1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro %s -o - \
# RUN: | llvm-objdump -d --no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro -mc-relax-all %s -o - \
# RUN: | llvm-objdump -d --no-show-raw-insn - | FileCheck %s
# Test some variations of padding to the end of a bundle.
.text
foo:
.bundle_align_mode 4
# Each of these callq instructions is 5 bytes long
callq bar
callq bar
.bundle_lock align_to_end
callq bar
.bundle_unlock
# To align this group to a bundle end, we need a 1-byte NOP.
# CHECK: a: nop
# CHECK-NEXT: b: callq
callq bar
callq bar
.bundle_lock align_to_end
callq bar
callq bar
.bundle_unlock
# Here we have to pad until the end of the *next* boundary because
# otherwise the group crosses a boundary.
# CHECK: 1a: nop
# The nop sequence may be implemented as one instruction or many, but if
# it's one instruction, that instruction cannot itself cross the boundary.
# CHECK: 20: nop
# CHECK-NEXT: 26: callq
# CHECK-NEXT: 2b: callq
|
