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Remove leftover big-endian arm support

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Reviewed by:	imp
Differential Revision:	https://reviews.freebsd.org/D28312
This commit is contained in:
Andrew Turner 2021-01-28 10:33:40 +00:00
parent f59810e34b
commit e09c8c9ad9
5 changed files with 0 additions and 632 deletions
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5
lib/libc/arm/arith.h
View File

@ -11,11 +11,6 @@
* architecture. See contrib/gdtoa/gdtoaimp.h for details.
*/
#if !defined(__ARMEB__) && (defined(__VFP_FP__) || defined(__ARM_EABI__))
#define IEEE_8087
#define Arith_Kind_ASL 1
#define Sudden_Underflow
#else
#define IEEE_MC68k
#define Arith_Kind_ASL 2
#endif

66
lib/libc/arm/string/memcpy_arm.S
View File

@ -170,21 +170,8 @@ ENTRY(memcpy)
stmdb sp!, {r4, r5}
.Lmemcpy_srcul1loop16:
#ifdef __ARMEB__
mov r3, lr, lsl #8
#else
mov r3, lr, lsr #8
#endif
ldmia r1!, {r4, r5, r12, lr}
#ifdef __ARMEB__
orr r3, r3, r4, lsr #24
mov r4, r4, lsl #8
orr r4, r4, r5, lsr #24
mov r5, r5, lsl #8
orr r5, r5, r12, lsr #24
mov r12, r12, lsl #8
orr r12, r12, lr, lsr #24
#else
orr r3, r3, r4, lsl #24
mov r4, r4, lsr #8
orr r4, r4, r5, lsl #24
@ -192,7 +179,6 @@ ENTRY(memcpy)
orr r5, r5, r12, lsl #24
mov r12, r12, lsr #8
orr r12, r12, lr, lsl #24
#endif
stmia r0!, {r3-r5, r12}
subs r2, r2, #0x10
bge .Lmemcpy_srcul1loop16
@ -201,17 +187,9 @@ ENTRY(memcpy)
blt .Lmemcpy_srcul1l4
.Lmemcpy_srcul1loop4:
#ifdef __ARMEB__
mov r12, lr, lsl #8
#else
mov r12, lr, lsr #8
#endif
ldr lr, [r1], #4
#ifdef __ARMEB__
orr r12, r12, lr, lsr #24
#else
orr r12, r12, lr, lsl #24
#endif
str r12, [r0], #4
subs r2, r2, #4
bge .Lmemcpy_srcul1loop4
@ -227,21 +205,8 @@ ENTRY(memcpy)
stmdb sp!, {r4, r5}
.Lmemcpy_srcul2loop16:
#ifdef __ARMEB__
mov r3, lr, lsl #16
#else
mov r3, lr, lsr #16
#endif
ldmia r1!, {r4, r5, r12, lr}
#ifdef __ARMEB__
orr r3, r3, r4, lsr #16
mov r4, r4, lsl #16
orr r4, r4, r5, lsr #16
mov r5, r5, lsl #16
orr r5, r5, r12, lsr #16
mov r12, r12, lsl #16
orr r12, r12, lr, lsr #16
#else
orr r3, r3, r4, lsl #16
mov r4, r4, lsr #16
orr r4, r4, r5, lsl #16
@ -249,7 +214,6 @@ ENTRY(memcpy)
orr r5, r5, r12, lsl #16
mov r12, r12, lsr #16
orr r12, r12, lr, lsl #16
#endif
stmia r0!, {r3-r5, r12}
subs r2, r2, #0x10
bge .Lmemcpy_srcul2loop16
@ -258,17 +222,9 @@ ENTRY(memcpy)
blt .Lmemcpy_srcul2l4
.Lmemcpy_srcul2loop4:
#ifdef __ARMEB__
mov r12, lr, lsl #16
#else
mov r12, lr, lsr #16
#endif
ldr lr, [r1], #4
#ifdef __ARMEB__
orr r12, r12, lr, lsr #16
#else
