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llvm-mirror/test/MC/Disassembler/X86/prefixes.txt
Elena Demikhovsky a8292268f5 X86Disassembler - fixed a bug in immediate print
llvm-svn: 206953
2014-04-23 07:21:04 +00:00

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# RUN: llvm-mc --disassemble %s -triple=x86_64 | FileCheck %s
# CHECK: lock
# CHECK-NEXT: orl $16, %fs:776
0xf0 0x64 0x83 0x0c 0x25 0x08 0x03 0x00 0x00 0x10
# CHECK: movq %fs:768, %rdi
0x64 0x48 0x8b 0x3c 0x25 0x00 0x03 0x00 0x00
# CHECK: rep
# CHECK-NEXT: stosq
0xf3 0x48 0xab
# CHECK: rep
# CHECK-NEXT: stosl
0xf3 0x67 0x48 0xab
# CHECK: movl 32(%rbp), %eax
0x8b 0x45 0x20
# CHECK: movl %es:32(%rbp), %eax
0x26 0x8b 0x45 0x20
# CHECK: movl %es:32(%rbp), %eax
0x2e 0x26 0x8b 0x45 0x20
# Test that multiple prefixes stack.
# (todo- the correct disassembly is actually more like "es movl %cs:32(%rbp), %eax"
# but we don't support that)
# CHECK: movl %cs:32(%rbp), %eax
0x26 0x2e 0x8b 0x45 0x20
# Test that 0xf3 as part of the opcode works.
# CHECK: cvtdq2pd (%rax), %xmm0
0xf3 0x0f 0xe6 0x00
# CHECK: pause
0xf3 0x90
# CHECK: nop
0x90
# CHECK: lock
# CHECK-NEXT: nop
0xf0 0x90
# Test that immediate is printed correctly within opsize prefix
# CHECK: addw $-12, %ax
0x66,0x83,0xc0,0xf4
# Test that multiple redundant prefixes work (redundant, but valid x86).
# CHECK: rep
# CHECK-NEXT: rep
# CHECK-NEXT: stosq
0xf3 0xf3 0x48 0xab
# Test that a prefix on it's own works. It's debatable as to if this is
# something that is considered valid, but however as LLVM's own disassembler
# has decided to disassemble prefixes as being separate opcodes, it therefore
# should be capable of re-consuming it's own output.
# CHECK: rep
0xf3
# ***IMPORTANT ^-- this must be at the end of the file to be a valid test ***