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Re: [Bug middle-end/32749] [4.3 regression]: gfortran.dg/auto_array_1.f90
- From: Kenneth Zadeck <zadeck at naturalbridge dot com>
- To: "Seongbae Park (???, ???)" <seongbae dot park at gmail dot com>
- Cc: gcc-bugzilla at gcc dot gnu dot org, "Bonzini, Paolo" <bonzini at gnu dot org>, gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Thu, 26 Jul 2007 13:35:36 -0400
- Subject: Re: [Bug middle-end/32749] [4.3 regression]: gfortran.dg/auto_array_1.f90
- References: <bug-32749-682@http.gcc.gnu.org/bugzilla/> <20070716232625.9422.qmail@sourceware.org> <46A88AB8.4000401@naturalbridge.com> <ab3a61990707261027o608d0b88k7295d47afd321252@mail.gmail.com>
Seongbae Park (???, ???) wrote:
> On 7/26/07, Kenneth Zadeck <zadeck@naturalbridge.com> wrote:
>> This patch extends the fix in
>> http://gcc.gnu.org/ml/gcc-patches/2007-06/msg01557.html
>> to handle the case of clobbers inside conditional calls.
>>
>> This problem caused the regression of gfortran.dg/matmul_3.f90 on the
>> ia-64 in addition to the regression cited in this pr.
>>
>> Tested on ppc-32, ia-64 and x86-64.
>>
>> 2007-07-26 Kenneth Zadeck <zadeck@naturalbridge.com>
>>
>> PR middle-end/32749
>>
>> * df-problems.c (df_note_bb_compute): Handle case of clobber
>> inside conditional call.
>>
>> ok to commit?
>
> This change is OK.
> Though I wonder if we need to do similar checking
> for the regular insn case below.
No the checking is done in df_create_unused_note. The only reason you
have to do it here is that you are not calling that.
thanks
kenny