orr r12, r12, lr, lsl #16
#endif
str r12, [r0], #4
subs r2, r2, #4
bge .Lmemcpy_srcul2loop4
@ -284,21 +240,8 @@ ENTRY(memcpy)
stmdb sp!, {r4, r5}
.Lmemcpy_srcul3loop16:
#ifdef __ARMEB__
mov r3, lr, lsl #24
#else
mov r3, lr, lsr #24
#endif
ldmia r1!, {r4, r5, r12, lr}
#ifdef __ARMEB__
orr r3, r3, r4, lsr #8
mov r4, r4, lsl #24
orr r4, r4, r5, lsr #8
mov r5, r5, lsl #24
orr r5, r5, r12, lsr #8
mov r12, r12, lsl #24
orr r12, r12, lr, lsr #8
#else
orr r3, r3, r4, lsl #8
mov r4, r4, lsr #24
orr r4, r4, r5, lsl #8
@ -306,7 +249,6 @@ ENTRY(memcpy)
orr r5, r5, r12, lsl #8
mov r12, r12, lsr #24
orr r12, r12, lr, lsl #8
#endif
stmia r0!, {r3-r5, r12}
subs r2, r2, #0x10
bge .Lmemcpy_srcul3loop16
@ -315,17 +257,9 @@ ENTRY(memcpy)
blt .Lmemcpy_srcul3l4
.Lmemcpy_srcul3loop4:
#ifdef __ARMEB__
mov r12, lr, lsl #24
#else
mov r12, lr, lsr #24
#endif
ldr lr, [r1], #4
#ifdef __ARMEB__
orr r12, r12, lr, lsr #8
#else
orr r12, r12, lr, lsl #8
#endif
str r12, [r0], #4
subs r2, r2, #4
bge .Lmemcpy_srcul3loop4

413
lib/libc/arm/string/memcpy_xscale.S
View File

@ -219,25 +219,12 @@ ENTRY(memcpy)
b .Lmemcpy_bad1
.Lmemcpy_bad1_loop16:
#ifdef __ARMEB__
mov r4, ip, lsl #8
#else
mov r4, ip, lsr #8
#endif
ldr r5, [r1], #0x04
pld [r1, #0x018]
ldr r6, [r1], #0x04
ldr r7, [r1], #0x04
ldr ip, [r1], #0x04
#ifdef __ARMEB__
orr r4, r4, r5, lsr #24
mov r5, r5, lsl #8
orr r5, r5, r6, lsr #24
mov r6, r6, lsl #8
orr r6, r6, r7, lsr #24
mov r7, r7, lsl #8
orr r7, r7, ip, lsr #24
#else
orr r4, r4, r5, lsl #24
mov r5, r5, lsr #8
orr r5, r5, r6, lsl #24
@ -245,7 +232,6 @@ ENTRY(memcpy)
orr r6, r6, r7, lsl #24
mov r7, r7, lsr #8
orr r7, r7, ip, lsl #24
#endif
str r4, [r3], #0x04
str r5, [r3], #0x04
str r6, [r3], #0x04
@ -262,43 +248,22 @@ ENTRY(memcpy)
blt .Lmemcpy_bad_done
.Lmemcpy_bad1_loop4:
#ifdef __ARMEB__
mov r4, ip, lsl #8
#else
mov r4, ip, lsr #8
#endif
ldr ip, [r1], #0x04
subs r2, r2, #0x04
#ifdef __ARMEB__
orr r4, r4, ip, lsr #24
#else
orr r4, r4, ip, lsl #24
#endif
str r4, [r3], #0x04
bge .Lmemcpy_bad1_loop4
sub r1, r1, #0x03
b .Lmemcpy_bad_done
.Lmemcpy_bad2_loop16:
#ifdef __ARMEB__
mov r4, ip, lsl #16
#else
mov r4, ip, lsr #16
#endif
ldr r5, [r1], #0x04
pld [r1, #0x018]
ldr r6, [r1], #0x04
ldr r7, [r1], #0x04
ldr ip, [r1], #0x04
#ifdef __ARMEB__
orr r4, r4, r5, lsr #16
mov r5, r5, lsl #16
orr r5, r5, r6, lsr #16
mov r6, r6, lsl #16
orr r6, r6, r7, lsr #16
mov r7, r7, lsl #16
orr r7, r7, ip, lsr #16
#else
orr r4, r4, r5, lsl #16
mov r5, r5, lsr #16
orr r5, r5, r6, lsl #16
@ -306,7 +271,6 @@ ENTRY(memcpy)
orr r6, r6, r7, lsl #16
