i386: Compile PR target/87007 tests with -mfpmath=sse

-mfpmath=sse is needed to enable SSE for FP math in 32-bit.

	PR target/87007
	* gcc.target/i386/pr87007-1.c: Compile with -mfpmath=sse.
	* gcc.target/i386/pr87007-2.c: Likewise.

From-SVN: r269178

gcc/testsuite/ChangeLog

+2019-02-24  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR target/87007
+	* gcc.target/i386/pr87007-1.c: Compile with -mfpmath=sse.
+	* gcc.target/i386/pr87007-2.c: Likewise.
+
 2019-02-24  Harald Anlauf  <anlauf@gmx.de>
 
 	PR fortran/89266

gcc/testsuite/gcc.target/i386/pr87007-1.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -march=skylake" } */
+/* { dg-options "-O2 -march=skylake -mfpmath=sse" } */
 
 extern float f;
 extern double d;

gcc/testsuite/gcc.target/i386/pr87007-2.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -march=skylake" } */
+/* { dg-options "-O2 -march=skylake -mfpmath=sse" } */
 
 extern float f;
 extern double d;