1 # RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro %s -o - \ 2 # RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s 3 # RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro -mc-relax-all %s -o - \ 4 # RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s 5 6 # Test that long nops are generated for padding where possible. 7 8 .text 9 foo: 10 .bundle_align_mode 5 11 12 # This callq instruction is 5 bytes long 13 .bundle_lock align_to_end 14 callq bar 15 .bundle_unlock 16 # To align this group to a bundle end, we need a two 10-byte NOPs and a 7-byte NOP. 17 # CHECK: 0: nop 18 # CHECK-NEXT: a: nop 19 # CHECK-NEXT: 14: nop 20 # CHECK: 1b: callq 21 22 # This push instruction is 1 byte long 23 .bundle_lock align_to_end 24 push %rax 25 .bundle_unlock 26 # To align this group to a bundle end, we need three 10-byte NOPs, and a 1-byte. 27 # CHECK: 20: nop 28 # CHECK-NEXT: 2a: nop 29 # CHECK-NEXT: 34: nop 30 # CHECK-NEXT: 3e: nop 31 # CHECK-NEXT: 3f: pushq 32