mov r7, r7, lsr #16
orr r7, r7, ip, lsl #16
#endif
str r4, [r3], #0x04
str r5, [r3], #0x04
str r6, [r3], #0x04
@ -323,43 +287,22 @@ ENTRY(memcpy)
blt .Lmemcpy_bad_done
.Lmemcpy_bad2_loop4:
#ifdef __ARMEB__
mov r4, ip, lsl #16
#else
mov r4, ip, lsr #16
#endif
ldr ip, [r1], #0x04
subs r2, r2, #0x04
#ifdef __ARMEB__
orr r4, r4, ip, lsr #16
#else
orr r4, r4, ip, lsl #16
#endif
str r4, [r3], #0x04
bge .Lmemcpy_bad2_loop4
sub r1, r1, #0x02
b .Lmemcpy_bad_done
.Lmemcpy_bad3_loop16:
#ifdef __ARMEB__
mov r4, ip, lsl #24
#else
mov r4, ip, lsr #24
#endif
ldr r5, [r1], #0x04
pld [r1, #0x018]
ldr r6, [r1], #0x04
ldr r7, [r1], #0x04
ldr ip, [r1], #0x04
#ifdef __ARMEB__
orr r4, r4, r5, lsr #8
mov r5, r5, lsl #24
orr r5, r5, r6, lsr #8
mov r6, r6, lsl #24
orr r6, r6, r7, lsr #8
mov r7, r7, lsl #24
orr r7, r7, ip, lsr #8
#else
orr r4, r4, r5, lsl #8
mov r5, r5, lsr #24
orr r5, r5, r6, lsl #8
@ -367,7 +310,6 @@ ENTRY(memcpy)
orr r6, r6, r7, lsl #8
mov r7, r7, lsr #24
orr r7, r7, ip, lsl #8
#endif
str r4, [r3], #0x04
str r5, [r3], #0x04
str r6, [r3], #0x04
@ -384,18 +326,10 @@ ENTRY(memcpy)
blt .Lmemcpy_bad_done
.Lmemcpy_bad3_loop4:
#ifdef __ARMEB__
mov r4, ip, lsl #24
#else
mov r4, ip, lsr #24
#endif
ldr ip, [r1], #0x04
subs r2, r2, #0x04
#ifdef __ARMEB__
orr r4, r4, ip, lsr #8
#else
orr r4, r4, ip, lsl #8
#endif
str r4, [r3], #0x04
bge .Lmemcpy_bad3_loop4
sub r1, r1, #0x01
@ -473,13 +407,8 @@ ENTRY(memcpy)
*/
ldr r3, [r1, #-1] /* BE:r3 = x012 LE:r3 = 210x */
ldr r2, [r1, #3] /* BE:r2 = 3xxx LE:r2 = xxx3 */
#ifdef __ARMEB__
mov r3, r3, lsl #8 /* r3 = 012. */
orr r3, r3, r2, lsr #24 /* r3 = 0123 */
#else
mov r3, r3, lsr #8 /* r3 = .210 */
orr r3, r3, r2, lsl #24 /* r3 = 3210 */
#endif
str r3, [r0]
bx lr
LMEMCPY_4_PAD
@ -487,13 +416,8 @@ ENTRY(memcpy)
/*
* 0010: dst is 32-bit aligned, src is 16-bit aligned
*/
#ifdef __ARMEB__
ldrh r3, [r1]
ldrh r2, [r1, #0x02]
#else
ldrh r3, [r1, #0x02]
ldrh r2, [r1]
#endif
orr r3, r2, r3, lsl #16
str r3, [r0]
bx lr
@ -504,13 +428,8 @@ ENTRY(memcpy)
*/
ldr r3, [r1, #-3] /* BE:r3 = xxx0 LE:r3 = 0xxx */
ldr r2, [r1, #1] /* BE:r2 = 123x LE:r2 = x321 */
#ifdef __ARMEB__
mov r3, r3, lsl #24 /* r3 = 0... */
orr r3, r3, r2, lsr #8 /* r3 = 0123 */
#else
mov r3, r3, lsr #24 /* r3 = ...0 */
orr r3, r3, r2, lsl #8 /* r3 = 3210 */
#endif
str r3, [r0]
bx lr
LMEMCPY_4_PAD
@ -519,17 +438,10 @@ ENTRY(memcpy)
* 0100: dst is 8-bit aligned, src is 32-bit aligned
*/
ldr r2, [r1]
#ifdef __ARMEB__
strb r2, [r0, #0x03]
mov r3, r2, lsr #8
mov r1, r2, lsr #24
strb r1, [r0]
#else
strb r2, [r0]
mov r3, r2, lsr #8
