rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.

* rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
	(no_labels_between_p): Short circuit case beg==end.

From-SVN: r42867
This commit is contained in:
Jan Hubicka 2001-06-04 20:16:34 +02:00 committed by Jan Hubicka
parent 31990cd54c
commit 978f547fa2
2 changed files with 8 additions and 0 deletions

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@ -1,3 +1,8 @@
Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
* rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
(no_labels_between_p): Short circuit case beg==end.
Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
* rtlanal.c (operand_preference): Fix preference for objects.

View File

@ -59,6 +59,7 @@ rtx_unstable_p (x)
case QUEUED:
return 1;
case ADDRESSOF:
case CONST:
case CONST_INT:
case CONST_DOUBLE:
@ -476,6 +477,8 @@ no_labels_between_p (beg, end)
rtx beg, end;
{
register rtx p;
if (beg == end)
return 0;
for (p = NEXT_INSN (beg); p != end; p = NEXT_INSN (p))
if (GET_CODE (p) == CODE_LABEL)
return 0;