https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54231
Richard Biener changed:
What|Removed |Added
Resolution|--- |FIXED
Status|NEW
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54231
--- Comment #15 from Andrew Pinski ---
I suspect this has been fixed since maybe GCC 8 (maybe GCC 7).
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54231
--- Comment #14 from Thiago Macieira thiago at kde dot org 2012-09-12
13:02:23 UTC ---
From GCC's own manual:
(Node Function attributes):
On the 386/x86_64 and PowerPC backends, the inliner will not
inline a function that has
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54231
--- Comment #8 from Richard Guenther rguenth at gcc dot gnu.org 2012-08-13
08:59:18 UTC ---
If you do something like
gcc -c t1.c -mavx -flto
gcc -c t2.c -msse2 -flto
gcc t1.o t2.o -flto
then the link step will use -mavx -msse2, that is,
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54231
--- Comment #9 from Thiago Macieira thiago at kde dot org 2012-08-13 09:44:51
UTC ---
(In reply to comment #8)
If you do something like
gcc -c t1.c -mavx -flto
gcc -c t2.c -msse2 -flto
gcc t1.o t2.o -flto
then the link step will use
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54231
--- Comment #10 from Thiago Macieira thiago at kde dot org 2012-08-13
09:53:32 UTC ---
Another test:
$ cat main_avx.c
#define BZERO bzero_avx
#pragma GCC target (avx)
#include main.c
$ cat main_sse2.c
#define BZERO bzero_sse2
#pragma GCC target
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54231
--- Comment #11 from Thiago Macieira thiago at kde dot org 2012-08-13
10:12:48 UTC ---
Attaching __attribute__((target(xxx))) to the function does help.
It generates the following with the my_bzero function from comment 2:
02e0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54231
--- Comment #12 from Richard Guenther rguenth at gcc dot gnu.org 2012-08-13
11:58:33 UTC ---
(In reply to comment #9)
(In reply to comment #8)
If you do something like
gcc -c t1.c -mavx -flto
gcc -c t2.c -msse2 -flto
gcc t1.o t2.o
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54231
--- Comment #13 from Thiago Macieira thiago at kde dot org 2012-08-13
12:13:40 UTC ---
(In reply to comment #12)
Yes, there are similar option-related bugs for this. Note somebody needs
to sit down and document the desired semantics of
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54231
Andrew Pinski pinskia at gcc dot gnu.org changed:
What|Removed |Added
Component|c |lto
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54231
--- Comment #5 from Steven Bosscher steven at gcc dot gnu.org 2012-08-11
22:46:31 UTC ---
Fixing this in the compiler isn't straight-forward. The _mm_stream functions
are just wrappers around builtin functions. It may work correctly if you put
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54231
--- Comment #6 from Thiago Macieira thiago at kde dot org 2012-08-11 23:23:39
UTC ---
(In reply to comment #5)
Fixing this in the compiler isn't straight-forward. The _mm_stream functions
are just wrappers around builtin functions. It may work
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54231
Steven Bosscher steven at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
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