| Line 55... |
Line 55... |
/* Does all known instruction optimizations */
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/* Does all known instruction optimizations */
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void cuc_optimize (cuc_func *func)
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void cuc_optimize (cuc_func *func)
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{
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{
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int modified = 0;
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int modified = 0;
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log ("Optimizing.\n");
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log ("Optimizing.\n");
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insert_conditional_facts (func);
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if (cuc_debug >= 3) print_cuc_bb (func, "AFTER_COND_FACT");
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do {
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do {
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modified = 0;
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modified = 0;
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if (optimize_cmovs (func)) {
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if (optimize_cmovs (func)) {
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if (cuc_debug >= 6) print_cuc_bb (func, "AFTER_OPT_CMOVS");
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if (cuc_debug >= 6) print_cuc_bb (func, "AFTER_OPT_CMOVS");
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modified = 1;
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modified = 1;
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}
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}
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if (cuc_debug) cuc_check (func);
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if (optimize_tree (func)) {
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if (optimize_tree (func)) {
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if (cuc_debug >= 6) print_cuc_bb (func, "AFTER_OPT_TREE1");
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if (cuc_debug >= 6) print_cuc_bb (func, "AFTER_OPT_TREE1");
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modified = 1;
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modified = 1;
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}
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}
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if (remove_nops (func)) {
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if (remove_nops (func)) {
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if (cuc_debug >= 6) print_cuc_bb (func, "NO_NOPS");
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if (cuc_debug >= 6) print_cuc_bb (func, "NO_NOPS");
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modified = 1;
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modified = 1;
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}
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}
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if (cuc_debug) cuc_check (func);
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if (remove_dead (func)) {
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if (remove_dead (func)) {
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if (cuc_debug >= 5) print_cuc_bb (func, "AFTER_DEAD");
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if (cuc_debug >= 5) print_cuc_bb (func, "AFTER_DEAD");
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modified = 1;
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modified = 1;
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}
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}
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if (cuc_debug) cuc_check (func);
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if (cse (func)) {
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if (cse (func)) {
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log ("Common subexpression elimination.\n");
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log ("Common subexpression elimination.\n");
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if (cuc_debug >= 3) print_cuc_bb (func, "AFTER_CSE");
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if (cuc_debug >= 3) print_cuc_bb (func, "AFTER_CSE");
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modified = 1;
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modified = 1;
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}
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}
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if (cuc_debug) cuc_check (func);
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if (optimize_bb (func)) {
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if (optimize_bb (func)) {
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if (cuc_debug >= 5) print_cuc_bb (func, "AFTER_OPT_BB");
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if (cuc_debug >= 5) print_cuc_bb (func, "AFTER_OPT_BB");
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modified = 1;
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modified = 1;
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}
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}
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if (cuc_debug) cuc_check (func);
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if (remove_nops (func)) {
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if (remove_nops (func)) {
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if (cuc_debug >= 6) print_cuc_bb (func, "NO_NOPS");
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if (cuc_debug >= 6) print_cuc_bb (func, "NO_NOPS");
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modified = 1;
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modified = 1;
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}
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}
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if (remove_dead_bb (func)) {
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if (remove_dead_bb (func)) {
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| Line 187... |
Line 190... |
reg_dep (func);
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reg_dep (func);
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log ("Detecting dependencies\n");
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log ("Detecting dependencies\n");
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if (cuc_debug >= 2) print_cuc_bb (func, "AFTER_REG_DEP");
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if (cuc_debug >= 2) print_cuc_bb (func, "AFTER_REG_DEP");
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cuc_optimize (func);
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cuc_optimize (func);
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if (cuc_debug) cuc_check (func);
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insert_conditional_facts (func);
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if (cuc_debug >= 3) print_cuc_bb (func, "AFTER_COND_FACT");
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if (cuc_debug) cuc_check (func);
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cuc_optimize (func);
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#if 0
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#if 0
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csm (func);
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csm (func);
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#endif
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#endif
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assert (saved = dup_func (func));
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assert (saved = dup_func (func));
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