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#include "test.h"
static const jit_word_t overflowed = 0xcabba9e5;
static void
run_test(jit_state_t *j, uint8_t *arena_base, size_t arena_size)
{
jit_begin(j, arena_base, arena_size);
size_t align = jit_enter_jit_abi(j, 0, 0, 0);
jit_load_args_2(j, jit_operand_gpr (JIT_OPERAND_ABI_WORD, JIT_R0),
jit_operand_gpr (JIT_OPERAND_ABI_WORD, JIT_R1));
jit_reloc_t r = jit_bxsubr(j, JIT_R0, JIT_R1);
jit_movi(j, JIT_R0, overflowed);
jit_patch_here(j, r);
jit_leave_jit_abi(j, 0, 0, align);
jit_retr(j, JIT_R0);
jit_word_t (*f)(jit_word_t, jit_word_t) = jit_end(j, NULL);
ASSERT(f(0, 0) == 0);
ASSERT(f(0, 1) == -1);
ASSERT(f(1, 1) == 0);
ASSERT(f(1, -1) == 2);
#if __WORDSIZE == 32
ASSERT(f(0xffffffff, 0xffffffff) == 0);
ASSERT(f(0x7fffffff, 0) == 0x7fffffff);
ASSERT(f(0x7fffffff, 1) == 0x7ffffffe);
ASSERT(f(0x7fffffff, 0x7fffffff) == 0);
ASSERT(f(0x80000000, 0x7fffffff) == overflowed);
ASSERT(f(0x7fffffff, 0x80000000) == overflowed);
ASSERT(f(0x80000000, 0x80000000) == 0);
#else
ASSERT(f(0x7fffffffffffffff, 0x7fffffffffffffff) == 0);
ASSERT(f(0x7fffffffffffffff, 0x8000000000000000) == overflowed);
ASSERT(f(0x8000000000000000, 0x7fffffffffffffff) == overflowed);
ASSERT(f(0x8000000000000000, 0x8000000000000000) == 0);
#endif
}
int
main (int argc, char *argv[])
{
return main_helper(argc, argv, run_test);
}
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