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.
45 lines
1.0 KiB
45 lines
1.0 KiB
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro %s -o - \
|
|
# RUN: | llvm-objdump -d - | FileCheck %s
|
|
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro -mc-relax-all %s -o - \
|
|
# RUN: | llvm-objdump -d - | FileCheck %s
|
|
|
|
# Test that instructions inside bundle-locked groups are relaxed even if their
|
|
# fixup is short enough not to warrant relaxation on its own.
|
|
|
|
.text
|
|
foo:
|
|
.bundle_align_mode 4
|
|
pushq %rbp
|
|
|
|
movl %edi, %ebx
|
|
callq bar
|
|
movl %eax, %r14d
|
|
imull $17, %ebx, %ebp
|
|
movl %ebx, %edi
|
|
callq bar
|
|
cmpl %r14d, %ebp
|
|
.bundle_lock
|
|
|
|
jle .L_ELSE
|
|
# This group would've started at 0x18 and is too long, so a chunky NOP padding
|
|
# is inserted to push it to 0x20.
|
|
# CHECK: 18: {{[a-f0-9 ]+}} nopl
|
|
|
|
# The long encoding for JLE should be used here even though its target is close
|
|
# CHECK-NEXT: 20: 0f 8e
|
|
|
|
addl %ebp, %eax
|
|
|
|
jmp .L_RET
|
|
# Same for the JMP
|
|
# CHECK: 28: e9
|
|
|
|
.bundle_unlock
|
|
|
|
.L_ELSE:
|
|
imull %ebx, %eax
|
|
.L_RET:
|
|
|
|
popq %rbx
|
|
|