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authorJeff Law <law@gcc.gnu.org>1997-10-07 11:15:27 -0600
committerJeff Law <law@gcc.gnu.org>1997-10-07 11:15:27 -0600
commit6714c1ae696ae61f9213c87c7120ec0b0b535e63 (patch)
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parent2f308fec0e6adac073acba20cd7ab25f1311d532 (diff)
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REG_BR_PRED docs.
From-SVN: r15860
Diffstat (limited to 'gcc/rtl.texi')
-rw-r--r--gcc/rtl.texi6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/rtl.texi b/gcc/rtl.texi
index 0fd89b2..539d420 100644
--- a/gcc/rtl.texi
+++ b/gcc/rtl.texi
@@ -2641,6 +2641,12 @@ This is used to specify the ratio of branches to non-branches of a
branch insn according to the profile data. The value is stored as a
value between 0 and REG_BR_PROB_BASE; larger values indicate a higher
probability that the branch will be taken.
+
+@findex REG_BR_PRED
+@item REG_BR_PRED
+These notes are found in JUMP insns after delayed branch scheduling
+has taken place. They indicate both the direction and the likelyhood
+of the JUMP. The format is a bitmask of ATTR_FLAG_* values.
@end table
For convenience, the machine mode in an @code{insn_list} or