summary refs log tree commit diff
path: root/sysdeps/i386/i686/multiarch/strcmp-sse4.S
blob: 7177205d0fd3eecd2a9b215540ff69efdd17f33b (plain) (blame)
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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
/* strcmp with SSE4.2
   Copyright (C) 2010-2013 Free Software Foundation, Inc.
   Contributed by Intel Corporation.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#ifndef NOT_IN_libc

#include <sysdep.h>
#include "asm-syntax.h"

#define CFI_PUSH(REG)						\
  cfi_adjust_cfa_offset (4);					\
  cfi_rel_offset (REG, 0)

#define CFI_POP(REG)						\
  cfi_adjust_cfa_offset (-4);					\
  cfi_restore (REG)

#define PUSH(REG)	pushl REG; CFI_PUSH (REG)
#define POP(REG)	popl REG; CFI_POP (REG)

#ifdef USE_AS_STRNCMP
# ifndef STRCMP
#  define STRCMP	__strncmp_sse4_2
# endif
# define STR1		8
# define STR2		STR1+4
# define CNT		STR2+4
# define RETURN		POP (REM); ret; .p2align 4; CFI_PUSH (REM)
# define REM		%ebp
#elif defined USE_AS_STRCASECMP_L
# include "locale-defines.h"
# ifndef STRCMP
#  define STRCMP	__strcasecmp_l_sse4_2
# endif
# ifdef PIC
#  define STR1		12
# else
#  define STR1		8
# endif
# define STR2		STR1+4
# define LOCALE		12	/* Loaded before the adjustement.  */
# ifdef PIC
#  define RETURN	POP (%edi); POP (%ebx); ret; \
			.p2align 4; CFI_PUSH (%ebx); CFI_PUSH (%edi)
# else
#  define RETURN	POP (%edi); ret; .p2align 4; CFI_PUSH (%edi)
# endif
# define NONASCII	__strcasecmp_nonascii
#elif defined USE_AS_STRNCASECMP_L
# include "locale-defines.h"
# ifndef STRCMP
#  define STRCMP	__strncasecmp_l_sse4_2
# endif
# ifdef PIC
#  define STR1		16
# else
#  define STR1		12
# endif
# define STR2		STR1+4
# define CNT		STR2+4
# define LOCALE		16	/* Loaded before the adjustement.  */
# ifdef PIC
#  define RETURN	POP (%edi); POP (REM); POP (%ebx); ret; \
			.p2align 4; \
			CFI_PUSH (%ebx); CFI_PUSH (REM); CFI_PUSH (%edi)
# else
#  define RETURN	POP (%edi); POP (REM); ret; \
			.p2align 4; CFI_PUSH (REM); CFI_PUSH (%edi)
# endif
# define REM		%ebp
# define NONASCII	__strncasecmp_nonascii
#else
# ifndef STRCMP
#  define STRCMP	__strcmp_sse4_2
# endif
# define STR1		4
# define STR2		STR1+4
# define RETURN		ret; .p2align 4
#endif

	.section .text.sse4.2,"ax",@progbits

#ifdef USE_AS_STRCASECMP_L
ENTRY (__strcasecmp_sse4_2)
# ifdef PIC
	PUSH	(%ebx)
	LOAD_PIC_REG(bx)
	movl	__libc_tsd_LOCALE@GOTNTPOFF(%ebx), %eax
#  ifdef NO_TLS_DIRECT_SEG_REFS
	addl	%gs:0, %eax
	movl	(%eax), %eax
#  else
	movl	%gs:(%eax), %eax
#  endif
# else
#  ifdef NO_TLS_DIRECT_SEG_REFS
	movl	%gs:0, %eax
	movl	__libc_tsd_LOCALE@NTPOFF(%eax), %eax
#  else
	movl	%gs:__libc_tsd_LOCALE@NTPOFF, %eax
#  endif
# endif
# if LOCALE_T___LOCALES != 0 || LC_CTYPE != 0
	movl	LOCALE_T___LOCALES+LC_CTYPE*4(%eax), %eax
# else
	movl	(%eax), %eax
# endif
	testl	$1, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%eax)
	jne	__strcasecmp_nonascii
	jmp	L(ascii)
END (__strcasecmp_sse4_2)
#endif

#ifdef USE_AS_STRNCASECMP_L
ENTRY (__strncasecmp_sse4_2)
# ifdef PIC
	PUSH	(%ebx)
	LOAD_PIC_REG(bx)
	movl	__libc_tsd_LOCALE@GOTNTPOFF(%ebx), %eax
#  ifdef NO_TLS_DIRECT_SEG_REFS
	addl	%gs:0, %eax
	movl	(%eax), %eax
#  else
	movl	%gs:(%eax), %eax
#  endif
# else
#  ifdef NO_TLS_DIRECT_SEG_REFS
	movl	%gs:0, %eax
	movl	__libc_tsd_LOCALE@NTPOFF(%eax), %eax
#  else
	movl	%gs:__libc_tsd_LOCALE@NTPOFF, %eax
#  endif
# endif
# if LOCALE_T___LOCALES != 0 || LC_CTYPE != 0
	movl	LOCALE_T___LOCALES+LC_CTYPE*4(%eax), %eax
# else
	movl	(%eax), %eax
# endif
	testl	$1, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%eax)
	jne	__strncasecmp_nonascii
	jmp	L(ascii)
END (__strncasecmp_sse4_2)
#endif

