From c601bd69d5c7fcd3bf9946e8a8a1bd1f9ab6642b Mon Sep 17 00:00:00 2001
From: Richard Osborne <richard@xmos.com>
Date: Sun, 5 May 2013 13:24:16 +0000
Subject: [PATCH] [XCore] Add BLRB instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181152 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/XCore/XCoreInstrInfo.td   | 7 +++++++
 test/MC/Disassembler/XCore/xcore.txt | 6 ++++++
 2 files changed, 13 insertions(+)

diff --git a/lib/Target/XCore/XCoreInstrInfo.td b/lib/Target/XCore/XCoreInstrInfo.td
index 9bb61c80c4c..2be1ce2338c 100644
--- a/lib/Target/XCore/XCoreInstrInfo.td
+++ b/lib/Target/XCore/XCoreInstrInfo.td
@@ -169,6 +169,9 @@ def ldawb : PatFrag<(ops node:$addr, node:$offset),
 
 // Instruction operand types
 def calltarget  : Operand<i32>;
+def calltarget_neg  : Operand<i32> {
+  let DecoderMethod = "DecodeNegImmOperand";
+}
 def brtarget : Operand<OtherVT>;
 def brtarget_neg : Operand<OtherVT> {
   let DecoderMethod = "DecodeNegImmOperand";
@@ -677,6 +680,10 @@ def BLRF_u10 : _FU10<0b110100, (outs), (ins calltarget:$a), "bl $a",
 
 def BLRF_lu10 : _FLU10<0b110100, (outs), (ins calltarget:$a), "bl $a",
                        [(XCoreBranchLink immU20:$a)]>;
+
+def BLRB_u10 : _FU10<0b110101, (outs), (ins calltarget_neg:$a), "bl $a", []>;
+
+def BLRB_lu10 : _FLU10<0b110101, (outs), (ins calltarget_neg:$a), "bl $a", []>;
 }
 
 let Defs = [R11], mayLoad = 1, isReMaterializable = 1,
diff --git a/test/MC/Disassembler/XCore/xcore.txt b/test/MC/Disassembler/XCore/xcore.txt
index d509aff7d38..311ca16767d 100644
--- a/test/MC/Disassembler/XCore/xcore.txt
+++ b/test/MC/Disassembler/XCore/xcore.txt
@@ -654,6 +654,12 @@
 # CHECK: bl 38631
 0x25 0xf0 0xe7 0xd2
 
+# CHECK: bl -222
+0xde 0xd4
+
+# CHECK: bl -55132
+0x35 0xf0 0x5c 0xd7
+
 # CHECK: bla cp[500]
 0xf4 0xe1