1/* memset with SSE2 and REP string.
2   Copyright (C) 2010-2021 Free Software Foundation, Inc.
3   This file is part of the GNU C Library.
4
5   The GNU C Library is free software; you can redistribute it and/or
6   modify it under the terms of the GNU Lesser General Public
7   License as published by the Free Software Foundation; either
8   version 2.1 of the License, or (at your option) any later version.
9
10   The GNU C Library is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public
16   License along with the GNU C Library; if not, see
17   <https://www.gnu.org/licenses/>.  */
18
19#if IS_IN (libc)
20
21#include <sysdep.h>
22#include "asm-syntax.h"
23
24#define CFI_PUSH(REG)						\
25  cfi_adjust_cfa_offset (4);					\
26  cfi_rel_offset (REG, 0)
27
28#define CFI_POP(REG)						\
29  cfi_adjust_cfa_offset (-4);					\
30  cfi_restore (REG)
31
32#define PUSH(REG)	pushl REG; CFI_PUSH (REG)
33#define POP(REG)	popl REG; CFI_POP (REG)
34
35#ifdef USE_AS_BZERO
36# define DEST		PARMS
37# define LEN		DEST+4
38# define SETRTNVAL
39#else
40# define DEST		PARMS
41# define CHR		DEST+4
42# define LEN		CHR+4
43# define SETRTNVAL	movl DEST(%esp), %eax
44#endif
45
46#ifdef PIC
47# define ENTRANCE	PUSH (%ebx);
48# define RETURN_END	POP (%ebx); ret
49# define RETURN		RETURN_END; CFI_PUSH (%ebx)
50# define PARMS		8		/* Preserve EBX.  */
51# define JMPTBL(I, B)	I - B
52
53/* Load an entry in a jump table into EBX and branch to it.  TABLE is a
54   jump table with relative offsets.   */
55# define BRANCH_TO_JMPTBL_ENTRY(TABLE)				\
56    /* We first load PC into EBX.  */				\
57    SETUP_PIC_REG(bx);						\
58    /* Get the address of the jump table.  */			\
59    add		$(TABLE - .), %ebx;				\
60    /* Get the entry and convert the relative offset to the	\
61       absolute address.  */					\
62    add		(%ebx,%ecx,4), %ebx;				\
63    add		%ecx, %edx;					\
64    /* We loaded the jump table and adjusted EDX. Go.  */	\
65    _CET_NOTRACK jmp *%ebx
66#else
67# define ENTRANCE
68# define RETURN_END	ret
69# define RETURN		RETURN_END
70# define PARMS		4
71# define JMPTBL(I, B)	I
72
73/* Branch to an entry in a jump table.  TABLE is a jump table with
74   absolute offsets.  */
75# define BRANCH_TO_JMPTBL_ENTRY(TABLE)				\
76    add		%ecx, %edx;					\
77    _CET_NOTRACK jmp *TABLE(,%ecx,4)
78#endif
79
80	.section .text.sse2,"ax",@progbits
81#if defined SHARED && IS_IN (libc) && !defined USE_AS_BZERO
82ENTRY (__memset_chk_sse2_rep)
83	movl	12(%esp), %eax
84	cmpl	%eax, 16(%esp)
85	jb	HIDDEN_JUMPTARGET (__chk_fail)
86END (__memset_chk_sse2_rep)
87#endif
88ENTRY (__memset_sse2_rep)
89	ENTRANCE
90
91	movl	LEN(%esp), %ecx
92#ifdef USE_AS_BZERO
93	xor	%eax, %eax
94#else
95	movzbl	CHR(%esp), %eax
96	movb	%al, %ah
97	/* Fill the whole EAX with pattern.  */
98	movl	%eax, %edx
99	shl	$16, %eax
100	or	%edx, %eax
101#endif
102	movl	DEST(%esp), %edx
103	cmp	$32, %ecx
104	jae	L(32bytesormore)
105
106L(write_less32bytes):
107	BRANCH_TO_JMPTBL_ENTRY (L(table_less_32bytes))
108
109
110	.pushsection .rodata.sse2,"a",@progbits
111	ALIGN (2)
112L(table_less_32bytes):
113	.int	JMPTBL (L(write_0bytes), L(table_less_32bytes))
