qemu/tests/tcg/mips/mips32-dsp/maq_sa_w_phl.c

56 lines
1.2 KiB
C

#include<stdio.h>
#include<assert.h>
int main()
{
int rt, rs;
int achi, acli;
int dsp;
int acho, aclo;
int resulth, resultl;
int resdsp;
achi = 0x00000000;
acli = 0x0000B4CB;
rs = 0xFF060000;
rt = 0xCB000000;
resulth = 0x00000000;
resultl = 0x006838CB;
__asm
("mthi %2, $ac1\n\t"
"mtlo %3, $ac1\n\t"
"maq_sa.w.phl $ac1, %4, %5\n\t"
"mfhi %0, $ac1\n\t"
"mflo %1, $ac1\n\t"
: "=r"(acho), "=r"(aclo)
: "r"(achi), "r"(acli), "r"(rs), "r"(rt)
);
assert(resulth == acho);
assert(resultl == aclo);
achi = 0x00000000;
acli = 0x0000B4CB;
rs = 0x80000000;
rt = 0x80000000;
resulth = 0x00;
resultl = 0x7fffffff;
resdsp = 0x01;
__asm
("mthi %3, $ac1\n\t"
"mtlo %4, $ac1\n\t"
"maq_sa.w.phl $ac1, %5, %6\n\t"
"mfhi %0, $ac1\n\t"
"mflo %1, $ac1\n\t"
"rddsp %2\n\t"
: "=r"(acho), "=r"(aclo), "=r"(dsp)
: "r"(achi), "r"(acli), "r"(rs), "r"(rt)
);
assert(resulth == acho);
assert(resultl == aclo);
assert(((dsp >> 17) & 0x01) == 0x01);
return 0;
}