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Date: Fri, 24 Jul 2015 21:53:00 -0000
Message-ID: <CAMe9rOpO+pO3LJ6wOypJ9pzHFgzgye0adQF+LS6eqWcHp2C6=g@mail.gmail.com>
Subject: Re: [PR64164] drop copyrename, integrate into expand
From: "H.J. Lu" <hjl.tools@gmail.com>
To: Alexandre Oliva <aoliva@redhat.com>
Cc: Segher Boessenkool <segher@kernel.crashing.org>, Richard Biener <richard.guenther@gmail.com>, 	Jeff Law <law@redhat.com>, GCC Patches <gcc-patches@gcc.gnu.org>, 	Christophe Lyon <christophe.lyon@linaro.org>, David Edelsohn <dje.gcc@gmail.com>, 	Eric Botcazou <ebotcazou@adacore.com>
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On Fri, Jul 24, 2015 at 1:36 PM, Alexandre Oliva <aoliva@redhat.com> wrote:
> On Jul 24, 2015, "H.J. Lu" <hjl.tools@gmail.com> wrote:
>
>> On Fri, Jul 24, 2015 at 11:43 AM, Alexandre Oliva <aoliva@redhat.com> wrote:
>>> On Jul 23, 2015, "H.J. Lu" <hjl.tools@gmail.com> wrote:
>>>
>>>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66983
>>>
>>> My test logs with the patch have:
>>>
>>> PASS: c-c++-common/dfp/func-vararg-dfp.c execution test
>>>
>>> so I think this one is not caused by the PR64164 patch.
>
>> I double checked.  r226113 failed and r226112 passed.
>
> Weird.  Here's the asm I got, after re-running the command used to
> compiled this test with -save-temps.  I checked that the produced
> executable is an ELF32 executable, and that it completes execution
> successfully.
>
> How does it compare to yours?

Please add -msse2:

[hjl@gnu-ivb-1 gcc]$
/export/gnu/import/git/gcc-regression/master/226113/bld/gcc/xgcc
-B/export/gnu/import/git/gcc-regression/master/226113/bld/gcc/
/export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/c-c++-common/dfp/func-vararg-dfp.c
-m32 -fno-diagnostics-show-caret -fdiagnostics-color=never -std=gnu99
-march=i686  -msse2
[hjl@gnu-ivb-1 gcc]$ ./a.out
Segmentation fault (core dumped)
[hjl@gnu-ivb-1 gcc]$
/export/gnu/import/git/gcc-regression/master/226113/bld/gcc/xgcc
-B/export/gnu/import/git/gcc-regression/master/226113/bld/gcc/
/export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/c-c++-common/dfp/func-vararg-dfp.c
-m32 -fno-diagnostics-show-caret -fdiagnostics-color=never -std=gnu99
-march=i686
[hjl@gnu-ivb-1 gcc]$ ./a.out
[hjl@gnu-ivb-1 gcc]$


-- 
H.J.