04-06 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80346 --- Comment #3 from Martin Sebor --- The warning for attachment 41147 looks valid. It points to the g_malloc0_n(__n, __s) call in the else statement in the following block. If I'm reading it right, there, __s is non-zero, and __n is equal to SI

[Bug target/69992] test case gcc.dg/sms-4.c fails

2017-04-06 Thread amonakov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69992 --- Comment #8 from Alexander Monakov --- Sorry, I've overlooked the mention of -m64 in comment #1. I used 'configure --target=powerpc-linux-gnu' and didn't pass -m64.

[Bug target/69992] test case gcc.dg/sms-4.c fails

2017-04-06 Thread acsawdey at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69992 --- Comment #7 from acsawdey at gcc dot gnu.org --- I just pulled that sms branch from https://github.com/ispras/gcc-sms.git and built it on ppc64le. sms-4 does not do any better than with trunk, we still have the problem of incorrectly labelin

[Bug fortran/68569] ICE with automatic character object and DATA

2017-04-06 Thread koenigni at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68569 koenigni at gcc dot gnu.org changed: What|Removed |Added CC||koenigni at gcc dot gnu.org

[Bug target/80286] [5/6 Regression] AVX2 _mm_cvtsi128_si32 doesn't return a proper 32bits int

2017-04-06 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80286 --- Comment #9 from uros at gcc dot gnu.org --- Author: uros Date: Thu Apr 6 19:22:02 2017 New Revision: 246741 URL: https://gcc.gnu.org/viewcvs?rev=246741&root=gcc&view=rev Log: PR target/80286 * config/i386/sse.md (*vec_extract

[Bug middle-end/80346] pessimistic stringop-overflow

2017-04-06 Thread dgilbert at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80346 --- Comment #2 from Dr. David Alan Gilbert --- Created attachment 41147 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41147&action=edit a different signed/size case Here's another case (law said to attach it to the same bug), this is givi

[Bug middle-end/80346] pessimistic stringop-overflow

2017-04-06 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80346 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c/79733] ICE in int_mode_for_mode, at stor-layout.c:406

2017-04-06 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79733 --- Comment #8 from uros at gcc dot gnu.org --- Author: uros Date: Thu Apr 6 18:49:43 2017 New Revision: 246739 URL: https://gcc.gnu.org/viewcvs?rev=246739&root=gcc&view=rev Log: PR target/79733 * config/i386/i386.c (ix86_expand_

[Bug target/80298] incompatible with -mno-sse

2017-04-06 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80298 --- Comment #7 from uros at gcc dot gnu.org --- Author: uros Date: Thu Apr 6 18:34:18 2017 New Revision: 246737 URL: https://gcc.gnu.org/viewcvs?rev=246737&root=gcc&view=rev Log: PR target/80298 * gcc.target/i386/pr80298-1.c: New

[Bug c/80346] New: pessimistic stringop-overflow

2017-04-06 Thread dgilbert at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80346 Bug ID: 80346 Summary: pessimistic stringop-overflow Product: gcc Version: 7.0.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assigne

[Bug target/69992] test case gcc.dg/sms-4.c fails

2017-04-06 Thread amonakov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69992 Alexander Monakov changed: What|Removed |Added CC||amonakov at gcc dot gnu.org,

[Bug target/80324] _mm512_reduce_xxx type instrinsics are missing

2017-04-06 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80324 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug target/80082] [5/6 regression] GCC incorrectly assumes Cortex-r[578] have 64-bit single-copy atomic LDRD

2017-04-06 Thread thopre01 at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80082 --- Comment #10 from Thomas Preud'homme --- Author: thopre01 Date: Thu Apr 6 16:26:39 2017 New Revision: 246734 URL: https://gcc.gnu.org/viewcvs?rev=246734&root=gcc&view=rev Log: 2017-04-06 Thomas Preud'homme gcc/ PR target/80082

[Bug tree-optimization/80345] ICE in rewrite_use_nonlinear_expr with -O2

2017-04-06 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80345 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug target/69992] test case gcc.dg/sms-4.c fails

2017-04-06 Thread wschmidt at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69992 --- Comment #5 from Bill Schmidt --- I guess the next step would be to step through why iv_number_of_iterations thinks this loop could never terminate.

[Bug target/69992] test case gcc.dg/sms-4.c fails

2017-04-06 Thread wschmidt at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69992 --- Comment #4 from Bill Schmidt --- Hm, does your simplification remove the possibility of overflow that could occur with intermediate results?

