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loop.c (check_dbra_loop): Use single_set to compute jump_label.

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* loop.c (check_dbra_loop): Use single_set to compute
	jump_label.

From-SVN: r44517
This commit is contained in:
Geoffrey Keating 2001-07-31 19:19:21 +00:00 • committed by Geoffrey Keating
parent 2bfcf29777
commit ae16bf15ca
2 changed files with 9 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2001-07-30 Geoffrey Keating <geoffk@redhat.com>
* loop.c (check_dbra_loop): Use single_set to compute
jump_label.
2001-07-31 Daniel Berlin <dan@cgsoftware.com>
PowerPC reorg and support for powerpc64-*-linux*.

6
gcc/loop.c
View file

@ -7559,9 +7559,11 @@ check_dbra_loop (loop, insn_count)
/* Save some info needed to produce the new insns. */
reg = bl->biv->dest_reg;
jump_label = XEXP (SET_SRC (PATTERN (PREV_INSN (loop_end))), 1);
jump_label = XEXP (SET_SRC (single_set (PREV_INSN (loop_end))),
1);
if (jump_label == pc_rtx)
jump_label = XEXP (SET_SRC (PATTERN (PREV_INSN (loop_end))), 2);
jump_label = XEXP (SET_SRC (single_set (PREV_INSN (loop_end))),
2);
new_add_val = GEN_INT (-INTVAL (bl->biv->add_val));
/* Set start_value; if this is not a CONST_INT, we need