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2602f17fb4
There's only one flag, "callee-save". Also the regno range is limited to 0-63 inclusive, to allow for cheap register sets as uint64_t values.
61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
#include "test.h"
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static void
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maybe_save(jit_state_t *j, jit_gpr_t reg)
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{
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if (jit_gpr_is_callee_save (reg))
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jit_pushr(j, reg);
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}
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static void
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maybe_restore(jit_state_t *j, jit_gpr_t reg)
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{
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if (jit_gpr_is_callee_save (reg))
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jit_popr(j, reg);
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}
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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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maybe_save(j, JIT_V0);
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maybe_save(j, JIT_V1);
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maybe_save(j, JIT_V2);
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jit_operand_t args[] =
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{ jit_operand_gpr (JIT_OPERAND_ABI_POINTER, JIT_R0),
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jit_operand_gpr (JIT_OPERAND_ABI_POINTER, JIT_R1),
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jit_operand_gpr (JIT_OPERAND_ABI_INTMAX, JIT_R2),
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jit_operand_gpr (JIT_OPERAND_ABI_INTMAX, JIT_V0) };
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jit_load_args(j, 4, args);
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jit_qdivr_u(j, JIT_V1, JIT_V2, JIT_R2, JIT_V0);
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jit_str(j, JIT_R0, JIT_V1);
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jit_str(j, JIT_R1, JIT_V2);
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maybe_restore(j, JIT_V2);
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maybe_restore(j, JIT_V1);
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maybe_restore(j, JIT_V0);
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jit_ret(j);
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size_t size = 0;
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void* ret = jit_end(j, &size);
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void (*f)(intmax_t*, intmax_t*, intmax_t, intmax_t) = ret;
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#define QDIV(a, b, c, d) \
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do { \
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intmax_t C = 0, D = 0; f(&C, &D, a, b); ASSERT(C == c); ASSERT(D == d); \
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} while (0)
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QDIV(-1, -2, 1, 1);
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QDIV(-2, -5, 1, 3);
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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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