?? check_addoq.c.svn-base
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#include <stdio.h>#include <stdlib.h>#include <stdint.h>#include "sys.h"#include "crisutils.h"/* this would be better to do in asm, it's an orgy in GCC inline asm now. *//* ACR will be clobbered. */#define cris_addoq(o, v) \ asm volatile ("addoq\t%1, %0, $acr\n" : : "r" (v), "i" (o) : "acr");int main(void){ int x[3] = {0x55aa77ff, 0xccff2244, 0x88ccee19}; int *p, *t = x + 1; cris_tst_cc_init(); asm volatile ("setf\tzvnc\n"); cris_addoq(0, t); cris_tst_cc(1, 1, 1, 1); asm volatile ("move.d\t$acr, %0\n" : "=r" (p)); if (*p != 0xccff2244) err(); cris_tst_cc_init(); asm volatile ("setf\tzvnc\n"); cris_addoq(4, t); cris_tst_cc(1, 1, 1, 1); asm volatile ("move.d\t$acr, %0\n" : "=r" (p)); if (*p != 0x88ccee19) err(); cris_tst_cc_init(); asm volatile ("clearf\tzvnc\n"); cris_addoq(-8, t + 1); cris_tst_cc(0, 0, 0, 0); asm volatile ("move.d\t$acr, %0\n" : "=r" (p)); if (*p != 0x55aa77ff) err(); pass(); return 0;}?? 快捷鍵說明
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