1 # RUN: llvm-mc --disassemble %s -triple=x86_64 | FileCheck %s 2 3 # CHECK: lock 4 # CHECK-NEXT: orl $16, %fs:776 5 0xf0 0x64 0x83 0x0c 0x25 0x08 0x03 0x00 0x00 0x10 6 7 # CHECK: movq %fs:768, %rdi 8 0x64 0x48 0x8b 0x3c 0x25 0x00 0x03 0x00 0x00 9 10 # CHECK: rep 11 # CHECK-NEXT: stosq %rax, %es:(%rdi) 12 0xf3 0x48 0xab 13 14 # CHECK: rep 15 # CHECK-NEXT: stosq %rax, %es:(%edi) 16 0xf3 0x67 0x48 0xab 17 18 # CHECK: movl 32(%rbp), %eax 19 0x8b 0x45 0x20 20 21 # CHECK: movl %es:32(%rbp), %eax 22 0x26 0x8b 0x45 0x20 23 24 # CHECK: movl %es:32(%rbp), %eax 25 0x2e 0x26 0x8b 0x45 0x20 26 27 # Test that multiple prefixes stack. 28 # (todo- the correct disassembly is actually more like "es movl %cs:32(%rbp), %eax" 29 # but we don't support that) 30 # CHECK: movl %cs:32(%rbp), %eax 31 0x26 0x2e 0x8b 0x45 0x20 32 33 # Test that 0xf3 as part of the opcode works. 34 # CHECK: cvtdq2pd (%rax), %xmm0 35 0xf3 0x0f 0xe6 0x00 36 37 # CHECK: pause 38 0xf3 0x90 39 40 # CHECK: nop 41 0x90 42 43 # CHECK: lock 44 # CHECK-NEXT: nop 45 0xf0 0x90 46 47 # Test that immediate is printed correctly within opsize prefix 48 # CHECK: addw $-12, %ax 49 0x66,0x83,0xc0,0xf4 50 51 # Test that multiple redundant prefixes work (redundant, but valid x86). 52 # CHECK: rep 53 # CHECK-NEXT: rep 54 # CHECK-NEXT: stosq 55 0xf3 0xf3 0x48 0xab 56 57 58 # Test that we can disassembler control registers above CR8 59 # CHECK: movq %cr15, %rax 60 0x44 0x0f 0x20 0xf8 61 # CHECK: movq %dr15, %rax 62 0x44 0x0f 0x21 0xf8 63 64 # Test that MMX ignore REX.R and REX.B. 65 # CHECK: movq %mm0, %mm1 66 0x46 0x0f 0x7f 0xc1 67 68 # Test that a prefix on it's own works. It's debatable as to if this is 69 # something that is considered valid, but however as LLVM's own disassembler 70 # has decided to disassemble prefixes as being separate opcodes, it therefore 71 # should be capable of re-consuming it's own output. 72 # CHECK: rep 73 0xf3 74 # ***IMPORTANT ^-- this must be at the end of the file to be a valid test *** 75
