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path: root/deps/lightening/tests/extr_uc.c
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#include "test.h"

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_1(j, jit_operand_gpr (JIT_OPERAND_ABI_WORD, JIT_R1));

  jit_extr_uc(j, JIT_R0, JIT_R1);
  jit_leave_jit_abi(j, 0, 0, align);
  jit_retr(j, JIT_R0);

  jit_uword_t (*f)(jit_uword_t) = jit_end(j, NULL);

  ASSERT(f(0) == 0);
  ASSERT(f(1) == 1);
  ASSERT(f(0xff) == 0xff);
  ASSERT(f(0xfff) == 0xff);
  ASSERT(f(0xf00) == 0);
}

int
main (int argc, char *argv[])
{
  return main_helper(argc, argv, run_test);
}