[Bug c/80345] New: ICE in rewrite_use_nonlinear_expr with -O2

2017-04-06 Thread krisk0.2017.02.27 at protonmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80345 Bug ID: 80345 Summary: ICE in rewrite_use_nonlinear_expr with -O2 Product: gcc Version: 6.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug target/69992] test case gcc.dg/sms-4.c fails

2017-04-06 Thread acsawdey at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69992 --- Comment #3 from acsawdey at gcc dot gnu.org --- So, it comes down to the fact that this condition cannot ever be true, so the loop is not in fact infinite: infinite if: (expr_list:REG_DEP_TRUE (ne:SI (and:DI (minus:DI (plus:DI (ashift:DI (

[Bug target/80313] -march=znver1 produce worse code than -march=haswell

2017-04-06 Thread venkataramanan.kumar at amd dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80313 --- Comment #3 from Venkataramanan --- Thanks for pointing out. It looks like we need to adjust our branch cost. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 14ac189..8212c56 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/c

[Bug tree-optimization/80334] [5/6 Regression] Segfault when taking address of copy of unaligned struct

2017-04-06 Thread jagerman at jagerman dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80334 --- Comment #6 from Jason Rhinelander --- Confirming that this solves the original (unsimplified) issue for me with current trunk.

[Bug tree-optimization/80344] New: -Wuninitialized triggering on a ctor on ARM

2017-04-06 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80344 Bug ID: 80344 Summary: -Wuninitialized triggering on a ctor on ARM Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-op

[Bug target/80082] [5/6 regression] GCC incorrectly assumes Cortex-r[578] have 64-bit single-copy atomic LDRD

2017-04-06 Thread thopre01 at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80082 --- Comment #9 from Thomas Preud'homme --- Author: thopre01 Date: Thu Apr 6 14:53:22 2017 New Revision: 246733 URL: https://gcc.gnu.org/viewcvs?rev=246733&root=gcc&view=rev Log: [ARM] Compile atomic_loaddi_11 for Cortex-R5 2017-04-06 Thomas P

[Bug rtl-optimization/80343] [7 Regression] ICE in extract_constrain_insn, at recog.c:2213 (error: insn does not satisfy its constraints)

2017-04-06 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80343 Richard Biener changed: What|Removed |Added Target Milestone|--- |7.0

[Bug tree-optimization/79224] [7 Regression] Large C-Ray slowdown

2017-04-06 Thread hubicka at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79224 --- Comment #12 from Jan Hubicka --- I know - it is the problem I mentioned earlier. ray_sphere has a conditional on parameter SP that decides whether it does extra work. In some cases ray_sphere is called with SP NULL. Now we compute the speed

[Bug target/80313] -march=znver1 produce worse code than -march=haswell

2017-04-06 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80313 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/80341] gcc miscompiles division of signed char

2017-04-06 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80341 Richard Biener changed: What|Removed |Added Component|c |middle-end --- Comment #7 from Richard

[Bug tree-optimization/80334] [5/6/7 Regression] Segfault when taking address of copy of unaligned struct

2017-04-06 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80334 Richard Biener changed: What|Removed |Added Keywords||wrong-code Priority|P1

[Bug target/80322] convert intrinsics missing

2017-04-06 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80322 Jakub Jelinek changed: What|Removed |Added Attachment #41143|0 |1 is obsolete|

[Bug target/80334] [7 Regression] Segfault when taking address of copy of unaligned struct

2017-04-06 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80334 --- Comment #4 from Richard Biener --- Author: rguenth Date: Thu Apr 6 13:56:35 2017 New Revision: 246731 URL: https://gcc.gnu.org/viewcvs?rev=246731&root=gcc&view=rev Log: 2017-04-06 Richard Biener PR tree-optimization/80334

[Bug sanitizer/80166] SANITIZER_INTERCEPT_GETGROUPS modifies list when size is 0 Out-of-bounds write

2017-04-06 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80166 --- Comment #4 from Martin Liška --- Author: marxin Date: Thu Apr 6 13:42:24 2017 New Revision: 246730 URL: https://gcc.gnu.org/viewcvs?rev=246730&root=gcc&view=rev Log: Cherry-pick upstream r299036 from libsanitizer (PR sanitizer/80166). 2017

[Bug rtl-optimization/80343] New: [7 Regression] ICE in extract_constrain_insn, at recog.c:2213 (error: insn does not satisfy its constraints)

2017-04-06 Thread asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80343 Bug ID: 80343 Summary: [7 Regression] ICE in extract_constrain_insn, at recog.c:2213 (error: insn does not satisfy its constraints) Product: gcc Version: 7.0

