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(set_dominates_use): In second loop, add check for copy_end.

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From-SVN: r13997
This commit is contained in:
Jim Wilson 1997-04-30 16:53:13 -07:00
parent 516dd80f5c
commit 6b857f0460
1 changed files with 4 additions and 0 deletions
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4
gcc/unroll.c
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@ -3617,6 +3617,10 @@ set_dominates_use (regno, first_uid, last_uid, copy_start, copy_end)
can not be sure that FIRST_UID dominates LAST_UID. */
if (GET_CODE (p) == CODE_LABEL)
return 0;
/* Could not find LAST_UID, but we reached the end of the loop, so
it must be safe. */
else if (p == copy_end)
return 1;
p = NEXT_INSN (p);
}