tree-flow.h (struct omp_region): Move to omp-low.c.
* tree-flow.h (struct omp_region): Move to omp-low.c. Remove omp_ prototypes and variables. * gimple.h (omp_reduction_init): Move prototype to omp-low.h. (copy_var_decl): Relocate prototype from tree-flow.h. * gimple.c (copy_var_decl): Relocate from omp-low.c. * tree.h: Move prototype to omp-low.h. * omp-low.h: New File. Relocate prototypes here. * omp-low.c (struct omp_region): Make local here. (root_omp_region): Make static. (copy_var_decl) Move to gimple.c. (new_omp_region): Make static. (make_gimple_omp_edges): New. Refactored from tree-cfg.c make_edges. * tree-cfg.c: Include omp-low.h. (make_edges): Factor out OMP specific bits to make_gimple_omp_edges. * gimplify.c: Include omp-low.h. * tree-parloops.c: Likewise. c * c-parser.c: Include omp-low.h. * c-typeck.c: Likewise. cp * parser.c: Include omp-low.h. * semantics.c: Likewise. fortran * trans-openmp.c: Include omp-low.h. From-SVN: r203786
This commit is contained in:
Andrew MacLeod
Andrew Macleod
parent
6f1abb5507
commit
0645c1a22d
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@ -1,3 +1,22 @@
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2013-10-17 Andrew MacLeod <amacleod@redhat.com>
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* tree-flow.h (struct omp_region): Move to omp-low.c.
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Remove omp_ prototypes and variables.
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* gimple.h (omp_reduction_init): Move prototype to omp-low.h.
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(copy_var_decl): Relocate prototype from tree-flow.h.
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* gimple.c (copy_var_decl): Relocate from omp-low.c.
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* tree.h: Move prototype to omp-low.h.
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* omp-low.h: New File. Relocate prototypes here.
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* omp-low.c (struct omp_region): Make local here.
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(root_omp_region): Make static.
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(copy_var_decl) Move to gimple.c.
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(new_omp_region): Make static.
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(make_gimple_omp_edges): New. Refactored from tree-cfg.c make_edges.
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* tree-cfg.c: Include omp-low.h.
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(make_edges): Factor out OMP specific bits to make_gimple_omp_edges.
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* gimplify.c: Include omp-low.h.
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* tree-parloops.c: Likewise.
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2013-10-17 Uros Bizjak <ubizjak@gmail.com>
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* config/i386/i386.c (ix86_fixup_binary_operands): When both source
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@ -1,3 +1,8 @@
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2013-10-17 Andrew MacLeod <amacleod@redhat.com>
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* c-parser.c: Include omp-low.h.
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* c-typeck.c: Likewise.
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2013-10-17 Marek Polacek <polacek@redhat.com>
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PR c/58267
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@ -55,6 +55,7 @@ along with GCC; see the file COPYING3. If not see
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#include "target.h"
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#include "cgraph.h"
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#include "plugin.h"
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#include "omp-low.h"
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/* Initialization routine for this file. */
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@ -38,6 +38,7 @@ along with GCC; see the file COPYING3. If not see
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#include "bitmap.h"
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#include "gimple.h"
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#include "tree-inline.h"
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#include "omp-low.h"
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#include "c-family/c-objc.h"
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#include "c-family/c-common.h"
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#include "c-family/c-ubsan.h"
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@ -1,3 +1,8 @@
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2013-10-17 Andrew MacLeod <amacleod@redhat.com>
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* parser.c: Include omp-low.h.
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* semantics.c: Likewise.
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2013-10-17 Paolo Carlini <paolo.carlini@oracle.com>
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PR c++/58596
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@ -39,6 +39,7 @@ along with GCC; see the file COPYING3. If not see
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#include "tree-pretty-print.h"
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#include "parser.h"
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#include "type-utils.h"
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#include "omp-low.h"
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/* The lexer. */
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@ -44,6 +44,7 @@ along with GCC; see the file COPYING3. If not see
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#include "gimple.h"
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#include "bitmap.h"
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#include "hash-table.h"
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#include "omp-low.h"
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static bool verify_constant (tree, bool, bool *, bool *);
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#define VERIFY_CONSTANT(X) \
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@ -1,3 +1,7 @@
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2013-10-17 Andrew MacLeod <amacleod@redhat.com>
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* trans-openmp.c: Include omp-low.h.
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2013-10-16 Tobias Burnus <burnus@net-b.de>
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PR fortran/58652
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@ -32,6 +32,7 @@ along with GCC; see the file COPYING3. If not see
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#include "trans-array.h"
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#include "trans-const.h"
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#include "arith.h"
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#include "omp-low.h"
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int ompws_flags;
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21
gcc/gimple.c
21
gcc/gimple.c
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@ -4063,3 +4063,24 @@ nonfreeing_call_p (gimple call)
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return false;
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}
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/* Create a new VAR_DECL and copy information from VAR to it. */
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tree
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copy_var_decl (tree var, tree name, tree type)
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{
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tree copy = build_decl (DECL_SOURCE_LOCATION (var), VAR_DECL, name, type);
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TREE_ADDRESSABLE (copy) = TREE_ADDRESSABLE (var);
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TREE_THIS_VOLATILE (copy) = TREE_THIS_VOLATILE (var);
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DECL_GIMPLE_REG_P (copy) = DECL_GIMPLE_REG_P (var);
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DECL_ARTIFICIAL (copy) = DECL_ARTIFICIAL (var);
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DECL_IGNORED_P (copy) = DECL_IGNORED_P (var);
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DECL_CONTEXT (copy) = DECL_CONTEXT (var);
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TREE_NO_WARNING (copy) = TREE_NO_WARNING (var);
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TREE_USED (copy) = 1;
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DECL_SEEN_IN_BIND_EXPR_P (copy) = 1;
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DECL_ATTRIBUTES (copy) = DECL_ATTRIBUTES (var);
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return copy;
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}
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@ -1086,9 +1086,7 @@ extern tree canonicalize_cond_expr_cond (tree);
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extern void dump_decl_set (FILE *, bitmap);
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extern bool gimple_can_coalesce_p (tree, tree);
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extern bool nonfreeing_call_p (gimple);
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/* In omp-low.c. */
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extern tree omp_reduction_init (tree, tree);
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extern tree copy_var_decl (tree, tree, tree);
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/* In trans-mem.c. */
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extern void diagnose_tm_safe_errors (tree);
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@ -42,6 +42,7 @@ along with GCC; see the file COPYING3. If not see
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#include "pointer-set.h"
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#include "splay-tree.h"
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#include "vec.h"
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#include "omp-low.h"
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#include "langhooks-def.h" /* FIXME: for lhd_set_decl_assembler_name */
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#include "tree-pass.h" /* FIXME: only for PROP_gimple_any */
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180
gcc/omp-low.c
180
gcc/omp-low.c
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@ -43,6 +43,7 @@ along with GCC; see the file COPYING3. If not see
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#include "optabs.h"
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#include "cfgloop.h"
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#include "target.h"
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#include "omp-low.h"
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/* Lowering of OpenMP parallel and workshare constructs proceeds in two
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@ -56,6 +57,45 @@ along with GCC; see the file COPYING3. If not see
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scanned for parallel regions which are then moved to a new
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function, to be invoked by the thread library. */
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/* Parallel region information. Every parallel and workshare
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directive is enclosed between two markers, the OMP_* directive
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and a corresponding OMP_RETURN statement. */
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struct omp_region
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{
