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-rw-r--r--gcc/reorg.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/reorg.c b/gcc/reorg.c
index 3686907ded4..28553e6583d 100644
--- a/gcc/reorg.c
+++ b/gcc/reorg.c
@@ -4617,5 +4617,22 @@ dbr_schedule (first, file)
}
}
}
+
+ /* For all JUMP insns, fill in branch prediction notes, so that during
+ assembler output a target can set branch prediction bits in the code.
+ We have to do this now, as up until this point the destinations of
+ JUMPS can be moved around and changed, but past right here that cannot
+ happen. */
+ for (insn = first; insn; insn = NEXT_INSN (insn))
+ {
+ int pred_flags;
+
+ if (GET_CODE (insn) != JUMP_INSN)
+ continue;
+
+ pred_flags = get_jump_flags (insn, JUMP_LABEL (insn));
+ REG_NOTES (insn) = gen_rtx (EXPR_LIST, REG_BR_PRED,
+ GEN_INT (pred_flags), REG_NOTES (insn));
+ }
}
#endif /* DELAY_SLOTS */