mov r1, r2, lsr #24
strb r1, [r0, #0x03]
#endif
strh r3, [r0, #0x01]
bx lr
LMEMCPY_4_PAD
@ -551,17 +463,10 @@ ENTRY(memcpy)
*/
ldrh r2, [r1] /* BE:r2 = ..01 LE:r2 = ..10 */
ldrh r3, [r1, #0x02] /* LE:r3 = ..23 LE:r3 = ..32 */
#ifdef __ARMEB__
mov r1, r2, lsr #8 /* r1 = ...0 */
strb r1, [r0]
mov r2, r2, lsl #8 /* r2 = .01. */
orr r2, r2, r3, lsr #8 /* r2 = .012 */
#else
strb r2, [r0]
mov r2, r2, lsr #8 /* r2 = ...1 */
orr r2, r2, r3, lsl #8 /* r2 = .321 */
mov r3, r3, lsr #8 /* r3 = ...3 */
#endif
strh r2, [r0, #0x01]
strb r3, [r0, #0x03]
bx lr
@ -583,15 +488,9 @@ ENTRY(memcpy)
* 1000: dst is 16-bit aligned, src is 32-bit aligned
*/
ldr r2, [r1]
#ifdef __ARMEB__
strh r2, [r0, #0x02]
mov r3, r2, lsr #16
strh r3, [r0]
#else
strh r2, [r0]
mov r3, r2, lsr #16
strh r3, [r0, #0x02]
#endif
bx lr
LMEMCPY_4_PAD
@ -602,13 +501,8 @@ ENTRY(memcpy)
ldr r3, [r1, #3] /* BE:r3 = 3xxx LE:r3 = xxx3 */
mov r1, r2, lsr #8 /* BE:r1 = .x01 LE:r1 = .210 */
strh r1, [r0]
#ifdef __ARMEB__
mov r2, r2, lsl #8 /* r2 = 012. */
orr r2, r2, r3, lsr #24 /* r2 = 0123 */
#else
mov r2, r2, lsr #24 /* r2 = ...2 */
orr r2, r2, r3, lsl #8 /* r2 = xx32 */
#endif
strh r2, [r0, #0x02]
bx lr
LMEMCPY_4_PAD
@ -630,13 +524,8 @@ ENTRY(memcpy)
ldr r2, [r1, #-3] /* BE:r2 = xxx0 LE:r2 = 0xxx */
mov r1, r3, lsr #8 /* BE:r1 = .123 LE:r1 = .x32 */
strh r1, [r0, #0x02]
#ifdef __ARMEB__
mov r3, r3, lsr #24 /* r3 = ...1 */
orr r3, r3, r2, lsl #8 /* r3 = xx01 */
#else
mov r3, r3, lsl #8 /* r3 = 321. */
orr r3, r3, r2, lsr #24 /* r3 = 3210 */
#endif
strh r3, [r0]
bx lr
LMEMCPY_4_PAD
@ -645,19 +534,11 @@ ENTRY(memcpy)
* 1100: dst is 8-bit aligned, src is 32-bit aligned
*/
ldr r2, [r1] /* BE:r2 = 0123 LE:r2 = 3210 */
#ifdef __ARMEB__
strb r2, [r0, #0x03]
mov r3, r2, lsr #8
mov r1, r2, lsr #24
strh r3, [r0, #0x01]
strb r1, [r0]
#else
strb r2, [r0]
mov r3, r2, lsr #8
mov r1, r2, lsr #24
strh r3, [r0, #0x01]
strb r1, [r0, #0x03]
#endif
bx lr
LMEMCPY_4_PAD
@ -676,16 +557,6 @@ ENTRY(memcpy)
/*
* 1110: dst is 8-bit aligned, src is 16-bit aligned
*/
#ifdef __ARMEB__
ldrh r3, [r1, #0x02] /* BE:r3 = ..23 LE:r3 = ..32 */
ldrh r2, [r1] /* BE:r2 = ..01 LE:r2 = ..10 */
strb r3, [r0, #0x03]
mov r3, r3, lsr #8 /* r3 = ...2 */
orr r3, r3, r2, lsl #8 /* r3 = ..12 */
strh r3, [r0, #0x01]
mov r2, r2, lsr #8 /* r2 = ...0 */
strb r2, [r0]
#else
ldrh r2, [r1] /* BE:r2 = ..01 LE:r2 = ..10 */
ldrh r3, [r1, #0x02] /* BE:r3 = ..23 LE:r3 = ..32 */
strb r2, [r0]
@ -694,7 +565,6 @@ ENTRY(memcpy)
strh r2, [r0, #0x01]
mov r3, r3, lsr #8 /* r3 = ...3 */
strb r3, [r0, #0x03]