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/* The enclosing region. */
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struct omp_region *outer;
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/* First child region. */
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struct omp_region *inner;
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/* Next peer region. */
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struct omp_region *next;
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/* Block containing the omp directive as its last stmt. */
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basic_block entry;
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/* Block containing the OMP_RETURN as its last stmt. */
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basic_block exit;
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/* Block containing the OMP_CONTINUE as its last stmt. */
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basic_block cont;
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/* If this is a combined parallel+workshare region, this is a list
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of additional arguments needed by the combined parallel+workshare
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library call. */
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vec<tree, va_gc> *ws_args;
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/* The code for the omp directive of this region. */
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enum gimple_code type;
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/* Schedule kind, only used for OMP_FOR type regions. */
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enum omp_clause_schedule_kind sched_kind;
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/* True if this is a combined parallel+workshare region. */
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bool is_combined_parallel;
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};
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/* Context structure. Used to store information about each parallel
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directive in the code. */
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@ -135,7 +175,7 @@ struct omp_for_data
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static splay_tree all_contexts;
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static int taskreg_nesting_level;
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static int target_nesting_level;
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struct omp_region *root_omp_region;
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static struct omp_region *root_omp_region;
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static bitmap task_shared_vars;
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static void scan_omp (gimple_seq *, omp_context *);
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@ -872,27 +912,6 @@ use_pointer_for_field (tree decl, omp_context *shared_ctx)
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return false;
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}
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/* Create a new VAR_DECL and copy information from VAR to it. */
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tree
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copy_var_decl (tree var, tree name, tree type)
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{
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tree copy = build_decl (DECL_SOURCE_LOCATION (var), VAR_DECL, name, type);
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TREE_ADDRESSABLE (copy) = TREE_ADDRESSABLE (var);
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TREE_THIS_VOLATILE (copy) = TREE_THIS_VOLATILE (var);
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DECL_GIMPLE_REG_P (copy) = DECL_GIMPLE_REG_P (var);
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DECL_ARTIFICIAL (copy) = DECL_ARTIFICIAL (var);
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DECL_IGNORED_P (copy) = DECL_IGNORED_P (var);
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DECL_CONTEXT (copy) = DECL_CONTEXT (var);
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TREE_NO_WARNING (copy) = TREE_NO_WARNING (var);
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TREE_USED (copy) = 1;
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DECL_SEEN_IN_BIND_EXPR_P (copy) = 1;
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DECL_ATTRIBUTES (copy) = DECL_ATTRIBUTES (var);
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return copy;
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}
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/* Construct a new automatic decl similar to VAR. */
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static tree
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@ -1219,7 +1238,7 @@ debug_all_omp_regions (void)
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/* Create a new parallel region starting at STMT inside region PARENT. */
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struct omp_region *
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static struct omp_region *
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new_omp_region (basic_block bb, enum gimple_code type,
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struct omp_region *parent)
