[llvm-commits] [llvm] r145895 - /llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp

[Jim Grosbach]

Author: grosbach
Date: Mon Dec  5 19:53:17 2011
New Revision: 145895

URL: http://llvm.org/viewvc/llvm-project?rev=145895&view=rev
Log:
Tidy up value checking.

Modified:
    llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp

Modified: llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp?rev=145895&r1=145894&r2=145895&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp (original)
+++ llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp Mon Dec  5 19:53:17 2011
@@ -152,7 +152,8 @@
   // encodable.
   //
   // Relax if the value is too big for a (signed) i8.
-  return int64_t((Value - 4)>>1) != int64_t(int8_t((Value - 4)>>1));
+  int64_t Offset = int64_t(Value) - 4;
+  return Offset > 254 || Offset < -256;
 }
 
 void ARMAsmBackend::RelaxInstruction(const MCInst &Inst, MCInst &Res) const {