search for: nopre

...already present which allows us to > relate instructions with each other? What do you mean by a proper query > language? Yes, in the very simple sense that you can relate instructions that have the same value in a field: def ADD { let BaseOpcode = "ADD"; let PredSense = "nopred"; } def ADDtrue { let BaseOpcode = "ADD"; let PredSense = "true"; } Inside a multiclass, the NAME variable is set to the base name of the defm. You can use that to relate your instructions. >> You don't want to be limited to a single 'IFormat' as a...

...he same BaseOpcode field form a row. > let RowFields = ["BaseOpcode"]; > > // Instructions with the same predicate sense form a column. > let ColFields = ["PredSense"]; > > // The key column is the unpredicated instructions. > let KeyCol = ["nopred"]; > > // Value columns are predicate=true and predicate=false > let ValueCols = [["true"], ["false"]]; }; Can you please elaborate it more? It seems interesting but I coundn't understand it completely. Also, how do I get the table from the definition a...

..."PredRel"; // Instructions with the same BaseOpcode value form a row. let RowFields = ["BaseOpcode"]; // Instructions with the same predicate sense form a column. let ColFields = ["PredSense"]; // The key column is the unpredicated instructions. let KeyCol = ["nopred"]; // Value columns are PredSense=true and PredSense=false let ValueCols = [["true"], ["false"]]; } Instructions need to set some fields in order for the TableGen to relate them using the information provided in 'getPredOpcode'. Def ADD: PredRel { let Base...

...relate instructions with each other? What do you mean by a proper > > query language? > > Yes, in the very simple sense that you can relate instructions that have the > same value in a field: > > def ADD { > let BaseOpcode = "ADD"; > let PredSense = "nopred"; > } > > def ADDtrue { > let BaseOpcode = "ADD"; > let PredSense = "true"; > } > > Inside a multiclass, the NAME variable is set to the base name of the defm. > You can use that to relate your instructions. I found 'NAME' variable...

...el"; // Instructions with the same BaseOpcode field form a row. let RowFields = ["BaseOpcode"]; // Instructions with the same predicate sense form a column. let ColFields = ["PredSense"]; // The key column is the unpredicated instructions. let KeyCol = ["nopred"]; // Value columns are predicate=true and predicate=false let ValueCols = [["true"], ["false"]]; }; That should be enough to generate a table: // key , PredSense=true, PredSense=false { ADD , ADDtrue, ADDfalse, // BaseOpcode="ADD" { SUB...

Jyotsna, I hadn't been following this, so I apologize if this has already been provided, but can you give a quick example of how this functionality is used? Thanks in advance, Hal On Tue, 28 Aug 2012 13:01:17 -0500 "Jyotsna Verma" <jverma at codeaurora.org> wrote: > Hi Jakob, > > Here is the first draft of the patch to add TableGen backend support > for the

Hi Everyone, After some more thoughts to the Jacob's suggestion of using multiclasses for Opcode mapping, this is what I have come up with. Please take a look at the design below and let me know if you have any suggestions/questions. I have tried to keep the design target independent so that other targets could benefit from it. 1) The idea is to add 3 new classes into

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Hi Jakob, Here is the first draft of the patch to add TableGen backend support for the instruction mapping tables. Please take a look and let me know your suggestions. As of now, I create one mapping table per relation which results into a long .inc file. So, I'm planning to combine everything into a single table and will include APIs (one per relation) to query from this table. Thanks,