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https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 04:42:32 +00:00
rearrange default jump for slightly better code generation
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parent
7888f1cb93
commit
645c400802
1 changed files with 9 additions and 4 deletions
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@ -232,8 +232,14 @@ build_switch (expr_t *sw, case_node_t *tree, int op, expr_t *sw_val,
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expr_t *high_label = default_label;
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expr_t *low_label = default_label;
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if (!tree)
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if (!tree) {
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branch = new_unary_expr ('g', default_label);
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branch->line = sw_val->line;
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branch->file = sw_val->file;
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append_expr (sw, branch);
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temp->e.temp.users--;
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return;
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}
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if (tree->right) {
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high_label = new_label_expr ();
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@ -271,8 +277,7 @@ build_switch (expr_t *sw, case_node_t *tree, int op, expr_t *sw_val,
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if (tree->right)
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append_expr (sw, high_label);
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}
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if (tree->right)
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build_switch (sw, tree->right, op, sw_val, temp, default_label);
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build_switch (sw, tree->right, op, sw_val, temp, default_label);
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} else {
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expr_t *utemp = new_temp_def_expr (&type_uinteger);
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int low = tree->low->e.integer_val;
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@ -375,6 +380,7 @@ switch_expr (switch_block_t *switch_block, expr_t *break_label,
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test->file = cmp->file = sw_val->file;
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append_expr (sw, test);
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}
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append_expr (sw, default_expr);
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} else {
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expr_t *temp;
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int op;
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@ -401,7 +407,6 @@ switch_expr (switch_block_t *switch_block, expr_t *break_label,
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}
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build_switch (sw, case_tree, op, sw_val, temp, default_label->label);
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}
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append_expr (sw, default_expr);
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append_expr (sw, statements);
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append_expr (sw, break_label);
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return sw;
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