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justinfargnoli · justinfargnoli · commit 75a3e01a570d · 2025-08-25T21:32:38.000Z
diff --git a/llvm/lib/Target/NVPTX/NVPTXInstrInfo.td b/llvm/lib/Target/NVPTX/NVPTXInstrInfo.td
@@ -897,6 +897,9 @@ let Predicates = [hasOptEnabled] in {
   defm MAD_LO_S16 : MADInst<"lo.s16", mul, I16RT, I16RT>;
   defm MAD_LO_S32 : MADInst<"lo.s32", mul, I32RT, I32RT>;
   defm MAD_LO_S64 : MADInst<"lo.s64", mul, I64RT, I64RT>;
+
+  // Generating mad.wide causes a regression: 
+  // https://github.com/llvm/llvm-project/pull/150477#issuecomment-3191367837
 }
 
 //-----------------------------------

Original file line number	Diff line number	Diff line change
`@@ -897,6 +897,9 @@ let Predicates = [hasOptEnabled] in {`
`897`	`897`	`defm MAD_LO_S16 : MADInst<"lo.s16", mul, I16RT, I16RT>;`
`898`	`898`	`defm MAD_LO_S32 : MADInst<"lo.s32", mul, I32RT, I32RT>;`
`899`	`899`	`defm MAD_LO_S64 : MADInst<"lo.s64", mul, I64RT, I64RT>;`
	`900`	`+`
	`901`	`+ // Generating mad.wide causes a regression:`
	`902`	`+ // https://github.com/llvm/llvm-project/pull/150477#issuecomment-3191367837`
`900`	`903`	`}`
`901`	`904`
`902`	`905`	`//-----------------------------------`