58   __asm__("len .req r0\n\t"  in strlen()
59        "data .req r3\n\t"  in strlen()
60        "addr .req r1\n\t"  in strlen()
63        "pld [r0]\n\t"  in strlen()
66        "bic	addr, r0, #3\n\t"  in strlen()
68        "ands	len, r0, #3\n\t"  in strlen()
69        "neg	len, len\n\t"  in strlen()
71        "ldr	data, [addr], #4\n\t"  in strlen()
73        "add	ip, len, #4\n\t"  in strlen()
74        "mov	ip, ip, asl #3\n\t"  in strlen()
75        "mvn	r2, #0\n\t"  in strlen()
78        "itt	ne\n\t"  in strlen()
80        "lslne	r2, ip\n\t"  in strlen()
82        "lsrne	r2, ip\n\t"  in strlen()
84        "orrne	data, data, r2\n\t"  in strlen()
86        "it	ne\n\t"  in strlen()
88        "orrne	data, data, r2, lsl ip\n\t"  in strlen()
90        "orrne	data, data, r2, lsr ip\n\t"  in strlen()
95        "movw	ip, #0x101\n\t"  in strlen()
97        "mov	ip, #0x1\n\t"  in strlen()
98        "orr	ip, ip, ip, lsl #8\n\t"  in strlen()
100        "orr	ip, ip, ip, lsl #16\n"  in strlen()
106        "1:\n\t"  in strlen()
108        "sub	r2, data, ip\n\t"  in strlen()
110        "bic	r2, r2, data\n\t"  in strlen()
112        "ands	r2, r2, ip, lsl #7\n\t"  in strlen()
115        "itt	eq\n\t"  in strlen()
116        "ldreq	data, [addr], #4\n\t"  in strlen()
118        "addeq	len, len, #4\n\t"  in strlen()
120        "pld	[addr, #8]\n\t"  in strlen()
122        "ittt	eq\n\t"  in strlen()
123        "subeq	r2, data, ip\n\t"  in strlen()
125        "biceq	r2, r2, data\n\t"  in strlen()
127        "andeqs	r2, r2, ip, lsl #7\n\t"  in strlen()
129        "itt	eq\n\t"  in strlen()
131        "ldreq	data, [addr], #4\n\t"  in strlen()
133        "addeq	len, len, #4\n\t"  in strlen()
134        "beq	1b\n\t"  in strlen()
136        "tst	data, #0xff000000\n\t"  in strlen()
137        "itttt	ne\n\t"  in strlen()
138        "addne	len, len, #1\n\t"  in strlen()
139        "tstne	data, #0xff0000\n\t"  in strlen()
140        "addne	len, len, #1\n\t"  in strlen()
141        "tstne	data, #0xff00\n\t"  in strlen()
142        "it	ne\n\t"  in strlen()
143        "addne	len, len, #1\n\t"  in strlen()
152        "rbit	r2, r2\n\t"  in strlen()
153        "clz	r2, r2\n\t"  in strlen()
155        "rsb	r1, r2, #0\n\t"  in strlen()
156        "and	r2, r2, r1\n\t"  in strlen()
157        "clz	r2, r2\n\t"  in strlen()
158        "rsb	r2, r2, #31\n\t"  in strlen()
160        "add	len, len, r2, lsr #3\n\t"  in strlen()
162        "tst	data, #0xff\n\t"  in strlen()
163        "itttt	ne\n\t"  in strlen()
164        "addne	len, len, #1\n\t"  in strlen()
165        "tstne	data, #0xff00\n\t"  in strlen()
166        "addne	len, len, #1\n\t"  in strlen()
167        "tstne	data, #0xff0000\n\t"  in strlen()
168        "it	ne\n\t"  in strlen()
169        "addne	len, len, #1\n\t"  in strlen()
172        "bx	lr\n\t");  in strlen()