	ENTRY (STRCMP)
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movl	LOCALE(%esp), %eax
# if LOCALE_T___LOCALES != 0 || LC_CTYPE != 0
	movl	LOCALE_T___LOCALES+LC_CTYPE*4(%eax), %eax
# else
	movl	(%eax), %eax
# endif
	testl	$1, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%eax)
	jne	NONASCII

# ifdef PIC
	PUSH	(%ebx)
	LOAD_PIC_REG(bx)
# endif
L(ascii):
	.section .rodata.cst16,"aM",@progbits,16
	.align 16
.Lbelowupper:
	.quad	0x4040404040404040
	.quad	0x4040404040404040
.Ltopupper:
	.quad	0x5b5b5b5b5b5b5b5b
	.quad	0x5b5b5b5b5b5b5b5b
.Ltouppermask:
	.quad	0x2020202020202020
	.quad	0x2020202020202020
	.previous

# ifdef PIC
#  define UCLOW_reg .Lbelowupper@GOTOFF(%ebx)
#  define UCHIGH_reg .Ltopupper@GOTOFF(%ebx)
#  define LCQWORD_reg .Ltouppermask@GOTOFF(%ebx)
# else
#  define UCLOW_reg .Lbelowupper
#  define UCHIGH_reg .Ltopupper
#  define LCQWORD_reg .Ltouppermask
# endif
#endif

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	PUSH	(REM)
#endif
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	PUSH	(%edi)
#endif
	mov	STR1(%esp), %edx
	mov	STR2(%esp), %eax
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	movl	CNT(%esp), REM
	test	REM, REM
	je	L(eq)
#endif
	mov	%dx, %cx
	and	$0xfff, %cx
	cmp	$0xff0, %cx
	ja	L(first4bytes)
	movdqu	(%edx), %xmm2
	mov	%eax, %ecx
	and	$0xfff, %ecx
	cmp	$0xff0, %ecx
	ja	L(first4bytes)
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
# define TOLOWER(reg1, reg2) \
	movdqa	reg1, %xmm3;						      \
	movdqa	UCHIGH_reg, %xmm4;					      \
	movdqa	reg2, %xmm5;						      \
	movdqa	UCHIGH_reg, %xmm6;					      \
	pcmpgtb	UCLOW_reg, %xmm3;					      \
	pcmpgtb	reg1, %xmm4;						      \
	pcmpgtb	UCLOW_reg, %xmm5;					      \
	pcmpgtb	reg2, %xmm6;						      \
	pand	%xmm4, %xmm3;						      \
	pand	%xmm6, %xmm5;						      \
	pand	LCQWORD_reg, %xmm3;					      \
	pand	LCQWORD_reg, %xmm5;					      \
	por	%xmm3, reg1;						      \
	por	%xmm5, reg2

	movdqu	(%eax), %xmm1
	TOLOWER (%xmm2, %xmm1)
	movd	%xmm2, %ecx
	movd	%xmm1, %edi
	movdqa	%xmm2, %xmm3
	movdqa	%xmm1, %xmm4
	cmpl	%edi, %ecx
#else
# define TOLOWER(reg1, reg)

	movd	%xmm2, %ecx
	cmp	(%eax), %ecx
#endif
	jne	L(less4bytes)
#if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
	movdqu	(%eax), %xmm1
#endif
	pxor	%xmm2, %xmm1
	pxor	%xmm0, %xmm0
	ptest	%xmm1, %xmm0
	jnc	L(less16bytes)
	pcmpeqb	%xmm0, %xmm2
	ptest	%xmm2, %xmm0
	jnc	L(less16bytes)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	sub	$16, REM
	jbe	L(eq)
#endif
	add	$16, %edx
	add	$16, %eax
L(first4bytes):
	movzbl	(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, (%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$1, REM
	je	L(eq)
#endif

	movzbl	1(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	1(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 1(%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$2, REM
	je	L(eq)
#endif
	movzbl	2(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	2(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 2(%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$3, REM
	je	L(eq)
#endif
	movzbl	3(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	3(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 3(%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$4, REM
	je	L(eq)
#endif
	movzbl	4(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	4(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 4(%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$5, REM
	je	L(eq)
#endif
	movzbl	5(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	5(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 5(%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$6, REM
	je	L(eq)
#endif
	movzbl	6(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	6(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 6(%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$7, REM
	je	L(eq)
#endif
	movzbl	7(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	7(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 7(%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	sub	$8, REM
	je	L(eq)
#endif
	add	$8, %eax
	add	$8, %edx

