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glibc  2.9
Defines | Functions
qp_mul.c File Reference
#include "soft-fp.h"
#include "quad.h"

Go to the source code of this file.

Defines

#define _FP_MUL_MEAT_RESET_FE   do {} while (0)

Functions

void _Qp_mul (long double *c, const long double *a, const long double *b)

Define Documentation

#define _FP_MUL_MEAT_RESET_FE   do {} while (0)

Definition at line 25 of file qp_mul.c.


Function Documentation

void _Qp_mul ( long double *  c,
const long double *  a,
const long double *  b 
)

Definition at line 29 of file qp_mul.c.

{
  FP_DECL_EX;
  FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);

  FP_INIT_ROUNDMODE;
  FP_UNPACK_QP(A, a);
  FP_UNPACK_QP(B, b);
  FP_MUL_Q(C, A, B);
  FP_PACK_QP(c, C);
  QP_HANDLE_EXCEPTIONS(
       _FPU_SETCW(_fcw);
       __asm (
"      ldd [%1], %%f52\n"
"      ldd [%1+8], %%f54\n"
"      ldd [%2], %%f56\n"
"      ldd [%2+8], %%f58\n"
"      fmulq %%f52, %%f56, %%f60\n"
"      std %%f60, [%0]\n"
"      std %%f62, [%0+8]\n"
"      " : : "r" (c), "r" (a), "r" (b) : QP_CLOBBER));
}