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{
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@ -10312,6 +10331,121 @@ diagnose_sb_2 (gimple_stmt_iterator *gsi_p, bool *handled_ops_p,
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return NULL_TREE;
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}
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/* Called from tree-cfg.c::make_edges to create cfg edges for all GIMPLE_OMP
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codes. */
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bool
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make_gimple_omp_edges (basic_block bb, struct omp_region **region)
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{
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gimple last = last_stmt (bb);
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enum gimple_code code = gimple_code (last);
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struct omp_region *cur_region = *region;
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bool fallthru = false;
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switch (code)
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{
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case GIMPLE_OMP_PARALLEL:
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case GIMPLE_OMP_TASK:
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case GIMPLE_OMP_FOR:
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case GIMPLE_OMP_SINGLE:
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case GIMPLE_OMP_TEAMS:
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case GIMPLE_OMP_MASTER:
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case GIMPLE_OMP_TASKGROUP:
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case GIMPLE_OMP_ORDERED:
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case GIMPLE_OMP_CRITICAL:
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case GIMPLE_OMP_SECTION:
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cur_region = new_omp_region (bb, code, cur_region);
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fallthru = true;
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break;
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case GIMPLE_OMP_TARGET:
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cur_region = new_omp_region (bb, code, cur_region);
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fallthru = true;
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if (gimple_omp_target_kind (last) == GF_OMP_TARGET_KIND_UPDATE)
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cur_region = cur_region->outer;
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break;
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case GIMPLE_OMP_SECTIONS:
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cur_region = new_omp_region (bb, code, cur_region);
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fallthru = true;
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break;
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case GIMPLE_OMP_SECTIONS_SWITCH:
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fallthru = false;
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break;
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case GIMPLE_OMP_ATOMIC_LOAD:
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case GIMPLE_OMP_ATOMIC_STORE:
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fallthru = true;
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break;
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case GIMPLE_OMP_RETURN:
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/* In the case of a GIMPLE_OMP_SECTION, the edge will go
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somewhere other than the next block. This will be
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created later. */
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cur_region->exit = bb;
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fallthru = cur_region->type != GIMPLE_OMP_SECTION;
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cur_region = cur_region->outer;
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break;
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case GIMPLE_OMP_CONTINUE:
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cur_region->cont = bb;
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switch (cur_region->type)
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{
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case GIMPLE_OMP_FOR:
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/* Mark all GIMPLE_OMP_FOR and GIMPLE_OMP_CONTINUE
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succs edges as abnormal to prevent splitting
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them. */
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single_succ_edge (cur_region->entry)->flags |= EDGE_ABNORMAL;
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/* Make the loopback edge. */
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make_edge (bb, single_succ (cur_region->entry),
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EDGE_ABNORMAL);
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/* Create an edge from GIMPLE_OMP_FOR to exit, which
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corresponds to the case that the body of the loop
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is not executed at all. */
