[Bug rtl-optimization/64081] [5/6/7 Regression] r217827 prevents RTL loop unroll

2017-02-02 Thread aldyh at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64081 --- Comment #29 from Aldy Hernandez --- > Are there any other particular tricks for bootstrapping GCC circa 219827 on > this AIX? Are there any other configury or otherwise flags? FYI, I also tried --disable-nls as per comment 21, but I get a d

[Bug tree-optimization/79334] Segfault on tree loop hoisting

2017-02-02 Thread amodra at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79334 --- Comment #4 from Alan Modra --- When you have the tree optimization bug fixed, this becomes an rtl optimization bug since rtl pre does the same as tree pre..

[Bug target/56828] [PowerPC] Type cast of sNaN value

2017-02-02 Thread kelvin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56828 kelvin at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug target/66144] vector element operator produces very bad code

2017-02-02 Thread meissner at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66144 --- Comment #4 from Michael Meissner --- Created attachment 40657 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40657&action=edit Potential patch to do the optimization

[Bug libstdc++/79348] abi_check fails on s390x (2 undesignated symbols)

2017-02-02 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79348 --- Comment #5 from Dominik Vogt --- The test failure has started with r238647: Move allocator in std::string and RB tree move constructors PR libstdc++/71964 * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (b

[Bug target/66144] vector element operator produces very bad code

2017-02-02 Thread meissner at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66144 Michael Meissner changed: What|Removed |Added Attachment #40657|0 |1 is obsolete|

[Bug middle-end/79349] New: unused std::string is not optimized away in presense of a call

2017-02-02 Thread hiraditya at msn dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79349 Bug ID: 79349 Summary: unused std::string is not optimized away in presense of a call Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal P

[Bug libstdc++/79348] abi_check fails on s390x (2 undesignated symbols)

2017-02-02 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79348 --- Comment #6 from Dominik Vogt --- Before that the "undesignated symbols" were around already, but the test PASSed anyway.

[Bug c++/79350] New: "explicit" deduction guides don't work

2017-02-02 Thread mike at spertus dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79350 Bug ID: 79350 Summary: "explicit" deduction guides don't work Product: gcc Version: 7.0.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug tree-optimization/79351] New: Invalid tree PRE optimization around compound literal

2017-02-02 Thread wellons at nullprogram dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79351 Bug ID: 79351 Summary: Invalid tree PRE optimization around compound literal Product: gcc Version: 6.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Compon

[Bug tree-optimization/79352] New: [6 Regression] -fprintf-return-value doesn't handle flexible-like array members properly

2017-02-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79352 Bug ID: 79352 Summary: [6 Regression] -fprintf-return-value doesn't handle flexible-like array members properly Product: gcc Version: 7.0 Status: UNCONFIRMED Se

[Bug tree-optimization/79352] [6 Regression] -fprintf-return-value doesn't handle flexible-like array members properly

2017-02-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79352 Jakub Jelinek changed: What|Removed |Added Priority|P3 |P1 Status|UNCONFIRMED

[Bug rtl-optimization/64081] [5/6/7 Regression] r217827 prevents RTL loop unroll

2017-02-02 Thread dje at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64081 --- Comment #30 from David Edelsohn --- .../src/src/configure --disable-werror --with-gmp=/opt/cfarm --with-libiconv-prefix=/opt/cfarm --disable-libstdcxx-pch --with-included-gettext By the way, it's a lot faster if the src and build directories

[Bug testsuite/63256] [5/6/7 regression] FAIL: gcc.dg/sms-8.c scan-rtl-dump-times sms "SMS succeeded" 0

2017-02-02 Thread acsawdey at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63256 acsawdey at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution

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

2017-02-02 Thread acsawdey at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69992 --- Comment #2 from acsawdey at gcc dot gnu.org --- Digging deeper, if i is not 64-bit, we don't choose it as one of the IVs, and the loop iteration test gets converted based on ap instead. Then the math in iv_number_of_iterations decides that it

[Bug target/79353] New: ICE in curr_insn_transform, at lra-constraints.c:3773

2017-02-02 Thread glaubitz at physik dot fu-berlin.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79353 Bug ID: 79353 Summary: ICE in curr_insn_transform, at lra-constraints.c:3773 Product: gcc Version: 7.0 URL: https://buildd.debian.org/status/fetch.php?pkg=gcc-7&a rch=

[Bug target/79354] New: [7 Regression] -mcpu=power8 -O2 generates power9 instruction on powerpc64le-linux

2017-02-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79354 Bug ID: 79354 Summary: [7 Regression] -mcpu=power8 -O2 generates power9 instruction on powerpc64le-linux Product: gcc Version: 7.0 Status: UNCONFIRMED Severity:

[Bug target/79354] [7 Regression] -mcpu=power8 -O2 generates power9 instruction on powerpc64le-linux

2017-02-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79354 Jakub Jelinek changed: What|Removed |Added Priority|P3 |P1 Status|UNCONFIRMED

[Bug rtl-optimization/79279] combine/simplify_set: wrong call to REG_CANNOT_CHANGE_MODE_P

