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| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-03-18 15:21:06 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-03-18 15:21:06 +0000 |
| commit | 4a1849e3a1e51cb463703ec17861392086dce70b (patch) | |
| tree | e2ca0569c078a0ce7bcb5fe80388985cdcfbfac8 /gcc/tree.def | |
| parent | a6eaabefcce6805363ef2e20e87ac79276932994 (diff) | |
| download | gcc-4a1849e3a1e51cb463703ec17861392086dce70b.tar.gz | |
* tree-pretty-print.c: Include predict.h.
(dump_generic_node): Dump predictor.
* tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
* tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
* gimple-low.c (lower_stmt): Likewise.
* expr.c (expand_expr_real): Likewise.
* predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
them.
(build_predict_expr, build_predict_expr): New.
* predict.h (predictor_name, build_predict_expr): Update.
* c-typeck.c (c_finish_bc_stmt): Add prediction.
* gimplify.c (gimplify_expr): Add PREDICT_EXPR.
* predict.def (PRED_CONTINUE): Update hitrate.
* tree.def (PREDICT_EXPR): Define.
* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
do not handle BIND_EXPR.
* tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
* tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
* tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
operands.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@133313 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree.def')
| -rw-r--r-- | gcc/tree.def | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/tree.def b/gcc/tree.def index 4a55ee0aaf9..89c18dfd16c 100644 --- a/gcc/tree.def +++ b/gcc/tree.def @@ -1170,6 +1170,12 @@ DEFTREECODE (VEC_EXTRACT_ODD_EXPR, "vec_extractodd_expr", tcc_binary, 2) DEFTREECODE (VEC_INTERLEAVE_HIGH_EXPR, "vec_interleavehigh_expr", tcc_binary, 2) DEFTREECODE (VEC_INTERLEAVE_LOW_EXPR, "vec_interleavelow_expr", tcc_binary, 2) +/* PREDICT_EXPR. Specify hint for branch prediction. The + PREDICT_EXPR_PREDICTOR specify predictor and PREDICT_EXPR_OUTCOME the + outcome (0 for not taken and 1 for taken). Once the profile is guessed + all conditional branches leading to execution paths executing the + PREDICT_EXPR will get predicted by the specified predictor. */ +DEFTREECODE (PREDICT_EXPR, "predict_expr", tcc_unary, 1) /* Local variables: mode:c |