mpsrlqi.gml

来自「开放源码的编译器open watcom 1.6.0版的源代码」· GML 代码 · 共 46 行

.func _m_psrlqi
#include <mmintrin.h>
__m64 _m_psrlqi(__m64 *m, int count);
.funcend
.desc begin
The 64-bit quad-word in
.arg m
is shifted to the right by the scalar shift count in
.arg count.
The high-order bits are filled with zeros.
The shift count is interpreted as unsigned.
Shift counts greater than 63 yield all zeros.
.desc end
.return begin
Shift right the 64-bit quad-word in
.arg m
by an amount specified in
.arg count
while shifting in zeros.
.return end
.see begin
.im seemmsrl &function.
.see end
.exmp begin
#include <stdio.h>
#include <mmintrin.h>

#define AS_QWORD "%16.16Lx"
.exmp break
__m64   a;
__m64   b = { 0x3f04800300020001 };

void main()
  {
    a = _m_psrlqi( b, 2 );
    printf( "m ="AS_QWORD"\n"
            "mm="AS_QWORD"\n",
            b, a );
  }
.exmp output
m =3f04800300020001
mm=0fc12000c0008000
.exmp end
.class Intel
.system