------- Comment #7 from rearnsha at gcc dot gnu dot org 2009-03-17 11:19
-------
(In reply to comment #6)
> foo:
> mov r3, r0
> cmn r1, r0
> rsbeq r0, r1, r0
> rsbne r0, r3, r1
> bx lr
This appears to be the code generated at -O1 and although the return is fixed,
the redundant insn has now moved to the prologue...
Fortunately at -Os and -O2 the output is sensible:
foo:
cmn r1, r0
rsbeq r0, r1, r0
rsbne r0, r0, r1
bx lr
--
rearnsha at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
Target Milestone|--- |4.4.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11826
