| # 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 *** |