114	.int	JMPTBL (L(write_1bytes), L(table_less_32bytes))
115	.int	JMPTBL (L(write_2bytes), L(table_less_32bytes))
116	.int	JMPTBL (L(write_3bytes), L(table_less_32bytes))
117	.int	JMPTBL (L(write_4bytes), L(table_less_32bytes))
118	.int	JMPTBL (L(write_5bytes), L(table_less_32bytes))
119	.int	JMPTBL (L(write_6bytes), L(table_less_32bytes))
120	.int	JMPTBL (L(write_7bytes), L(table_less_32bytes))
121	.int	JMPTBL (L(write_8bytes), L(table_less_32bytes))
122	.int	JMPTBL (L(write_9bytes), L(table_less_32bytes))
123	.int	JMPTBL (L(write_10bytes), L(table_less_32bytes))
124	.int	JMPTBL (L(write_11bytes), L(table_less_32bytes))
125	.int	JMPTBL (L(write_12bytes), L(table_less_32bytes))
126	.int	JMPTBL (L(write_13bytes), L(table_less_32bytes))
127	.int	JMPTBL (L(write_14bytes), L(table_less_32bytes))
128	.int	JMPTBL (L(write_15bytes), L(table_less_32bytes))
129	.int	JMPTBL (L(write_16bytes), L(table_less_32bytes))
130	.int	JMPTBL (L(write_17bytes), L(table_less_32bytes))
131	.int	JMPTBL (L(write_18bytes), L(table_less_32bytes))
132	.int	JMPTBL (L(write_19bytes), L(table_less_32bytes))
133	.int	JMPTBL (L(write_20bytes), L(table_less_32bytes))
134	.int	JMPTBL (L(write_21bytes), L(table_less_32bytes))
135	.int	JMPTBL (L(write_22bytes), L(table_less_32bytes))
136	.int	JMPTBL (L(write_23bytes), L(table_less_32bytes))
137	.int	JMPTBL (L(write_24bytes), L(table_less_32bytes))
138	.int	JMPTBL (L(write_25bytes), L(table_less_32bytes))
139	.int	JMPTBL (L(write_26bytes), L(table_less_32bytes))
140	.int	JMPTBL (L(write_27bytes), L(table_less_32bytes))
141	.int	JMPTBL (L(write_28bytes), L(table_less_32bytes))
142	.int	JMPTBL (L(write_29bytes), L(table_less_32bytes))
143	.int	JMPTBL (L(write_30bytes), L(table_less_32bytes))
144	.int	JMPTBL (L(write_31bytes), L(table_less_32bytes))
145	.popsection
146
147	ALIGN (4)
148L(write_28bytes):
149	movl	%eax, -28(%edx)
150L(write_24bytes):
151	movl	%eax, -24(%edx)
152L(write_20bytes):
153	movl	%eax, -20(%edx)
154L(write_16bytes):
155	movl	%eax, -16(%edx)
156L(write_12bytes):
157	movl	%eax, -12(%edx)
158L(write_8bytes):
159	movl	%eax, -8(%edx)
160L(write_4bytes):
161	movl	%eax, -4(%edx)
162L(write_0bytes):
163	SETRTNVAL
164	RETURN
165
166	ALIGN (4)
167L(write_29bytes):
168	movl	%eax, -29(%edx)
169L(write_25bytes):
170	movl	%eax, -25(%edx)
171L(write_21bytes):
172	movl	%eax, -21(%edx)
173L(write_17bytes):
174	movl	%eax, -17(%edx)
175L(write_13bytes):
176	movl	%eax, -13(%edx)
177L(write_9bytes):
178	movl	%eax, -9(%edx)
179L(write_5bytes):
180	movl	%eax, -5(%edx)
181L(write_1bytes):
182	movb	%al, -1(%edx)
183	SETRTNVAL
184	RETURN
185
186	ALIGN (4)
187L(write_30bytes):
188	movl	%eax, -30(%edx)
189L(write_26bytes):
190	movl	%eax, -26(%edx)
191L(write_22bytes):
192	movl	%eax, -22(%edx)
193L(write_18bytes):
194	movl	%eax, -18(%edx)
195L(write_14bytes):
196	movl	%eax, -14(%edx)
197L(write_10bytes):
198	movl	%eax, -10(%edx)
199L(write_6bytes):
200	movl	%eax, -6(%edx)
201L(write_2bytes):
202	movw	%ax, -2(%edx)
203	SETRTNVAL
204	RETURN
205
206	ALIGN (4)
207L(write_31bytes):
208	movl	%eax, -31(%edx)
209L(write_27bytes):
210	movl	%eax, -27(%edx)
211L(write_23bytes):
212	movl	%eax, -23(%edx)
