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41 lines
1 KiB
C
41 lines
1 KiB
C
#include "test.h"
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static const jit_word_t overflowed = 0xcabba9e5;
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static void
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run_test(jit_state_t *j, uint8_t *arena_base, size_t arena_size)
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{
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jit_begin(j, arena_base, arena_size);
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size_t align = jit_enter_jit_abi(j, 0, 0, 0);
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jit_load_args_1(j, jit_operand_gpr (JIT_OPERAND_ABI_WORD, JIT_R0));
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jit_reloc_t r = jit_boaddi_u(j, JIT_R0, 1);
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jit_leave_jit_abi(j, 0, 0, align);
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jit_retr(j, JIT_R0);
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jit_patch_here(j, r);
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jit_movi(j, JIT_R0, overflowed);
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jit_leave_jit_abi(j, 0, 0, align);
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jit_retr(j, JIT_R0);
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jit_word_t (*f)(jit_word_t) = jit_end(j, NULL);
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ASSERT(f(-1) == overflowed);
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ASSERT(f(0) == 1);
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ASSERT(f(1) == 2);
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#if __WORDSIZE == 32
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ASSERT(f(0x7fffffff) == 0x80000000);
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ASSERT(f(0x80000000) == 0x80000001);
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ASSERT(f(0xffffffff) == overflowed);
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#else
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ASSERT(f(0x7fffffffffffffff) == 0x8000000000000000);
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ASSERT(f(0x8000000000000000) == 0x8000000000000001);
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ASSERT(f(0xffffffffffffffff) == overflowed);
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#endif
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}
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int
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main (int argc, char *argv[])
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{
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return main_helper(argc, argv, run_test);
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}
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