gcc/testsuite/gcc.dg/i386-387-6.c - gcc - Git at Google

 /* Verify that -march overrides -mno-fancy-math-387.  */
 /* { dg-do compile { target "i?86-*-*" } } */
 /* { dg-options "-O -ffast-math -mfpmath=387 -march=i686 -mno-fancy-math-387" } */
 /* { dg-final { scan-assembler "fpatan" } } */

 double f1(double x) { return __builtin_atan(x); }
	/* Verify that -march overrides -mno-fancy-math-387. */
	/* { dg-do compile { target "i?86--" } } */
	/* { dg-options "-O -ffast-math -mfpmath=387 -march=i686 -mno-fancy-math-387" } */
	/* { dg-final { scan-assembler "fpatan" } } */

	double f1(double x) { return __builtin_atan(x); }