213L(write_19bytes):
214	movl	%eax, -19(%edx)
215L(write_15bytes):
216	movl	%eax, -15(%edx)
217L(write_11bytes):
218	movl	%eax, -11(%edx)
219L(write_7bytes):
220	movl	%eax, -7(%edx)
221L(write_3bytes):
222	movw	%ax, -3(%edx)
223	movb	%al, -1(%edx)
224	SETRTNVAL
225	RETURN
226
227	ALIGN (4)
228/* ECX > 32 and EDX is 4 byte aligned.  */
229L(32bytesormore):
230	/* Fill xmm0 with the pattern.  */
231#ifdef USE_AS_BZERO
232	pxor	%xmm0, %xmm0
233#else
234	movd	%eax, %xmm0
235	pshufd	$0, %xmm0, %xmm0
236#endif
237	testl	$0xf, %edx
238	jz	L(aligned_16)
239/* ECX > 32 and EDX is not 16 byte aligned.  */
240L(not_aligned_16):
241	movdqu	%xmm0, (%edx)
242	movl	%edx, %eax
243	and	$-16, %edx
244	add	$16, %edx
245	sub	%edx, %eax
246	add	%eax, %ecx
247	movd	%xmm0, %eax
248
249	ALIGN (4)
250L(aligned_16):
251	cmp	$128, %ecx
252	jae	L(128bytesormore)
253
254L(aligned_16_less128bytes):
255	BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
256
257	ALIGN (4)
258L(128bytesormore):
259	PUSH (%edi)
260#ifdef DATA_CACHE_SIZE
261	PUSH (%ebx)
262	mov	$DATA_CACHE_SIZE, %ebx
263#else
264# ifdef PIC
265	SETUP_PIC_REG(bx)
266	add	$_GLOBAL_OFFSET_TABLE_, %ebx
267	mov	__x86_data_cache_size@GOTOFF(%ebx), %ebx
268# else
269	PUSH (%ebx)
270	mov	__x86_data_cache_size, %ebx
271# endif
272#endif
273	mov	%ebx, %edi
274	shr	$4, %ebx
275	sub	%ebx, %edi
276#if defined DATA_CACHE_SIZE || !defined PIC
277	POP (%ebx)
278#endif
279/*
280 * When data size approximate the end of L1 cache,
281 * fast string will prefetch and combine data efficiently.
282 */
283	cmp	%edi, %ecx
284	jae	L(128bytesormore_endof_L1)
285	subl	$128, %ecx
286L(128bytesormore_normal):
287	sub	$128, %ecx
288	movdqa	%xmm0, (%edx)
289	movdqa	%xmm0, 0x10(%edx)
290	movdqa	%xmm0, 0x20(%edx)
291	movdqa	%xmm0, 0x30(%edx)
292	movdqa	%xmm0, 0x40(%edx)
293	movdqa	%xmm0, 0x50(%edx)
294	movdqa	%xmm0, 0x60(%edx)
295	movdqa	%xmm0, 0x70(%edx)
296	lea	128(%edx), %edx
297	jb	L(128bytesless_normal)
298
299
300	sub	$128, %ecx
301	movdqa	%xmm0, (%edx)
302	movdqa	%xmm0, 0x10(%edx)
303	movdqa	%xmm0, 0x20(%edx)
304	movdqa	%xmm0, 0x30(%edx)
305	movdqa	%xmm0, 0x40(%edx)
306	movdqa	%xmm0, 0x50(%edx)
307	movdqa	%xmm0, 0x60(%edx)
308	movdqa	%xmm0, 0x70(%edx)
309	lea	128(%edx), %edx
310	jae	L(128bytesormore_normal)
311
312L(128bytesless_normal):
313	POP (%edi)
314	add	$128, %ecx
315	BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
316
317	CFI_PUSH (%edi)
318	ALIGN (4)
319L(128bytesormore_endof_L1):
320	mov	%edx, %edi
321	mov	%ecx, %edx
322	shr	$2, %ecx
323	and	$3, %edx
324	rep stosl
325	jz	L(copy_page_by_rep_exit)
326	cmp	$2, %edx
327	jb	L(copy_page_by_rep_left_1)
328	movw	%ax, (%edi)
329	add	$2, %edi
330	sub	$2, %edx
331	jz	L(copy_page_by_rep_exit)
332L(copy_page_by_rep_left_1):
333	movb	%al, (%edi)
334L(copy_page_by_rep_exit):
335	POP (%edi)
336	SETRTNVAL
337	RETURN
338
339	.pushsection .rodata.sse2,"a",@progbits
340	ALIGN (2)
341L(table_16_128bytes):
342	.int	JMPTBL (L(aligned_16_0bytes), L(table_16_128bytes))
343	.int	JMPTBL (L(aligned_16_1bytes), L(table_16_128bytes))
344	.int	JMPTBL (L(aligned_16_2bytes), L(table_16_128bytes))
345	.int	JMPTBL (L(aligned_16_3bytes), L(table_16_128bytes))
