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(mostly_true_jump): Jump is forward if TARGET_LABEL is zero; don't try

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to get INSN_CODE of zero.

From-SVN: r4424
This commit is contained in:
Richard Kenner 1993-05-11 07:25:56 -04:00
parent 344ba054f0
commit 13b8df746d
1 changed files with 3 additions and 2 deletions
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5
gcc/reorg.c
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@ -1,5 +1,5 @@
/* Perform instruction reorganizations for delay slot filling.
Copyright (C) 1992 Free Software Foundation, Inc.
Copyright (C) 1992, 1993 Free Software Foundation, Inc.
Contributed by Richard Kenner (kenner@nyu.edu).
Hacked by Michael Tiemann (tiemann@cygnus.com).
@ -1337,7 +1337,8 @@ mostly_true_jump (jump_insn, condition)
/* Predict backward branches usually take, forward branches usually not. If
we don't know whether this is forward or backward, assume the branch
will be taken, since most are. */
return (INSN_UID (jump_insn) > max_uid || INSN_UID (target_label) > max_uid
return (target_label == 0 || INSN_UID (jump_insn) > max_uid
|| INSN_UID (target_label) > max_uid
|| (uid_to_ruid[INSN_UID (jump_insn)]
> uid_to_ruid[INSN_UID (target_label)]));;
}