X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firflag.c;h=ed5967f5b984cb52162050d1f863d9be82922dad;hb=cb91bddc9cacdab7c28e4336847bd3dc248aa549;hp=784d74b8081a01eac965ab65f81b20591f4d6976;hpb=a63062db7f43c0d0bec2779e62fa9493cd74d3af;p=libfirm diff --git a/ir/ir/irflag.c b/ir/ir/irflag.c index 784d74b80..ed5967f5b 100644 --- a/ir/ir/irflag.c +++ b/ir/ir/irflag.c @@ -1,69 +1,293 @@ -/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe -** All rights reserved. -** -** Authors: Christian Schaefer -** -** irflag --- optimization flags -*/ +/* + * Project: libFIRM + * File name: ir/ir/irflag.c + * Purpose: Flags to control optimizations. + * Author: Christian Schaefer, Goetz Lindenmaier + * Modified by: + * Created: + * CVS-ID: $Id$ + * Copyright: (c) 1999-2003 Universität Karlsruhe + * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. + */ #ifdef HAVE_CONFIG_H # include #endif +#include "firm_common.h" +#include "irflag_t.h" -/* 0 - don't do this optimization - 1 - lets see, if there is a better graph */ -int opt_cse = 1; -int opt_constant_folding = 1; -int opt_dead_node_elimination = 1; -int optimized = 1; +/* DISABLE - don't do this optimization + ENABLE - lets see, if there is a better graph */ +#define ENABLE(a) a +#define DISABLE(a) 0 + +optimization_state_t libFIRM_opt = + ENABLE(OPT_OPTIMIZED) | + ENABLE(OPT_CSE) | + DISABLE(OPT_GLOBAL_CSE) | + ENABLE(OPT_STRENGTH_RED) | + ENABLE(OPT_CONSTANT_FOLDING) | + ENABLE(OPT_REDUNDANT_LOADSTORE) | + ENABLE(OPT_UNREACHABLE_CODE) | + ENABLE(OPT_CONTROL_FLOW_STRAIGHTENING) | + ENABLE(OPT_CONTROL_FLOW_WEAK_SIMPLIFICATION) | + ENABLE(OPT_CONTROL_FLOW_STRONG_SIMPLIFICATION) | + ENABLE(OPT_CRITICAL_EDGES) | + ENABLE(OPT_DEAD_NODE_ELIMINATION) | + ENABLE(OPT_DEAD_METHOD_ELIMINATION) | + ENABLE(OPT_REASSOCIATION) | + ENABLE(OPT_INLINE) | + ENABLE(OPT_DYN_METH_DISPATCH) | + ENABLE(OPT_NORMALIZE) | + ENABLE(OPT_TAIL_RECURSION) | + ENABLE(OPT_PRECISE_EXC_CONTEXT) | + 0; + +optimization_state_t libFIRM_verb = + DISABLE(OPT_OPTIMIZED) | + DISABLE(OPT_CSE) | + DISABLE(OPT_GLOBAL_CSE) | + DISABLE(OPT_STRENGTH_RED) | + DISABLE(OPT_CONSTANT_FOLDING) | + DISABLE(OPT_REDUNDANT_LOADSTORE) | + DISABLE(OPT_UNREACHABLE_CODE) | + DISABLE(OPT_CONTROL_FLOW_STRAIGHTENING) | + DISABLE(OPT_CONTROL_FLOW_WEAK_SIMPLIFICATION) | + DISABLE(OPT_CONTROL_FLOW_STRONG_SIMPLIFICATION) | + DISABLE(OPT_CRITICAL_EDGES) | + DISABLE(OPT_DEAD_NODE_ELIMINATION) | + DISABLE(OPT_DEAD_METHOD_ELIMINATION) | + DISABLE(OPT_REASSOCIATION) | + DISABLE(OPT_INLINE) | + DISABLE(OPT_DYN_METH_DISPATCH) | + DISABLE(OPT_NORMALIZE) | + DISABLE(OPT_TAIL_RECURSION) | + DISABLE(OPT_PRECISE_EXC_CONTEXT) | + 0; + +int firm_verbosity_level; /* set the flags with set_flagname, get the flag with get_flagname */ +void set_opt_cse (int value) +{ + if (value) + libFIRM_opt |= OPT_CSE; + else + libFIRM_opt &= ~OPT_CSE; +} + +void set_opt_global_cse(int value) +{ + if (value) + libFIRM_opt |= OPT_GLOBAL_CSE; + else + libFIRM_opt &= ~OPT_GLOBAL_CSE; +} -inline void -set_opt_cse (int value) +void set_opt_strength_red (int value) { - opt_cse = value; + if (value) + libFIRM_opt |= OPT_STRENGTH_RED; + else + libFIRM_opt &= ~OPT_STRENGTH_RED; +} + +void set_opt_strength_red_verbose (int value) +{ + if (value) + libFIRM_verb |= OPT_STRENGTH_RED; + else + libFIRM_verb &= ~OPT_STRENGTH_RED; +} + +void +set_opt_constant_folding(int value) +{ + if (value) + libFIRM_opt |= OPT_CONSTANT_FOLDING; + else + libFIRM_opt &= ~OPT_CONSTANT_FOLDING; +} + +void +set_opt_redundant_LoadStore(int value) { + if (value) + libFIRM_opt |= OPT_REDUNDANT_LOADSTORE; + else + libFIRM_opt &= ~OPT_REDUNDANT_LOADSTORE; } -inline int -get_opt_cse (void) +void +set_opt_unreachable_code(int value) { - return opt_cse; + if (value) + libFIRM_opt |= OPT_UNREACHABLE_CODE; + else + libFIRM_opt &= ~OPT_UNREACHABLE_CODE; } -inline void -set_opt_constant_folding (int value) +void set_opt_control_flow(int