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[PATCH] Avoid ssa-fre-4.c FAIL on many arches (PR tree-optimization/33757)


This test assumes TARGET_PROMOTE_PROTOTYPES returns true, but that's not the
case on many targets.
Rather than adding e.g.
s390*-*-* ia64-*-* alpha*-*-* avr*-*-* c4x*-*-* crx*-*-* frv*-*-*
powerpc*-*-* spu*-*-* m32c*-*-*
sparc*-*-* && lp64
some arm*-*-*
some sh*-*-* (hitachi or renesas types)
to the dg-skip-if, it is IMHO better just to run the test on selected
few arches which are known to TARGET_PROMOTE_PROTOTYPES true.
See various gcc-testresults mails for these failures.

Ok for trunk?

2007-10-29  Jakub Jelinek  <>

	PR tree-optimization/33757
	* gcc.dg/tree-ssa/ssa-fre-4.c: Run on selected TARGET_PROMOTE_PROTOTYPES
	true architectures instead of having a big dg-skip-if.

--- gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-4.c.jj	2007-09-11 12:43:31.000000000 +0200
+++ gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-4.c	2007-10-29 15:36:36.000000000 +0100
@@ -1,7 +1,6 @@
-/* { dg-do compile } */
 /* If the target returns false for TARGET_PROMOTE_PROTOTYPES, then there
    will be no casts for FRE to eliminate and the test will fail.  */
-/* { dg-skip-if "no promotion to eliminate" { cris-*-* mmix-*-* } { "*" } { "" } } */
+/* { dg-do compile { target i?86-*-* x86_64-*-* hppa*-*-* mips*-*-* m68k*-*-* } } */
 /* { dg-options "-O -fdump-tree-fre-details" } */
 /* From PR21608.  */


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