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| author | Eric Botcazou <ebotcazou@adacore.com> | 2014-04-14 14:18:26 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2014-04-14 14:18:26 +0000 |
| commit | 3418f5e92a6071ffb4d877c1824b0cf0406dbfe1 (patch) | |
| tree | b966c153d01e685a86c6307ca5047e636042ea7b /gcc/ada/gcc-interface/trans.c | |
| parent | cddaefa37616be8fdc85d6e627962f828c75ae2b (diff) | |
| download | gcc-3418f5e92a6071ffb4d877c1824b0cf0406dbfe1.zip gcc-3418f5e92a6071ffb4d877c1824b0cf0406dbfe1.tar.gz gcc-3418f5e92a6071ffb4d877c1824b0cf0406dbfe1.tar.bz2 | |
snames.ads-tmpl (Name_Ivdep): New pragma-related name.
* snames.ads-tmpl (Name_Ivdep): New pragma-related name.
* sem_prag.adb (Analyze_Pragma) <Pragma_Loop_Optimize>: Add support
for Ivdep hint.
* gnat_rm.texi (Implementation Defined Pragmas): Document new Ivdep
hint for Loop_Optimize.
* gnat_ugn.texi (Vectorization of loops): Mention new Ivdep hint.
* gcc-interface/trans.c (Pragma_to_gnu) <Pragma_Loop_Optimize>: Deal
with new Ivdep hint.
* gcc-interface/ada-tree.h (LOOP_STMT_IVDEP): New macro.
* gcc-interface/trans.c (Pragma_to_gnu) <Pragma_Loop_Optimize>: Deal
with new Ivdep hint.
(gnat_gimplify_stmt) <LOOP_STMT>: Propagate the loop hints.
From-SVN: r209375
Diffstat (limited to 'gcc/ada/gcc-interface/trans.c')
| -rw-r--r-- | gcc/ada/gcc-interface/trans.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/gcc/ada/gcc-interface/trans.c b/gcc/ada/gcc-interface/trans.c index 59358ff..3ab503f 100644 --- a/gcc/ada/gcc-interface/trans.c +++ b/gcc/ada/gcc-interface/trans.c @@ -1268,10 +1268,14 @@ Pragma_to_gnu (Node_Id gnat_node) Present (gnat_temp); gnat_temp = Next (gnat_temp)) { - tree gnu_loop_stmt = gnu_loop_stack ->last ()->stmt; + tree gnu_loop_stmt = gnu_loop_stack->last ()->stmt; switch (Chars (Expression (gnat_temp))) { + case Name_Ivdep: + LOOP_STMT_IVDEP (gnu_loop_stmt) = 1; + break; + case Name_No_Unroll: LOOP_STMT_NO_UNROLL (gnu_loop_stmt) = 1; break; @@ -7747,13 +7751,20 @@ gnat_gimplify_stmt (tree *stmt_p) tree gnu_cond = LOOP_STMT_COND (stmt); tree gnu_update = LOOP_STMT_UPDATE (stmt); tree gnu_end_label = LOOP_STMT_LABEL (stmt); - tree t; /* Build the condition expression from the test, if any. */ if (gnu_cond) - gnu_cond - = build3 (COND_EXPR, void_type_node, gnu_cond, alloc_stmt_list (), - build1 (GOTO_EXPR, void_type_node, gnu_end_label)); + { + /* Deal with the optimization hints. */ + if (LOOP_STMT_IVDEP (stmt)) + gnu_cond = build2 (ANNOTATE_EXPR, TREE_TYPE (gnu_cond), gnu_cond, + build_int_cst (integer_type_node, + annot_expr_ivdep_kind)); + + gnu_cond + = build3 (COND_EXPR, void_type_node, gnu_cond, NULL_TREE, + build1 (GOTO_EXPR, void_type_node, gnu_end_label)); + } /* Set to emit the statements of the loop. */ *stmt_p = NULL_TREE; @@ -7782,7 +7793,7 @@ gnat_gimplify_stmt (tree *stmt_p) if (gnu_update && !LOOP_STMT_TOP_UPDATE_P (stmt)) append_to_statement_list (gnu_update, stmt_p); - t = build1 (GOTO_EXPR, void_type_node, gnu_start_label); + tree t = build1 (GOTO_EXPR, void_type_node, gnu_start_label); SET_EXPR_LOCATION (t, DECL_SOURCE_LOCATION (gnu_end_label)); append_to_statement_list (t, stmt_p); |