346	.int	JMPTBL (L(aligned_16_4bytes), L(table_16_128bytes))
347	.int	JMPTBL (L(aligned_16_5bytes), L(table_16_128bytes))
348	.int	JMPTBL (L(aligned_16_6bytes), L(table_16_128bytes))
349	.int	JMPTBL (L(aligned_16_7bytes), L(table_16_128bytes))
350	.int	JMPTBL (L(aligned_16_8bytes), L(table_16_128bytes))
351	.int	JMPTBL (L(aligned_16_9bytes), L(table_16_128bytes))
352	.int	JMPTBL (L(aligned_16_10bytes), L(table_16_128bytes))
353	.int	JMPTBL (L(aligned_16_11bytes), L(table_16_128bytes))
354	.int	JMPTBL (L(aligned_16_12bytes), L(table_16_128bytes))
355	.int	JMPTBL (L(aligned_16_13bytes), L(table_16_128bytes))
356	.int	JMPTBL (L(aligned_16_14bytes), L(table_16_128bytes))
357	.int	JMPTBL (L(aligned_16_15bytes), L(table_16_128bytes))
358	.int	JMPTBL (L(aligned_16_16bytes), L(table_16_128bytes))
359	.int	JMPTBL (L(aligned_16_17bytes), L(table_16_128bytes))
360	.int	JMPTBL (L(aligned_16_18bytes), L(table_16_128bytes))
361	.int	JMPTBL (L(aligned_16_19bytes), L(table_16_128bytes))
362	.int	JMPTBL (L(aligned_16_20bytes), L(table_16_128bytes))
363	.int	JMPTBL (L(aligned_16_21bytes), L(table_16_128bytes))
364	.int	JMPTBL (L(aligned_16_22bytes), L(table_16_128bytes))
365	.int	JMPTBL (L(aligned_16_23bytes), L(table_16_128bytes))
366	.int	JMPTBL (L(aligned_16_24bytes), L(table_16_128bytes))
367	.int	JMPTBL (L(aligned_16_25bytes), L(table_16_128bytes))
368	.int	JMPTBL (L(aligned_16_26bytes), L(table_16_128bytes))
369	.int	JMPTBL (L(aligned_16_27bytes), L(table_16_128bytes))
370	.int	JMPTBL (L(aligned_16_28bytes), L(table_16_128bytes))
371	.int	JMPTBL (L(aligned_16_29bytes), L(table_16_128bytes))
372	.int	JMPTBL (L(aligned_16_30bytes), L(table_16_128bytes))
373	.int	JMPTBL (L(aligned_16_31bytes), L(table_16_128bytes))
374	.int	JMPTBL (L(aligned_16_32bytes), L(table_16_128bytes))
375	.int	JMPTBL (L(aligned_16_33bytes), L(table_16_128bytes))
376	.int	JMPTBL (L(aligned_16_34bytes), L(table_16_128bytes))
377	.int	JMPTBL (L(aligned_16_35bytes), L(table_16_128bytes))
378	.int	JMPTBL (L(aligned_16_36bytes), L(table_16_128bytes))
379	.int	JMPTBL (L(aligned_16_37bytes), L(table_16_128bytes))
380	.int	JMPTBL (L(aligned_16_38bytes), L(table_16_128bytes))
381	.int	JMPTBL (L(aligned_16_39bytes), L(table_16_128bytes))
382	.int	JMPTBL (L(aligned_16_40bytes), L(table_16_128bytes))
383	.int	JMPTBL (L(aligned_16_41bytes), L(table_16_128bytes))
384	.int	JMPTBL (L(aligned_16_42bytes), L(table_16_128bytes))
385	.int	JMPTBL (L(aligned_16_43bytes), L(table_16_128bytes))
386	.int	JMPTBL (L(aligned_16_44bytes), L(table_16_128bytes))
387	.int	JMPTBL (L(aligned_16_45bytes), L(table_16_128bytes))
388	.int	JMPTBL (L(aligned_16_46bytes), L(table_16_128bytes))
389	.int	JMPTBL (L(aligned_16_47bytes), L(table_16_128bytes))
390	.int	JMPTBL (L(aligned_16_48bytes), L(table_16_128bytes))
391	.int	JMPTBL (L(aligned_16_49bytes), L(table_16_128bytes))
392	.int	JMPTBL (L(aligned_16_50bytes), L(table_16_128bytes))
393	.int	JMPTBL (L(aligned_16_51bytes), L(table_16_128bytes))
394	.int	JMPTBL (L(aligned_16_52bytes), L(table_16_128bytes))
395	.int	JMPTBL (L(aligned_16_53bytes), L(table_16_128bytes))
396	.int	JMPTBL (L(aligned_16_54bytes), L(table_16_128bytes))
