xref: /llvm-project/llvm/test/MC/X86/code16gcc-align.s (revision ea222be0d9266d9d5c100496f8c9606f213454ee)
1# RUN: llvm-mc -filetype=obj -triple=i386-unknown-unknown-code16 %s | llvm-objdump --triple=i386-unknown-unknown-code16 -d - | FileCheck %s
2
3# Ensure that the "movzbl" is aligned such that the prefixes 0x67 0x66 are
4# properly included in the "movz" instruction.
5
6# CHECK-LABEL: <test>:
7# CHECK:           1c: 8d b4 00 00                  	leaw	(%si), %si
8# CHECK-NEXT:      20: 66 90                        	nop
9# CHECK-NEXT:      22: 66 89 c7                     	movl	%eax, %edi
10# CHECK-NEXT:      25: 66 31 db                     	xorl	%ebx, %ebx
11# CHECK-NEXT:      28: 8d b4 00 00                  	leaw	(%si), %si
12# CHECK-NEXT:      2c: 8d b4 00 00                      leaw	(%si), %si
13# CHECK-NEXT:      30: 67 66 0f b6 0c 1e            	movzbl	(%esi,%ebx), %ecx
14# CHECK-NEXT:      36: 66 e8 14 00 00 00            	calll	0x50 <called>
15# CHECK-NEXT:      3c: 8d 74 00                     	leaw	(%si), %si
16
17# CHECK-LABEL: <called>:
18# CHECK-NEXT:      50: 90                           	nop
19# CHECK-NEXT:      51: 66 c3                        	retl
20
21	.text
22	.code16gcc
23	.globl	test
24	.p2align	4
25	.type	test,@function
26test:
27	.nops	34
28	movl	%eax, %edi
29	xorl	%ebx, %ebx
30	.p2align	4
31	movzbl	(%esi,%ebx), %ecx
32	calll	called
33	.nops	3
34	retl
35
36	.p2align	4
37	.type	called,@function
38called:
39	.nops	1
40	retl
41