check_addc.c (1299B)
1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <stdint.h> 4 #include "sys.h" 5 #include "crisutils.h" 6 7 static always_inline int cris_addc(int a, const int b) 8 { 9 asm ("addc\t%1, %0\n" : "+r" (a) : "r" (b)); 10 return a; 11 } 12 13 #define verify_addc(a, b, res, n, z, v, c) \ 14 { \ 15 int r; \ 16 r = cris_addc((a), (b)); \ 17 cris_tst_cc((n), (z), (v), (c)); \ 18 if (r != (res)) \ 19 err(); \ 20 } 21 22 int main(void) 23 { 24 cris_tst_cc_init(); 25 asm volatile ("clearf cz"); 26 verify_addc(0, 0, 0, 0, 0, 0, 0); 27 28 cris_tst_cc_init(); 29 asm volatile ("setf z"); 30 verify_addc(0, 0, 0, 0, 1, 0, 0); 31 32 cris_tst_cc_init(); 33 asm volatile ("setf cz"); 34 verify_addc(0, 0, 1, 0, 0, 0, 0); 35 cris_tst_cc_init(); 36 asm volatile ("clearf c"); 37 verify_addc(-1, 2, 1, 0, 0, 0, 1); 38 39 cris_tst_cc_init(); 40 asm volatile ("clearf nzv"); 41 asm volatile ("setf c"); 42 verify_addc(-1, 2, 2, 0, 0, 0, 1); 43 44 cris_tst_cc_init(); 45 asm volatile ("setf c"); 46 verify_addc(0xffff, 0xffff, 0x1ffff, 0, 0, 0, 0); 47 48 cris_tst_cc_init(); 49 asm volatile ("clearf nzvc"); 50 verify_addc(-1, -1, 0xfffffffe, 1, 0, 0, 1); 51 52 cris_tst_cc_init(); 53 asm volatile ("setf c"); 54 verify_addc(0x78134452, 0x5432f789, 0xcc463bdc, 1, 0, 1, 0); 55 56 pass(); 57 return 0; 58 }