https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69471
H.J. Lu changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69471
--- Comment #6 from Thiago Macieira ---
Clang is not affected:
$ clang -dM -E -xc /dev/null -march=sandybridge -march=native | grep AVX
#define __AVX2__ 1
#define __AVX__ 1
$ clang -dM -E -xc /dev/null -march=native -march=sandybridge | grep
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69471
Thiago Macieira changed:
What|Removed |Added
CC||thiago at kde dot org
--- Comment #5
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69471
--- Comment #4 from wavexx at thregr dot org ---
Since I couldn't find documentation for it either, doesn't
-march=haswell by itself imply all associated ISA features?
If so, why -march=native expands to all individual features explicitly?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69471
--- Comment #1 from Jonathan Wakely ---
Some discussion at https://gcc.gnu.org/ml/gcc/2016-01/msg0.html
However ...
(In reply to wavexx from comment #0)
> Since I generally override the default flags in makefiles by appending
> exceptions
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69471
--- Comment #2 from wavexx at thregr dot org ---
On 25/01/16 18:38, redi at gcc dot gnu.org wrote:
> Why would either you or the makefile add something like -march=opteron on a
> haswell host?
>
> Surely the makefile should only add option that
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69471
Manuel López-Ibáñez changed:
What|Removed |Added
CC||manu at gcc dot gnu.org
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