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make_edge (cur_region->entry, bb->next_bb, EDGE_ABNORMAL);
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make_edge (bb, bb->next_bb, EDGE_FALLTHRU | EDGE_ABNORMAL);
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fallthru = false;
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break;
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case GIMPLE_OMP_SECTIONS:
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/* Wire up the edges into and out of the nested sections. */
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{
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basic_block switch_bb = single_succ (cur_region->entry);
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struct omp_region *i;
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for (i = cur_region->inner; i ; i = i->next)
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{
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gcc_assert (i->type == GIMPLE_OMP_SECTION);
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make_edge (switch_bb, i->entry, 0);
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make_edge (i->exit, bb, EDGE_FALLTHRU);
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}
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/* Make the loopback edge to the block with
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GIMPLE_OMP_SECTIONS_SWITCH. */
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make_edge (bb, switch_bb, 0);
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/* Make the edge from the switch to exit. */
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make_edge (switch_bb, bb->next_bb, 0);
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fallthru = false;
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}
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break;
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default:
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gcc_unreachable ();
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}
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break;
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default:
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gcc_unreachable ();
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}
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|
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if (*region != cur_region)
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*region = cur_region;
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|
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return fallthru;
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}
|
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|
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static unsigned int
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diagnose_omp_structured_block_errors (void)
|
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{
|
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|
|
|
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|
|
@ -0,0 +1,31 @@
|
|||
/* Header file for openMP lowering directives.
|
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Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
|
||||
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_OMP_LOW_H
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#define GCC_OMP_LOW_H
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|
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struct omp_region;
|
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|
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extern tree find_omp_clause (tree, enum omp_clause_code);
|
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extern void omp_expand_local (basic_block);
|
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extern void free_omp_regions (void);
|
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extern tree omp_reduction_init (tree, tree);
|
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extern bool make_gimple_omp_edges (basic_block, struct omp_region **);
|
||||
|
||||
#endif /* GCC_OMP_LOW_H */
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|
|
@ -42,6 +42,7 @@ along with GCC; see the file COPYING3. If not see
|
|||
#include "tree-inline.h"
|
||||
#include "target.h"
|
||||
#include "tree-ssa-live.h"
|
||||
#include "omp-low.h"
|
||||
|
||||
/* This file contains functions for building the Control Flow Graph (CFG)
|
||||
for a function tree. */
|
||||
|
|
@ -607,97 +608,8 @@ make_edges (void)
|
|||
fallthru = true;
|
||||
break;
|
||||
|
||||
case GIMPLE_OMP_PARALLEL:
|
||||
case GIMPLE_OMP_TASK:
|
||||
case GIMPLE_OMP_FOR:
|
||||
case GIMPLE_OMP_SINGLE:
|
||||
case GIMPLE_OMP_TEAMS:
|
||||
case GIMPLE_OMP_MASTER:
|
||||
case GIMPLE_OMP_TASKGROUP:
|
||||
case GIMPLE_OMP_ORDERED:
|
||||
case GIMPLE_OMP_CRITICAL:
|
||||
case GIMPLE_OMP_SECTION:
|
||||
cur_region = new_omp_region (bb, code, cur_region);
|
||||
fallthru = true;
|
||||
break;
|
||||
|
||||
case GIMPLE_OMP_TARGET:
|
||||
cur_region = new_omp_region (bb, code, cur_region);
|
||||
fallthru = true;
|
||||
if (gimple_omp_target_kind (last) == GF_OMP_TARGET_KIND_UPDATE)
|
||||
cur_region = cur_region->outer;
|
||||
break;
|
||||
|
||||
case GIMPLE_OMP_SECTIONS:
|
||||
cur_region = new_omp_region (bb, code, cur_region);
|
||||
fallthru = true;
|
||||
break;
