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On 10/18/11 01:44, Paolo Bonzini wrote:
> On 10/18/2011 07:10 AM, Jeff Law wrote:
>> --- 467,475 if (gimple_code (use) != GIMPLE_PHI) { sinkbb =
>> gimple_bb (use); ! sinkbb = select_best_block (frombb,
>> gimple_bb (use), stmt);
>>
>> !
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On 10/18/11 01:44, Paolo Bonzini wrote:
> On 10/18/2011 07:10 AM, Jeff Law wrote:
>> --- 467,475 if (gimple_code (use) != GIMPLE_PHI) { sinkbb =
>> gimple_bb (use); ! sinkbb = select_best_block (frombb,
>> gimple_bb (use), stmt);
>>
>> !
On 10/18/2011 07:10 AM, Jeff Law wrote:
--- 467,475
if (gimple_code (use) != GIMPLE_PHI)
{
sinkbb = gimple_bb (use);
! sinkbb = select_best_block (frombb, gimple_bb (use), stmt);
! if (sinkbb == frombb)
return false;
*togsi =
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tree-ssa-sink.c could benefit from a little TLC in its code to select
statement's final location.
For those not familiar with tree-ssa-sink, it attempts to sink
statements down in the CFG to points where they're less likely to
execute. Ideally we mo
