r199557 - in /trunk/gcc: ChangeLog config/rs600...

[ebotcazou@gcc.gnu.org]

Author: ebotcazou
Date: Fri May 31 19:12:05 2013
New Revision: 199557

URL: http://gcc.gnu.org/viewcvs?rev=199557&root=gcc&view=rev
Log:
	* config/rs6000/predicates.md (rs6000_cbranch_operator): Accept some
	unordered comparison operators when -fno-trapping-math is in effect
	on the e500.
	* config/rs6000/rs6000.c (rs6000_generate_compare): Remove dead code
	and implement unordered comparison operators properly on the e500.

Added:
    trunk/gcc/testsuite/gcc.target/powerpc/e500-ord-1.c
    trunk/gcc/testsuite/gcc.target/powerpc/e500-ord-2.c
    trunk/gcc/testsuite/gcc.target/powerpc/e500-unord-1.c
    trunk/gcc/testsuite/gcc.target/powerpc/e500-unord-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/predicates.md
    trunk/gcc/config/rs6000/rs6000.c
    trunk/gcc/testsuite/ChangeLog