================
@@ -240,6 +240,47 @@ def BF16RT : RegTyInfo<bf16, Int16Regs, bf16imm, fpimm,
supports_imm = 0>;
def F16X2RT : RegTyInfo<v2f16, Int32Regs, ?, ?, supports_imm = 0>;
def BF16X2RT : RegTyInfo<v2bf16, Int32Regs, ?, ?, supports_imm = 0>;
+// This class provides a basic wrapper around an NVPTXInst that abstracts the
+// specific syntax of most PTX instructions. It automatically handles the
+// construction of the asm string based on the provided dag arguments.
+// For example, the following asm-strings would be computed:
+//
+// * BasicFlagsNVPTXInst<(outs Int32Regs:$dst),
+// (ins Int32Regs:$a, Int32Regs:$b), (ins),
+// "add.s32">;
+// ---> "add.s32 \t$dst, $a, $b;"
+//
+// * BasicFlagsNVPTXInst<(outs Int32Regs:$d),
+// (ins Int32Regs:$a, Int32Regs:$b, Hexu32imm:$c),
+// (ins PrmtMode:$mode),
+// "prmt.b32${mode}">;
+// ---> "prmt.b32${mode} \t$dst, $a, $b, $c;"
----------------
durga4github wrote:
I think you meant `$d` here, for the output value
https://github.com/llvm/llvm-project/pull/140615
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