2017-02-02 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79279 Segher Boessenkool changed: What|Removed |Added Status|RESOLVED|ASSIGNED Last reconfirmed|

[Bug target/66144] vector element operator produces very bad code

2017-02-02 Thread meissner at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66144 --- Comment #6 from Michael Meissner --- Created attachment 40660 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40660&action=edit Replacement proposed patch

[Bug target/79343] [7 Regression] error: PIC register clobbered by '%2' in 'asm'

2017-02-02 Thread amodra at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79343 --- Comment #4 from Alan Modra --- Followup here: https://github.com/xianyi/OpenBLAS/issues/1078

[Bug tree-optimization/79352] [7 Regression] -fprintf-return-value doesn't handle flexible-like array members properly

2017-02-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79352 Martin Sebor changed: What|Removed |Added Keywords||wrong-code Status|NEW

[Bug target/79354] [7 Regression] -mcpu=power8 -O2 generates power9 instruction on powerpc64le-linux

2017-02-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79354 --- Comment #1 from Jakub Jelinek --- Perhaps add also foo (&b); below foo (&h); to avoid any kind of IPA thinking the memcpy is useless. It is apparently the movsi_from_sf instruction that has this, added by Michael in r244279. TARGET_NO_SF_SU

[Bug tree-optimization/79327] [7 Regression] wrong code at -O2 and -fprintf-return-value

2017-02-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79327 --- Comment #5 from Jakub Jelinek --- Variant patch: https://gcc.gnu.org/ml/gcc-patches/2017-02/msg00156.html

[Bug target/79354] [7 Regression] -mcpu=power8 -O2 generates power9 instruction on powerpc64le-linux

2017-02-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79354 --- Comment #2 from Jakub Jelinek --- Looking at tmp-mddump.md, the only other insn that emits the stxssp instruction is movsf_hardfloat and that uses wb constraint for the input_operand and only uses wu constraint for stxsspx, while movsi_from_s

[Bug target/79354] [7 Regression] -mcpu=power8 -O2 generates power9 instruction on powerpc64le-linux

2017-02-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79354 --- Comment #3 from Jakub Jelinek --- Created attachment 40661 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40661&action=edit gcc7-pr79354.patch Untested fix.

[Bug middle-end/79275] [7 Regression] -Wformat-overflow false positive exceeding INT_MAX in glibc sysdeps/posix/tempname.c

2017-02-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79275 --- Comment #3 from Martin Sebor --- Author: msebor Date: Fri Feb 3 02:18:59 2017 New Revision: 245142 URL: https://gcc.gnu.org/viewcvs?rev=245142&root=gcc&view=rev Log: PR middle-end/79275 - -Wformat-overflow false positive exceeding INT_MAX

[Bug middle-end/79275] [7 Regression] -Wformat-overflow false positive exceeding INT_MAX in glibc sysdeps/posix/tempname.c

2017-02-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79275 Martin Sebor changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/79354] [7 Regression] -mcpu=power8 -O2 generates power9 instruction on powerpc64le-linux

2017-02-02 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79354 --- Comment #4 from Segher Boessenkool --- That looks good to me. Mike, to you too?

[Bug target/79354] [7 Regression] -mcpu=power8 -O2 generates power9 instruction on powerpc64le-linux

2017-02-02 Thread amodra at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79354 Alan Modra changed: What|Removed |Added CC||amodra at gmail dot com --- Comment #5 from

[Bug target/79354] [7 Regression] -mcpu=power8 -O2 generates power9 instruction on powerpc64le-linux

2017-02-02 Thread amodra at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79354 --- Comment #6 from Alan Modra --- Regression tested powerpc64le-linux successfully.

[Bug tree-optimization/79352] [7 Regression] -fprintf-return-value doesn't handle flexible-like array members properly

2017-02-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79352 Martin Sebor changed: What|Removed |Added Keywords||patch --- Comment #2 from Martin Sebor -

[Bug target/79354] [7 Regression] -mcpu=power8 -O2 generates power9 instruction on powerpc64le-linux

2017-02-02 Thread meissner at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79354 --- Comment #7 from Michael Meissner --- On Fri, Feb 03, 2017 at 01:41:44AM +, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79354 > > --- Comment #3 from Jakub Jelinek --- > Created attachment 40661 > -->

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

2017-02-02 Thread spop at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 --- Comment #4 from Sebastian Pop --- The data dependence relations are dumped in the output of -fdump-tree-graphite-all. graphite-dependences.c contains the code for the data dependence computations. Looking at the gimple code it seems like a tr

[Bug lto/79061] [7 Regression][LTO][ASAN] LTO plus ASAN fails with "AddressSanitizer: initialization-order-fiasco"

2017-02-02 Thread chefmax at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79061 --- Comment #32 from chefmax at gcc dot gnu.org --- Author: chefmax Date: Fri Feb 3 07:17:38 2017 New Revision: 245144 URL: https://gcc.gnu.org/viewcvs?rev=245144&root=gcc&view=rev Log: PR lto/79061 * asan.c (asan_add_global): Fo

<    1   2