Re: help with PR78809 - inline strcmp for small constant strings

On Fri, 2017-08-04 at 17:30 -0500, Segher Boessenkool wrote: > On Fri, Aug 04, 2017 at 08:38:11PM +, Wilco Dijkstra wrote: > > Richard Henderson wrote: > > > On 08/04/2017 05:59 AM, Prathamesh Kulkarni wrote: > > > > For i386, it seems strcmp is expanded inline via cmpstr optab > > > > by 

Re: broken link on this page https://gcc.gnu.org/gcc-7/changes.html for link to "Profile Mode" page:

On Fri, 4 Aug 2017, Jonathan Wakely wrote: > Thanks for letting us know, I've fixed the link. Thanks, Jonathan. https://gcc.gnu.org/onlinedocs/gcc-7.1.0/libstdc++/manual/manual/profile_mode.html ^ Should we do something about

[Bug driver/81653] gcc configured with --enable-default-pie on SPARC miscompiles hand-written .s files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81653 Eric Botcazou changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/81732] Error: Architecture mismatch on "rd".

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81732 Andrew Pinski changed: What|Removed |Added Keywords||build Target|

[Bug c++/80605] [7/8 Regression] Bad is_standard_layout result with empty base classes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80605 Jonathan Wakely changed: What|Removed |Added CC||raskolnikov at gnu dot org ---

[Bug c++/81634] Some types are incorrectly detected as not standard layout

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81634 Jonathan Wakely changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug driver/81653] gcc configured with --enable-default-pie on SPARC miscompiles hand-written .s files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81653 --- Comment #8 from Andrew Pinski --- If anything it should be the linker which should error out. The linker is part of binutils, report it to them.

[Bug testsuite/81731] FAIL: gcc.dg/torture/pr78218.c: Call has wrong number of arguments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81731 --- Comment #1 from Tom de Vries --- Created attachment 41933 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41933=edit tentative patch

[Bug middle-end/81734] [7/8 Regression] reference to inline function not emitted with -Os

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81734 --- Comment #2 from Matthias Klose --- but shouldn't these the same with different optimization levels?

[PATCH][Arm] Test suite failures resulting from deprecation of -mstructure-size-boundary

This patch fixes test case failures on arm targets due to '-mstructure-size-boundary' being deprecated. The test cases were failing because a warning was being issued and due to the fact that the size of packed and unpacked structures is the same after deprecating '-mstructure-size-boundary'

[Bug fortran/81735] New: double free or corruption (fasttop) error (SIGABRT) with character(:) and custom return type with allocatable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81735 Bug ID: 81735 Summary: double free or corruption (fasttop) error (SIGABRT) with character(:) and custom return type with allocatable Product: gcc Version: 5.4.0

[Bug fortran/81735] double free or corruption (fasttop) error (SIGABRT) with character(:) and custom return type with allocatable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81735 --- Comment #1 from Danila --- Created attachment 41934 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41934=edit code to reproduce this issue

[Bug fortran/81735] double free or corruption (fasttop) error (SIGABRT) with character(:) and custom return type with allocatable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81735 --- Comment #2 from Danila --- Created attachment 41935 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41935=edit full error/stacktrace

[Bug middle-end/81737] New: [8 Regression] 164.gzip in SPEC CPU 2000 failed to build

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81737 Bug ID: 81737 Summary: [8 Regression] 164.gzip in SPEC CPU 2000 failed to build Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

Re: [PATCH] Fold (int *) + 4 to a[1] using offset_int (PR middle-end/81695)

On Fri, Aug 4, 2017 at 2:45 AM, Marek Polacek wrote: > On Fri, Aug 04, 2017 at 11:08:49AM +0200, Richard Biener wrote: >> On Fri, Aug 4, 2017 at 10:38 AM, Marek Polacek wrote: >> > We were crashing because size_binop_loc got operands of different types: >>

[Bug target/81736] New: Unnecessary save and restore frame pointer with -fno-omit-frame-pointer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81736 Bug ID: 81736 Summary: Unnecessary save and restore frame pointer with -fno-omit-frame-pointer Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

