From 4ee72398a15cd7b8e217bb3d34a4e9e0e72caca1 Mon Sep 17 00:00:00 2001
From: Amaury de la Vieuville <amaury.dlv@gmail.com>
Date: Mon, 24 Jun 2013 09:11:53 +0000
Subject: ARM: fix thumb1 nop decoding
In thumb1, NOP is a pseudo-instruction equivalent to mov r8, r8.
However the disassembler should not use this alias.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184703 91177308-0d34-0410-b5e6-96231b3b80d8
---
test/MC/ARM/thumb-nop.s | 2 +-
test/MC/ARM/thumb.s | 2 +-
test/MC/Disassembler/ARM/thumb1.txt | 10 ++--------
3 files changed, 4 insertions(+), 10 deletions(-)
(limited to 'test/MC')
diff --git a/test/MC/ARM/thumb-nop.s b/test/MC/ARM/thumb-nop.s
index 0b580ea..66f61a6 100644
--- a/test/MC/ARM/thumb-nop.s
+++ b/test/MC/ARM/thumb-nop.s
@@ -5,5 +5,5 @@
nop
-@ CHECK-V6: nop @ encoding: [0xc0,0x46]
+@ CHECK-V6: mov r8, r8 @ encoding: [0xc0,0x46]
@ CHECK-V7: nop @ encoding: [0x00,0xbf]
diff --git a/test/MC/ARM/thumb.s b/test/MC/ARM/thumb.s
index 2223bdc..9a72541 100644
--- a/test/MC/ARM/thumb.s
+++ b/test/MC/ARM/thumb.s
@@ -42,7 +42,7 @@
@ CHECK: bkpt #2 @ encoding: [0x02,0xbe]
nop
-@ CHECK: nop @ encoding: [0xc0,0x46]
+@ CHECK: mov r8, r8 @ encoding: [0xc0,0x46]
cpsie aif
@ CHECK: cpsie aif @ encoding: [0x67,0xb6]
diff --git a/test/MC/Disassembler/ARM/thumb1.txt b/test/MC/Disassembler/ARM/thumb1.txt
index de9596a..7362d9b 100644
--- a/test/MC/Disassembler/ARM/thumb1.txt
+++ b/test/MC/Disassembler/ARM/thumb1.txt
@@ -279,9 +279,11 @@
#------------------------------------------------------------------------------
# CHECK: mov r3, r4
# CHECK: movs r1, r3
+# CHECK: mov r8, r8
0x23 0x46
0x19 0x00
+0xc0 0x46
#------------------------------------------------------------------------------
@@ -310,14 +312,6 @@
#------------------------------------------------------------------------------
-# NOP
-#------------------------------------------------------------------------------
-# CHECK: nop
-
-0xc0 0x46
-
-
-#------------------------------------------------------------------------------
# ORR
#------------------------------------------------------------------------------
# CHECK: orrs r3, r4
--
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