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65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
#include "test.h"
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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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const jit_arg_abi_t abi[] = { JIT_ARG_ABI_INTMAX, JIT_ARG_ABI_INTMAX };
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jit_arg_t args[2];
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const jit_anyreg_t regs[] = { { .gpr=JIT_R0 }, { .gpr=JIT_R1 }};
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jit_receive(j, 2, abi, args);
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jit_load_args(j, 2, abi, args, regs);
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jit_movi(j, JIT_R2, 0);
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jit_addcr(j, JIT_R0, JIT_R0, JIT_R1);
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jit_addxi(j, JIT_R2, JIT_R2, 0);
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jit_retr(j, JIT_R2);
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size_t size = 0;
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void* ret = jit_end(j, &size);
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intmax_t (*f)(intmax_t, intmax_t) = ret;
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ASSERT(f(0, 0) == 0);
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#if __WORDSIZE == 32
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/* carry */
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ASSERT(f(0xffffffff, 0xffffffff) == 1);
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/* overflow */
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ASSERT(f(0x7fffffff, 1) == 0);
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/* overflow */
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ASSERT(f(0x7fffffff, 0x7fffffff) == 0);
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/* carry */
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ASSERT(f(0x7fffffff, 0x80000000) == 0);
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/* carry+overflow */
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ASSERT(f(0x80000000, 0x80000000) == 1);
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#else
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/* nothing */
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ASSERT(f(0xffffffff, 0xffffffff) == 0);
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/* nothing */
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ASSERT(f(0x7fffffff, 1) == 0);
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/* nothing */
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ASSERT(f(0x7fffffff, 0x7fffffff) == 0);
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/* nothing */
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ASSERT(f(0x7fffffff, 0x80000000) == 0);
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/* nothing */
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ASSERT(f(0x80000000, 0x80000000) == 0);
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/* carry */
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ASSERT(f(0xffffffffffffffff, 0xffffffffffffffff) == 1);
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/* overflow */
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ASSERT(f(0x7fffffffffffffff, 1) == 0);
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/* overflow */
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ASSERT(f(0x7fffffffffffffff, 0x7fffffffffffffff) == 0);
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/* overflow */
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ASSERT(f(0x7fffffffffffffff, 0x8000000000000000) == 0);
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/* carry+overflow */
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ASSERT(f(0x8000000000000000, 0x8000000000000000) == 1);
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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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