Re: Restore proper operation of -fdump-ada-spec in C++

> It was broken by the recent removal of TYPE_METHODS. It turns out that the support for constructors/destructors also needs to be adjusted after the recent changes. Tested on x86_64-suse-linux, applied on the mainline. 2017-08-05 Eric Botcazou c-family/ *

[Bug target/69639] [6/7/8 Regression] FAIL: gcc.c-torture/compile/limits-exprparen.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69639 nightstrike changed: What|Removed |Added CC||nightstrike at gmail dot com --- Comment

[Bug sanitizer/81579] sanitizer_platform_limits_linux.cc:37:15: error: conflicting declaration ‘typedef __gid_t __kernel_gid_t’

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81579 Andrew Pinski changed: What|Removed |Added Keywords||build --- Comment #1 from Andrew Pinski

[Bug middle-end/81734] [7/8 Regression] reference to inline function not emitted with -Os

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81734 --- Comment #1 from Andrew Pinski --- Hmm. I don't remember the c11 semantics when it comes to plain inline. This might not be a bug ...

Re: [PATCH 0/5] RFC, WIP: RTL cost improvements

On Sat, Aug 05, 2017 at 11:07:20AM +0100, Richard Sandiford wrote: > Segher Boessenkool writes: > > This series creates pattern_cost and insn_cost functions that together > > replace the existing insn_rtx_cost function. > > > > pattern_cost is like the old

[Bug driver/81653] gcc configured with --enable-default-pie on SPARC miscompiles hand-written .s files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81653 --- Comment #6 from Bruno Haible --- > passing -fno-pie seems to be the agreed upon way out here. My assembly code is located in a library (think at libffcall, libffi, gmp, ...). Therefore I don't control the final linker options. So, the only

[Bug driver/81653] gcc configured with --enable-default-pie on SPARC miscompiles hand-written .s files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81653 --- Comment #7 from Bruno Haible --- And what do you think about the fact that it produces crashing code without any warning? Is there a chance that 'as' could emit a warning when it produces R_SPARC_GOT22/R_SPARC_GOT10 relocations instead of

[Bug fortran/81296] derived type I/o problem

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81296 --- Comment #3 from Jerry DeLisle --- OK, with the alternate form of the format (aka format statement) the frontend is not building the correct calls to the user defined procedure. { struct __st_parameter_dt dt_parm.9;

Re: [PATCH 0/2] add unique_ptr class

On 08/04/2017 07:52 PM, Jonathan Wakely wrote: > On 31/07/17 19:46 -0400, tbsaunde+...@tbsaunde.org wrote: >> I've been saying I'd do this for a long time, but I'm finally getting to >> importing the C++98 compatable unique_ptr class Pedro wrote for gdb a >> while >> back. Thanks a lot for

[Bug middle-end/81734] New: [7/8 Regression] reference to inline function not emitted with -Os

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81734 Bug ID: 81734 Summary: [7/8 Regression] reference to inline function not emitted with -Os Product: gcc Version: 7.1.1 Status: UNCONFIRMED Severity: normal

[Bug middle-end/81724] New: ICE in expand_stack_vars

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81724 Bug ID: 81724 Summary: ICE in expand_stack_vars Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end

Re: [PATCH 1/3] optabs: ensure mem_thread_fence is a compiler barrier

Alexander Monakov writes: > diff --git a/gcc/optabs.c b/gcc/optabs.c > index a9900657a58..d568ca376fe 100644 > --- a/gcc/optabs.c > +++ b/gcc/optabs.c > @@ -6298,7 +6298,12 @@ void > expand_mem_thread_fence (enum memmodel model) > { >if (targetm.have_mem_thread_fence ())

[Bug target/81725] New: nvptx -run: error getting kernel result: an illegal memory access was encountered

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81725 Bug ID: 81725 Summary: nvptx -run: error getting kernel result: an illegal memory access was encountered Product: gcc Version: unknown Status: UNCONFIRMED