397	.int	JMPTBL (L(aligned_16_55bytes), L(table_16_128bytes))
398	.int	JMPTBL (L(aligned_16_56bytes), L(table_16_128bytes))
399	.int	JMPTBL (L(aligned_16_57bytes), L(table_16_128bytes))
400	.int	JMPTBL (L(aligned_16_58bytes), L(table_16_128bytes))
401	.int	JMPTBL (L(aligned_16_59bytes), L(table_16_128bytes))
402	.int	JMPTBL (L(aligned_16_60bytes), L(table_16_128bytes))
403	.int	JMPTBL (L(aligned_16_61bytes), L(table_16_128bytes))
404	.int	JMPTBL (L(aligned_16_62bytes), L(table_16_128bytes))
405	.int	JMPTBL (L(aligned_16_63bytes), L(table_16_128bytes))
406	.int	JMPTBL (L(aligned_16_64bytes), L(table_16_128bytes))
407	.int	JMPTBL (L(aligned_16_65bytes), L(table_16_128bytes))
408	.int	JMPTBL (L(aligned_16_66bytes), L(table_16_128bytes))
409	.int	JMPTBL (L(aligned_16_67bytes), L(table_16_128bytes))
410	.int	JMPTBL (L(aligned_16_68bytes), L(table_16_128bytes))
411	.int	JMPTBL (L(aligned_16_69bytes), L(table_16_128bytes))
412	.int	JMPTBL (L(aligned_16_70bytes), L(table_16_128bytes))
413	.int	JMPTBL (L(aligned_16_71bytes), L(table_16_128bytes))
414	.int	JMPTBL (L(aligned_16_72bytes), L(table_16_128bytes))
415	.int	JMPTBL (L(aligned_16_73bytes), L(table_16_128bytes))
416	.int	JMPTBL (L(aligned_16_74bytes), L(table_16_128bytes))
417	.int	JMPTBL (L(aligned_16_75bytes), L(table_16_128bytes))
418	.int	JMPTBL (L(aligned_16_76bytes), L(table_16_128bytes))
419	.int	JMPTBL (L(aligned_16_77bytes), L(table_16_128bytes))
420	.int	JMPTBL (L(aligned_16_78bytes), L(table_16_128bytes))
421	.int	JMPTBL (L(aligned_16_79bytes), L(table_16_128bytes))
422	.int	JMPTBL (L(aligned_16_80bytes), L(table_16_128bytes))
423	.int	JMPTBL (L(aligned_16_81bytes), L(table_16_128bytes))
424	.int	JMPTBL (L(aligned_16_82bytes), L(table_16_128bytes))
425	.int	JMPTBL (L(aligned_16_83bytes), L(table_16_128bytes))
426	.int	JMPTBL (L(aligned_16_84bytes), L(table_16_128bytes))
427	.int	JMPTBL (L(aligned_16_85bytes), L(table_16_128bytes))
428	.int	JMPTBL (L(aligned_16_86bytes), L(table_16_128bytes))
429	.int	JMPTBL (L(aligned_16_87bytes), L(table_16_128bytes))
430	.int	JMPTBL (L(aligned_16_88bytes), L(table_16_128bytes))
431	.int	JMPTBL (L(aligned_16_89bytes), L(table_16_128bytes))
432	.int	JMPTBL (L(aligned_16_90bytes), L(table_16_128bytes))
433	.int	JMPTBL (L(aligned_16_91bytes), L(table_16_128bytes))
434	.int	JMPTBL (L(aligned_16_92bytes), L(table_16_128bytes))
435	.int	JMPTBL (L(aligned_16_93bytes), L(table_16_128bytes))
436	.int	JMPTBL (L(aligned_16_94bytes), L(table_16_128bytes))
437	.int	JMPTBL (L(aligned_16_95bytes), L(table_16_128bytes))
438	.int	JMPTBL (L(aligned_16_96bytes), L(table_16_128bytes))
439	.int	JMPTBL (L(aligned_16_97bytes), L(table_16_128bytes))
440	.int	JMPTBL (L(aligned_16_98bytes), L(table_16_128bytes))
441	.int	JMPTBL (L(aligned_16_99bytes), L(table_16_128bytes))
442	.int	JMPTBL (L(aligned_16_100bytes), L(table_16_128bytes))
443	.int	JMPTBL (L(aligned_16_101bytes), L(table_16_128bytes))
444	.int	JMPTBL (L(aligned_16_102bytes), L(table_16_128bytes))
445	.int	JMPTBL (L(aligned_16_103bytes), L(table_16_128bytes))
446	.int	JMPTBL (L(aligned_16_104bytes), L(table_16_128bytes))
447	.int	JMPTBL (L(aligned_16_105bytes), L(table_16_128bytes))