#endif
bx lr
LMEMCPY_4_PAD
@ -739,13 +609,8 @@ ENTRY(memcpy)
*/
ldr r2, [r1, #-1] /* BE:r2 = x012 LE:r2 = 210x */
ldr r3, [r1, #0x03] /* BE:r3 = 345x LE:r3 = x543 */
#ifdef __ARMEB__
mov r2, r2, lsl #8 /* r2 = 012. */
orr r2, r2, r3, lsr #24 /* r2 = 0123 */
#else
mov r2, r2, lsr #8 /* r2 = .210 */
orr r2, r2, r3, lsl #24 /* r2 = 3210 */
#endif
mov r3, r3, lsr #8 /* BE:r3 = .345 LE:r3 = .x54 */
str r2, [r0]
strh r3, [r0, #0x04]
@ -757,17 +622,10 @@ ENTRY(memcpy)
*/
ldr r3, [r1, #0x02] /* BE:r3 = 2345 LE:r3 = 5432 */
ldrh r2, [r1] /* BE:r2 = ..01 LE:r2 = ..10 */
#ifdef __ARMEB__
mov r1, r3, lsr #16 /* r1 = ..23 */
orr r1, r1, r2, lsl #16 /* r1 = 0123 */
str r1, [r0]
strh r3, [r0, #0x04]
#else
mov r1, r3, lsr #16 /* r1 = ..54 */
orr r2, r2, r3, lsl #16 /* r2 = 3210 */
str r2, [r0]
strh r1, [r0, #0x04]
#endif
bx lr
LMEMCPY_6_PAD
@ -777,17 +635,10 @@ ENTRY(memcpy)
ldr r2, [r1, #-3] /* BE:r2 = xxx0 LE:r2 = 0xxx */
ldr r3, [r1, #1] /* BE:r3 = 1234 LE:r3 = 4321 */
ldr r1, [r1, #5] /* BE:r1 = 5xxx LE:r3 = xxx5 */
#ifdef __ARMEB__
mov r2, r2, lsl #24 /* r2 = 0... */
orr r2, r2, r3, lsr #8 /* r2 = 0123 */
mov r3, r3, lsl #8 /* r3 = 234. */
orr r1, r3, r1, lsr #24 /* r1 = 2345 */
#else
mov r2, r2, lsr #24 /* r2 = ...0 */
orr r2, r2, r3, lsl #8 /* r2 = 3210 */
mov r1, r1, lsl #8 /* r1 = xx5. */
orr r1, r1, r3, lsr #24 /* r1 = xx54 */
#endif
str r2, [r0]
strh r1, [r0, #0x04]
bx lr
@ -800,17 +651,10 @@ ENTRY(memcpy)
ldrh r2, [r1, #0x04] /* BE:r2 = ..45 LE:r2 = ..54 */
mov r1, r3, lsr #8 /* BE:r1 = .012 LE:r1 = .321 */
strh r1, [r0, #0x01]
#ifdef __ARMEB__
mov r1, r3, lsr #24 /* r1 = ...0 */
strb r1, [r0]
mov r3, r3, lsl #8 /* r3 = 123. */
orr r3, r3, r2, lsr #8 /* r3 = 1234 */
#else
strb r3, [r0]
mov r3, r3, lsr #24 /* r3 = ...3 */
orr r3, r3, r2, lsl #8 /* r3 = .543 */
mov r2, r2, lsr #8 /* r2 = ...5 */
#endif
strh r3, [r0, #0x03]
strb r2, [r0, #0x05]
bx lr
@ -835,16 +679,6 @@ ENTRY(memcpy)
*/
ldrh r2, [r1] /* BE:r2 = ..01 LE:r2 = ..10 */
ldr r1, [r1, #0x02] /* BE:r1 = 2345 LE:r1 = 5432 */
#ifdef __ARMEB__
mov r3, r2, lsr #8 /* r3 = ...0 */
strb r3, [r0]
strb r1, [r0, #0x05]
mov r3, r1, lsr #8 /* r3 = .234 */
strh r3, [r0, #0x03]
mov r3, r2, lsl #8 /* r3 = .01. */
orr r3, r3, r1, lsr #24 /* r3 = .012 */
strh r3, [r0, #0x01]
#else
strb r2, [r0]
mov r3, r1, lsr #24
strb r3, [r0, #0x05]
@ -853,7 +687,6 @@ ENTRY(memcpy)
mov r3, r2, lsr #8 /* r3 = ...1 */
orr r3, r3, r1, lsl #8 /* r3 = 4321 */
strh r3, [r0, #0x01]
#endif
bx lr
LMEMCPY_6_PAD
@ -874,21 +707,12 @@ ENTRY(memcpy)
/*
* 1000: dst is 16-bit aligned, src is 32-bit aligned
