You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
1.8 KiB
75 lines
1.8 KiB
4 months ago
|
# 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 %rax, %es:(%rdi)
|
||
|
|
0xf3 0x48 0xab
|
||
|
|
|
||
|
|
# CHECK: rep
|
||
|
|
# CHECK-NEXT: stosq %rax, %es:(%edi)
|
||
|
|
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 we can disassembler control registers above CR8
|
||
|
|
# CHECK: movq %cr15, %rax
|
||
|
|
0x44 0x0f 0x20 0xf8
|
||
|
|
# CHECK: movq %dr15, %rax
|
||
|
|
0x44 0x0f 0x21 0xf8
|
||
|
|
|
||
|
|
# Test that MMX ignore REX.R and REX.B.
|
||
|
|
# CHECK: movq %mm0, %mm1
|
||
|
|
0x46 0x0f 0x7f 0xc1
|
||
|
|
|
||
|
|
# 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 ***
|