| #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; |
| } |