448	.int	JMPTBL (L(aligned_16_106bytes), L(table_16_128bytes))
449	.int	JMPTBL (L(aligned_16_107bytes), L(table_16_128bytes))
450	.int	JMPTBL (L(aligned_16_108bytes), L(table_16_128bytes))
451	.int	JMPTBL (L(aligned_16_109bytes), L(table_16_128bytes))
452	.int	JMPTBL (L(aligned_16_110bytes), L(table_16_128bytes))
453	.int	JMPTBL (L(aligned_16_111bytes), L(table_16_128bytes))
454	.int	JMPTBL (L(aligned_16_112bytes), L(table_16_128bytes))
455	.int	JMPTBL (L(aligned_16_113bytes), L(table_16_128bytes))
456	.int	JMPTBL (L(aligned_16_114bytes), L(table_16_128bytes))
457	.int	JMPTBL (L(aligned_16_115bytes), L(table_16_128bytes))
458	.int	JMPTBL (L(aligned_16_116bytes), L(table_16_128bytes))
459	.int	JMPTBL (L(aligned_16_117bytes), L(table_16_128bytes))
460	.int	JMPTBL (L(aligned_16_118bytes), L(table_16_128bytes))
461	.int	JMPTBL (L(aligned_16_119bytes), L(table_16_128bytes))
462	.int	JMPTBL (L(aligned_16_120bytes), L(table_16_128bytes))
463	.int	JMPTBL (L(aligned_16_121bytes), L(table_16_128bytes))
464	.int	JMPTBL (L(aligned_16_122bytes), L(table_16_128bytes))
465	.int	JMPTBL (L(aligned_16_123bytes), L(table_16_128bytes))
466	.int	JMPTBL (L(aligned_16_124bytes), L(table_16_128bytes))
467	.int	JMPTBL (L(aligned_16_125bytes), L(table_16_128bytes))
468	.int	JMPTBL (L(aligned_16_126bytes), L(table_16_128bytes))
469	.int	JMPTBL (L(aligned_16_127bytes), L(table_16_128bytes))
470	.popsection
471
472	ALIGN (4)
473L(aligned_16_112bytes):
474	movdqa	%xmm0, -112(%edx)
475L(aligned_16_96bytes):
476	movdqa	%xmm0, -96(%edx)
477L(aligned_16_80bytes):
478	movdqa	%xmm0, -80(%edx)
479L(aligned_16_64bytes):
480	movdqa	%xmm0, -64(%edx)
481L(aligned_16_48bytes):
482	movdqa	%xmm0, -48(%edx)
483L(aligned_16_32bytes):
484	movdqa	%xmm0, -32(%edx)
485L(aligned_16_16bytes):
486	movdqa	%xmm0, -16(%edx)
487L(aligned_16_0bytes):
488	SETRTNVAL
489	RETURN
490
491	ALIGN (4)
492L(aligned_16_113bytes):
493	movdqa	%xmm0, -113(%edx)
494L(aligned_16_97bytes):
495	movdqa	%xmm0, -97(%edx)
496L(aligned_16_81bytes):
497	movdqa	%xmm0, -81(%edx)
498L(aligned_16_65bytes):
499	movdqa	%xmm0, -65(%edx)
500L(aligned_16_49bytes):
501	movdqa	%xmm0, -49(%edx)
502L(aligned_16_33bytes):
503	movdqa	%xmm0, -33(%edx)
504L(aligned_16_17bytes):
505	movdqa	%xmm0, -17(%edx)
506L(aligned_16_1bytes):
507	movb	%al, -1(%edx)
508	SETRTNVAL
509	RETURN
510
511	ALIGN (4)
512L(aligned_16_114bytes):
513	movdqa	%xmm0, -114(%edx)
514L(aligned_16_98bytes):
515	movdqa	%xmm0, -98(%edx)
516L(aligned_16_82bytes):
517	movdqa	%xmm0, -82(%edx)
518L(aligned_16_66bytes):
519	movdqa	%xmm0, -66(%edx)
520L(aligned_16_50bytes):
521	movdqa	%xmm0, -50(%edx)
522L(aligned_16_34bytes):
523	movdqa	%xmm0, -34(%edx)
524L(aligned_16_18bytes):
525	movdqa	%xmm0, -18(%edx)
526L(aligned_16_2bytes):
527	movw	%ax, -2(%edx)
528	SETRTNVAL
529	RETURN
530
531	ALIGN (4)
532L(aligned_16_115bytes):
533	movdqa	%xmm0, -115(%edx)
534L(aligned_16_99bytes):
535	movdqa	%xmm0, -99(%edx)
536L(aligned_16_83bytes):
537	movdqa	%xmm0, -83(%edx)
538L(aligned_16_67bytes):
539	movdqa	%xmm0, -67(%edx)
540L(aligned_16_51bytes):
541	movdqa	%xmm0, -51(%edx)
542L(aligned_16_35bytes):
