* pointer somewhere else
*/
mov r4, r0
-
+
/* align first pointer to word boundary
* offset = -src & 3
*/
ldr ip, [r1]
subs r2, r2, #(32 + 4)
bmi 1f
-
+
0: pld [r4, #(CACHE_LINE_SIZE * 2)]
pld [r1, #(CACHE_LINE_SIZE * 2)]
ldr r0, [r4], #4
ldreq r0, [r4], #4
ldreq ip, [r1, #4]!
eoreqs r0, r0, lr
- bne 2f
+ bne 2f
subs r2, r2, #32
bhs 0b
/* do we have at least 4 bytes left? */
1: adds r2, r2, #(32 - 4 + 4)
bmi 4f
-
+
/* finish off 4 bytes at a time */
3: ldr r0, [r4], #4
ldr ip, [r1], #4
subs r2, r2, #1
bne 11b
bx lr
-END(memcmp)
-
-
5: /*************** non-congruent case ***************/
- and r0, r1, #3
+ and r0, r1, #3
cmp r0, #2
bne 4f
/* here, offset is 2 (16-bits aligned, special cased) */
-
+
/* make sure we have at least 16 bytes to process */
subs r2, r2, #16
addmi r2, r2, #16
mov r2, #4
ldmfd sp!, {r5, r6, r7}
b 8b
+END(memcmp)
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