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Re: Some regressions from the dataflow merge


Seongbae Park (???, ???) wrote:
> On 6/12/07, Richard Guenther <rguenther@suse.de> wrote:
>> On Tue, 12 Jun 2007, Richard Guenther wrote:
>>
>> >
>> > On ia64 SPEC2000 I see fma3d and applu now miscompare.
>>
>> On x86_64 186.wupwise ICEs with -O2 -ffast-math and FDO:
>>
>> /gcc/spec/sb-haydn-fdo-64/x86_64/install-200706120559/bin/gfortran -c -o
>> zscal.o -fprofile-use -O2 -ffast-math zscal.f
>> Error from fdo_make_pass2 'specmake -j2 FDO=PASS2 build 2>
>> fdo_make_pass2.err | tee fdo_make_pass2.out':
>> zgemm.f: In function 'zgemm':
>> zgemm.f:413: internal compiler error: in remove_insn, at emit-rtl.c:3597
>> Please submit a full bug report,
>> with preprocessed source if appropriate.
>> See <URL:http://gcc.gnu.org/bugs.html> for instructions.
>>
>> Likewise for 176.gcc:
>>
>> combine.c: In function 'simplify_comparison':
>> combine.c:9697: internal compiler error: in remove_insn, at
>> emit-rtl.c:3597
>> Please submit a full bug report,
>> with preprocessed source if appropriate.
>> See <URL:http://gcc.gnu.org/bugs.html> for instructions.
>> specmake: *** [combine.o] Error 1
>
> Sounds like there's a pass that are emitting a barrier during
> cfglayout mode.
> I'll look at them.
see if danny accidently reverted your gcse fix for this

kenny


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