Re: [PR64164] drop copyrename, integrate into expand

[Richard Biener <richard dot guenther at gmail dot com>]

On July 24, 2015 10:47:37 PM GMT+02:00, "H.J. Lu" <hjl.tools@gmail.com> wrote:
>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:

Yes, the fails appear with -m32 multilib testing on x86_64.

Richard.

>[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]$