ssa-fre-4.c: Remove mips*-*-* target.

2015-12-14  Steve Ellcey  <sellcey@imgtec.com>

	* gcc.dg/tree-ssa/ssa-fre-4.c: Remove mips*-*-* target.
	* gcc.target/mips/ext-2.c: Update scan checks.

From-SVN: r231635

gcc/testsuite/ChangeLog

+2015-12-14  Steve Ellcey  <sellcey@imgtec.com>
+
+	* gcc.dg/tree-ssa/ssa-fre-4.c: Remove mips*-*-* target.
+	* gcc.target/mips/ext-2.c: Update scan checks.
+
 2015-12-14  Nathan Sidwell  <nathan@acm.org>
 
 	* g++.dg/abi/nvptx-nrv1.C: New.

gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-4.c

 /* 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-do compile { target i?86-*-* x86_64-*-* hppa*-*-* mips*-*-* m68k*-*-* } } */
+/* { dg-do compile { target i?86-*-* x86_64-*-* hppa*-*-* m68k*-*-* } } */
 /* { dg-options "-O -fno-tree-ccp -fno-tree-forwprop -fdump-tree-fre1-details" } */
 
 /* From PR21608.  */

gcc/testsuite/gcc.target/mips/ext-2.c

 /* Turn the truncate,zero_extend,lshiftrt sequence before the or into a
    zero_extract.  The truncate is due to TARGET_PROMOTE_PROTOTYPES, the
-   zero_extend to PROMOTE_MODE.  */
+   zero_extend to PROMOTE_MODE.  As of GCC 6, we no longer define
+   TARGET_PROMOTE_PROTOTYPES so that truncate is gone and we can
+   generate either a single extract or a single shift instruction.  */
 /* { dg-do compile } */
 /* { dg-options "isa_rev>=2 -mgp64 -mlong64" } */
 /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
-/* { dg-final { scan-assembler "\tdext\t" } } */
+/* { dg-final { scan-assembler-times "\tdext\t|\td?srl" 1 } } */
 /* { dg-final { scan-assembler-not "\tand" } } */
-/* { dg-final { scan-assembler-not "\td?srl" } } */
 
 NOMIPS16 void
 f (unsigned char x, unsigned char *r)