X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firflag.c;h=f8b2f01d5c3854da12b441d2adb686c17552a31e;hb=169fd803ea2ed08171113c1fd7ab4e528e1ebc26;hp=c0bcad35eb719f9e6c504493870d1aadde7b6b4c;hpb=b9dc8d34ff7c1069b5ddfb308e9b29fccd012729;p=libfirm diff --git a/ir/ir/irflag.c b/ir/ir/irflag.c index c0bcad35e..f8b2f01d5 100644 --- a/ir/ir/irflag.c +++ b/ir/ir/irflag.c @@ -1,93 +1,170 @@ -/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe -* All rights reserved. -* -* Authors: Christian Schaefer -* -* irflag --- optimization flags -*/ - -/* $Id$ */ +/* + * 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 +# include "config.h" #endif -#include "irflag.h" #include "firm_common.h" - - -/* 0 - don't do this optimization - 1 - lets see, if there is a better graph */ -int optimized = 1; /* Turn off all optimizations. */ - -int opt_cse = 1; /* Hash the nodes. */ -int opt_global_cse = 0; /* Don't use block predecessor for comparison. - Default must be zero as code placement must - be run right after a local optimize walk with - opt_global_cse on. */ -int opt_constant_folding = 1; /* Evaluate operations. */ -int opt_unreachable_code = 1; /* Bad node propagation. */ -int opt_control_flow_straightening = 1; /* */ -int opt_control_flow_weak_simplification = 1; /* */ -int opt_control_flow_strong_simplification = 1; /* */ -int opt_critical_edges = 1; -int opt_dead_node_elimination = 1; /* Reclaim memory. */ -int opt_reassociation = 1; /* Reassociate nodes. */ -int opt_inline = 1; /* Do inlining transformation. */ -int opt_dyn_meth_dispatch = 1; /* Remove dynamic method dispatch. */ - -int opt_normalize = 1; /* Transformations that normalize the firm representation - as removing Ids and Tuples, useless Phis, SymConst(id) -> - Const(entity) ... */ +#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) | + ENABLE(OPT_SCALAR_REPLACEMENT) | + 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) | + DISABLE(OPT_SCALAR_REPLACEMENT) | + 0; + +/** The Firm verbosity level */ +int firm_verbosity_level; /* set the flags with set_flagname, get the flag with get_flagname */ -INLINE void -set_opt_cse (int value) +void set_opt_cse (int value) { - opt_cse = value; + if (value) + libFIRM_opt |= OPT_CSE; + else + libFIRM_opt &= ~OPT_CSE; } -INLINE int -get_opt_cse (void) +int (get_opt_cse)(void) { + return _get_opt_cse(); +} + +void set_opt_global_cse(int value) { - return opt_cse; + if (value) + libFIRM_opt |= OPT_GLOBAL_CSE; + else + libFIRM_opt &= ~OPT_GLOBAL_CSE; } -void set_opt_global_cse (int value) +void set_opt_loop_unrolling (int value) { - opt_global_cse = value; + if (value) + libFIRM_opt |= OPT_LOOP_UNROLLING; + else + libFIRM_opt &= ~OPT_LOOP_UNROLLING; } -int get_opt_global_cse (void) +void set_opt_loop_unrolling_verbose (int value) { - return opt_global_cse; + if (value) + libFIRM_verb |= OPT_LOOP_UNROLLING; + else + libFIRM_verb &= ~OPT_LOOP_UNROLLING; } -INLINE void -set_opt_constant_folding (int value) +void set_opt_strength_red (int value) { - opt_constant_folding=value; + if (value) + libFIRM_opt |= OPT_STRENGTH_RED; + else + libFIRM_opt &= ~OPT_STRENGTH_RED; } -INLINE int -get_opt_constant_folding (void) +void set_opt_strength_red_verbose (int value) { - return opt_constant_folding; + if (value) + libFIRM_verb |= OPT_STRENGTH_RED; + else + libFIRM_verb &= ~OPT_STRENGTH_RED; } -INLINE void -set_opt_unreachable_code(int value) +void +set_opt_constant_folding(int value) { - opt_unreachable_code = 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_unreachable_code(void) +void +set_opt_unreachable_code(int value) { - return opt_unreachable_code; + if (value) + libFIRM_opt |= OPT_UNREACHABLE_CODE; + else + libFIRM_opt &= ~OPT_UNREACHABLE_CODE; } -INLINE void set_opt_control_flow(int value) { +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); @@ -95,99 +172,247 @@ INLINE void set_opt_control_flow(int value) { } /* Performs Straightening */ -void set_opt_control_flow_straightening(int