#if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
	PUSH	(%edi)
#endif
	PUSH	(%esi)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cfi_remember_state
#endif
	mov	%edx, %edi
	mov	%eax, %esi
	xorl	%eax, %eax
L(check_offset):
	movl	%edi, %edx
	movl	%esi, %ecx
	andl	$0xfff, %edx
	andl	$0xfff, %ecx
	cmpl	%edx, %ecx
	cmovl	%edx, %ecx
	lea	-0xff0(%ecx), %edx
	sub	%edx, %edi
	sub	%edx, %esi
	testl	%edx, %edx
	jg	L(crosspage)
L(loop):
	movdqu	(%esi,%edx), %xmm2
	movdqu	(%edi,%edx), %xmm1
	TOLOWER (%xmm2, %xmm1)
	pcmpistri	$0x1a, %xmm2, %xmm1
	jbe	L(end)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	sub	$16, REM
	jbe	L(more16byteseq)
#endif

	add	$16, %edx
	jle	L(loop)
L(crosspage):
	movzbl	(%edi,%edx), %eax
	movzbl	(%esi,%edx), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%eax,4), %eax
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%eax,4), %eax
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
# endif
#endif
	subl	%ecx, %eax
	jne	L(ret)
	testl	%ecx, %ecx
	je	L(ret)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	sub	$1, REM
	jbe	L(more16byteseq)
#endif
	inc	%edx
	cmp	$15, %edx
	jle	L(crosspage)
	add	%edx, %edi
	add	%edx, %esi
	jmp	L(check_offset)

	.p2align 4
L(end):
	jnc	L(ret)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	sub	%ecx, REM
	jbe	L(more16byteseq)
#endif
	lea	(%ecx,%edx), %ecx
	movzbl	(%edi,%ecx), %eax
	movzbl	(%esi,%ecx), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%eax,4), %eax
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%eax,4), %eax
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
# endif
#endif
	subl	%ecx, %eax
L(ret):
	POP	(%esi)
	POP	(%edi)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	POP	(REM)
#endif
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
# ifdef PIC
	POP	(%ebx)
# endif
#endif
	ret

	.p2align 4
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cfi_restore_state
L(more16byteseq):
	POP	(%esi)
# ifdef USE_AS_STRNCMP
	POP	(%edi)
# endif
#endif
L(eq):
	xorl	%eax, %eax
	RETURN

L(neq):
	mov	$1, %eax
	ja	L(neq_bigger)
	neg	%eax
L(neq_bigger):
	RETURN

L(less16bytes):
	add	$0xfefefeff, %ecx
	jnc	L(less4bytes)
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movd	%xmm3, %edi
	xor	%edi, %ecx
#else
	xor	(%edx), %ecx
#endif
	or	$0xfefefeff, %ecx
	add	$1, %ecx
	jnz	L(less4bytes)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$4, REM
	jbe	L(eq)
#endif
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	psrldq	$4, %xmm3
	psrldq	$4, %xmm4
	movd	%xmm3, %ecx
	movd	%xmm4, %edi
	cmp	%edi, %ecx
	mov	%ecx, %edi
#else
	mov	4(%edx), %ecx
	cmp	4(%eax), %ecx
#endif
	jne	L(more4bytes)
	add	$0xfefefeff, %ecx
	jnc	L(more4bytes)
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	xor	%edi, %ecx
#else
	xor	4(%edx), %ecx
#endif
	or	$0xfefefeff, %ecx
	add	$1, %ecx
	jnz	L(more4bytes)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	sub	$8, REM
	jbe	L(eq)
#endif

	add	$8, %edx
	add	$8, %eax
L(less4bytes):

	movzbl	(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, (%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$1, REM
	je	L(eq)
#endif
	movzbl	1(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	1(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 1(%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$2, REM
	je	L(eq)
#endif

	movzbl	2(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	2(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 2(%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$3, REM
	je	L(eq)
#endif
	movzbl	3(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	3(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 3(%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

L(more4bytes):
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$4, REM
	je	L(eq)
#endif
	movzbl	4(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	4(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 4(%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)


#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$5, REM
	je	L(eq)
#endif
	movzbl	5(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	5(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 5(%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$6, REM
	je	L(eq)
#endif
	movzbl	6(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	6(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 6(%edx)
#endif
	jne	L(neq)
	cmpl	$0, %ecx
	je	L(eq)

#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
	cmp	$7, REM
	je	L(eq)
#endif
	movzbl	7(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
	movzbl	7(%edx), %edi
# ifdef PIC
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
	movl	_nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
	cmpl	%ecx, %edi
#else
	cmpb	%cl, 7(%edx)
#endif
	jne	L(neq)
	jmp	L(eq)

END (STRCMP)

#endif