Add target flags to SPARC address operands.

SDNodes and MachineOperands get target flags representing the %hi() and
%lo() assembly annotations that eventually become relocations.

Also define flags to be used by the 64-bit code models.

llvm-svn: 179468

1 files changed, 62 insertions, 0 deletions

diff --git a/llvm/lib/Target/Sparc/MCTargetDesc/SparcBaseInfo.h b/llvm/lib/Target/Sparc/MCTargetDesc/SparcBaseInfo.h
new file mode 100644
index 00000000000..aac0e8d74a8
--- /dev/null
+++ b/llvm/lib/Target/Sparc/MCTargetDesc/SparcBaseInfo.h
@@ -0,0 +1,62 @@
+//===-- SparcBaseInfo.h - Top level definitions for Sparc ---- --*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains small standalone helper functions and enum definitions
+// for the Sparc target useful for the compiler back-end and the MC libraries.
+// As such, it deliberately does not include references to LLVM core code gen
+// types, passes, etc..
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SPARCBASEINFO_H
+#define SPARCBASEINFO_H
+
+namespace llvm {
+
+/// SPII - This namespace holds target specific flags for instruction info.
+namespace SPII {
+
+/// Target Operand Flags. Sparc specific TargetFlags for MachineOperands and
+/// SDNodes.
+enum TOF {
+  MO_NO_FLAG,
+
+  // Extract the low 10 bits of an address.
+  // Assembler: %lo(addr)
+  MO_LO,
+
+  // Extract bits 31-10 of an address. Only for sethi.
+  // Assembler: %hi(addr) or %lm(addr)
+  MO_HI,
+
+  // Extract bits 43-22 of an adress. Only for sethi.
+  // Assembler: %h44(addr)
+  MO_H44,
+
+  // Extract bits 21-12 of an address.
+  // Assembler: %m44(addr)
+  MO_M44,
+
+  // Extract bits 11-0 of an address.
+  // Assembler: %l44(addr)
+  MO_L44,
+
+  // Extract bits 63-42 of an address. Only for sethi.
+  // Assembler: %hh(addr)
+  MO_HH,
+
+  // Extract bits 41-32 of an address.
+  // Assembler: %hm(addr)
+  MO_HM
+};
+
+} // end namespace SPII
+} // end namespace llvm
+
+#endif