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Jim Wilson 5ea7a4ae88 (scan_loop): New variable loop_depth.
(scan_loop): New variable loop_depth.	Increment and
decrement on LOOP_BEG and LOOP_END notes.  Only use LOOP_VTOP note
if loop_depth is zero.
(strength_reduce): Likewise.

From-SVN: r6811
1994-03-18 12:31:41 -08:00
gcc (scan_loop): New variable loop_depth. 1994-03-18 12:31:41 -08:00