89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
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#include <assert.h>
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#include <inttypes.h>
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#define ARRAY_SIZE(X) (sizeof(X) / sizeof(*(X)))
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#define TEST_CLO(N) \
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static uint64_t test_clo_##N(uint64_t rj) \
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{ \
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uint64_t rd = 0; \
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\
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asm volatile("clo."#N" %0, %1\n\t" \
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: "=r"(rd) \
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: "r"(rj) \
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: ); \
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return rd; \
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}
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#define TEST_CLZ(N) \
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static uint64_t test_clz_##N(uint64_t rj) \
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{ \
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uint64_t rd = 0; \
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\
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asm volatile("clz."#N" %0, %1\n\t" \
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: "=r"(rd) \
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: "r"(rj) \
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: ); \
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return rd; \
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}
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#define TEST_CTO(N) \
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static uint64_t test_cto_##N(uint64_t rj) \
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{ \
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uint64_t rd = 0; \
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\
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asm volatile("cto."#N" %0, %1\n\t" \
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: "=r"(rd) \
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: "r"(rj) \
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: ); \
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return rd; \
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}
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#define TEST_CTZ(N) \
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static uint64_t test_ctz_##N(uint64_t rj) \
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{ \
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uint64_t rd = 0; \
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\
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asm volatile("ctz."#N" %0, %1\n\t" \
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: "=r"(rd) \
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: "r"(rj) \
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: ); \
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return rd; \
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}
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TEST_CLO(w)
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TEST_CLO(d)
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TEST_CLZ(w)
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TEST_CLZ(d)
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TEST_CTO(w)
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TEST_CTO(d)
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TEST_CTZ(w)
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TEST_CTZ(d)
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struct vector {
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uint64_t (*func)(uint64_t);
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uint64_t u;
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uint64_t r;
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};
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static struct vector vectors[] = {
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{test_clo_w, 0xfff11fff392476ab, 0},
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{test_clo_d, 0xabd28a64000000, 0},
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{test_clz_w, 0xfaffff42392476ab, 2},
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{test_clz_d, 0xabd28a64000000, 8},
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{test_cto_w, 0xfff11fff392476ab, 2},
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{test_cto_d, 0xabd28a64000000, 0},
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{test_ctz_w, 0xfaffff42392476ab, 0},
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{test_ctz_d, 0xabd28a64000000, 26},
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};
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int main()
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(vectors); i++) {
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assert((*vectors[i].func)(vectors[i].u) == vectors[i].r);
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}
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return 0;
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}
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