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
diff --git a/disassembler/disassembler_arm.cc b/disassembler/disassembler_arm.cc
index 9243b1a..52fd736 100644
--- a/disassembler/disassembler_arm.cc
+++ b/disassembler/disassembler_arm.cc
@@ -1498,7 +1498,7 @@
} else if ((op2 >> 3) == 6) { // 0110xxx
// Multiply, multiply accumulate, and absolute difference
op1 = (instr >> 20) & 0x7;
- op2 = (instr >> 4) & 0x2;
+ op2 = (instr >> 4) & 0x1;
ArmRegister Ra(instr, 12);
ArmRegister Rn(instr, 16);
ArmRegister Rm(instr, 0);