llvm-project/llvm/test/MC/X86/code16gcc-align.s

41 lines
1.3 KiB
ArmAsm

# RUN: llvm-mc -filetype=obj -triple=i386-unknown-unknown-code16 %s | llvm-objdump --triple=i386-unknown-unknown-code16 -d - | FileCheck %s
# Ensure that the "movzbl" is aligned such that the prefixes 0x67 0x66 are
# properly included in the "movz" instruction.
# CHECK-LABEL: <test>:
# CHECK: 1c: 8d b4 00 00 leaw (%si), %si
# CHECK-NEXT: 20: 66 90 nop
# CHECK-NEXT: 22: 66 89 c7 movl %eax, %edi
# CHECK-NEXT: 25: 66 31 db xorl %ebx, %ebx
# CHECK-NEXT: 28: 8d b4 00 00 leaw (%si), %si
# CHECK-NEXT: 2c: 8d b4 00 00 leaw (%si), %si
# CHECK-NEXT: 30: 67 66 0f b6 0c 1e movzbl (%esi,%ebx), %ecx
# CHECK-NEXT: 36: 66 e8 14 00 00 00 calll 0x50 <called>
# CHECK-NEXT: 3c: 8d 74 00 leaw (%si), %si
# CHECK-LABEL: <called>:
# CHECK-NEXT: 50: 90 nop
# CHECK-NEXT: 51: 66 c3 retl
.text
.code16gcc
.globl test
.p2align 4, 0x90
.type test,@function
test:
.nops 34
movl %eax, %edi
xorl %ebx, %ebx
.p2align 4, 0x90
movzbl (%esi,%ebx), %ecx
calll called
.nops 3
retl
.p2align 4, 0x90
.type called,@function
called:
.nops 1
retl