test_dsp_r2_mul_ph.c (833B)
1 #include<stdio.h> 2 #include<assert.h> 3 4 int main() 5 { 6 int rd, rs, rt, dsp; 7 int result, resultdsp; 8 9 rs = 0x03FB1234; 10 rt = 0x0BCC4321; 11 result = 0xF504F4B4; 12 resultdsp = 1; 13 14 __asm 15 ("mul.ph %0, %2, %3\n\t" 16 "rddsp %1\n\t" 17 : "=r"(rd), "=r"(dsp) 18 : "r"(rs), "r"(rt) 19 ); 20 dsp = (dsp >> 21) & 0x01; 21 assert(rd == result); 22 assert(dsp == resultdsp); 23 24 dsp = 0; 25 __asm 26 ("wrdsp %0\n\t" 27 : 28 : "r"(dsp) 29 ); 30 31 rs = 0x00210010; 32 rt = 0x00110005; 33 result = 0x2310050; 34 resultdsp = 0; 35 36 __asm 37 ("mul.ph %0, %2, %3\n\t" 38 "rddsp %1\n\t" 39 : "=r"(rd), "=r"(dsp) 40 : "r"(rs), "r"(rt) 41 ); 42 dsp = (dsp >> 21) & 0x01; 43 assert(rd == result); 44 assert(dsp == resultdsp); 45 46 return 0; 47 }