|
||||
|
||||
case GIMPLE_OMP_SECTIONS_SWITCH:
|
||||
fallthru = false;
|
||||
break;
|
||||
|
||||
case GIMPLE_OMP_ATOMIC_LOAD:
|
||||
case GIMPLE_OMP_ATOMIC_STORE:
|
||||
fallthru = true;
|
||||
break;
|
||||
|
||||
case GIMPLE_OMP_RETURN:
|
||||
/* In the case of a GIMPLE_OMP_SECTION, the edge will go
|
||||
somewhere other than the next block. This will be
|
||||
created later. */
|
||||
cur_region->exit = bb;
|
||||
fallthru = cur_region->type != GIMPLE_OMP_SECTION;
|
||||
cur_region = cur_region->outer;
|
||||
break;
|
||||
|
||||
case GIMPLE_OMP_CONTINUE:
|
||||
cur_region->cont = bb;
|
||||
switch (cur_region->type)
|
||||
{
|
||||
case GIMPLE_OMP_FOR:
|
||||
/* Mark all GIMPLE_OMP_FOR and GIMPLE_OMP_CONTINUE
|
||||
succs edges as abnormal to prevent splitting
|
||||
them. */
|
||||
single_succ_edge (cur_region->entry)->flags |= EDGE_ABNORMAL;
|
||||
/* Make the loopback edge. */
|
||||
make_edge (bb, single_succ (cur_region->entry),
|
||||
EDGE_ABNORMAL);
|
||||
|
||||
/* Create an edge from GIMPLE_OMP_FOR to exit, which
|
||||
corresponds to the case that the body of the loop
|
||||
is not executed at all. */
|
||||
make_edge (cur_region->entry, bb->next_bb, EDGE_ABNORMAL);
|
||||
make_edge (bb, bb->next_bb, EDGE_FALLTHRU | EDGE_ABNORMAL);
|
||||
fallthru = false;
|
||||
break;
|
||||
|
||||
case GIMPLE_OMP_SECTIONS:
|
||||
/* Wire up the edges into and out of the nested sections. */
|
||||
{
|
||||
basic_block switch_bb = single_succ (cur_region->entry);
|
||||
|
||||
struct omp_region *i;
|
||||
for (i = cur_region->inner; i ; i = i->next)
|
||||
{
|
||||
gcc_assert (i->type == GIMPLE_OMP_SECTION);
|
||||
make_edge (switch_bb, i->entry, 0);
|
||||
make_edge (i->exit, bb, EDGE_FALLTHRU);
|
||||
}
|
||||
|
||||
/* Make the loopback edge to the block with
|
||||
GIMPLE_OMP_SECTIONS_SWITCH. */
|
||||
make_edge (bb, switch_bb, 0);
|
||||
|
||||
/* Make the edge from the switch to exit. */
|
||||
make_edge (switch_bb, bb->next_bb, 0);
|
||||
fallthru = false;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
gcc_unreachable ();
|
||||
}
|
||||
CASE_GIMPLE_OMP:
|
||||
fallthru = make_gimple_omp_edges (bb, &cur_region);
|
||||
break;
|
||||
|
||||
case GIMPLE_TRANSACTION:
|
||||
|
|
@ -721,8 +633,7 @@ make_edges (void)
|
|||
make_edge (bb, bb->next_bb, EDGE_FALLTHRU);
|
||||
}
|
||||
|
||||
if (root_omp_region)
|
||||
free_omp_regions ();
|
||||
free_omp_regions ();
|
||||
|
||||
/* Fold COND_EXPR_COND of each COND_EXPR. */
|
||||
fold_cond_expr_cond ();
|
||||
|
|
|
|||
|
|
@ -37,56 +37,6 @@ along with GCC; see the file COPYING3. If not see
|
|||
#include "tree-into-ssa.h"
|
||||
#include "tree-ssa-loop.h"
|
||||
|
||||
/*---------------------------------------------------------------------------
|
||||
OpenMP Region Tree
|
||||
---------------------------------------------------------------------------*/
|
||||
|
||||
/* Parallel region information. Every parallel and workshare
|
||||
directive is enclosed between two markers, the OMP_* directive
|
||||
and a corresponding OMP_RETURN statement. */
|
||||
|
||||
struct omp_region
|
||||
{
|
||||
/* The enclosing region. */
|
||||
struct omp_region *outer;
|
||||
|
||||
/* First child region. */
|
||||
struct omp_region *inner;
|
||||
|
||||
/* Next peer region. */
|
||||
struct omp_region *next;
|
||||
|
||||
/* Block containing the omp directive as its last stmt. */
|
||||
basic_block entry;
|
||||
|
||||
/* Block containing the OMP_RETURN as its last stmt. */
|
||||
basic_block exit;
|
||||
|
||||
/* Block containing the OMP_CONTINUE as its last stmt. */
|
||||
basic_block cont;
|
||||
|
||||
/* If this is a combined parallel+workshare region, this is a list
|
||||
of additional arguments needed by the combined parallel+workshare
|
||||
library call. */
|
||||
vec<tree, va_gc> *ws_args;
|
||||
|
||||
/* The code for the omp directive of this region. */
|
||||
enum gimple_code type;
|
||||
|
||||
/* Schedule kind, only used for OMP_FOR type regions. */
|
||||
enum omp_clause_schedule_kind sched_kind;
|
||||
|
||||
/* True if this is a combined parallel+workshare region. */
|
||||
bool is_combined_parallel;
|
||||
};
|
||||
|
||||
extern struct omp_region *root_omp_region;
|
||||
extern struct omp_region *new_omp_region (basic_block, enum gimple_code,
|
||||
struct omp_region *);
|
||||
extern void free_omp_regions (void);
|
||||
void omp_expand_local (basic_block);
|
||||
tree copy_var_decl (tree, tree, tree);
|
||||
|
||||
/* Location to track pending stmt for edge insertion. */
|
||||
#define PENDING_STMT(e) ((e)->insns.g)
|
||||
|
||||
|
|
|
|||
|
|
@ -32,6 +32,7 @@ along with GCC; see the file COPYING3. If not see
|
|||
#include "tree-vectorizer.h"
|
||||
#include "tree-hasher.h"
|
||||
#include "tree-parloops.h"
|
||||
#include "omp-low.h"
|
||||
|
||||
/* This pass tries to distribute iterations of loops into several threads.
|
||||
The implementation is straightforward -- for each loop we test whether its
|
||||
|
|
|
|||
|
|
@ -3553,7 +3553,6 @@ extern tree build_translation_unit_decl (tree);
|
|||
extern tree build_block (tree, tree, tree, tree);
|
||||
extern tree build_empty_stmt (location_t);
|
||||
extern tree build_omp_clause (location_t, enum omp_clause_code);
|
||||
extern tree find_omp_clause (tree, enum omp_clause_code);
|
||||
|
||||
extern tree build_vl_exp_stat (enum tree_code, int MEM_STAT_DECL);
|
||||
#define build_vl_exp(c, n) build_vl_exp_stat (c, n MEM_STAT_INFO)
|
||||
|
|
|
|||
Loading…
Reference in New Issue