From cbe6c88b6811e4641629d111f941879982362fe8 Mon Sep 17 00:00:00 2001
From: Richard Osborne <richard@xmos.com>
Date: Sun, 17 Feb 2013 20:43:17 +0000
Subject: [PATCH] [XCore] Add missing u6 / lu6 instructions.

These instructions are not targeted by the compiler but they are
needed for the MC layer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175403 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/XCore/XCoreInstrInfo.td   | 20 ++++++++++++++--
 test/MC/Disassembler/XCore/xcore.txt | 36 ++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+), 2 deletions(-)

diff --git a/lib/Target/XCore/XCoreInstrInfo.td b/lib/Target/XCore/XCoreInstrInfo.td
index c23f87430f6..12540621ddf 100644
--- a/lib/Target/XCore/XCoreInstrInfo.td
+++ b/lib/Target/XCore/XCoreInstrInfo.td
@@ -603,6 +603,7 @@ defm BRBF: FRU6_LRU6_backwards_branch<0b011111, "bf">;
 let Defs = [SP], Uses = [SP] in {
 let neverHasSideEffects = 1 in
 defm EXTSP : FU6_LU6_np<0b0111011110, "extsp">;
+
 let mayStore = 1 in
 defm ENTSP : FU6_LU6_np<0b0111011101, "entsp">;
 
@@ -611,8 +612,12 @@ defm RETSP : FU6_LU6<0b0111011111, "retsp", XCoreRetsp>;
 }
 }
 
-// TODO extdp, kentsp, krestsp, blat
-// getsr, kalli
+let neverHasSideEffects = 1 in
+defm EXTDP : FU6_LU6_np<0b0111001110, "extdp">;
+
+let Uses = [R11], isCall=1 in
+defm BLAT : FU6_LU6_np<0b0111001101, "blat">;
+
 let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
 def BRBU_u6 : _FU6<0b0111011100, (outs), (ins brtarget:$a), "bu -$a", []>;
 
@@ -632,6 +637,9 @@ let Defs = [R11], isReMaterializable = 1 in
 def LDAWCP_lu6: _FLU6<0b0111111101, (outs), (ins MEMii:$a), "ldaw r11, cp[$a]",
                       [(set R11, ADDRcpii:$a)]>;
 
+let Defs = [R11] in
+defm GETSR : FU6_LU6_np<0b0111111100, "getsr r11,">;
+
 defm SETSR : FU6_LU6_int<0b0111101101, "setsr", int_xcore_setsr>;
 
 defm CLRSR : FU6_LU6_int<0b0111101100, "clrsr", int_xcore_clrsr>;
@@ -644,6 +652,14 @@ defm SETSR_branch : FU6_LU6_np<0b0111101101, "setsr">;
 defm CLRSR_branch : FU6_LU6_np<0b0111101100, "clrsr">;
 }
 
+defm KCALL : FU6_LU6_np<0b0111001111, "kcall">;
+
+let Uses = [SP], Defs = [SP], mayStore = 1 in
+defm KENTSP : FU6_LU6_np<0b0111101110, "kentsp">;
+
+let Uses = [SP], Defs = [SP], mayLoad = 1 in
+defm KRESTSP : FU6_LU6_np<0b0111101111, "krestsp">;
+
 // U10
 // TODO ldwcpl, blacp
 
diff --git a/test/MC/Disassembler/XCore/xcore.txt b/test/MC/Disassembler/XCore/xcore.txt
index f1ec31d9320..bc798a80eb1 100644
--- a/test/MC/Disassembler/XCore/xcore.txt
+++ b/test/MC/Disassembler/XCore/xcore.txt
@@ -539,6 +539,42 @@
 # CHECK: setsr 21863
 0x55 0xf1 0x67 0x7b
 
+# CHECK: extdp 4
+0x84 0x73
+
+# CHECK: extdp 554
+0x08 0xf0 0xaa 0x73
+
+# CHECK: blat 9
+0x49 0x73
+
+# CHECK: blat 61212
+0xbc 0xf3 0x5c 0x73
+
+# CHECK: getsr r11, 54
+0x36 0x7f
+
+# CHECK: getsr r11, 442
+0x06 0xf0 0x3a 0x7f
+
+# CHECK: kcall 11
+0xcb 0x73
+
+# CHECK: kcall 4001
+0x3e 0xf0 0xe1 0x73
+
+# CHECK: kentsp 22
+0x96 0x7b
+
+# CHECK: kentsp 8793
+0x89 0xf0 0x99 0x7b
+
+# CHECK: krestsp 0
+0xc0 0x7b
+
+# CHECK: krestsp 55312
+0x60 0xf3 0xd0 0x7b
+
 # u10 / lu10 instructions
 
 # CHECK: ldap r11, 40