X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firflag.c;h=abb03a3957db336e9246e659b2be6ac32b706b64;hb=ecf4d3aa8c62642835511e1f7b8a329078161fe1;hp=3ab4c92e059b045fe2117d4872b10c68d2dd9b8f;hpb=fb4e09c319ad22eb4623c289236a1511572756e2;p=libfirm diff --git a/ir/ir/irflag.c b/ir/ir/irflag.c index 3ab4c92e0..abb03a395 100644 --- a/ir/ir/irflag.c +++ b/ir/ir/irflag.c @@ -1,64 +1,398 @@ -/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe -** All rights reserved. -** -** Authors: Christian Schaefer -** -** irflag --- optimization flags -*/ - -# include "irflag.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 = 0; -int optimized = 1; +/* + * 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 "config.h" +#endif + +#include "firm_common.h" +#include "irflag_t.h" + +/* 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_LOOP_UNROLLING) | + 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_CLASS_CASTS) | + DISABLE(OPT_SUPPRESS_DOWNCAST_OPT) | + ENABLE(OPT_NORMALIZE) | + ENABLE(OPT_TAIL_RECURSION) | + ENABLE(OPT_PRECISE_EXC_CONTEXT) | + DISABLE(OPT_FRAGILE_OPS) | + ENABLE(OPT_IF_CONVERSION) | + ENABLE(OPT_REAL_FUNC_CALL) | + DISABLE(OPT_REMOVE_CONFIRM) | + 0; + +optimization_state_t libFIRM_verb = + DISABLE(OPT_OPTIMIZED) | + DISABLE(OPT_CSE) | + DISABLE(OPT_GLOBAL_CSE) | + DISABLE(OPT_LOOP_UNROLLING) | + 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_CLASS_CASTS) | + DISABLE(OPT_NORMALIZE) | + DISABLE(OPT_TAIL_RECURSION) | + DISABLE(OPT_PRECISE_EXC_CONTEXT) | + DISABLE(OPT_FRAGILE_OPS) | + DISABLE(OPT_IF_CONVERSION) | + DISABLE(OPT_REAL_FUNC_CALL) | + DISABLE(OPT_REMOVE_CONFIRM) | + 0; + +/** The Firm verbosity level */ +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_cse (int value) +int (get_opt_cse)(void) { + return _get_opt_cse(); +} + +void set_opt_global_cse(int value) { - opt_cse = value; + if (value) + libFIRM_opt |= OPT_GLOBAL_CSE; + else + libFIRM_opt &= ~OPT_GLOBAL_CSE; } -int -get_opt_cse (void) +void set_opt_loop_unrolling (int value) { - return opt_cse; + if (value) + libFIRM_opt |= OPT_LOOP_UNROLLING; + else + libFIRM_opt &= ~OPT_LOOP_UNROLLING; } -void -set_opt_constant_folding (int value) +void set_opt_loop_unrolling_verbose (int value) { - opt_constant_folding=value; + if (value) + libFIRM_verb |= OPT_LOOP_UNROLLING; + else + libFIRM_verb &= ~OPT_LOOP_UNROLLING; } -int -get_opt_constant_folding (void) +void set_opt_strength_red (int value) { - return opt_constant_folding; + if (value) + libFIRM_opt |= OPT_STRENGTH_RED; + else + libFIRM_opt &= ~OPT_STRENGTH_RED; } -void set_opt_dead_node_elimination (int value) +void set_opt_strength_red_verbose (int value) { - opt_dead_node_elimination=value; + if (value) + libFIRM_verb |= OPT_STRENGTH_RED; + else + libFIRM_verb &= ~OPT_STRENGTH_RED; } -int get_opt_dead_node_elimination (void) +void +set_opt_constant_folding(int value) { - return opt_dead_node_elimination; + if (value) + libFIRM_opt |= OPT_CONSTANT_FOLDING; + else + libFIRM_opt &= ~OPT_CONSTANT_FOLDING; } void -set_optimize (int value) +set_opt_redundant_LoadStore(int value) { + if (value) + libFIRM_opt |= OPT_REDUNDANT_LOADSTORE; + else + libFIRM_opt &= ~OPT_REDUNDANT_LOADSTORE; +} + +void +set_opt_unreachable_code(int value) +{ + if (value) + libFIRM_opt |= OPT_UNREACHABLE_CODE; + else + libFIRM_opt &= ~OPT_UNREACHABLE_CODE; +} + +void set_opt_control_flow(int 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); +} + +/* Performs Straightening */ +void set_opt_control_flow_straightening(int value) +{ + if (value) + libFIRM_opt |= OPT_CONTROL_FLOW_STRAIGHTENING; + else + libFIRM_opt &= ~OPT_CONTROL_FLOW_STRAIGHTENING; +} + +/* Performs if simplifications in local optimizations. */ +void set_opt_control_flow_weak_simplification(int value) +{ + if (value) + libFIRM_opt |= OPT_CONTROL_FLOW_WEAK_SIMPLIFICATION; + else + libFIRM_opt &= ~OPT_CONTROL_FLOW_WEAK_SIMPLIFICATION; +} + +/* Performs strong if and loop simplification (in optimize_cf). */ +void set_opt_control_flow_strong_simplification(int value) +{ + 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; +} + +int (get_opt_dyn_meth_dispatch)(void) { + return _get_opt_dyn_meth_dispatch(); +} + +void set_opt_optimize_class_casts (int value) +{ + if (value) + libFIRM_opt |= OPT_CLASS_CASTS; + else + libFIRM_opt &= ~OPT_CLASS_CASTS; +} +int (get_opt_optimize_class_casts) (void) { + return _get_opt_optimize_class_casts(); +} +void set_opt_optimize_class_casts_verbose (int value) +{ + if (value) + libFIRM_verb |= OPT_CLASS_CASTS; + else + libFIRM_verb &= ~OPT_CLASS_CASTS; +} +int (get_opt_optimize_class_casts_verbose) (void) { + return _get_opt_optimize_class_casts_verbose(); +} +void set_opt_suppress_downcast_optimization(int value) +{ + if (value) + libFIRM_opt |= OPT_SUPPRESS_DOWNCAST_OPT; + else + libFIRM_opt &= ~OPT_SUPPRESS_DOWNCAST_OPT; +} +int (get_opt_suppress_downcast_optimization)(void) { + return _get_opt_suppress_downcast_optimization(); +} + + +/* 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 +} + +void set_opt_fragile_ops(int value) +{ + if (value) + libFIRM_opt |= OPT_FRAGILE_OPS; + else + libFIRM_opt &= ~OPT_FRAGILE_OPS; +} + +/* Enable/Disable if conversion. */ +void set_opt_if_conversion(int value) +{ + if (value) + libFIRM_opt |= OPT_IF_CONVERSION; + else + libFIRM_opt &= ~OPT_IF_CONVERSION; +} + +/* Enable/Disable real function call optimization. */ +void set_opt_real_function_call(int value) +{ + if (value) + libFIRM_opt |= OPT_REAL_FUNC_CALL; + else + libFIRM_opt &= ~OPT_REAL_FUNC_CALL; +} + +/* Enable/Disable Confirm node removal. */ +void set_opt_remove_Confirm(int value) +{ + if (value) + libFIRM_opt |= OPT_REMOVE_CONFIRM; + else + libFIRM_opt &= ~OPT_REMOVE_CONFIRM; +} + +/* Save the current optimization state. */ +void save_optimization_state(optimization_state_t *state) { - optimized = value; + *state = libFIRM_opt; } -int -get_optimize (void) +/* Restore the current optimization state. */ +void restore_optimization_state(const optimization_state_t *state) { - return optimized; + libFIRM_opt = *state; }