On Saturday, March 30, 2013 9:35:40 PM UTC+1, Jean-Pierre Flori wrote:
>
>
>
> On Saturday, March 30, 2013 7:42:38 PM UTC+1, leif wrote:
>>
>> Jean-Pierre Flori wrote:
>> > On Saturday, March 30, 2013 6:25:37 PM UTC+1, Jean-Pierre Flori wrote:
>> > On Saturday, March 30, 2013 2:46:56 PM UTC+1, leif wrote:
>> >
>> > Jean-Pierre Flori wrote:
>> > > On Saturday, March 30, 2013 7:15:10 AM UTC+1, leif wrote:
>> > > Just for the record, I get ICEs with the GCC 4.7.2.p0
>> > spkg (with Sun as
>> > > and ld) on Solaris SPARC (32-bit) when compiling GAP and
>> > libGAP with
>> > > -O3; -O2 works in both cases. (I didn't get them with
>> > the system-wide
>> > > GCC 4.7.0 on {mark,mark2}.)
>> > >
>> > > I cannot reproduce these on the Solaris I have access to
>> > (same as the
>> > > one with singular/restrict problem).
>> > > With Sage 5.7 and the GCC 4.7.2.p1 spkg (not that it should
>> > not make any
>> > > difference), I can build the GAP and libgap spkgs both with
>> > CFLAGS unset
>> > > and with CFLAGS="-O3".
>> >
>> > I also built GCC itself with -O3 (and -mcpu=ultrasparc3
>> > -mtune=ultrasparc3); not yet sure whether that matters.
>> >
>> > I rebuilt GCC with CFLAGS="-O3 -mcpu=niagara2 -mtune=niagara2".
>> > And ... tada! It breaks when building GAP:
>> > {{{
>> > ../../src/blister.c: In function 'InitKernel':
>> > ../../src/blister.c:2743:1: internal compiler error: in
>> > simplify_immed_subreg, at simplify-rtx.c:5262
>> > }}}
>>
>> Exactly.
>>
>> > three times.
>> >
>> > No problems with the same GCC built with CFLAGS="-O3 -mcpu=niagara2
>> > -mtune=niagara2" if I build GAP with CFLAGS="-O2".
>>
>> Yep. Although I didn't get them with GCC 4.7.0 and '-mcpu=...
>> -mtune=... -O3', so this might be a regression in 4.7.1 or 4.7.2.
>>
>> It does not errors out if I only use -O3 and not -mtune and -mcpu.
>
And does with "-O3 -mcpu=niagara2"
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