diff --git a/tests/pushpop.c b/tests/pushpop.c new file mode 100644 index 000000000..9a464c3ed --- /dev/null +++ b/tests/pushpop.c @@ -0,0 +1,44 @@ +#include "test.h" + +static void +run_test(jit_state_t *j, uint8_t *arena_base, size_t arena_size) +{ + const jit_gpr_t gpr[] = { JIT_R0, JIT_R1, JIT_R2, JIT_V0, JIT_V1, JIT_V2 }; + const jit_fpr_t fpr[] = { JIT_F0, JIT_F1, JIT_F2 }; + + jit_begin(j, arena_base, arena_size); + + const jit_arg_abi_t abi[] = { JIT_ARG_ABI_INTMAX }; + jit_arg_t args[1]; + const jit_anyreg_t regs[] = { { .gpr=JIT_R0 } }; + + jit_receive(j, 1, abi, args); + jit_load_args(j, 1, abi, args, regs); + + for (int i=0; i<6; i++) + jit_pushr(j, gpr[i]); + for (int i=0; i<3; i++) + jit_pushr_d(j, fpr[i]); + + // Stomple registers. + for (int i=0; i<6; i++) + jit_movi(j, gpr[i], 0xcabba9e5); + for (int i=0; i<3; i++) + jit_extr_d(j, fpr[i], gpr[i]); + + for (int i=2; i>=0; i--) + jit_popr_d(j, fpr[i]); + for (int i=5; i>=0; i--) + jit_popr(j, gpr[i]); + + jit_retr(j, JIT_R0); + + intmax_t (*f)(intmax_t) = jit_end(j, NULL); + ASSERT(f(42) == 42); +} + +int +main (int argc, char *argv[]) +{ + return main_helper(argc, argv, run_test); +}