[Bug middle-end/31531] A microoptimization of isnegative of signed integer

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31531

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

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--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-07-18 
22:46:55 UTC ---
All the functions produce the same assembler output in 4.6.1 on x86.  Only
isnegative_optimized_4 produces a difference on some targets (and a difference
IR coming into expand).