Re: Bootstrap comparison failures on i586

2008-04-05 Thread Jan Hubicka
> > This patch also fails for gcc.target/i386/movq.c with -fpic[1]. It > doesn't fail before this patch was committed [2]. > > [1] http://gcc.gnu.org/ml/gcc-testresults/2008-04/msg00031.html > [2] http://gcc.gnu.org/ml/gcc-testresults/2008-04/msg1.html This did not reproduce for me, but I've

Re: Bootstrap comparison failures on i586

2008-04-05 Thread Uros Bizjak
Hello! > > Have you tried running valgrind? > > Thanks for the tip. Indeed something shows up: > > [...] > > if (parts.base) > { > if (REGNO_POINTER_ALIGN (REGNO (parts.base)) < 32) <-- 820 > return 0; > } > > I think parts.base is OK so it's probably REGNO_POINTER_ALIGN >

Re: Bootstrap comparison failures on i586

2008-04-04 Thread Jan Hubicka
> > if (parts.base) > { > if (REGNO_POINTER_ALIGN (REGNO (parts.base)) < 32) <-- 820 > return 0; > } > > I think parts.base is OK so it's probably REGNO_POINTER_ALIGN Uh, while converting the regno_pointer_align from GGC to malloced memory, I mistakely used xmalloc instead

Re: Bootstrap comparison failures on i586

2008-04-04 Thread Eric Botcazou
> Have you tried running valgrind? Thanks for the tip. Indeed something shows up: Compiler executable checksum: 87aef5f5c9fba1ed8f2a556528fc3927 ==3282== Conditional jump or move depends on uninitialised value(s) ==3282==at 0x904EFA6: aligned_operand_1 (predicates.md:820) ==3282==by 0x90

Re: Bootstrap comparison failures on i586

2008-04-03 Thread Paolo Bonzini
Eric Botcazou wrote: Hi, Since yesterday I'm having seemingly random bootstrap comparisons failures on i586-suse-linux: for caller-save.o yesterday, for build/gensupport.o today at revision 133861. But a second tree at the same revision bootstrapped fine. Is anyone else seeing this? Have

Bootstrap comparison failures on i586

2008-04-03 Thread Eric Botcazou
Hi, Since yesterday I'm having seemingly random bootstrap comparisons failures on i586-suse-linux: for caller-save.o yesterday, for build/gensupport.o today at revision 133861. But a second tree at the same revision bootstrapped fine. Is anyone else seeing this? -- Eric Botcazou