--- Comment #5 from manu at gcc dot gnu dot org 2010-02-26 13:20 ---
,,. but a duplicate
*** This bug has been marked as a duplicate of 32824 ***
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manu at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #4 from manu at gcc dot gnu dot org 2010-02-26 13:20 ---
So this is not invalid...
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manu at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #3 from pinskia at gcc dot gnu dot org 2010-02-26 00:47 ---
t.f:15: note: not vectorized: unsupported use in stmt.
(In reply to comment #2)
> Subject: RE: gcc could not vectorize floating point
> reduction statements
>
> Thanks for pointing this out. Actually I am working
: pinskia at gcc dot gnu dot org [gcc-bugzi...@gcc.gnu.org]
Sent: Thursday, February 25, 2010 5:57 PM
To: Fang, Changpeng
Subject: [Bug middle-end/43184] gcc could not vectorize floating point
reduction statements
--- Comment #1 from pinskia at gcc dot gnu dot org 2010-02-25 23:57
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--- Comment #1 from pinskia at gcc dot gnu dot org 2010-02-25 23:57 ---
>gcc 4.5 could not vectorize floating point reductions.
Yes it can; add -ffast-math. floating point reductions need -ffast-math as it
can change the results in some cases (negative zero and I think clamping cases
t
