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jump.c (jump_optimize): When simplifying noop moves and PUSH_ROUNDING...

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* jump.c (jump_optimize): When simplifying noop moves and
	PUSH_ROUNDING, fix thinko so we use same criterion for identifying
	the PUSHes to rewrite in second loop as we did in the first.

From-SVN: r21302
This commit is contained in:
David S. Miller 1998-07-20 02:20:07 +00:00 committed by David S. Miller
parent b7863d43dc
commit 689fcba861
2 changed files with 12 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
* jump.c (jump_optimize): When simplifying noop moves and
PUSH_ROUNDING, fix thinko so we use same criterion for identifying
the PUSHes to rewrite in second loop as we did in the first.
Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* cplus-dem.c (demangle_nested_args): Make function definition

7
gcc/jump.c
View File

@ -402,9 +402,14 @@ jump_optimize (f, cross_jump, noop_moves, after_regscan)
if (GET_CODE (p) != INSN)
break;
pbody = PATTERN (p);
if (GET_CODE (pbody) == SET)
if (GET_CODE (pbody) != SET)
break;
dest = SET_DEST (pbody);
/* Allow a no-op move between the adjust and the push. */
if (GET_CODE (dest) == REG
&& GET_CODE (SET_SRC (pbody)) == REG
&& REGNO (dest) == REGNO (SET_SRC (pbody)))
continue;
if (! (GET_CODE (dest) == MEM
&& GET_CODE (XEXP (dest, 0)) == POST_INC
&& XEXP (XEXP (dest, 0), 0) == stack_pointer_rtx))