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
> }}}
> three times.
>
No problems with the same GCC built with CFLAGS="-O3 -mcpu=niagara2
-mtune=niagara2" if I build GAP with CFLAGS="-O2".
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