From 55f925abc5901d51a6adf3ad4c5e3a80b68ba97d Mon Sep 17 00:00:00 2001
From: Joerg Sonnenberger <joerg@bec.de>
Date: Sat, 2 Aug 2014 20:00:26 +0000
Subject: [PATCH] mfdcr / mtdcr support

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214639 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/PowerPC/PPCInstrInfo.td                  | 5 +++++
 test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt | 5 +++++
 test/MC/PowerPC/ppc64-encoding-ext.s                | 8 ++++++++
 3 files changed, 18 insertions(+)

diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index 0237358a141..89c7bc4c64c 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -3123,6 +3123,11 @@ def RFCI : XForm_0<19, 51, (outs), (ins), "rfci", IIC_BrB, []>,
 def RFDI : XForm_0<19, 39, (outs), (ins), "rfdi", IIC_BrB, []>;
 def RFMCI : XForm_0<19, 38, (outs), (ins), "rfmci", IIC_BrB, []>;
 
+def MFDCR : XFXForm_1<31, 323, (outs gprc:$RT), (ins i32imm:$SPR),
+                      "mfdcr $RT, $SPR", IIC_SprMFSPR>;
+def MTDCR : XFXForm_1<31, 451, (outs), (ins gprc:$RT, i32imm:$SPR),
+                      "mtdcr $SPR, $RT", IIC_SprMTSPR>;
+
 //===----------------------------------------------------------------------===//
 // PowerPC Assembler Instruction Aliases
 //
diff --git a/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt b/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt
index b55ebce81a2..6a995d8f84f 100644
--- a/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt
+++ b/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt
@@ -2268,3 +2268,8 @@
 0x7c 0x6c 0x5a 0xec
 # CHECK: dststt 12, 11, 3
 0x7e 0x6c 0x5a 0xec
+
+# CHECK: mfdcr 3, 178
+0x7c 0x72 0x2a 0x86
+# CHECK: mtdcr 178, 3
+0x7c 0x72 0x2b 0x86
diff --git a/test/MC/PowerPC/ppc64-encoding-ext.s b/test/MC/PowerPC/ppc64-encoding-ext.s
index 2e9316f848f..7288df81eea 100644
--- a/test/MC/PowerPC/ppc64-encoding-ext.s
+++ b/test/MC/PowerPC/ppc64-encoding-ext.s
@@ -3613,3 +3613,11 @@
 # CHECK-BE: dststt 12, 11, 3                 # encoding: [0x7e,0x6c,0x5a,0xec]
 # CHECK-LE: dststt 12, 11, 3                 # encoding: [0xec,0x5a,0x6c,0x7e]
             dststt %r12, %r11, 3
+
+# PPC 403 support
+# CHECK-BE: mfdcr 3, 178                     # encoding: [0x7c,0x72,0x2a,0x86]
+# CHECK-LE: mfdcr 3, 178                     # encoding: [0x86,0x2a,0x72,0x7c]
+            mfdcr 3,178
+# CHECK-BE: mtdcr 178, 3                     # encoding: [0x7c,0x72,0x2b,0x86]
+# CHECK-LE: mtdcr 178, 3                     # encoding: [0x86,0x2b,0x72,0x7c]
+            mtdcr 178,3