115 lines
3.0 KiB
Plaintext
115 lines
3.0 KiB
Plaintext
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# RUN: llvm-mc --disassemble %s -triple=x86_64 | FileCheck %s
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# CHECK: rep insb %dx, %es:(%rdi)
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0xf3 0x6c #rep ins
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# CHECK: rep insl %dx, %es:(%rdi)
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0xf3 0x6d #rep ins
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# CHECK: rep movsb (%rsi), %es:(%rdi)
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0xf3 0xa4 #rep movs
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# CHECK: rep movsl (%rsi), %es:(%rdi)
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0xf3 0xa5 #rep movs
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# CHECK: rep outsb (%rsi), %dx
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0xf3 0x6e #rep outs
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# CHECK: rep outsl (%rsi), %dx
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0xf3 0x6f #rep outs
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# CHECK: rep lodsb (%rsi), %al
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0xf3 0xac #rep lods
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# CHECK: rep lodsl (%rsi), %eax
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0xf3 0xad #rep lods
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# CHECK: rep stosb %al, %es:(%rdi)
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0xf3 0xaa #rep stos
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# CHECK: rep stosl %eax, %es:(%rdi)
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0xf3 0xab #rep stos
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# CHECK: rep cmpsb %es:(%rdi), (%rsi)
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0xf3 0xa6 #rep cmps
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# CHECK: rep cmpsl %es:(%rdi), (%rsi)
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0xf3 0xa7 #repe cmps
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# CHECK: rep scasb %es:(%rdi), %al
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0xf3 0xae #repe scas
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# CHECK: rep scasl %es:(%rdi), %eax
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0xf3 0xaf #repe scas
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# CHECK: repne cmpsb %es:(%rdi), (%rsi)
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0xf2 0xa6 #repne cmps
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# CHECK: repne cmpsl %es:(%rdi), (%rsi)
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0xf2 0xa7 #repne cmps
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# CHECK: repne scasb %es:(%rdi), %al
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0xf2 0xae #repne scas
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# CHECK: repne scasl %es:(%rdi), %eax
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0xf2 0xaf #repne scas
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# CHECK: repne scasw %es:(%rdi), %ax
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# CHECK: repne scasw %es:(%rdi), %ax
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0x66 0xF2 0xAF 0xF2 0x66 0xAF
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# CHECK: lock
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# CHECK-NEXT: orl $16, %fs:776
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0xf0 0x64 0x83 0x0c 0x25 0x08 0x03 0x00 0x00 0x10
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# CHECK: movq %fs:768, %rdi
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0x64 0x48 0x8b 0x3c 0x25 0x00 0x03 0x00 0x00
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# CHECK: rep stosq %rax, %es:(%rdi)
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0xf3 0x48 0xab
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# CHECK: rep stosq %rax, %es:(%edi)
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0xf3 0x67 0x48 0xab
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# CHECK: movl 32(%rbp), %eax
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0x8b 0x45 0x20
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# CHECK: movl %es:32(%rbp), %eax
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0x26 0x8b 0x45 0x20
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# CHECK: movl %es:32(%rbp), %eax
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0x2e 0x26 0x8b 0x45 0x20
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# Test that multiple prefixes stack.
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# (todo- the correct disassembly is actually more like "es movl %cs:32(%rbp), %eax"
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# but we don't support that)
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# CHECK: movl %cs:32(%rbp), %eax
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0x26 0x2e 0x8b 0x45 0x20
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# Test that 0xf3 as part of the opcode works.
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# CHECK: cvtdq2pd (%rax), %xmm0
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0xf3 0x0f 0xe6 0x00
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# CHECK: pause
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0xf3 0x90
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# CHECK: nop
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0x90
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# CHECK: lock
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# CHECK-NEXT: nop
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0xf0 0x90
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# Test that immediate is printed correctly within opsize prefix
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# CHECK: addw $-12, %ax
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0x66,0x83,0xc0,0xf4
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# Test that multiple redundant prefixes work (redundant, but valid x86).
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# CHECK: rep stosq
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0xf3 0xf3 0x48 0xab
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# Test that we can disassembler control registers above CR8
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# CHECK: movq %cr15, %rax
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0x44 0x0f 0x20 0xf8
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# CHECK: movq %dr15, %rax
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0x44 0x0f 0x21 0xf8
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# Test that MMX ignore REX.R and REX.B.
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# CHECK: movq %mm0, %mm1
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0x46 0x0f 0x7f 0xc1
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# Test that lock prefix is not dropped if it's not the first prefix
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# CHECK: lock cmpxchgw %di, (%rcx)
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0x66 0xf0 0x0f 0xb1 0x39
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# Test that a prefix on it's own works. It's debatable as to if this is
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# something that is considered valid, but however as LLVM's own disassembler
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# has decided to disassemble prefixes as being separate opcodes, it therefore
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# should be capable of re-consuming it's own output.
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# CHECK: rep
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0xf3
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# ***IMPORTANT ^-- this must be at the end of the file to be a valid test ***
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