p5600-bonding.c (dg-options): Force the test to be always built for p5600.

testsuite/
2016-01-29  Andrew Bennett  <andrew.bennett@imgtec.com>

       * gcc.target/mips/p5600-bonding.c (dg-options): Force the test to be
       always built for p5600.
       * gcc.target/mips/mips.exp (mips-dg-options): Add support for the
       isa=p5600 dg-option.

From-SVN: r232980

gcc/testsuite/ChangeLog

+2016-01-29  Andrew Bennett  <andrew.bennett@imgtec.com>
+
+	* gcc.target/mips/p5600-bonding.c (dg-options): Force the test to be
+	always built for p5600.
+	* gcc.target/mips/mips.exp (mips-dg-options): Add support for the
+	isa=p5600 dg-option.
+
 2016-01-29  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/69547

gcc/testsuite/gcc.target/mips/mips.exp

@@ -142,6 +142,9 @@
 #   isa=loongson
 #	select a Loongson processor
 #
+#   isa=p5600
+#      select a P5600 processor
+#
 #   addressing=absolute
 #	force absolute addresses to be used
 #
@@ -1011,6 +1014,10 @@ proc mips-dg-options { args } {
 	    if { ![regexp {^-march=loongson} $arch] } {
 		set arch "-march=loongson2f"
 	    }
+	} elseif { [string equal $spec "isa=p5600"] } {
+	    if { ![regexp {^-march=p5600} $arch] } {
+		set arch "-march=p5600"
+	    }
 	} else {
 	    if { ![regexp {^(isa(?:|_rev))(=|<=|>=)([0-9]*)$} \
 		       $spec dummy prop relation value nocpus] } {

gcc/testsuite/gcc.target/mips/p5600-bonding.c

 /* { dg-do compile } */
-/* { dg-options "-dp -mtune=p5600  -mno-micromips -mno-mips16" } */
+/* { dg-options "-dp isa=p5600 -mtune=p5600 -mno-micromips -mno-mips16" } */
 /* { dg-skip-if "Bonding needs peephole optimization." { *-*-* } { "-O0" "-O1" } { "" } } */
 typedef int VINT32 __attribute__ ((vector_size((16))));