[Bug tree-optimization/79390] [7 Regression] 10% performance drop in SciMark2 LU after r242550

2017-04-06 Thread ro at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79390 --- Comment #15 from Rainer Orth --- Author: ro Date: Thu Apr 6 13:11:21 2017 New Revision: 246729 URL: https://gcc.gnu.org/viewcvs?rev=246729&root=gcc&view=rev Log: Fix gcc.target/i386/pr79390.c for Solaris as PR tree-optimization/793

[Bug rtl-optimization/78255] [5/6 regression] Indirect sibling call causing wrong code generation for ARM

2017-04-06 Thread ramana at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78255 Ramana Radhakrishnan changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug c/80341] gcc miscompiles division of signed char

2017-04-06 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80341 --- Comment #6 from Richard Biener --- Ah, it is as we pass it signed char as 2nd arg...

[Bug c/80341] gcc miscompiles division of signed char

2017-04-06 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80341 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug libstdc++/80340] error: 'write' was not declared in this scope

2017-04-06 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80340 Jonathan Wakely changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug c/80341] gcc miscompiles division of signed char

2017-04-06 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80341 --- Comment #4 from Marek Polacek --- With -O I get x.c: In function ‘foo’: x.c:7:7: warning: overflow in implicit constant conversion [-Woverflow] s = (unsigned short) c / -55; ^

[Bug middle-end/80262] address space gets lost in memory access

2017-04-06 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80262 Richard Biener changed: What|Removed |Added Known to work||7.0.1 --- Comment #10 from Richard Bien

[Bug middle-end/80262] address space gets lost in memory access

2017-04-06 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80262 --- Comment #9 from Richard Biener --- Author: rguenth Date: Thu Apr 6 12:31:05 2017 New Revision: 246728 URL: https://gcc.gnu.org/viewcvs?rev=246728&root=gcc&view=rev Log: 2017-04-06 Richard Biener PR tree-optimization/80262

[Bug c/80341] gcc miscompiles division of signed char

2017-04-06 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80341 --- Comment #3 from Marek Polacek --- Likely started with commit 4d307e1ff39d0c2f90123ef789d611e2323be76d Author: rguenth Date: Wed Feb 10 11:54:14 2010 + 2010-02-10 Richard Guenther PR c/43007 * tree.c (g

[Bug c/80341] gcc miscompiles division of signed char

2017-04-06 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80341 --- Comment #2 from Marek Polacek --- Better testcase: const signed char c = -84; signed char s; void foo () { s = (unsigned short) c / -55; } int main () { foo (); if (s != 90) __builtin_abort (); }

[Bug target/80322] convert intrinsics missing

2017-04-06 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80322 --- Comment #5 from Jakub Jelinek --- Created attachment 41143 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41143&action=edit gcc7-pr80322.patch So far I have this, writing testcases now. For the reductions more work will be needed, so

[Bug c/79733] ICE in int_mode_for_mode, at stor-layout.c:406

2017-04-06 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79733 Markus Trippelsdorf changed: What|Removed |Added CC||m...@sven-woop.de --- Comment #7 f

[Bug target/80339] internal compiler error: in int_mode_for_mode, at stor-layout.c:406

2017-04-06 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80339 Markus Trippelsdorf changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/80339] internal compiler error: in int_mode_for_mode, at stor-layout.c:406

2017-04-06 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80339 --- Comment #5 from Uroš Bizjak --- This is most likely a dup of PR 79733. Can you please check if the patch in the referred PR also fixes this PR?

[Bug c/79733] ICE in int_mode_for_mode, at stor-layout.c:406

2017-04-06 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79733 --- Comment #6 from Uroš Bizjak --- *** Bug 79808 has been marked as a duplicate of this bug. ***

[Bug target/79808] ICE in int_mode_for_mode, at stor-layout.c:406 with -mavx512pf and -Og

2017-04-06 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79808 Uroš Bizjak changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c/79733] ICE in int_mode_for_mode, at stor-layout.c:406

2017-04-06 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79733 Uroš Bizjak changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug target/80339] internal compiler error: in int_mode_for_mode, at stor-layout.c:406

2017-04-06 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80339 --- Comment #4 from Markus Trippelsdorf --- trippels@gcc75 ~ % cat test3.ii int a = __builtin_ia32_kortestzhi(0, 0); trippels@gcc75 ~ % g++ -mavx512f -c test3.ii test3.ii: In function ‘void __static_initialization_and_destruction_0(int, int)’: t

[Bug tree-optimization/80281] [5/6 Regression] Wrong constant folding

2017-04-06 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80281 --- Comment #18 from Dominik Vogt --- Fixed.

