march-generic.c: Skip for -march in multilib options.

	* gcc.dg/march-generic.c: Skip for -march in multilib options.
	* gcc.target/i386/isa-9.c: Skip for -march other than
	-march=amdfam10 in multilib options.
	* gcc.target/i386/pr42589.c: Skip for -march other than
	-march=i486 in multilib options.
	* gcc.target/i386/sse-19.c: Add -march=x86-64 option and skip for
	other -march in multilib options.

From-SVN: r165882

gcc/testsuite/ChangeLog

+2010-10-23  Joseph Myers  <joseph@codesourcery.com>
+
+	* gcc.dg/march-generic.c: Skip for -march in multilib options.
+	* gcc.target/i386/isa-9.c: Skip for -march other than
+	-march=amdfam10 in multilib options.
+	* gcc.target/i386/pr42589.c: Skip for -march other than
+	-march=i486 in multilib options.
+	* gcc.target/i386/sse-19.c: Add -march=x86-64 option and skip for
+	other -march in multilib options.
+
 2010-10-23  Jie Zhang  <jie@codesourcery.com>
 
 	PR rtl-optimization/37360

gcc/testsuite/gcc.dg/march-generic.c

 /* { dg-do compile { target i?86-*-* } } */
+/* { dg-skip-if "" { *-*-* } { "-march=*" } { "" } } */
 /* { dg-options "-march=generic" } */
 /* { dg-error "generic CPU can be used only for -mtune" "" { target *-*-* } 0 } */
 /* { dg-bogus "march" "" { target *-*-* } 0 } */

gcc/testsuite/gcc.target/i386/isa-9.c

 /* { dg-do run } */
+/* { dg-skip-if "" { i?86-*-* x86_64-*-* } { "-march=*" } { "-march=amdfam10" } } */
 /* { dg-options "-march=amdfam10 -mno-fma4" } */
 
 extern void abort (void);

gcc/testsuite/gcc.target/i386/pr42589.c

 /* { dg-do compile } */
 /* { dg-require-effective-target ilp32 } */
+/* { dg-skip-if "" { i?86-*-* x86_64-*-* } { "-march=*" } { "-march=i486" } } */
 /* { dg-options "-O2 -march=i486" } */
 
 void

gcc/testsuite/gcc.target/i386/sse-19.c

 /* { dg-do compile } */
-/* { dg-options "-O3 -msse2" } */
+/* { dg-skip-if "" { i?86-*-* x86_64-*-* } { "-march=*" } { "-march=x86-64" } } */
+/* { dg-options "-O3 -march=x86-64 -msse2" } */
 /* { dg-final { scan-assembler "punpcklbw" } } */
 extern void abort();
 #include <emmintrin.h>