[X86] Simplify immediate range checking code.

[oota-llvm.git] / lib / Target / X86 / AsmParser / X86AsmParserCommon.h

diff --git a/lib/Target/X86/AsmParser/X86AsmParserCommon.h b/lib/Target/X86/AsmParser/X86AsmParserCommon.h
index 7610806c4578afcb112876da91a38010a1eaf38a..54538c804a03b849567abdaea3249779fc4aad8a 100644 (file)
--- a/lib/Target/X86/AsmParser/X86AsmParserCommon.h
+++ b/lib/Target/X86/AsmParser/X86AsmParserCommon.h
@@ -13,30 +13,25 @@
 namespace llvm {
 
 inline bool isImmSExti16i8Value(uint64_t Value) {
-  return ((                                  Value <= 0x000000000000007FULL)||
-          (0x000000000000FF80ULL <= Value && Value <= 0x000000000000FFFFULL)||
-          (0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
+  return isInt<8>(Value) ||
+         (isUInt<16>(Value) && isInt<8>(static_cast<int16_t>(Value)));
 }
 
 inline bool isImmSExti32i8Value(uint64_t Value) {
-  return ((                                  Value <= 0x000000000000007FULL)||
-          (0x00000000FFFFFF80ULL <= Value && Value <= 0x00000000FFFFFFFFULL)||
-          (0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
+  return isInt<8>(Value) ||
+         (isUInt<32>(Value) && isInt<8>(static_cast<int32_t>(Value)));
 }
 
 inline bool isImmSExti64i8Value(uint64_t Value) {
-  return ((                                  Value <= 0x000000000000007FULL)||
-          (0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
+  return isInt<8>(Value);
 }
 
 inline bool isImmSExti64i32Value(uint64_t Value) {
-  return ((                                  Value <= 0x000000007FFFFFFFULL)||
-          (0xFFFFFFFF80000000ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
+  return isInt<32>(Value);
 }
 
 inline bool isImmUnsignedi8Value(uint64_t Value) {
-  return ((                                  Value <= 0x00000000000000FFULL)||
-          (0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
+  return isUInt<8>(Value) || isInt<8>(Value);
 }
 
 } // End of namespace llvm