*/
#ifdef __ARMEB__
ldr r2, [r1] /* r2 = 0123 */
ldrh r3, [r1, #0x04] /* r3 = ..45 */
mov r1, r2, lsr #16 /* r1 = ..01 */
orr r3, r3, r2, lsl#16 /* r3 = 2345 */
strh r1, [r0]
str r3, [r0, #0x02]
#else
ldrh r2, [r1, #0x04] /* r2 = ..54 */
ldr r3, [r1] /* r3 = 3210 */
mov r2, r2, lsl #16 /* r2 = 54.. */
orr r2, r2, r3, lsr #16 /* r2 = 5432 */
strh r3, [r0]
str r2, [r0, #0x02]
#endif
bx lr
LMEMCPY_6_PAD
@ -898,13 +722,8 @@ ENTRY(memcpy)
ldr r3, [r1, #-1] /* BE:r3 = x012 LE:r3 = 210x */
ldr r2, [r1, #3] /* BE:r2 = 345x LE:r2 = x543 */
mov r1, r3, lsr #8 /* BE:r1 = .x01 LE:r1 = .210 */
#ifdef __ARMEB__
mov r2, r2, lsr #8 /* r2 = .345 */
orr r2, r2, r3, lsl #24 /* r2 = 2345 */
#else
mov r2, r2, lsl #8 /* r2 = 543. */
orr r2, r2, r3, lsr #24 /* r2 = 5432 */
#endif
strh r1, [r0]
str r2, [r0, #0x02]
bx lr
@ -926,15 +745,9 @@ ENTRY(memcpy)
ldrb r3, [r1] /* r3 = ...0 */
ldr r2, [r1, #0x01] /* BE:r2 = 1234 LE:r2 = 4321 */
ldrb r1, [r1, #0x05] /* r1 = ...5 */
#ifdef __ARMEB__
mov r3, r3, lsl #8 /* r3 = ..0. */
orr r3, r3, r2, lsr #24 /* r3 = ..01 */
orr r1, r1, r2, lsl #8 /* r1 = 2345 */
#else
orr r3, r3, r2, lsl #8 /* r3 = 3210 */
mov r1, r1, lsl #24 /* r1 = 5... */
orr r1, r1, r2, lsr #8 /* r1 = 5432 */
#endif
strh r3, [r0]
str r1, [r0, #0x02]
bx lr
@ -945,17 +758,10 @@ ENTRY(memcpy)
*/
ldr r2, [r1] /* BE:r2 = 0123 LE:r2 = 3210 */
ldrh r1, [r1, #0x04] /* BE:r1 = ..45 LE:r1 = ..54 */
#ifdef __ARMEB__
mov r3, r2, lsr #24 /* r3 = ...0 */
strb r3, [r0]
mov r2, r2, lsl #8 /* r2 = 123. */
orr r2, r2, r1, lsr #8 /* r2 = 1234 */
#else
strb r2, [r0]
mov r2, r2, lsr #8 /* r2 = .321 */
orr r2, r2, r1, lsl #24 /* r2 = 4321 */
mov r1, r1, lsr #8 /* r1 = ...5 */
#endif
str r2, [r0, #0x01]
strb r1, [r0, #0x05]
bx lr
@ -980,17 +786,10 @@ ENTRY(memcpy)
*/
ldrh r2, [r1] /* BE:r2 = ..01 LE:r2 = ..10 */
ldr r1, [r1, #0x02] /* BE:r1 = 2345 LE:r1 = 5432 */
#ifdef __ARMEB__
mov r3, r2, lsr #8 /* r3 = ...0 */
strb r3, [r0]
mov r2, r2, lsl #24 /* r2 = 1... */
orr r2, r2, r1, lsr #8 /* r2 = 1234 */
#else
strb r2, [r0]
mov r2, r2, lsr #8 /* r2 = ...1 */
orr r2, r2, r1, lsl #8 /* r2 = 4321 */
mov r1, r1, lsr #24 /* r1 = ...5 */
#endif
str r2, [r0, #0x01]
strb r1, [r0, #0x05]
bx lr
@ -1038,16 +837,10 @@ ENTRY(memcpy)
ldr r3, [r1, #-1] /* BE:r3 = x012 LE:r3 = 210x */
ldr r2, [r1, #0x03] /* BE:r2 = 3456 LE:r2 = 6543 */
ldrb r1, [r1, #0x07] /* r1 = ...7 */
#ifdef __ARMEB__
mov r3, r3, lsl #8 /* r3 = 012. */
orr r3, r3, r2, lsr #24 /* r3 = 0123 */
orr r2, r1, r2, lsl #8 /* r2 = 4567 */
#else
mov r3, r3, lsr #8 /* r3 = .210 */
