41 lines
720 B
C
41 lines
720 B
C
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#include <assert.h>
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#include <stdint.h>
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static void test_dr(void)
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{
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register int32_t r0 asm("r0") = -1;
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register int32_t r1 asm("r1") = -4241;
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int32_t b = 101, q, r;
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asm("dr %[r0],%[b]"
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: [r0] "+r" (r0), [r1] "+r" (r1)
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: [b] "r" (b)
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: "cc");
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q = r1;
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r = r0;
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assert(q == -41);
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assert(r == -100);
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}
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static void test_dlr(void)
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{
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register uint32_t r0 asm("r0") = 0;
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register uint32_t r1 asm("r1") = 4243;
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uint32_t b = 101, q, r;
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asm("dlr %[r0],%[b]"
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: [r0] "+r" (r0), [r1] "+r" (r1)
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: [b] "r" (b)
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: "cc");
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q = r1;
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r = r0;
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assert(q == 42);
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assert(r == 1);
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}
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int main(void)
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{
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test_dr();
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test_dlr();
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}
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