[llvm] r188851 - [micromips] Print instruction alias "not" if the last operand of a nor is zero.

[Akira Hatanaka]

Author: ahatanak
Date: Tue Aug 20 20:18:46 2013
New Revision: 188851

URL: http://llvm.org/viewvc/llvm-project?rev=188851&view=rev
Log:
[micromips] Print instruction alias "not" if the last operand of a nor is zero.


Modified:
    llvm/trunk/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp
    llvm/trunk/test/MC/Mips/micromips-alu-instructions.s

Modified: llvm/trunk/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp?rev=188851&r1=188850&r2=188851&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp (original)
+++ llvm/trunk/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp Tue Aug 20 20:18:46 2013
@@ -257,6 +257,7 @@ bool MipsInstPrinter::printAlias(const M
     // jalr $ra, $r1 => jalr $r1
     return isReg<Mips::RA_64>(MI, 0) && printAlias("jalr", MI, 1, OS);
   case Mips::NOR:
+  case Mips::NOR_MM:
     // nor $r0, $r1, $zero => not $r0, $r1
     return isReg<Mips::ZERO>(MI, 2) && printAlias("not", MI, 0, 1, OS);
   case Mips::NOR64:

Modified: llvm/trunk/test/MC/Mips/micromips-alu-instructions.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Mips/micromips-alu-instructions.s?rev=188851&r1=188850&r2=188851&view=diff
==============================================================================
--- llvm/trunk/test/MC/Mips/micromips-alu-instructions.s (original)
+++ llvm/trunk/test/MC/Mips/micromips-alu-instructions.s Tue Aug 20 20:18:46 2013
@@ -32,7 +32,7 @@
 # CHECK-EL: xori   $9, $6, 17767  # encoding: [0x26,0x71,0x67,0x45]
 # CHECK-EL: xori   $9, $6, 17767  # encoding: [0x26,0x71,0x67,0x45]
 # CHECK-EL: nor    $9, $6, $7     # encoding: [0xe6,0x00,0xd0,0x4a]
-# CHECK-EL: nor    $7, $8, $zero  # encoding: [0x08,0x00,0xd0,0x3a]
+# CHECK-EL: not    $7, $8         # encoding: [0x08,0x00,0xd0,0x3a]
 # CHECK-EL: mul    $9, $6, $7     # encoding: [0xe6,0x00,0x10,0x4a]
 # CHECK-EL: mult   $9, $7         # encoding: [0xe9,0x00,0x3c,0x8b]
 # CHECK-EL: multu  $9, $7         # encoding: [0xe9,0x00,0x3c,0x9b]
@@ -64,7 +64,7 @@
 # CHECK-EB:  xori  $9, $6, 17767  # encoding: [0x71,0x26,0x45,0x67]
 # CHECK-EB:  xori  $9, $6, 17767  # encoding: [0x71,0x26,0x45,0x67]
 # CHECK-EB:  nor $9, $6, $7       # encoding: [0x00,0xe6,0x4a,0xd0]
-# CHECK-EB:  nor $7, $8, $zero    # encoding: [0x00,0x08,0x3a,0xd0]
+# CHECK-EB:  not $7, $8           # encoding: [0x00,0x08,0x3a,0xd0]
 # CHECK-EB:  mul $9, $6, $7       # encoding: [0x00,0xe6,0x4a,0x10]
 # CHECK-EB:  mult  $9, $7         # encoding: [0x00,0xe9,0x8b,0x3c]
 # CHECK-EB:  multu $9, $7         # encoding: [0x00,0xe9,0x9b,0x3c]