[Bug target/80339] internal compiler error: in int_mode_for_mode, at stor-layout.c:406

2017-04-06 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80339 Markus Trippelsdorf changed: What|Removed |Added Status|WAITING |NEW CC|

[Bug middle-end/80342] useless outermost conversions not fully elided by genmatch generated code

2017-04-06 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80342 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug middle-end/80342] New: useless outermost conversions not fully elided by genmatch generated code

2017-04-06 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80342 Bug ID: 80342 Summary: useless outermost conversions not fully elided by genmatch generated code Product: gcc Version: 7.0.1 Status: UNCONFIRMED Keywords: misse

[Bug target/80339] internal compiler error: in int_mode_for_mode, at stor-layout.c:406

2017-04-06 Thread m...@sven-woop.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80339 --- Comment #2 from Sven Woop --- Ok I isolated the issue, please see attached reproducer. The bug is quite delicate. Removing some unused variables in the code, and further minor adjustments easily let the bug disappear.

[Bug target/80339] internal compiler error: in int_mode_for_mode, at stor-layout.c:406

2017-04-06 Thread m...@sven-woop.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80339 --- Comment #1 from Sven Woop --- Created attachment 41141 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41141&action=edit reproducer just do make

[Bug tree-optimization/80281] [5/6 Regression] Wrong constant folding

2017-04-06 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80281 --- Comment #17 from Richard Biener --- Author: rguenth Date: Thu Apr 6 11:25:35 2017 New Revision: 246726 URL: https://gcc.gnu.org/viewcvs?rev=246726&root=gcc&view=rev Log: 2017-04-06 Richard Biener PR middle-end/80281 * gc

[Bug c/80341] gcc miscompiles division of signed char

2017-04-06 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80341 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment

[Bug tree-optimization/80304] [7 Regression] Wrong result with do concurrent

2017-04-06 Thread dominiq at lps dot ens.fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80304 Dominique d'Humieres changed: What|Removed |Added CC||ysrumyan at gmail dot com --- Com

[Bug libstdc++/80340] error: 'write' was not declared in this scope

2017-04-06 Thread sbansal at ciena dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80340 Sumit changed: What|Removed |Added Status|RESOLVED|WAITING Resolution|INVALID

[Bug tree-optimization/80304] [7 Regression] Wrong result with do concurrent

2017-04-06 Thread dominiq at lps dot ens.fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80304 --- Comment #18 from Dominique d'Humieres --- > r239317 works, r239326 fails, and also appears to be the only > patch in the vicinity that does anything about loops. > > Could this be the cause? > > Author: edlinger > Date: Fri Aug 12 19:30:39 2

[Bug c/80341] New: gcc miscompiles division of signed char

2017-04-06 Thread vsevolod.livinskij at frtk dot ru
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80341 Bug ID: 80341 Summary: gcc miscompiles division of signed char Product: gcc Version: 7.0.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug tree-optimization/80304] [7 Regression] Wrong result with do concurrent

2017-04-06 Thread bernd.edlinger at hotmail dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80304 Bernd Edlinger changed: What|Removed |Added CC||bernd.edlinger at hotmail dot de --- C

[Bug target/80326] _mm512_trunc_ps intrinsic missing

2017-04-06 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80326 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug libstdc++/80340] error: 'write' was not declared in this scope

2017-04-06 Thread sbansal at ciena dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80340 --- Comment #5 from Sumit --- (In reply to Jonathan Wakely from comment #4) > (In reply to Jonathan Wakely from comment #2) > > Configuring GCC with --disable-libstdcxx-verbose will remove the use of > > write in that file Is this flag --disable

[Bug libstdc++/80340] error: 'write' was not declared in this scope

2017-04-06 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80340 Jonathan Wakely changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug libgcc/80314] Undefined reference to __dso_handle & __cxa_atexit

2017-04-06 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80314 --- Comment #8 from Jonathan Wakely --- (In reply to Sumit from comment #7) > (In reply to Jonathan Wakely from comment #6) > > Your configure options include: --enable-__cxa_atexit > > > > Why are you using that if your system doesn't support i

[Bug libgcc/80314] Undefined reference to __dso_handle & __cxa_atexit

2017-04-06 Thread sbansal at ciena dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80314 --- Comment #7 from Sumit --- (In reply to Jonathan Wakely from comment #6) > Your configure options include: --enable-__cxa_atexit > > Why are you using that if your system doesn't support it? We are upgrading from 4.3.3 to 4.8.1. We had this

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