?? check_addc.c
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#include <stdio.h>#include <stdlib.h>#include <stdint.h>#include "sys.h"#include "crisutils.h"extern inline int cris_addc(int a, const int b) { asm ("addc\t%1, %0\n" : "+r" (a) : "r" (b)); return a;}#define verify_addc(a, b, res, n, z, v, c) \{ \ int r; \ r = cris_addc((a), (b)); \ cris_tst_cc((n), (z), (v), (c)); \ if (r != (res)) \ err(); \}int main(void){ cris_tst_cc_init(); asm volatile ("clearf cz"); verify_addc(0, 0, 0, 0, 0, 0, 0); cris_tst_cc_init(); asm volatile ("setf z"); verify_addc(0, 0, 0, 0, 1, 0, 0); cris_tst_cc_init(); asm volatile ("setf cz"); verify_addc(0, 0, 1, 0, 0, 0, 0); cris_tst_cc_init(); asm volatile ("clearf c"); verify_addc(-1, 2, 1, 0, 0, 0, 1); cris_tst_cc_init(); asm volatile ("clearf nzv"); asm volatile ("setf c"); verify_addc(-1, 2, 2, 0, 0, 0, 1); cris_tst_cc_init(); asm volatile ("setf c"); verify_addc(0xffff, 0xffff, 0x1ffff, 0, 0, 0, 0); cris_tst_cc_init(); asm volatile ("clearf nzvc"); verify_addc(-1, -1, 0xfffffffe, 1, 0, 0, 1); cris_tst_cc_init(); asm volatile ("setf c"); verify_addc(0x78134452, 0x5432f789, 0xcc463bdc, 1, 0, 1, 0); pass(); return 0;}?? 快捷鍵說明
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