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(duplicate_loop_exit_test): Initialize copy to zero.

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Emit jump to end lable if copy is still zero.

From-SVN: r7519
This commit is contained in:
Jim Wilson 1994-06-18 13:50:28 -07:00
parent ee3e2d3de0
commit 9c066566b0
1 changed files with 3 additions and 3 deletions
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6
gcc/jump.c
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@ -2010,8 +2010,8 @@ static int
duplicate_loop_exit_test (loop_start)
rtx loop_start;
{
rtx insn, set, p;
rtx copy, link;
rtx insn, set, p, link;
rtx copy = 0;
int num_insns = 0;
rtx exitcode = NEXT_INSN (JUMP_LABEL (next_nonnote_insn (loop_start)));
rtx lastexit;
@ -2155,7 +2155,7 @@ duplicate_loop_exit_test (loop_start)
/* Now clean up by emitting a jump to the end label and deleting the jump
at the start of the loop. */
if (GET_CODE (copy) != BARRIER)
if (! copy || GET_CODE (copy) != BARRIER)
{
copy = emit_jump_insn_before (gen_jump (get_label_after (insn)),
loop_start);