40 lines
723 B
C
40 lines
723 B
C
#include <stdio.h>
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int main(void)
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{
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int a, b, c;
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int result;
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b = 0x01;
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c = 0xffffffff;
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result = 0;
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__asm
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("l.add r1, r1, r0\n\t" /* clear carry */
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"l.addc %0, %1, %2\n\t"
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: "=r"(a)
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: "r"(b), "r"(c)
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);
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if (a != result) {
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printf("first addc error\n");
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return -1;
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}
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b = 0x01;
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c = 0xffffffff;
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result = 0x80000001;
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__asm
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("l.add r1, r1, r0\n\t" /* clear carry */
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"l.addc %0, %1, %2\n\t"
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"l.movhi %2, 0x7fff\n\t"
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"l.ori %2, %2, 0xffff\n\t"
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"l.addc %0, %1, %2\n\t"
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: "=r"(a)
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: "r"(b), "r"(c)
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);
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if (a != result) {
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printf("addc error\n");
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return -1;
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}
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return 0;
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}
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