i386-387-1.c

来自「this is a gcc file, you can download it 」· C语言 代码 · 共 11 行

/* Verify that -mno-fancy-math-387 works.  */
/* { dg-do compile { target "i?86-*-*" } } */
/* { dg-options "-O -ffast-math -mfpmath=387 -mno-fancy-math-387" } */
/* { dg-final { scan-assembler "call\t_?sin" } } */
/* { dg-final { scan-assembler "call\t_?cos" } } */
/* { dg-final { scan-assembler "call\t_?sqrt" } } */

double f1(double x) { return __builtin_sin(x); }
double f2(double x) { return __builtin_cos(x); }
double f3(double x) { return __builtin_sqrt(x); }