This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
lcm assumes an insn is a note without testing
- To: gcc-patches at gcc dot gnu dot org
- Subject: lcm assumes an insn is a note without testing
- From: Alexandre Oliva <aoliva at redhat dot com>
- Date: 29 Nov 2000 09:09:45 -0200
- Organization: GCC Team, Red Hat
Caught this one with a sh-elf build with all checks enabled. Looks
pretty obvious to me, so this hasn't undergone the standard
bootstrapping and testing procedure. Ok to install?
Index: gcc/ChangeLog
from Alexandre Oliva <aoliva@redhat.com>
* lcm.c (optimize_mode_switching): Check whether an insn is a NOTE
before taking its NOTE_LINE_NUMBER.
Index: gcc/lcm.c
===================================================================
RCS file: /cvs/gcc/egcs/gcc/lcm.c,v
retrieving revision 1.18
diff -u -p -r1.18 lcm.c
--- gcc/lcm.c 2000/08/04 20:28:05 1.18
+++ gcc/lcm.c 2000/11/29 11:01:01
@@ -1269,7 +1269,9 @@ optimize_mode_switching (file)
mode_set = gen_sequence ();
end_sequence ();
- if (NOTE_LINE_NUMBER (ptr->insn_ptr) == NOTE_INSN_BASIC_BLOCK)
+ if (GET_CODE (ptr->insn_ptr) == NOTE
+ && (NOTE_LINE_NUMBER (ptr->insn_ptr)
+ == NOTE_INSN_BASIC_BLOCK))
emit_block_insn_after (mode_set, ptr->insn_ptr,
BASIC_BLOCK (ptr->bbnum));
else
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist *Please* write to mailing lists, not to me