[PATCH: PR/40416] stop sinking expression if the target bb post dominates from bb

[Carrot Wei]

Thank you, Paolo.

On Thu, Jun 18, 2009 at 3:41 PM, Paolo Bonzini<paolo.bonzini@gmail.com> wrote:
>
>> 2009-06-18  Carrot Wei  <carrot@google.com>
>>
>>        PR/40416
>>        * tree-ssa-sink.c (statement_sink_location): Stop sinking
>> expression
>>        if the target bb post dominates from bb.
>>        * config/i386/i386.c (memory_address_length): Check existance of
>> base
>>        register before using it.
>>        * gcc.dg/tree-ssa/ssa-sink-5.c: New testcase.
>
> The correct format is
>
> 2009-06-18  Carrot Wei  <carrot@google.com>
>
>        PR/40416
>        * tree-ssa-sink.c (statement_sink_location): Stop sinking
>        expression if the target bb post dominates from bb.
>        * config/i386/i386.c (memory_address_length): Check existance of
>        base register before using it.
>
> 2009-06-18  Carrot Wei  <carrot@google.com>
>
>        PR/40416
>        * gcc.dg/tree-ssa/ssa-sink-5.c: New testcase.
>
> The double header means that you will put that in a separate ChangeLog file.
>  You can optionally put something like "testsuite:" before it to say which
> ChangeLog file will host the second entry.
>
> Paolo
>