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authorDevang Patel <dpatel@apple.com>2012-01-19 17:53:25 +0000
committerDevang Patel <dpatel@apple.com>2012-01-19 17:53:25 +0000
commitac0f0486022fb1798579c9a550154e839770efa9 (patch)
treedb5c8126098077345abe0946c788d39456e34e94 /test/MC
parent73dd8bbce3ff54c318233027fb5e29f8298e01d6 (diff)
downloadexternal_llvm-ac0f0486022fb1798579c9a550154e839770efa9.zip
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Post process 'xor', 'or' and 'cmp' instructions and select better encoding, if available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148485 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/MC')
-rw-r--r--test/MC/X86/intel-syntax-encoding.s22
1 files changed, 22 insertions, 0 deletions
diff --git a/test/MC/X86/intel-syntax-encoding.s b/test/MC/X86/intel-syntax-encoding.s
new file mode 100644
index 0000000..0d1b2fa
--- /dev/null
+++ b/test/MC/X86/intel-syntax-encoding.s
@@ -0,0 +1,22 @@
+// RUN: llvm-mc -x86-asm-syntax=intel -triple x86_64-unknown-unknown --show-encoding %s | FileCheck %s
+
+// CHECK: encoding: [0x66,0x83,0xf0,0x0c]
+ xor ax, 12
+// CHECK: encoding: [0x83,0xf0,0x0c]
+ xor eax, 12
+// CHECK: encoding: [0x48,0x83,0xf0,0x0c]
+ xor rax, 12
+
+// CHECK: encoding: [0x66,0x83,0xc8,0x0c]
+ or ax, 12
+// CHECK: encoding: [0x83,0xc8,0x0c]
+ or eax, 12
+// CHECK: encoding: [0x48,0x83,0xc8,0x0c]
+ or rax, 12
+
+// CHECK: encoding: [0x66,0x83,0xf8,0x0c]
+ cmp ax, 12
+// CHECK: encoding: [0x83,0xf8,0x0c]
+ cmp eax, 12
+// CHECK: encoding: [0x48,0x83,0xf8,0x0c]
+ cmp rax, 12