[PATCH] D110308: [RISCV] Add invalid match case for uimm2, uimm3 and uimm7

[Jim Lin via Phabricator via llvm-commits]

Jim updated this revision to Diff 379906.
Jim added a comment.

Address @craig.topper's comment.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D110308/new/

https://reviews.llvm.org/D110308

Files:
  llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
  llvm/test/MC/RISCV/insn-invalid.s


Index: llvm/test/MC/RISCV/insn-invalid.s
===================================================================
--- llvm/test/MC/RISCV/insn-invalid.s
+++ llvm/test/MC/RISCV/insn-invalid.s
@@ -13,5 +13,10 @@
 
 .insn q  0x13,  0,  a0, a1, 13, 14 # CHECK: :[[@LINE]]:7: error: invalid instruction format
 
+# Invalid immediate
+.insn i  0x99,  0, a0, 4(a1) # CHECK: :[[@LINE]]:10: error: immediate must be an integer in the range [0, 127]
+.insn r  0x33,  8,  0, a0, a1, a2 # CHECK: :[[@LINE]]:17: error: immediate must be an integer in the range [0, 7]
+.insn r4 0x43,  0,  4, fa0, fa1, fa2, fa3 # CHECK: :[[@LINE]]:21: error: immediate must be an integer in the range [0, 3]
+
 # Make fake mnemonics we use to match these in the tablegened asm match table isn't exposed.
 .insn_i  0x13,  0,  a0, a1, 13, 14 # CHECK: :[[@LINE]]:1: error: unknown directive
Index: llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
===================================================================
--- llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
+++ llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
@@ -1074,8 +1074,14 @@
     if (isRV64())
       return generateImmOutOfRangeError(Operands, ErrorInfo, 0, (1 << 5) - 1);
     return generateImmOutOfRangeError(Operands, ErrorInfo, 0, (1 << 4) - 1);
+  case Match_InvalidUImm2:
+    return generateImmOutOfRangeError(Operands, ErrorInfo, 0, (1 << 2) - 1);
+  case Match_InvalidUImm3:
+    return generateImmOutOfRangeError(Operands, ErrorInfo, 0, (1 << 3) - 1);
   case Match_InvalidUImm5:
     return generateImmOutOfRangeError(Operands, ErrorInfo, 0, (1 << 5) - 1);
+  case Match_InvalidUImm7:
+    return generateImmOutOfRangeError(Operands, ErrorInfo, 0, (1 << 7) - 1);
   case Match_InvalidSImm5:
     return generateImmOutOfRangeError(Operands, ErrorInfo, -(1 << 4),
                                       (1 << 4) - 1);


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