http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48067
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|powerpc64-linux |powerpc64-linux, x86_64-*-*
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2011.03.11 10:17:47
Host|powerpc64-linux |
AssignedTo|unassigned at gcc dot |rguenth at gcc dot gnu.org
|gnu.org |
Target Milestone|--- |4.6.0
Summary|FMA with no add operand |[4.6 Regression] FMA with
|produced by |no add operand produced by
|convert_mul_to_fma |convert_mul_to_fma
Ever Confirmed|0 |1
Build|powerpc64-linux |
--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-03-11
10:17:47 UTC ---
Reproduces on trunk/x86_64 with
-O2 -ffast-math -mfma4 -fno-tree-forwprop -fno-tree-reassoc
on trunk both forwprop and reassoc change
d12_8 = -c12_7;
D.745_11 = c12_7 - d12_8;
to
D.745_11 = c12_7 + c_12_7;
making the issue latent.