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Diffstat (limited to 'tests/tcg/x86_64/adox.c')
-rw-r--r-- | tests/tcg/x86_64/adox.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tests/tcg/x86_64/adox.c b/tests/tcg/x86_64/adox.c new file mode 100644 index 0000000000..36be644c8b --- /dev/null +++ b/tests/tcg/x86_64/adox.c @@ -0,0 +1,69 @@ +/* See if ADOX give expected results */ + +#include <assert.h> +#include <stdint.h> +#include <stdbool.h> + +static uint64_t adoxq(bool *c_out, uint64_t a, uint64_t b, bool c) +{ + asm ("addl $0x7fffffff, %k1\n\t" + "adoxq %2, %0\n\t" + "seto %b1" + : "+r"(a), "=&r"(c) : "r"(b), "1"((int)c)); + *c_out = c; + return a; +} + +static uint64_t adoxl(bool *c_out, uint64_t a, uint64_t b, bool c) +{ + asm ("addl $0x7fffffff, %k1\n\t" + "adoxl %k2, %k0\n\t" + "seto %b1" + : "+r"(a), "=&r"(c) : "r"(b), "1"((int)c)); + *c_out = c; + return a; +} + +int main() +{ + uint64_t r; + bool c; + + r = adoxq(&c, 0, 0, 0); + assert(r == 0); + assert(c == 0); + + r = adoxl(&c, 0, 0, 0); + assert(r == 0); + assert(c == 0); + + r = adoxl(&c, 0x100000000, 0, 0); + assert(r == 0); + assert(c == 0); + + r = adoxq(&c, 0, 0, 1); + assert(r == 1); + assert(c == 0); + + r = adoxl(&c, 0, 0, 1); + assert(r == 1); + assert(c == 0); + + r = adoxq(&c, -1, -1, 0); + assert(r == -2); + assert(c == 1); + + r = adoxl(&c, -1, -1, 0); + assert(r == 0xfffffffe); + assert(c == 1); + + r = adoxq(&c, -1, -1, 1); + assert(r == -1); + assert(c == 1); + + r = adoxl(&c, -1, -1, 1); + assert(r == 0xffffffff); + assert(c == 1); + + return 0; +} |