value) { - opt_control_flow_straightening = value; -} -int get_opt_control_flow_straightening(void) { - return opt_control_flow_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) { - opt_control_flow_weak_simplification = value; -} -int get_opt_control_flow_weak_simplification(void) { - return opt_control_flow_weak_simplification; +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) { - opt_control_flow_strong_simplification = value; +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_opt_control_flow_strong_simplification(void) { - return opt_control_flow_strong_simplification; + +int get_optimize(void) +{ + return get_opt_optimize(); } -void set_opt_critical_edges(int value) { - opt_critical_edges = value; + +void set_firm_verbosity (int value) { + firm_verbosity_level = value; } -int get_opt_critical_edges(void) { - return opt_critical_edges; + +int (get_firm_verbosity) (void) { + return _get_firm_verbosity(); } -INLINE void -set_opt_reassociation(int value) + +/* Enable/Disables inlining. */ +void set_opt_inline(int value) { - opt_reassociation = value; + if (value) + libFIRM_opt |= OPT_INLINE; + else + libFIRM_opt &= ~OPT_INLINE; } -INLINE int -get_opt_reassociation(void) +/* Enable/Disable optimization of dynamic method dispatch */ +void set_opt_dyn_meth_dispatch (int value) { - return opt_reassociation; + 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(); } -INLINE void -set_opt_dead_node_elimination (int value) +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) { - opt_dead_node_elimination = 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(); } -INLINE int -get_opt_dead_node_elimination (void) + +/* Enable/Disable normalizations of the firm representation. */ +void set_opt_normalize(int value) { - return opt_dead_node_elimination; + if (value) + libFIRM_opt |= OPT_NORMALIZE; + else + libFIRM_opt &= ~OPT_NORMALIZE; } -INLINE void -set_optimize (int value) +/* Enable/Disable optimization of tail-recursion calls. */ +void set_opt_tail_recursion(int value) { - optimized = value; + if (value) + libFIRM_opt |= OPT_TAIL_RECURSION; + else + libFIRM_opt &= ~OPT_TAIL_RECURSION; } -INLINE int -get_optimize (void) +/* Enable/Disable optimization of tail-recursion calls. */ +void set_opt_tail_recursion_verbose(int value) { - return optimized; + 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_opt_inline (int value) { - opt_inline = value; +void set_opt_fragile_ops(int value) +{ + if (value) + libFIRM_opt |= OPT_FRAGILE_OPS; + else + libFIRM_opt &= ~OPT_FRAGILE_OPS; } -INLINE int get_opt_inline (void) { - return opt_inline; +/* 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 optimization of dynamic method dispatch - * - * This flag enables/disables the optimization of dynamic method dispatch. - * If the flag is turned on Sel nodes can be replaced by Const nodes representing - * the address of a function. - */ -void set_opt_dyn_meth_dispatch (int value) { - opt_dyn_meth_dispatch = value; +/* 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; } -int get_opt_dyn_meth_dispatch (void) { - return opt_dyn_meth_dispatch; + +/* 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; } +/* Enable/Disable scalar replacement optimization. */ +void set_opt_scalar_replacement(int value) +{ + if (value) + libFIRM_opt |= OPT_SCALAR_REPLACEMENT; + else + libFIRM_opt &= ~OPT_SCALAR_REPLACEMENT; +} +/* Set verbosity for scalar relacement */ +void set_opt_scalar_replacement_verbose(int value) +{ + if (value) + libFIRM_verb |= OPT_SCALAR_REPLACEMENT; + else + libFIRM_verb &= ~OPT_SCALAR_REPLACEMENT; +} -INLINE void set_opt_normalize (int value) { - opt_normalize = value; +/* Save the current optimization state. */ +void save_optimization_state(optimization_state_t *state) +{ + *state = libFIRM_opt; } -INLINE int get_opt_normalize (void) { - return opt_normalize; +/* Restore the current optimization state. */ +void restore_optimization_state(const optimization_state_t *state) +{ + libFIRM_opt = *state; }