glibc/sysdeps/m68k/m680x0/fpu/math_private.h

#ifndef _MATH_PRIVATE_H

#define math_opt_barrier(x) \
({ __typeof (x) __x;					\
   __asm ("" : "=f" (__x) : "0" (x));			\
   __x; })
#define math_force_eval(x) \
do							\
  {							\
    __typeof (x) __x = (x);				\
    if (sizeof (x) <= sizeof (double))			\
      __asm __volatile ("" : : "m" (__x));		\
    else						\
      __asm __volatile ("" : : "f" (__x));		\
  }							\
while (0)

#include_next <math_private.h>
#endif
m68k: add optimized math_opt_barrier and math_force_eval 2011-10-26 09:34:30 +00:00			`#ifndef _MATH_PRIVATE_H`

			`#define math_opt_barrier(x) \`
			`({ __typeof (x) __x; \`
			`__asm ("" : "=f" (__x) : "0" (x)); \`
			`__x; })`
			`#define math_force_eval(x) \`
			`do \`
			`{ \`
			`__typeof (x) __x = (x); \`
			`if (sizeof (x) <= sizeof (double)) \`
			`__asm __volatile ("" : : "m" (__x)); \`
			`else \`
			`__asm __volatile ("" : : "f" (__x)); \`
			`} \`
			`while (0)`

Use include_next to chain math_private.h headers. 2012-03-10 00:28:42 +00:00			`#include_next <math_private.h>`
m68k: add optimized math_opt_barrier and math_force_eval 2011-10-26 09:34:30 +00:00			`#endif`