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 some variations of padding to the end of a bundle. 7 8 .text 9 foo: 10 .bundle_align_mode 4 11 12 # Each of these callq instructions is 5 bytes long 13 callq bar 14 callq bar 15 .bundle_lock align_to_end 16 callq bar 17 .bundle_unlock 18 # To align this group to a bundle end, we need a 1-byte NOP. 19 # CHECK: a: nop 20 # CHECK-NEXT: b: callq 21 22 callq bar 23 callq bar 24 .bundle_lock align_to_end 25 callq bar 26 callq bar 27 .bundle_unlock 28 # Here we have to pad until the end of the *next* boundary because 29 # otherwise the group crosses a boundary. 30 # CHECK: 1a: nop 31 # The nop sequence may be implemented as one instruction or many, but if 32 # it's one instruction, that instruction cannot itself cross the boundary. 33 # CHECK: 20: nop 34 # CHECK-NEXT: 26: callq 35 # CHECK-NEXT: 2b: callq 36