value) { - opt_constant_folding=value; + set_opt_control_flow_straightening(value); + set_opt_control_flow_weak_simplification(value); + set_opt_control_flow_strong_simplification(value); + set_opt_critical_edges(value); } -inline int -get_opt_constant_folding (void) +/* Performs Straightening */ +void set_opt_control_flow_straightening(int value) { - return opt_constant_folding; + if (value) + libFIRM_opt |= OPT_CONTROL_FLOW_STRAIGHTENING; + else + libFIRM_opt &= ~OPT_CONTROL_FLOW_STRAIGHTENING; } -inline void -set_opt_dead_node_elimination (int value) +/* Performs if simplifications in local optimizations. */ +void set_opt_control_flow_weak_simplification(int value) { - opt_dead_node_elimination = value; + if (value) + libFIRM_opt |= OPT_CONTROL_FLOW_WEAK_SIMPLIFICATION; + else + libFIRM_opt &= ~OPT_CONTROL_FLOW_WEAK_SIMPLIFICATION; } -inline int -get_opt_dead_node_elimination (void) +/* Performs strong if and loop simplification (in optimize_cf). */ +void set_opt_control_flow_strong_simplification(int value) { - return opt_dead_node_elimination; + if (value) + libFIRM_opt |= OPT_CONTROL_FLOW_STRONG_SIMPLIFICATION; + else + libFIRM_opt &= ~OPT_CONTROL_FLOW_STRONG_SIMPLIFICATION; +} + +void set_opt_critical_edges(int value) +{ + if (value) + libFIRM_opt |= OPT_CRITICAL_EDGES; + else + libFIRM_opt &= ~OPT_CRITICAL_EDGES; +} + +void set_opt_reassociation(int value) +{ + if (value) + libFIRM_opt |= OPT_REASSOCIATION; + else + libFIRM_opt &= ~OPT_REASSOCIATION; +} + +void set_opt_dead_node_elimination(int value) +{ + if (value) + libFIRM_opt |= OPT_DEAD_NODE_ELIMINATION; + else + libFIRM_opt &= ~OPT_DEAD_NODE_ELIMINATION; +} + +void set_opt_dead_method_elimination (int value) { + if (value) + libFIRM_opt |= OPT_DEAD_METHOD_ELIMINATION; + else + libFIRM_opt &= ~OPT_DEAD_METHOD_ELIMINATION; +} + +void set_opt_dead_method_elimination_verbose (int value) { + if (value) + libFIRM_verb |= OPT_DEAD_METHOD_ELIMINATION; + else + libFIRM_verb &= ~OPT_DEAD_METHOD_ELIMINATION; +} + +void set_optimize(int value) +{ + if (value) + libFIRM_opt |= OPT_OPTIMIZED; + else + libFIRM_opt &= ~OPT_OPTIMIZED; +} + +int get_optimize(void) +{ + return get_opt_optimize(); +} + + +void set_firm_verbosity (int value) { + firm_verbosity_level = value; +} + +int (get_firm_verbosity) (void) { + return __get_firm_verbosity(); +} + + + +/* Enable/Disables inlining. */ +void set_opt_inline(int value) +{ + if (value) + libFIRM_opt |= OPT_INLINE; + else + libFIRM_opt &= ~OPT_INLINE; +} + +/* Enable/Disable optimization of dynamic method dispatch */ +void set_opt_dyn_meth_dispatch (int value) +{ + if (value) + libFIRM_opt |= OPT_DYN_METH_DISPATCH; + else + libFIRM_opt &= ~OPT_DYN_METH_DISPATCH; +} + +/* Enable/Disable normalizations of the firm representation. */ +void set_opt_normalize(int value) +{ + if (value) + libFIRM_opt |= OPT_NORMALIZE; + else + libFIRM_opt &= ~OPT_NORMALIZE; +} + +/* Enable/Disable optimization of tail-recursion calls. */ +void set_opt_tail_recursion(int value) +{ + if (value) + libFIRM_opt |= OPT_TAIL_RECURSION; + else + libFIRM_opt &= ~OPT_TAIL_RECURSION; +} + +/* Enable/Disable optimization of tail-recursion calls. */ +void set_opt_tail_recursion_verbose(int value) +{ + if (value) + libFIRM_verb |= OPT_TAIL_RECURSION; + else + libFIRM_verb &= ~OPT_TAIL_RECURSION; +} + +/* Enable/Disable precise exception context. */ +void set_opt_precise_exc_context(int value) +{ +#if PRECISE_EXC_CONTEXT + if (value) + libFIRM_opt |= OPT_PRECISE_EXC_CONTEXT; + else + libFIRM_opt &= ~OPT_PRECISE_EXC_CONTEXT; +#endif } -inline void -set_optimize (int value) +/* Save the current optimization state. */ +void save_optimization_state(optimization_state_t *state) { - optimized = value; + *state = libFIRM_opt; } -inline int -get_optimize (void) +/* Restore the current optimization state. */ +void restore_optimization_state(const optimization_state_t *state) { - return optimized; + libFIRM_opt = *state; }