gcc/

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

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+2010-04-14  Bernd Schmidt  <bernd.schmidt@codesourcery.com>
+       
+       PR target/21803
+       * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
+       at the start and end of the then/else blocks, and omit them from the
+       conversion.
+       * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
+       argument; all callers changed.  Pass zero to old_insns_match_p instead.
+       (flow_find_head_matching_sequence): New function.
+       (old_insns_match_p): Check REG_EH_REGION notes for calls.
+       * basic-block.h (flow_find_cross_jump,
+       flow_find_head_matching_sequence): Declare functions.
+
 2010-04-14  Jason Merrill  <jason@redhat.com>
 
        PR c++/36625