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glibc  2.9
Functions
qp_flt.c File Reference
#include "soft-fp.h"
#include "quad.h"

Go to the source code of this file.

Functions

int _Qp_flt (const long double *a, const long double *b)

Function Documentation

int _Qp_flt ( const long double *  a,
const long double *  b 
)

Definition at line 26 of file qp_flt.c.

{
  FP_DECL_EX;
  FP_DECL_Q(A); FP_DECL_Q(B);
  int r;

  FP_INIT_ROUNDMODE;
  FP_UNPACK_RAW_QP(A, a);
  FP_UNPACK_RAW_QP(B, b);
  FP_CMP_Q(r, B, A, 3);
  if (r == 3)
    FP_SET_EXCEPTION(FP_EX_INVALID);

  QP_HANDLE_EXCEPTIONS(
       __asm (
"      ldd [%0], %%f52\n"
"      ldd [%0+8], %%f54\n"
"      ldd [%1], %%f56\n"
"      ldd [%1+8], %%f58\n"
"      fcmpeq %%fcc3, %%f52, %%f56\n"
"      " : : "r" (a), "r" (b) : QP_CLOBBER_CC);
       _FPU_GETCW(_fcw);
       r = ((_fcw >> 36) & 3));

  return (r == 1);
}