volatile-2.c: Allow underscores before symbols.

	* gcc.target/i386/volatile-2.c: Allow underscores before symbols.

From-SVN: r164256

gcc/testsuite/ChangeLog

+2010-09-13  Dave Korn  <dave.korn.cygwin@gmail.com>
+
+	* gcc.target/i386/volatile-2.c: Allow underscores before symbols.
+
 2010-09-13  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* gcc.target/i386/fma4-256-vector.c: Add -mtune=generic.

gcc/testsuite/gcc.target/i386/volatile-2.c

@@ -11,8 +11,8 @@ extern int volatile obj_0;
 void test_0 (int data)
 {
   /* should not reread obj */
-  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, obj_0(\\(%rip\\))?" } } */
-  /* { dg-final { scan-assembler-not "movl\[ \t\]obj_0(\\(%rip\\))?," } } */
+  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, _?obj_0(\\(%rip\\))?" } } */
+  /* { dg-final { scan-assembler-not "movl\[ \t\]_?obj_0(\\(%rip\\))?," } } */
   obj_0 = data;
 }
 
@@ -20,8 +20,8 @@ extern int volatile obj_1;
 int test_1 (int data)
 {
   /* should not reread obj */
-  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, obj_1(\\(%rip\\))?" } } */
-  /* { dg-final { scan-assembler-not "movl\[ \t\]obj_1(\\(%rip\\))?," } } */
+  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, _?obj_1(\\(%rip\\))?" } } */
+  /* { dg-final { scan-assembler-not "movl\[ \t\]_?obj_1(\\(%rip\\))?," } } */
   return obj_1 = data;
 }
 
@@ -29,8 +29,8 @@ extern int volatile obj_2;
 int test_2 (void)
 {
   /* should not reread obj */
-  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, obj_2(\\(%rip\\))?" } } */
-  /* { dg-final { scan-assembler-not "movl\[ \t\]obj_2(\\(%rip\\))?," } } */
+  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, _?obj_2(\\(%rip\\))?" } } */
+  /* { dg-final { scan-assembler-not "movl\[ \t\]_?obj_2(\\(%rip\\))?," } } */
   return obj_2 = 0;
 }
 
@@ -41,8 +41,8 @@ extern int volatile obj_3;
 int test_3 (int data)
 {
   /* should not reread obj */
-  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, obj_3(\\(%rip\\))?" } } */
-  /* { dg-final { scan-assembler-not "movl\[ \t\]obj_3(\\(%rip\\))?," } } */
+  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, _?obj_3(\\(%rip\\))?" } } */
+  /* { dg-final { scan-assembler-not "movl\[ \t\]_?obj_3(\\(%rip\\))?," } } */
   return (obj_3 = data, 0);
 }
 
@@ -50,16 +50,16 @@ extern int volatile obj_4;
 int test_4 (void)
 {
   /* should not reread obj */
-  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, obj_4(\\(%rip\\))?" } } */
-  /* { dg-final { scan-assembler-not "movl\[ \t\]obj_4(\\(%rip\\))?," } } */
+  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, _?obj_4(\\(%rip\\))?" } } */
+  /* { dg-final { scan-assembler-not "movl\[ \t\]_?obj_4(\\(%rip\\))?," } } */
   return (obj_4 = 0, 0);
 }
 extern int volatile obj_5;
 int test_5 (void)
 {
   /* should reread obj */
-  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, obj_5(\\(%rip\\))?" } } */
-  /* { dg-final { scan-assembler "movl\[ \t\]obj_5(\\(%rip\\))?," } } */
+  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, _?obj_5(\\(%rip\\))?" } } */
+  /* { dg-final { scan-assembler "movl\[ \t\]_?obj_5(\\(%rip\\))?," } } */
   return (obj_5 = 0, obj_5);
 }
 
@@ -69,8 +69,8 @@ extern int volatile obj_6;
 void test_6 (int data, int cond)
 {
   /* should not reread obj */
-  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, obj_6(\\(%rip\\))?" } } */
-  /* { dg-final { scan-assembler-not "movl\[ \t\]obj_6(\\(%rip\\))?," } } */
+  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, _?obj_6(\\(%rip\\))?" } } */
+  /* { dg-final { scan-assembler-not "movl\[ \t\]_?obj_6(\\(%rip\\))?," } } */
   cond ? obj_6 = data : 0;
 }
 
@@ -78,8 +78,8 @@ extern int volatile obj_7;
 int test_7 (int data, int cond)
 {
   /* should not reread obj */
-  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, obj_7(\\(%rip\\))?" } } */
-  /* { dg-final { scan-assembler-not "movl\[ \t\]obj_7(\\(%rip\\))?," } } */
+  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, _?obj_7(\\(%rip\\))?" } } */
+  /* { dg-final { scan-assembler-not "movl\[ \t\]_?obj_7(\\(%rip\\))?," } } */
   return cond ? obj_7 = data : 0;
 }
 
@@ -87,7 +87,7 @@ extern int volatile obj_8;
 int test_8 (int cond)
 {
   /* should not reread obj */
-  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, obj_8(\\(%rip\\))?" } } */
-  /* { dg-final { scan-assembler-not "movl\[ \t\]obj_8(\\(%rip\\))?," } } */
+  /* { dg-final { scan-assembler "movl\[ \t\]\[^,\]+, _?obj_8(\\(%rip\\))?" } } */
+  /* { dg-final { scan-assembler-not "movl\[ \t\]_?obj_8(\\(%rip\\))?," } } */
   return cond ? obj_8 = 0 : 0;
 }