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> forwarded 680776 http://gcc.gnu.org/PR53907
Bug #680776 [gcc-4.7] gcc-4.7: does not use aligned load
Set Bug forwarded-to-address to 'http://gcc.gnu.org/PR53907'.
> tags 680776 + fixed-upstream
Bug #680776 [gcc-4.7] gcc-4.7: does not use aligned l
On Mon, Aug 27, 2012 at 11:53:35AM +0200, Matthias Klose wrote:
> tags 680776 + moreinfo
> thanks
>
> On 09.07.2012 12:02, Ondrej Bilka wrote:
> > Package: gcc-4.7
> > Version: 4.7.1-2
> > Severity: normal
> > Tags: upstream
> >
> > Gcc uses unaligned load instruction movdqu even if aligned load
Processing commands for cont...@bugs.debian.org:
> tags 680776 + moreinfo
Bug #680776 [gcc-4.7] gcc-4.7: does not use aligned load
Added tag(s) moreinfo.
> thanks
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680776: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=68077
tags 680776 + moreinfo
thanks
On 09.07.2012 12:02, Ondrej Bilka wrote:
> Package: gcc-4.7
> Version: 4.7.1-2
> Severity: normal
> Tags: upstream
>
> Gcc uses unaligned load instruction movdqu even if aligned load movdqa
> was requested and data are aligned.
>
> An example follows
please check
Package: gcc-4.7
Version: 4.7.1-2
Severity: normal
Tags: upstream
Gcc uses unaligned load instruction movdqu even if aligned load movdqa
was requested and data are aligned.
An example follows
#include
__m128i x(char *s){
__m128i sz,z,mvec;
s-=((unsigned long) s)%16;
sz=_mm_load_si128(s);
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