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52 lines
993 B
C
52 lines
993 B
C
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// test if memset and bzero work as expected after optimizations
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#include <string.h>
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char s1[10] = { 1,2,3,4,5,6,7,8,9,10 };
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char r1[10] = { 0,0,0,0,0,6,7,8,9,10 };
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char s2[10] = { 1,2,3,4,5,6,7,8,9,10 };
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char r2[10] = { 0,0,0,0,0,0,7,8,9,10 };
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char s3[10] = { 1,2,3,4,5,6,7,8,9,10 };
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char r3[10] = { 0,0,0,0,0,0,0,8,9,10 };
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char *p1, *p2, *p3;
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int res = 0;
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int main(void)
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{
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/* regular bzero */
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bzero(s1, 5);
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p1 = __AX__; /* this works because bzero jumps into memset */
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/* this gets converted to __bzero */
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p2 = memset(s2, 0, 6);
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/* call internal __bzero (we should not do this in real code) */
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p3 = __bzero(s3, 7);
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/* check the results */
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if (memcmp(s1, r1, 10) != 0) {
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res++;
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}
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if (memcmp(s2, r2, 10) != 0) {
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res++;
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}
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if (memcmp(s3, r3, 10) != 0) {
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res++;
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}
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if (p1 != s1) {
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res++;
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}
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if (p2 != s2) {
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res++;
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}
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if (p3 != s3) {
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res++;
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}
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return res;
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}
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