From 9e42f24a0b7af4614fcc54e3cd5f690a5d6aaf8d Mon Sep 17 00:00:00 2001
From: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 8 Oct 1998 17:45:02 +0000
Subject: [PATCH] * jump.c (jump_optimize): Revert accidental patch.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@22929 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 2 ++
gcc/jump.c | 10 +++++++---
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ecd9e053b848..3de38fce277d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -5,6 +5,8 @@ Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
+ * jump.c (jump_optimize): Revert accidental patch.
+
* Makefile.in (cpplib.o): Use unlibsubdir.
Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
diff --git a/gcc/jump.c b/gcc/jump.c
index 967981aef44e..16928a94e6fb 100644
--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -480,9 +480,12 @@ jump_optimize (f, cross_jump, noop_moves, after_regscan)
remove_death (dreg, trial);
break;
}
-
- /* Deleting insn could lose a death-note for SREG. */
- if ((trial = find_regno_note (insn, REG_DEAD, sreg)))
+#ifdef PRESERVE_DEATH_INFO_REGNO_P
+ /* Deleting insn could lose a death-note for SREG
+ so don't do it if final needs accurate
+ death-notes. */
+ if (PRESERVE_DEATH_INFO_REGNO_P (sreg)
+ && (trial = find_regno_note (insn, REG_DEAD, sreg)))
{
/* Change this into a USE so that we won't emit
code for it, but still can keep the note. */
@@ -494,6 +497,7 @@ jump_optimize (f, cross_jump, noop_moves, after_regscan)
XEXP (trial, 1) = NULL_RTX;
}
else
+#endif
delete_insn (insn);
}
}
--
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