commit b936da159e3d3435a8625fac5fd5544b344ad7aa
author Vladimir Medic <Vladimir.Medic@imgtec.com> Fri Sep 06 13:08:00 2013 +0000
committer Vladimir Medic <Vladimir.Medic@imgtec.com> Fri Sep 06 13:08:00 2013 +0000
tree f9b6c3b59c7892805f9ad4d1b3730522d9c75605
parent 563e5eabe50023a2ca6cbd5fd77411c8e743f63c

This patch adds support for microMIPS Multiply and Add/Sub instructions. Test cases are included in patch.

llvm-svn: 190154

llvm/lib/Target/Mips/MicroMipsInstrInfo.td

diff --git a/llvm/lib/Target/Mips/MicroMipsInstrInfo.td b/llvm/lib/Target/Mips/MicroMipsInstrInfo.td
index 3c3e764..b0dc2e8 100644
--- a/llvm/lib/Target/Mips/MicroMipsInstrInfo.td
+++ b/llvm/lib/Target/Mips/MicroMipsInstrInfo.td
@@ -129,4 +129,10 @@
                 MFLO_FM_MM<0x035>;
   def MFLO_MM : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, [LO0]>,
                 MFLO_FM_MM<0x075>;
+
+  /// Multiply Add/Sub Instructions
+  def MADD_MM  : MMRel, MArithR<"madd", 1>, MULT_FM_MM<0x32c>;
+  def MADDU_MM : MMRel, MArithR<"maddu", 1>, MULT_FM_MM<0x36c>;
+  def MSUB_MM  : MMRel, MArithR<"msub">, MULT_FM_MM<0x3ac>;
+  def MSUBU_MM : MMRel, MArithR<"msubu">, MULT_FM_MM<0x3ec>;
 }