543	movdqa	%xmm0, -35(%edx)
544L(aligned_16_19bytes):
545	movdqa	%xmm0, -19(%edx)
546L(aligned_16_3bytes):
547	movw	%ax, -3(%edx)
548	movb	%al, -1(%edx)
549	SETRTNVAL
550	RETURN
551
552	ALIGN (4)
553L(aligned_16_116bytes):
554	movdqa	%xmm0, -116(%edx)
555L(aligned_16_100bytes):
556	movdqa	%xmm0, -100(%edx)
557L(aligned_16_84bytes):
558	movdqa	%xmm0, -84(%edx)
559L(aligned_16_68bytes):
560	movdqa	%xmm0, -68(%edx)
561L(aligned_16_52bytes):
562	movdqa	%xmm0, -52(%edx)
563L(aligned_16_36bytes):
564	movdqa	%xmm0, -36(%edx)
565L(aligned_16_20bytes):
566	movdqa	%xmm0, -20(%edx)
567L(aligned_16_4bytes):
568	movl	%eax, -4(%edx)
569	SETRTNVAL
570	RETURN
571
572	ALIGN (4)
573L(aligned_16_117bytes):
574	movdqa	%xmm0, -117(%edx)
575L(aligned_16_101bytes):
576	movdqa	%xmm0, -101(%edx)
577L(aligned_16_85bytes):
578	movdqa	%xmm0, -85(%edx)
579L(aligned_16_69bytes):
580	movdqa	%xmm0, -69(%edx)
581L(aligned_16_53bytes):
582	movdqa	%xmm0, -53(%edx)
583L(aligned_16_37bytes):
584	movdqa	%xmm0, -37(%edx)
585L(aligned_16_21bytes):
586	movdqa	%xmm0, -21(%edx)
587L(aligned_16_5bytes):
588	movl	%eax, -5(%edx)
589	movb	%al, -1(%edx)
590	SETRTNVAL
591	RETURN
592
593	ALIGN (4)
594L(aligned_16_118bytes):
595	movdqa	%xmm0, -118(%edx)
596L(aligned_16_102bytes):
597	movdqa	%xmm0, -102(%edx)
598L(aligned_16_86bytes):
599	movdqa	%xmm0, -86(%edx)
600L(aligned_16_70bytes):
601	movdqa	%xmm0, -70(%edx)
602L(aligned_16_54bytes):
603	movdqa	%xmm0, -54(%edx)
604L(aligned_16_38bytes):
605	movdqa	%xmm0, -38(%edx)
606L(aligned_16_22bytes):
607	movdqa	%xmm0, -22(%edx)
608L(aligned_16_6bytes):
609	movl	%eax, -6(%edx)
610	movw	%ax, -2(%edx)
611	SETRTNVAL
612	RETURN
613
614	ALIGN (4)
615L(aligned_16_119bytes):
616	movdqa	%xmm0, -119(%edx)
617L(aligned_16_103bytes):
618	movdqa	%xmm0, -103(%edx)
619L(aligned_16_87bytes):
620	movdqa	%xmm0, -87(%edx)
621L(aligned_16_71bytes):
622	movdqa	%xmm0, -71(%edx)
623L(aligned_16_55bytes):
624	movdqa	%xmm0, -55(%edx)
625L(aligned_16_39bytes):
626	movdqa	%xmm0, -39(%edx)
627L(aligned_16_23bytes):
628	movdqa	%xmm0, -23(%edx)
629L(aligned_16_7bytes):
630	movl	%eax, -7(%edx)
631	movw	%ax, -3(%edx)
632	movb	%al, -1(%edx)
633	SETRTNVAL
634	RETURN
635
636	ALIGN (4)
637L(aligned_16_120bytes):
638	movdqa	%xmm0, -120(%edx)
639L(aligned_16_104bytes):
640	movdqa	%xmm0, -104(%edx)
641L(aligned_16_88bytes):
642	movdqa	%xmm0, -88(%edx)
643L(aligned_16_72bytes):
644	movdqa	%xmm0, -72(%edx)
645L(aligned_16_56bytes):
646	movdqa	%xmm0, -56(%edx)
647L(aligned_16_40bytes):
648	movdqa	%xmm0, -40(%edx)
649L(aligned_16_24bytes):
650	movdqa	%xmm0, -24(%edx)
651L(aligned_16_8bytes):
652	movq	%xmm0, -8(%edx)
653	SETRTNVAL
654	RETURN
655
656	ALIGN (4)
657L(aligned_16_121bytes):
658	movdqa	%xmm0, -121(%edx)
659L(aligned_16_105bytes):
660	movdqa	%xmm0, -105(%edx)
661L(aligned_16_89bytes):
662	movdqa	%xmm0, -89(%edx)
663L(aligned_16_73bytes):
664	movdqa	%xmm0, -73(%edx)
665L(aligned_16_57bytes):
666	movdqa	%xmm0, -57(%edx)
667L(aligned_16_41bytes):
668	movdqa	%xmm0, -41(%edx)
669L(aligned_16_25bytes):
670	movdqa	%xmm0, -25(%edx)
671L(aligned_16_9bytes):
672	movq	%xmm0, -9(%edx)
673	movb	%al, -1(%edx)
674	SETRTNVAL
675	RETURN
676
677	ALIGN (4)
