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author | Jing Yu <jingyu@google.com> | 2010-07-22 14:03:48 -0700 |
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committer | Jing Yu <jingyu@google.com> | 2010-07-22 14:03:48 -0700 |
commit | b094d6c4bf572654a031ecc4afe675154c886dc5 (patch) | |
tree | 89394c56b05e13a5413ee60237d65b0214fd98e2 /gcc-4.4.3/gcc/tree-inline.h | |
parent | dc34721ac3bf7e3c406fba8cfe9d139393345ec5 (diff) | |
download | toolchain_gcc-b094d6c4bf572654a031ecc4afe675154c886dc5.tar.gz toolchain_gcc-b094d6c4bf572654a031ecc4afe675154c886dc5.tar.bz2 toolchain_gcc-b094d6c4bf572654a031ecc4afe675154c886dc5.zip |
commit gcc-4.4.3 which is used to build gcc-4.4.3 Android toolchain in master.
The source is based on fsf gcc-4.4.3 and contains local patches which
are recorded in gcc-4.4.3/README.google.
Change-Id: Id8c6d6927df274ae9749196a1cc24dbd9abc9887
Diffstat (limited to 'gcc-4.4.3/gcc/tree-inline.h')
-rw-r--r-- | gcc-4.4.3/gcc/tree-inline.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/tree-inline.h b/gcc-4.4.3/gcc/tree-inline.h new file mode 100644 index 000000000..cce0e305b --- /dev/null +++ b/gcc-4.4.3/gcc/tree-inline.h @@ -0,0 +1,169 @@ +/* Tree inlining hooks and declarations. + Copyright 2001, 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc. + Contributed by Alexandre Oliva <aoliva@redhat.com> + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#ifndef GCC_TREE_INLINE_H +#define GCC_TREE_INLINE_H + +#include "varray.h" +#include "pointer-set.h" + + +/* Data required for function body duplication. */ + +typedef struct copy_body_data +{ + /* FUNCTION_DECL for function being inlined, or in general the + source function providing the original trees. */ + tree src_fn; + + /* FUNCTION_DECL for function being inlined into, or in general + the destination function receiving the new trees. */ + tree dst_fn; + + /* Callgraph node of the source function. */ + struct cgraph_node *src_node; + + /* Callgraph node of the destination function. */ + struct cgraph_node *dst_node; + + /* struct function for function being inlined. Usually this is the same + as DECL_STRUCT_FUNCTION (src_fn), but can be different if saved_cfg + and saved_eh are in use. */ + struct function *src_cfun; + + /* The VAR_DECL for the return value. */ + tree retvar; + + /* The map from local declarations in the inlined function to + equivalents in the function into which it is being inlined. */ + struct pointer_map_t *decl_map; + + /* Create a new decl to replace DECL in the destination function. */ + tree (*copy_decl) (tree, struct copy_body_data *); + + /* Current BLOCK. */ + tree block; + + /* GIMPLE_CALL if va arg parameter packs should be expanded or NULL + is not. */ + gimple gimple_call; + + /* Exception region the inlined call lie in. */ + int eh_region; + + /* Take region number in the function being copied, add this value and + get eh region number of the duplicate in the function we inline into. */ + int eh_region_offset; + + /* We use the same mechanism do all sorts of different things. Rather + than enumerating the different cases, we categorize the behavior + in the various situations. */ + + /* Indicate the desired behavior wrt call graph edges. We can either + duplicate the edge (inlining, cloning), move the edge (versioning, + parallelization), or move the edges of the clones (saving). */ + enum copy_body_cge_which { + CB_CGE_DUPLICATE, + CB_CGE_MOVE, + CB_CGE_MOVE_CLONES + } transform_call_graph_edges; + + /* True if a new CFG should be created. False for inlining, true for + everything else. */ + bool transform_new_cfg; + + /* True if RETURN_EXPRs should be transformed to just the contained + MODIFY_EXPR. The branch semantics of the return will be handled + by manipulating the CFG rather than a statement. */ + bool transform_return_to_modify; + + /* True if this statement will need to be regimplified. */ + bool regimplify; + + /* > 0 if we are remapping a type currently. */ + int remapping_type_depth; + + /* A function to be called when duplicating BLOCK nodes. */ + void (*transform_lang_insert_block) (tree); + + /* Statements that might be possibly folded. */ + struct pointer_set_t *statements_to_fold; + + /* Entry basic block to currently copied body. */ + struct basic_block_def *entry_bb; +} copy_body_data; + +/* Weights of constructions for estimate_num_insns. */ + +typedef struct eni_weights_d +{ + /* Cost per call. */ + unsigned call_cost; + + /* Cost per call to a target specific builtin */ + unsigned target_builtin_call_cost; + + /* Cost of "expensive" div and mod operations. */ + unsigned div_mod_cost; + + /* Cost for omp construct. */ + unsigned omp_cost; +} eni_weights; + +/* Weights that estimate_num_insns uses for heuristics in inlining. */ + +extern eni_weights eni_inlining_weights; + +/* Weights that estimate_num_insns uses to estimate the size of the + produced code. */ + +extern eni_weights eni_size_weights; + +/* Weights that estimate_num_insns uses to estimate the time necessary + to execute the produced code. */ + +extern eni_weights eni_time_weights; + +/* Function prototypes. */ + +extern tree copy_tree_body_r (tree *, int *, void *); +extern void insert_decl_map (copy_body_data *, tree, tree); + +unsigned int optimize_inline_calls (tree); +bool tree_inlinable_function_p (tree); +tree copy_tree_r (tree *, int *, void *); +tree copy_decl_no_change (tree decl, copy_body_data *id); +void save_body (tree, tree *, tree *); +int estimate_move_cost (tree type); +int estimate_num_insns (gimple, eni_weights *); +int estimate_num_insns_fn (tree, eni_weights *, int *); +int count_insns_seq (gimple_seq, eni_weights *); +bool tree_versionable_function_p (tree); +void tree_function_versioning (tree, tree, varray_type, bool, bitmap); +bool tree_can_inline_p (tree, tree); + +extern gimple_seq remap_gimple_seq (gimple_seq, copy_body_data *); +extern tree remap_decl (tree decl, copy_body_data *id); +extern tree remap_type (tree type, copy_body_data *id); +extern gimple_seq copy_gimple_seq_and_replace_locals (gimple_seq seq); + +extern HOST_WIDE_INT estimated_stack_frame_size (void); + +#endif /* GCC_TREE_INLINE_H */ |