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authorJohnny Chen <johnny.chen@apple.com>2011-04-05 00:16:18 +0000
committerJohnny Chen <johnny.chen@apple.com>2011-04-05 00:16:18 +0000
commit157536b1fb900e57efe042d48c7caeb87b1efd04 (patch)
treeb861e155cadcd26dcf931c9ed6daf6180e594d2f /test/MC/Disassembler
parent597028cc2840d9182523bd0179a1f95ddd931dae (diff)
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Fix SRS/SRSW encoding bits.
rdar://problem/9230801 ARM disassembler discrepancy: erroneously accepting SRS Plus add invalid-RFEorLDMIA-arm.txt test which should have been checked in with http://llvm.org/viewvc/llvm-project?view=rev&revision=128859. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128864 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/MC/Disassembler')
-rw-r--r--test/MC/Disassembler/ARM/invalid-RFEorLDMIA-arm.txt11
-rw-r--r--test/MC/Disassembler/ARM/invalid-SRS-arm.txt13
2 files changed, 24 insertions, 0 deletions
diff --git a/test/MC/Disassembler/ARM/invalid-RFEorLDMIA-arm.txt b/test/MC/Disassembler/ARM/invalid-RFEorLDMIA-arm.txt
new file mode 100644
index 0000000000..1fdfa8299c
--- /dev/null
+++ b/test/MC/Disassembler/ARM/invalid-RFEorLDMIA-arm.txt
@@ -0,0 +1,11 @@
+# RUN: llvm-mc --disassemble %s -triple=arm-apple-darwin9 |& grep {invalid instruction encoding}
+
+# Opcode=134 Name=LDMIA Format=ARM_FORMAT_LDSTMULFRM(10)
+# 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: 1| 1: 0: 0: 0| 1: 0: 0: 1| 1: 0: 0: 1| 1: 0: 1: 1| 0: 0: 0: 1| 0: 0: 1: 1| 0: 0: 1: 0|
+# -------------------------------------------------------------------------------------------------
+#
+# B6.1.8 RFE has Inst{15-0} as 0x0a00 ==> Not an RFE instruction
+# A8.6.53 LDM/LDMIA/LDMFD is predicated with Inst{31-28} as cond ==> Not an LDMIA instruction
+0x32 0xb1 0x99 0xf8
diff --git a/test/MC/Disassembler/ARM/invalid-SRS-arm.txt b/test/MC/Disassembler/ARM/invalid-SRS-arm.txt
new file mode 100644
index 0000000000..fdca9f9eae
--- /dev/null
+++ b/test/MC/Disassembler/ARM/invalid-SRS-arm.txt
@@ -0,0 +1,13 @@
+# RUN: llvm-mc --disassemble %s -triple=arm-apple-darwin9 |& grep {invalid instruction encoding}
+
+# Opcode=0 Name=PHI Format=(42)
+# 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: 1| 1: 0: 0: 0| 1: 1: 0: 0| 0: 1: 0: 1| 0: 0: 0: 1| 1: 1: 0: 0| 1: 0: 0: 0| 0: 0: 1: 1|
+# -------------------------------------------------------------------------------------------------
+# Unknown format
+#
+# B6.1.10 SRS
+# Inst{19-8} = 0xd05
+# Inst{7-5} = 0b000
+0x83 0x1c 0xc5 0xf8