Darwin, x86, testsuite - Adjust test labels.

A couple of the i386.exp tests fail because the label spelling used
is different between ELF and Mach-O targets. Adjusted here.

2019-05-24  Iain Sandoe  <iain@sandoe.co.uk>

	* gcc.target/i386/pr67985-2.c: Adjust label checks for
	Darwin.
	* gcc.target/i386/pr77881.c: Likewise.

From-SVN: r271590

gcc/testsuite/ChangeLog

 2019-05-24  Iain Sandoe  <iain@sandoe.co.uk>
 
+	* gcc.target/i386/pr67985-2.c: Adjust label checks for
+	Darwin.
+	* gcc.target/i386/pr77881.c: Likewise.
+
+2019-05-24  Iain Sandoe  <iain@sandoe.co.uk>
+
 	* gcc.target/i386/falign-functions-2.c: Skip for Darwin.
 	* gcc.target/i386/pr70738-7.c: Likewise.
 	* gcc.target/i386/pr24414.c: Likewise.

gcc/testsuite/gcc.target/i386/pr67985-2.c

@@ -10,4 +10,4 @@ foo (float x, float y)
 
 /* { dg-final { scan-assembler-not "mulss" } } */
 /* { dg-final { scan-assembler-not "movl\[ \t\].*, %eax" } } */
-/* { dg-final { scan-assembler "call\[ \t\]__mulsf3" } } */
+/* { dg-final { scan-assembler "call\[ \t\]_?__mulsf3" } } */

gcc/testsuite/gcc.target/i386/pr77881.c

@@ -8,5 +8,5 @@ foo (long long int a, long long int a2, int b)
     if (a < 0 || b)
           baz ();
 }
-/* { dg-final { scan-assembler "js\[ \t\]\.L" } } */
-/* { dg-final { scan-assembler "jne\[ \t\]\.L" } } */
+/* { dg-final { scan-assembler "js\[ \t\]\.?L" } } */
+/* { dg-final { scan-assembler "jne\[ \t\]\.?L" } } */