[PATCH] D156200: [RISCV] Don't print a tab after mnemonics that don't have operands.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D156200

Files:
  llvm/lib/Target/RISCV/RISCVInstrFormats.td


Index: llvm/lib/Target/RISCV/RISCVInstrFormats.td
===================================================================
--- llvm/lib/Target/RISCV/RISCVInstrFormats.td
+++ llvm/lib/Target/RISCV/RISCVInstrFormats.td
@@ -162,7 +162,7 @@
 
   dag OutOperandList = outs;
   dag InOperandList = ins;
-  let AsmString = opcodestr # "\t" # argstr;
+  let AsmString = !if(!empty(argstr), opcodestr, opcodestr # "\t" # argstr);
   let Pattern = pattern;
 
   let TSFlags{4-0} = format.Value;


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