[Bug testsuite/81727] [nvptx] gcc.dg/graphite/{run-id-1,interchange-7}.c failure: not enough stack size

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81727 Tom de Vries changed: What|Removed |Added Summary|[nvptx] |[nvptx]

[Bug middle-end/81705] [8 Regression] UBSAN: yet another false positive

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81705 --- Comment #8 from rguenther at suse dot de --- On August 5, 2017 12:01:06 AM GMT+02:00, babokin at gmail dot com wrote: >https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81705 > >--- Comment #7 from Dmitry Babokin ---

[Bug target/81726] New: nvptx-run: error getting kernel result: an illegal instruction was encountered

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81726 Bug ID: 81726 Summary: nvptx-run: error getting kernel result: an illegal instruction was encountered Product: gcc Version: unknown Status: UNCONFIRMED

[Bug target/81728] New: nvptx-run: error getting kernel result: the launch timed out and was terminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81728 Bug ID: 81728 Summary: nvptx-run: error getting kernel result: the launch timed out and was terminated Product: gcc Version: unknown Status: UNCONFIRMED

Re: Add support to trace comparison instructions and switch statements

Hi all Is it worth adding my codes to gcc ? Are there some steps I need to do ? Could somebody tell me the progress ? Maybe there should be a project like libfuzzer to solve bugs in program. Wish Wu -- From:Wish Wu

[Bug testsuite/81727] New: [nvptx] gcc.dg/graphite/run-id-1.c failure: not enough stack size

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81727 Bug ID: 81727 Summary: [nvptx] gcc.dg/graphite/run-id-1.c failure: not enough stack size Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal

[Bug target/81729] New: [nvptx] Invalid initial value expression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81729 Bug ID: 81729 Summary: [nvptx] Invalid initial value expression Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component:

Re: [PATCH 0/5] RFC, WIP: RTL cost improvements

Segher Boessenkool writes: > This series creates pattern_cost and insn_cost functions that together > replace the existing insn_rtx_cost function. > > pattern_cost is like the old insn_rtx_cost function; insn_cost takes > an actual rtx_insn * as input, not just a

[Bug fortran/81723] [7/8 Regression] fortran build doesn't terminate on 64bit targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81723 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug target/81730] New: nvptx and finstrument-functions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81730 Bug ID: 81730 Summary: nvptx and finstrument-functions Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: target

[Bug testsuite/81731] New: FAIL: gcc.dg/torture/pr78218.c: Call has wrong number of arguments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81731 Bug ID: 81731 Summary: FAIL: gcc.dg/torture/pr78218.c: Call has wrong number of arguments Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal

[Bug other/81732] New: Error: Architecture mismatch on "rd".

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81732 Bug ID: 81732 Summary: Error: Architecture mismatch on "rd". Product: gcc Version: 7.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other

[Bug lto/81686] LTO hardcodes identity host to target charset mapping

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81686 --- Comment #4 from Eric Botcazou --- > I'm quite sure Ada has a way to change the charsets as well? Probably, although I'm far from being an expert in this area. But I'm not sure if this really matters, it's probably entirely handled in the

[Bug driver/81653] gcc configured with --enable-default-pie on SPARC miscompiles hand-written .s files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81653 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/81733] stage1 libgcc_s.dylib fails to link on Darwin 11/x86_64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81733 Rainer Orth changed: What|Removed |Added Target Milestone|--- |8.0

[Bug target/81733] New: stage1 libgcc_s.dylib fails to link on Darwin 11/x86_64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81733 Bug ID: 81733 Summary: stage1 libgcc_s.dylib fails to link on Darwin 11/x86_64 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug driver/81653] gcc configured with --enable-default-pie on SPARC miscompiles hand-written .s files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81653 --- Comment #4 from Jakub Jelinek --- Obviously, if you are compiling hand written assembly and linking it into PIEs the code must be PIC. So what is written in #c2 is not a workaround, but the right fix. If you have assembly that is not PIC