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| author | kan <kan@FreeBSD.org> | 2007-05-19 01:19:51 +0000 |
|---|---|---|
| committer | kan <kan@FreeBSD.org> | 2007-05-19 01:19:51 +0000 |
| commit | 1f9ea4d0a40cca64d60cf4dab152349da7b9dddf (patch) | |
| tree | 0cb530c9c38af219e6dda2994c078b6b2b9ad853 /contrib/gcc/predict.def | |
| parent | 4895159b2b4f648051c1f139faa7b6dc50c2bfcb (diff) | |
| download | FreeBSD-src-1f9ea4d0a40cca64d60cf4dab152349da7b9dddf.zip FreeBSD-src-1f9ea4d0a40cca64d60cf4dab152349da7b9dddf.tar.gz | |
GCC 4.2.0 release.
Diffstat (limited to 'contrib/gcc/predict.def')
| -rw-r--r-- | contrib/gcc/predict.def | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/contrib/gcc/predict.def b/contrib/gcc/predict.def index 25c5102..997f4d2 100644 --- a/contrib/gcc/predict.def +++ b/contrib/gcc/predict.def @@ -1,5 +1,5 @@ /* Definitions for the branch prediction routines in the GNU compiler. - Copyright (C) 2001, 2003 Free Software Foundation, Inc. + Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc. This file is part of GCC. @@ -15,8 +15,8 @@ for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. */ +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ /* Before including this file, you should define a macro: @@ -41,7 +41,7 @@ DEF_PREDICTOR (PRED_COMBINED, "combined", PROB_ALWAYS, 0) /* An outcome estimated by Dempster-Shaffer theory. */ DEF_PREDICTOR (PRED_DS_THEORY, "DS theory", PROB_ALWAYS, 0) -/* An combined heuristics using probability determined by first +/* A combined heuristics using probability determined by first matching heuristics from this list. */ DEF_PREDICTOR (PRED_FIRST_MATCH, "first match", PROB_ALWAYS, 0) @@ -89,17 +89,22 @@ DEF_PREDICTOR (PRED_LOOP_HEADER, "loop header", HITRATE (64), 0) /* Pointers are usually not NULL. */ DEF_PREDICTOR (PRED_POINTER, "pointer", HITRATE (81), 0) +DEF_PREDICTOR (PRED_TREE_POINTER, "pointer (on trees)", HITRATE (81), 0) /* NE is probable, EQ not etc... */ DEF_PREDICTOR (PRED_OPCODE_POSITIVE, "opcode values positive", HITRATE (79), 0) DEF_PREDICTOR (PRED_OPCODE_NONEQUAL, "opcode values nonequal", HITRATE (71), 0) DEF_PREDICTOR (PRED_FPOPCODE, "fp_opcode", HITRATE (90), 0) +DEF_PREDICTOR (PRED_TREE_OPCODE_POSITIVE, "opcode values positive (on trees)", HITRATE (79), 0) +DEF_PREDICTOR (PRED_TREE_OPCODE_NONEQUAL, "opcode values nonequal (on trees)", HITRATE (71), 0) +DEF_PREDICTOR (PRED_TREE_FPOPCODE, "fp_opcode (on trees)", HITRATE (90), 0) /* Branch guarding call is probably taken. */ DEF_PREDICTOR (PRED_CALL, "call", HITRATE (70), 0) /* Branch causing function to terminate is probably not taken. */ DEF_PREDICTOR (PRED_EARLY_RETURN, "early return", HITRATE (67), 0) +DEF_PREDICTOR (PRED_TREE_EARLY_RETURN, "early return (on trees)", HITRATE (67), 0) /* Branch containing goto is probably not taken. */ DEF_PREDICTOR (PRED_GOTO, "goto", HITRATE (70), 0) @@ -112,3 +117,6 @@ DEF_PREDICTOR (PRED_NEGATIVE_RETURN, "negative return", HITRATE (96), 0) /* Branch ending with return; is probably not taken */ DEF_PREDICTOR (PRED_NULL_RETURN, "null return", HITRATE (90), 0) + +/* Branches to a mudflap bounds check are extremely unlikely. */ +DEF_PREDICTOR (PRED_MUDFLAP, "mudflap check", HITRATE (99), 0) |