678L(aligned_16_122bytes):
679	movdqa	%xmm0, -122(%edx)
680L(aligned_16_106bytes):
681	movdqa	%xmm0, -106(%edx)
682L(aligned_16_90bytes):
683	movdqa	%xmm0, -90(%edx)
684L(aligned_16_74bytes):
685	movdqa	%xmm0, -74(%edx)
686L(aligned_16_58bytes):
687	movdqa	%xmm0, -58(%edx)
688L(aligned_16_42bytes):
689	movdqa	%xmm0, -42(%edx)
690L(aligned_16_26bytes):
691	movdqa	%xmm0, -26(%edx)
692L(aligned_16_10bytes):
693	movq	%xmm0, -10(%edx)
694	movw	%ax, -2(%edx)
695	SETRTNVAL
696	RETURN
697
698	ALIGN (4)
699L(aligned_16_123bytes):
700	movdqa	%xmm0, -123(%edx)
701L(aligned_16_107bytes):
702	movdqa	%xmm0, -107(%edx)
703L(aligned_16_91bytes):
704	movdqa	%xmm0, -91(%edx)
705L(aligned_16_75bytes):
706	movdqa	%xmm0, -75(%edx)
707L(aligned_16_59bytes):
708	movdqa	%xmm0, -59(%edx)
709L(aligned_16_43bytes):
710	movdqa	%xmm0, -43(%edx)
711L(aligned_16_27bytes):
712	movdqa	%xmm0, -27(%edx)
713L(aligned_16_11bytes):
714	movq	%xmm0, -11(%edx)
715	movw	%ax, -3(%edx)
716	movb	%al, -1(%edx)
717	SETRTNVAL
718	RETURN
719
720	ALIGN (4)
721L(aligned_16_124bytes):
722	movdqa	%xmm0, -124(%edx)
723L(aligned_16_108bytes):
724	movdqa	%xmm0, -108(%edx)
725L(aligned_16_92bytes):
726	movdqa	%xmm0, -92(%edx)
727L(aligned_16_76bytes):
728	movdqa	%xmm0, -76(%edx)
729L(aligned_16_60bytes):
730	movdqa	%xmm0, -60(%edx)
731L(aligned_16_44bytes):
732	movdqa	%xmm0, -44(%edx)
733L(aligned_16_28bytes):
734	movdqa	%xmm0, -28(%edx)
735L(aligned_16_12bytes):
736	movq	%xmm0, -12(%edx)
737	movl	%eax, -4(%edx)
738	SETRTNVAL
739	RETURN
740
741	ALIGN (4)
742L(aligned_16_125bytes):
743	movdqa	%xmm0, -125(%edx)
744L(aligned_16_109bytes):
745	movdqa	%xmm0, -109(%edx)
746L(aligned_16_93bytes):
747	movdqa	%xmm0, -93(%edx)
748L(aligned_16_77bytes):
749	movdqa	%xmm0, -77(%edx)
750L(aligned_16_61bytes):
751	movdqa	%xmm0, -61(%edx)
752L(aligned_16_45bytes):
753	movdqa	%xmm0, -45(%edx)
754L(aligned_16_29bytes):
755	movdqa	%xmm0, -29(%edx)
756L(aligned_16_13bytes):
757	movq	%xmm0, -13(%edx)
758	movl	%eax, -5(%edx)
759	movb	%al, -1(%edx)
760	SETRTNVAL
761	RETURN
762
763	ALIGN (4)
764L(aligned_16_126bytes):
765	movdqa	%xmm0, -126(%edx)
766L(aligned_16_110bytes):
767	movdqa	%xmm0, -110(%edx)
768L(aligned_16_94bytes):
769	movdqa	%xmm0, -94(%edx)
770L(aligned_16_78bytes):
771	movdqa	%xmm0, -78(%edx)
772L(aligned_16_62bytes):
773	movdqa	%xmm0, -62(%edx)
774L(aligned_16_46bytes):
775	movdqa	%xmm0, -46(%edx)
776L(aligned_16_30bytes):
777	movdqa	%xmm0, -30(%edx)
778L(aligned_16_14bytes):
779	movq	%xmm0, -14(%edx)
780	movl	%eax, -6(%edx)
781	movw	%ax, -2(%edx)
782	SETRTNVAL
783	RETURN
784
785	ALIGN (4)
786L(aligned_16_127bytes):
787	movdqa	%xmm0, -127(%edx)
788L(aligned_16_111bytes):
789	movdqa	%xmm0, -111(%edx)
790L(aligned_16_95bytes):
791	movdqa	%xmm0, -95(%edx)
792L(aligned_16_79bytes):
793	movdqa	%xmm0, -79(%edx)
794L(aligned_16_63bytes):
795	movdqa	%xmm0, -63(%edx)
796L(aligned_16_47bytes):
797	movdqa	%xmm0, -47(%edx)
798L(aligned_16_31bytes):
799	movdqa	%xmm0, -31(%edx)
800L(aligned_16_15bytes):
801	movq	%xmm0, -15(%edx)
802	movl	%eax, -7(%edx)
803	movw	%ax, -3(%edx)
804	movb	%al, -1(%edx)
805	SETRTNVAL
806	RETURN_END
807
808END (__memset_sse2_rep)
809
810#endif
811