[llvm-commits] [llvm] r157057 - in /llvm/trunk: lib/Target/Mips/MipsAsmPrinter.cpp test/CodeGen/Mips/inlineasm-operand-code.ll

[Eric Christopher]

Author: echristo
Date: Fri May 18 12:39:35 2012
New Revision: 157057

URL: http://llvm.org/viewvc/llvm-project?rev=157057&view=rev
Log:
Add support for the mips 'x' inline asm modifier.

Patch by Jack Carter.

Modified:
    llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp
    llvm/trunk/test/CodeGen/Mips/inlineasm-operand-code.ll

Modified: llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp?rev=157057&r1=157056&r2=157057&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp Fri May 18 12:39:35 2012
@@ -383,6 +383,11 @@
           return true;
         O << "0x" << StringRef(utohexstr(MO.getImm())).lower();
         return false;
+      case 'x': // hex const int (low 16 bits)
+        if ((MO.getType()) != MachineOperand::MO_Immediate)
+          return true;
+        O << "0x" << StringRef(utohexstr(MO.getImm() & 0xffff)).lower();
+        return false;
     }
   }
 

Modified: llvm/trunk/test/CodeGen/Mips/inlineasm-operand-code.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Mips/inlineasm-operand-code.ll?rev=157057&r1=157056&r2=157057&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/Mips/inlineasm-operand-code.ll (original)
+++ llvm/trunk/test/CodeGen/Mips/inlineasm-operand-code.ll Fri May 18 12:39:35 2012
@@ -11,5 +11,11 @@
 ;CHECK:	#NO_APP
   tail call i32 asm sideeffect "addi $0,$1,${2:X}", "=r,r,I"(i32 7, i32 -3) nounwind
 
+; x with -3
+;CHECK:	#APP
+;CHECK:	addi ${{[0-9]+}},${{[0-9]+}},0xfffd
+;CHECK:	#NO_APP
+  tail call i32 asm sideeffect "addi $0,$1,${2:x}", "=r,r,I"(i32 7, i32 -3) nounwind
+
   ret i32 0
 }