flow.c (find_basic_blocks): Calc upper bound for extra nops in max_uids_for_flow.
* flow.c (find_basic_blocks): Calc upper bound for extra nops in
max_uids_for_flow.
(find_basic_blocks_1): Add a nop to the end of a basic block when
a trailing call insn does not have abnormal control flow.
* gcse.c (pre_transpout): New variable.
(alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
(compute_pre_transpout): Calculate it.
(compute_pre_ppinout): Use it to eliminate impossible placements
due to abnormal control flow through calls.
(compute_pre_data): Call compute_pre_transpout.
From-SVN: r22907