https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67609
--- Comment #5 from Richard Biener ---
It does the "correct" thing for
#include
__m128d reg;
void set_lower(float b)
{
float v[4];
_mm_store_pd((double *)v, reg);
v[0] = b;
reg = _mm_load_pd((double *)v);
}
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67609
--- Comment #4 from Richard Biener ---
(In reply to Uroš Bizjak from comment #3)
> The doc says:
>
> When used as an lvalue, 'subreg' is a word-based accessor.
> Storing to a 'subreg' modifies all the words of REG that
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67609
--- Comment #3 from Uroš Bizjak ---
The doc says:
When used as an lvalue, 'subreg' is a word-based accessor.
Storing to a 'subreg' modifies all the words of REG that
overlap the 'subreg', but it leaves the other wor
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67609
Richard Biener changed:
What|Removed |Added
Target||x86_64-*-*
Status|UNCONFIRM
