search for: targetinstructioninfo

...m trying to create new backend. Can anyone help with such question? In a target there are 32 and 64-bit registers. I've made load/store 32-bit values without difficulties. Now i'm doing 64-bit store into memory. There is a direct 64bit store of register -> memory (i represented it in TargetInstructionInfo.td) and wrote lowering for i64 Constant store. The question is: does it need to do lowering for i64 register to memory store or it should "find" this store in TargetInstructionInfo.td? Thanks in advance. -------------- next part -------------- An HTML attachment was scrubbed... UR...

Hello, I am having some trouble matching patterns in targetinstructioninfo.td file with the CodeGen expectation. Could anybody please help? Here is the example: I want to emit instruction for adding 2 different kind of oprands. Basically i want to mix register types when I define the instruction for add,sub etc I define the instruction TargetInstruction.td as follows:...