diff options
Diffstat (limited to 'tests/tcg/loongarch64/test_bit.c')
| -rw-r--r-- | tests/tcg/loongarch64/test_bit.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/tests/tcg/loongarch64/test_bit.c b/tests/tcg/loongarch64/test_bit.c new file mode 100644 index 0000000000..a6d9904909 --- /dev/null +++ b/tests/tcg/loongarch64/test_bit.c @@ -0,0 +1,88 @@ +#include <assert.h> +#include <inttypes.h> + +#define ARRAY_SIZE(X) (sizeof(X) / sizeof(*(X))) +#define TEST_CLO(N) \ +static uint64_t test_clo_##N(uint64_t rj) \ +{ \ + uint64_t rd = 0; \ + \ + asm volatile("clo."#N" %0, %1\n\t" \ + : "=r"(rd) \ + : "r"(rj) \ + : ); \ + return rd; \ +} + +#define TEST_CLZ(N) \ +static uint64_t test_clz_##N(uint64_t rj) \ +{ \ + uint64_t rd = 0; \ + \ + asm volatile("clz."#N" %0, %1\n\t" \ + : "=r"(rd) \ + : "r"(rj) \ + : ); \ + return rd; \ +} + +#define TEST_CTO(N) \ +static uint64_t test_cto_##N(uint64_t rj) \ +{ \ + uint64_t rd = 0; \ + \ + asm volatile("cto."#N" %0, %1\n\t" \ + : "=r"(rd) \ + : "r"(rj) \ + : ); \ + return rd; \ +} + +#define TEST_CTZ(N) \ +static uint64_t test_ctz_##N(uint64_t rj) \ +{ \ + uint64_t rd = 0; \ + \ + asm volatile("ctz."#N" %0, %1\n\t" \ + : "=r"(rd) \ + : "r"(rj) \ + : ); \ + return rd; \ +} + +TEST_CLO(w) +TEST_CLO(d) +TEST_CLZ(w) +TEST_CLZ(d) +TEST_CTO(w) +TEST_CTO(d) +TEST_CTZ(w) +TEST_CTZ(d) + +struct vector { + uint64_t (*func)(uint64_t); + uint64_t u; + uint64_t r; +}; + +static struct vector vectors[] = { + {test_clo_w, 0xfff11fff392476ab, 0}, + {test_clo_d, 0xabd28a64000000, 0}, + {test_clz_w, 0xfaffff42392476ab, 2}, + {test_clz_d, 0xabd28a64000000, 8}, + {test_cto_w, 0xfff11fff392476ab, 2}, + {test_cto_d, 0xabd28a64000000, 0}, + {test_ctz_w, 0xfaffff42392476ab, 0}, + {test_ctz_d, 0xabd28a64000000, 26}, +}; + +int main() +{ + int i; + + for (i = 0; i < ARRAY_SIZE(vectors); i++) { + assert((*vectors[i].func)(vectors[i].u) == vectors[i].r); + } + + return 0; +} |