orr r3, r3, r2, lsl #24 /* r3 = 3210 */
mov r1, r1, lsl #24 /* r1 = 7... */
orr r2, r1, r2, lsr #8 /* r2 = 7654 */
#endif
str r3, [r0]
str r2, [r0, #0x04]
bx lr
@ -1059,15 +852,9 @@ ENTRY(memcpy)
ldrh r2, [r1] /* BE:r2 = ..01 LE:r2 = ..10 */
ldr r3, [r1, #0x02] /* BE:r3 = 2345 LE:r3 = 5432 */
ldrh r1, [r1, #0x06] /* BE:r1 = ..67 LE:r1 = ..76 */
#ifdef __ARMEB__
mov r2, r2, lsl #16 /* r2 = 01.. */
orr r2, r2, r3, lsr #16 /* r2 = 0123 */
orr r3, r1, r3, lsl #16 /* r3 = 4567 */
#else
orr r2, r2, r3, lsl #16 /* r2 = 3210 */
mov r3, r3, lsr #16 /* r3 = ..54 */
orr r3, r3, r1, lsl #16 /* r3 = 7654 */
#endif
str r2, [r0]
str r3, [r0, #0x04]
bx lr
@ -1079,16 +866,9 @@ ENTRY(memcpy)
ldrb r3, [r1] /* r3 = ...0 */
ldr r2, [r1, #0x01] /* BE:r2 = 1234 LE:r2 = 4321 */
ldr r1, [r1, #0x05] /* BE:r1 = 567x LE:r1 = x765 */
#ifdef __ARMEB__
mov r3, r3, lsl #24 /* r3 = 0... */
orr r3, r3, r2, lsr #8 /* r3 = 0123 */
mov r2, r2, lsl #24 /* r2 = 4... */
orr r2, r2, r1, lsr #8 /* r2 = 4567 */
#else
orr r3, r3, r2, lsl #8 /* r3 = 3210 */
mov r2, r2, lsr #24 /* r2 = ...4 */
orr r2, r2, r1, lsl #8 /* r2 = 7654 */
#endif
str r3, [r0]
str r2, [r0, #0x04]
bx lr
@ -1099,21 +879,12 @@ ENTRY(memcpy)
*/
ldr r3, [r1] /* BE:r3 = 0123 LE:r3 = 3210 */
ldr r2, [r1, #0x04] /* BE:r2 = 4567 LE:r2 = 7654 */
#ifdef __ARMEB__
mov r1, r3, lsr #24 /* r1 = ...0 */
strb r1, [r0]
mov r1, r3, lsr #8 /* r1 = .012 */
strb r2, [r0, #0x07]
mov r3, r3, lsl #24 /* r3 = 3... */
orr r3, r3, r2, lsr #8 /* r3 = 3456 */
#else
strb r3, [r0]
mov r1, r2, lsr #24 /* r1 = ...7 */
strb r1, [r0, #0x07]
mov r1, r3, lsr #8 /* r1 = .321 */
mov r3, r3, lsr #24 /* r3 = ...3 */
orr r3, r3, r2, lsl #8 /* r3 = 6543 */
#endif
strh r1, [r0, #0x01]
str r3, [r0, #0x03]
bx lr
@ -1139,15 +910,6 @@ ENTRY(memcpy)
ldrh r2, [r1] /* BE:r2 = ..01 LE:r2 = ..10 */
ldr r3, [r1, #0x02] /* BE:r3 = 2345 LE:r3 = 5432 */
ldrh r1, [r1, #0x06] /* BE:r1 = ..67 LE:r1 = ..76 */
#ifdef __ARMEB__
mov ip, r2, lsr #8 /* ip = ...0 */
strb ip, [r0]
mov ip, r2, lsl #8 /* ip = .01. */
orr ip, ip, r3, lsr #24 /* ip = .012 */
strb r1, [r0, #0x07]
mov r3, r3, lsl #8 /* r3 = 345. */
orr r3, r3, r1, lsr #8 /* r3 = 3456 */
#else
strb r2, [r0] /* 0 */
mov ip, r1, lsr #8 /* ip = ...7 */
strb ip, [r0, #0x07] /* 7 */
@ -1155,7 +917,6 @@ ENTRY(memcpy)
orr ip, ip, r3, lsl #8 /* ip = 4321 */
mov r3, r3, lsr #8 /* r3 = .543 */
orr r3, r3, r1, lsl #24 /* r3 = 6543 */
#endif
strh ip, [r0, #0x01]
str r3, [r0, #0x03]
bx lr
@ -1170,13 +931,8 @@ ENTRY(memcpy)
ldrb r1, [r1, #0x07] /* r1 = ...7 */
strb r3, [r0]
