Add a Thumb2 instruction flag to that indicates whether the instruction can be transformed to 16-bit variant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74988 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMInstrInfo.h b/lib/Target/ARM/ARMInstrInfo.h
index 8c8f788..ea8947d 100644
--- a/lib/Target/ARM/ARMInstrInfo.h
+++ b/lib/Target/ARM/ARMInstrInfo.h
@@ -66,17 +66,10 @@
IndexModePost = 2,
//===------------------------------------------------------------------===//
- // Misc flags.
-
- // UnaryDP - Indicates this is a unary data processing instruction, i.e.
- // it doesn't have a Rn operand.
- UnaryDP = 1 << 9,
-
- //===------------------------------------------------------------------===//
// Instruction encoding formats.
//
- FormShift = 10,
- FormMask = 0x1f << FormShift,
+ FormShift = 9,
+ FormMask = 0x3f << FormShift,
// Pseudo instructions
Pseudo = 0 << FormShift,
@@ -127,6 +120,17 @@
NEONDupFrm = 27 << FormShift,
//===------------------------------------------------------------------===//
+ // Misc flags.
+
+ // UnaryDP - Indicates this is a unary data processing instruction, i.e.
+ // it doesn't have a Rn operand.
+ UnaryDP = 1 << 15,
+
+ // Xform16Bit - Indicates this Thumb2 instruction may be transformed into
+ // a 16-bit Thumb instruction if certain conditions are met.
+ Xform16Bit = 1 << 16,
+
+ //===------------------------------------------------------------------===//
// Field shifts - such shifts are used to set field while generating
// machine instructions.
M_BitShift = 5,