MOVi16 and MOVTi16 does not allow pc as the dest register, while MOVi allows it.
authorJohnny Chen <johnny.chen@apple.com>
Fri, 8 Apr 2011 17:29:58 +0000 (17:29 +0000)
committerJohnny Chen <johnny.chen@apple.com>
Fri, 8 Apr 2011 17:29:58 +0000 (17:29 +0000)
Add tests for that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129137 91177308-0d34-0410-b5e6-96231b3b80d8

test/MC/Disassembler/ARM/arm-tests.txt
test/MC/Disassembler/ARM/invalid-MOVTi16-arm.txt [new file with mode: 0644]

index 86d4f34dafe7ce21af349e0500172e10bef59de6..e5a3a76859787011ee3952779208971a74c8e5d6 100644 (file)
 # CHECK:       mov     pc, lr
 0x0e 0xf0 0xa0 0xe1
 
+# CHECK:       mov     pc, #255, #2
+0xff 0xf1 0xa0 0xe3
+
+# CHECK:       movw    r7, #4096
+0x00 0x70 0x01 0xe3
+
 # CHECK:       cmn     r0, #1
 0x01 0x00 0x70 0xe3
 
diff --git a/test/MC/Disassembler/ARM/invalid-MOVTi16-arm.txt b/test/MC/Disassembler/ARM/invalid-MOVTi16-arm.txt
new file mode 100644 (file)
index 0000000..0b8a077
--- /dev/null
@@ -0,0 +1,10 @@
+# RUN: llvm-mc --disassemble %s -triple=arm-apple-darwin9 |& grep {invalid instruction encoding}
+
+# Opcode=185 Name=MOVTi16 Format=ARM_FORMAT_DPFRM(4)
+#  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
+# -------------------------------------------------------------------------------------------------
+# | 1: 1: 1: 0| 0: 0: 1: 1| 0: 1: 0: 0| 0: 0: 0: 1| 1: 1: 1: 1| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0|
+# -------------------------------------------------------------------------------------------------
+# 
+# if d == 15 then UNPREDICTABLE
+0x00 0xf0 0x41 0xe3