Fix VIS3 assembler check and conditionalize testsuite on VIS3 support.

gcc/

	PR 50655
	* configure.ac: Add .register directives to VIS3 test.
	* configure: Regenerate.

gcc/testsuite/

	PR 50655
	* gcc.target/sparc/sparc.exp: Add vis3 target test.
	* gcc.target/sparc/cmask.c: Use it.
	* gcc.target/sparc/fhalve.c: Likewise.
	* gcc.target/sparc/fnegop.c: Likewise.
	* gcc.target/sparc/fpadds.c: Likewise.
	* gcc.target/sparc/fshift.c: Likewise.
	* gcc.target/sparc/fucmp.c: Likewise.
	* gcc.target/sparc/lzd.c: Likewise.
	* gcc.target/sparc/vis3misc.c: Likewise.
	* gcc.target/sparc/xmul.c: Likewise.

From-SVN: r179667

gcc/ChangeLog

@@ -1,3 +1,9 @@
+2011-10-07  David S. Miller  <davem@davemloft.net>
+
+	PR 50655
+	* configure.ac: Add .register directives to VIS3 test.
+	* configure: Regenerate.
+
 2011-10-07  Richard Henderson  <rth@redhat.com>
 
 	* config.gcc (x86_64-*): Add core-avx-i, core-avx2 for with_cpu.

gcc/configure

@@ -24060,6 +24060,8 @@ else
   gcc_cv_as_sparc_fmaf=no
   if test x$gcc_cv_as != x; then
     $as_echo '.text
+       .register %g2, #scratch
+       .register %g3, #scratch
        .align 4
        fmaddd %f0, %f2, %f4, %f6
        addxccc %g1, %g2, %g3

gcc/configure.ac

@@ -3491,6 +3491,8 @@ foo:
       gcc_cv_as_sparc_fmaf,,
       [-xarch=v9d],
       [.text
+       .register %g2, #scratch
+       .register %g3, #scratch
        .align 4
        fmaddd %f0, %f2, %f4, %f6
        addxccc %g1, %g2, %g3

gcc/testsuite/ChangeLog

@@ -1,3 +1,17 @@
+2011-10-07  David S. Miller  <davem@davemloft.net>
+
+	PR 50655
+	* gcc.target/sparc/sparc.exp: Add vis3 target test.
+	* gcc.target/sparc/cmask.c: Use it.
+	* gcc.target/sparc/fhalve.c: Likewise.
+	* gcc.target/sparc/fnegop.c: Likewise.
+	* gcc.target/sparc/fpadds.c: Likewise.
+	* gcc.target/sparc/fshift.c: Likewise.
+	* gcc.target/sparc/fucmp.c: Likewise.
+	* gcc.target/sparc/lzd.c: Likewise.
+	* gcc.target/sparc/vis3misc.c: Likewise.
+	* gcc.target/sparc/xmul.c: Likewise.
+
 2011-10-07  Richard Henderson  <rth@redhat.com>
 
 	* gcc.target/i386/avx256-unaligned-load-2.c: Tweek vinsert pattern
@@ -17,7 +31,7 @@
 2011-10-06  Joern Rennecke <joern.rennecke@embecosm.com>
 
 	* gcc.dg/pr47276.c (ASMNAME, ASMNAME2, STRING): Define.
-	(__EI___vsyslog_chk, __EI_syslog, __EI_vsyslog): Use ASMNAME.  
+	(__EI___vsyslog_chk, __EI_syslog, __EI_vsyslog): Use ASMNAME.
 	(syslog, vsyslog, __vsyslog_chk): Likewise.
 
 	* gcc.dg/lto/20081222_1.c (ASMNAME, ASMNAME2, STRING): Define.

gcc/testsuite/gcc.target/sparc/cmask.c

@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { target { vis3 } } } */
 /* { dg-options "-mcpu=niagara3 -mvis" } */
 
 void test_cm8 (long x)

gcc/testsuite/gcc.target/sparc/fhalve.c

@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { target { vis3 } } } */
 /* { dg-options "-mcpu=niagara3 -mvis" } */
 
 float test_fhadds (float x, float y)

gcc/testsuite/gcc.target/sparc/fnegop.c

@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { target { vis3 } } } */
 /* { dg-options "-O2 -mcpu=niagara3 -mvis" } */
 
 float test_fnadds(float x, float y)

gcc/testsuite/gcc.target/sparc/fpadds.c

@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { target { vis3 } } } */
 /* { dg-options "-mcpu=niagara3 -mvis" } */
 typedef int __v2si __attribute__((vector_size(8)));
 typedef int __v1si __attribute__((vector_size(4)));

gcc/testsuite/gcc.target/sparc/fshift.c

@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { target { vis3 } } } */
 /* { dg-options "-mcpu=niagara3 -mvis" } */
 typedef int __v2si __attribute__((vector_size(8)));
 typedef short __v4hi __attribute__((vector_size(8)));

gcc/testsuite/gcc.target/sparc/fucmp.c

@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { target { vis3 } } } */
 /* { dg-options "-mcpu=niagara3 -mvis" } */
 typedef unsigned char vec8 __attribute__((vector_size(8)));
 

gcc/testsuite/gcc.target/sparc/lzd.c

@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { target { vis3 } } } */
 /* { dg-options "-mcpu=niagara3" } */
 int test_clz(int a)
 {

gcc/testsuite/gcc.target/sparc/sparc.exp

@@ -24,6 +24,17 @@ if ![istarget sparc*-*-*] then {
 # Load support procs.
 load_lib gcc-dg.exp
 
+# Return 1 if vis3 instructions can be compiled.
+proc check_effective_target_vis3 { } {
+    return [check_no_compiler_messages vis3 object {
+	long long
+	_vis3_fpadd64 (long long __X, long long __Y)
+	{
+	    return __builtin_vis_fpadd64 (__X, __Y);
+	}
+    } "-mcpu=niagara3 -mvis" ]
+}
+
 # If a testcase doesn't have special options, use these.
 global DEFAULT_CFLAGS
 if ![info exists DEFAULT_CFLAGS] then {

gcc/testsuite/gcc.target/sparc/vis3misc.c

@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { target { vis3 } } } */
 /* { dg-options "-mcpu=niagara3 -mvis" } */
 typedef int __v2si __attribute__((vector_size(8)));
 typedef short __v4hi __attribute__((vector_size(8)));

gcc/testsuite/gcc.target/sparc/xmul.c

@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { target { vis3 } } } */
 /* { dg-options "-mcpu=niagara3 -mvis" } */
 typedef long long int64_t;