ARM: Combine multiply accumulate operations.

Try to combine integer multiply and add(sub) into a MAC operation.
For AArch64, also try to combine long type multiply and add(sub).

Change-Id: Ic85812e941eb5a66abc355cab81a4dd16de1b66e

1 files changed, 28 insertions, 0 deletions

diff --git a/compiler/dex/compiler_enums.h b/compiler/dex/compiler_enums.h
index a3fe8ad038..7ff06a04cb 100644
--- a/compiler/dex/compiler_enums.h
+++ b/compiler/dex/compiler_enums.h
@@ -311,6 +311,34 @@ enum ExtendedMIROpcode {
   // arg[0]: TypeSize (most other vector opcodes have this in vC)
   kMirOpPackedArrayPut,
 
+  // @brief Multiply-add integer.
+  // vA: destination
+  // vB: multiplicand
+  // vC: multiplier
+  // arg[0]: addend
+  kMirOpMaddInt,
+
+  // @brief Multiply-subtract integer.
+  // vA: destination
+  // vB: multiplicand
+  // vC: multiplier
+  // arg[0]: minuend
+  kMirOpMsubInt,
+
+  // @brief Multiply-add long.
+  // vA: destination
+  // vB: multiplicand
+  // vC: multiplier
+  // arg[0]: addend
+  kMirOpMaddLong,
+
+  // @brief Multiply-subtract long.
+  // vA: destination
+  // vB: multiplicand
+  // vC: multiplier
+  // arg[0]: minuend
+  kMirOpMsubLong,
+
   kMirOpLast,
 };