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| author | Jeffrey A Law <law@cygnus.com> | 1998-10-08 17:45:02 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-10-08 11:45:02 -0600 |
| commit | 428a55dee27d6b49f285d383e1f8a5558af480e2 (patch) | |
| tree | 0fb606d872ee78db6bbb624efc49140f95a60316 | |
| parent | c2b7e122db71c5e8a4164800fb5f103548881bd1 (diff) | |
| download | gcc-428a55dee27d6b49f285d383e1f8a5558af480e2.zip gcc-428a55dee27d6b49f285d383e1f8a5558af480e2.tar.gz gcc-428a55dee27d6b49f285d383e1f8a5558af480e2.tar.bz2 | |
* jump.c (jump_optimize): Revert accidental patch.
From-SVN: r22929
| -rw-r--r-- | gcc/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/jump.c | 10 |
2 files changed, 9 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ecd9e05..3de38fc 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> @@ -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); } } |