+2003-05-23 J"orn Rennecke <joern.rennecke@superh.com>
+
+ * cse.c (count_reg_usage): When processing an INSNs REG_EQUAL
+ note containing an EXPR_LIST, process all the arguments.
+
Fri May 23 21:19:31 CEST 2003 Jan Hubicka <jh@suse.cz>
Andreas Jaeger <aj@suse.de>
note = find_reg_equal_equiv_note (x);
if (note)
- count_reg_usage (XEXP (note, 0), counts, NULL_RTX, incr);
+ {
+ rtx eqv = XEXP (note, 0);
+
+ if (GET_CODE (eqv) == EXPR_LIST)
+ /* This REG_EQUAL note describes the result of a function call.
+ Process all the arguments. */
+ do
+ {
+ count_reg_usage (XEXP (eqv, 0), counts, NULL_RTX, incr);
+ eqv = XEXP (eqv, 1);
+ }
+ while (eqv && GET_CODE (eqv) == EXPR_LIST);
+ else
+ count_reg_usage (eqv, counts, NULL_RTX, incr);
+ }
return;
case EXPR_LIST: