Displaying 3 results from an estimated 3 matches for "losize".
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2009 May 21
0
[LLVMdev] [PATCH] Add new phase to legalization to handle vector operations
On Wed, May 20, 2009 at 4:55 PM, Dan Gohman <gohman at apple.com> wrote:
> Can you explain why you chose the approach of using a new pass?
> I pictured removing LegalizeDAG's type legalization code would
> mostly consist of finding all the places that use TLI.getTypeAction
> and just deleting code for handling its Expand and Promote. Are you
> anticipating something more
2009 May 20
2
[LLVMdev] [PATCH] Add new phase to legalization to handle vector operations
On May 20, 2009, at 1:34 PM, Eli Friedman wrote:
> On Wed, May 20, 2009 at 1:19 PM, Eli Friedman
> <eli.friedman at gmail.com> wrote:
>
>> Per subject, this patch adding an additional pass to handle vector
>>
>> operations; the idea is that this allows removing the code from
>>
>> LegalizeDAG that handles illegal types, which should be a significant
2009 May 21
2
[LLVMdev] [PATCH] Add new phase to legalization to handle vector operations
...Alignment);
-
- // Remember that we legalized the chain.
- AddLegalizedOperand(SDValue(Node, 1), LegalizeOp(Lo.getValue(1)));
-
- if (ExtType == ISD::SEXTLOAD) {
- // The high part is obtained by SRA'ing all but one of the bits of the
- // lo part.
- unsigned LoSize = Lo.getValueType().getSizeInBits();
- Hi = DAG.getNode(ISD::SRA, dl, NVT, Lo,
- DAG.getConstant(LoSize-1, TLI.getShiftAmountTy()));
- } else if (ExtType == ISD::ZEXTLOAD) {
- // The high part is just a zero.
- Hi = DAG.getConstant(0, NVT);
- }...