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py/emitnative: Factor common code for native jump helper.

pull/4021/head
Damien George 2018-08-04 21:45:24 +10:00
rodzic 163bacd1e8
commit 4b1e8bdebd
1 zmienionych plików z 13 dodań i 16 usunięć
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29
py/emitnative.c
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@ -1520,7 +1520,7 @@ STATIC void emit_native_jump(emit_t *emit, mp_uint_t label) {
emit_post(emit);
}
STATIC void emit_native_jump_helper(emit_t *emit, bool pop) {
STATIC void emit_native_jump_helper(emit_t *emit, bool cond, mp_uint_t label, bool pop) {
vtype_kind_t vtype = peek_vtype(emit, 0);
if (vtype == VTYPE_PYOBJ) {
emit_pre_pop_reg(emit, &vtype, REG_ARG_1);
@ -1545,29 +1545,26 @@ STATIC void emit_native_jump_helper(emit_t *emit, bool pop) {
}
// need to commit stack because we may jump elsewhere
need_stack_settled(emit);
// Emit the jump
if (cond) {
ASM_JUMP_IF_REG_NONZERO(emit->as, REG_RET, label);
} else {
ASM_JUMP_IF_REG_ZERO(emit->as, REG_RET, label);
}
if (!pop) {
adjust_stack(emit, -1);
}
emit_post(emit);
}
STATIC void emit_native_pop_jump_if(emit_t *emit, bool cond, mp_uint_t label) {
DEBUG_printf("pop_jump_if(cond=%u, label=" UINT_FMT ")\n", cond, label);
emit_native_jump_helper(emit, true);
if (cond) {
ASM_JUMP_IF_REG_NONZERO(emit->as, REG_RET, label);
} else {
ASM_JUMP_IF_REG_ZERO(emit->as, REG_RET, label);
}
emit_post(emit);
emit_native_jump_helper(emit, cond, label, true);
}
STATIC void emit_native_jump_if_or_pop(emit_t *emit, bool cond, mp_uint_t label) {
DEBUG_printf("jump_if_or_pop(cond=%u, label=" UINT_FMT ")\n", cond, label);
emit_native_jump_helper(emit, false);
if (cond) {
ASM_JUMP_IF_REG_NONZERO(emit->as, REG_RET, label);
} else {
ASM_JUMP_IF_REG_ZERO(emit->as, REG_RET, label);
}
adjust_stack(emit, -1);
emit_post(emit);
emit_native_jump_helper(emit, cond, label, false);
}
STATIC void emit_native_unwind_jump(emit_t *emit, mp_uint_t label, mp_uint_t except_depth) {