mov r3, ip, lsr #16 /* BE:r3 = ..12 LE:r3 = ..43 */
#ifdef __ARMEB__
strh r3, [r0, #0x01]
orr r2, r2, ip, lsl #16 /* r2 = 3456 */
#else
strh ip, [r0, #0x01]
orr r2, r3, r2, lsl #16 /* r2 = 6543 */
#endif
str r2, [r0, #0x03]
strb r1, [r0, #0x07]
bx lr
@ -1188,15 +944,9 @@ ENTRY(memcpy)
ldr r2, [r1] /* BE:r2 = 0123 LE:r2 = 3210 */
ldr r3, [r1, #0x04] /* BE:r3 = 4567 LE:r3 = 7654 */
mov r1, r2, lsr #16 /* BE:r1 = ..01 LE:r1 = ..32 */
#ifdef __ARMEB__
strh r1, [r0]
mov r1, r3, lsr #16 /* r1 = ..45 */
orr r2, r1 ,r2, lsl #16 /* r2 = 2345 */
#else
strh r2, [r0]
orr r2, r1, r3, lsl #16 /* r2 = 5432 */
mov r3, r3, lsr #16 /* r3 = ..76 */
#endif
str r2, [r0, #0x02]
strh r3, [r0, #0x06]
bx lr
@ -1210,16 +960,10 @@ ENTRY(memcpy)
ldrb ip, [r1, #0x07] /* ip = ...7 */
mov r1, r2, lsr #8 /* BE:r1 = .x01 LE:r1 = .210 */
strh r1, [r0]
#ifdef __ARMEB__
mov r1, r2, lsl #24 /* r1 = 2... */
orr r1, r1, r3, lsr #8 /* r1 = 2345 */
orr r3, ip, r3, lsl #8 /* r3 = 4567 */
#else
mov r1, r2, lsr #24 /* r1 = ...2 */
orr r1, r1, r3, lsl #8 /* r1 = 5432 */
mov r3, r3, lsr #24 /* r3 = ...6 */
orr r3, r3, ip, lsl #8 /* r3 = ..76 */
#endif
str r1, [r0, #0x02]
strh r3, [r0, #0x06]
bx lr
@ -1245,16 +989,9 @@ ENTRY(memcpy)
ldrb ip, [r1] /* ip = ...0 */
mov r1, r3, lsr #8 /* BE:r1 = .567 LE:r1 = .x76 */
strh r1, [r0, #0x06]
#ifdef __ARMEB__
mov r3, r3, lsr #24 /* r3 = ...5 */
orr r3, r3, r2, lsl #8 /* r3 = 2345 */
mov r2, r2, lsr #24 /* r2 = ...1 */
orr r2, r2, ip, lsl #8 /* r2 = ..01 */
#else
mov r3, r3, lsl #24 /* r3 = 5... */
orr r3, r3, r2, lsr #8 /* r3 = 5432 */
orr r2, ip, r2, lsl #8 /* r2 = 3210 */
#endif
str r3, [r0, #0x02]
strh r2, [r0]
bx lr
@ -1267,21 +1004,12 @@ ENTRY(memcpy)
ldr r2, [r1] /* BE:r2 = 0123 LE:r2 = 3210 */
mov r1, r3, lsr #8 /* BE:r1 = .456 LE:r1 = .765 */
strh r1, [r0, #0x05]
#ifdef __ARMEB__
strb r3, [r0, #0x07]
mov r1, r2, lsr #24 /* r1 = ...0 */
strb r1, [r0]
mov r2, r2, lsl #8 /* r2 = 123. */
orr r2, r2, r3, lsr #24 /* r2 = 1234 */
str r2, [r0, #0x01]
#else
strb r2, [r0]
mov r1, r3, lsr #24 /* r1 = ...7 */
strb r1, [r0, #0x07]
mov r2, r2, lsr #8 /* r2 = .321 */
orr r2, r2, r3, lsl #24 /* r2 = 4321 */
str r2, [r0, #0x01]
#endif
bx lr
LMEMCPY_8_PAD
@ -1294,13 +1022,8 @@ ENTRY(memcpy)
ldrb r1, [r1, #0x07] /* r1 = ...7 */
strb r3, [r0]
mov r3, ip, lsr #16 /* BE:r3 = ..34 LE:r3 = ..65 */
#ifdef __ARMEB__
strh ip, [r0, #0x05]
orr r2, r3, r2, lsl #16 /* r2 = 1234 */
#else
strh r3, [r0, #0x05]
orr r2, r2, ip, lsl #16 /* r2 = 4321 */
#endif
str r2, [r0, #0x01]
strb r1, [r0, #0x07]
bx lr
@ -1312,15 +1035,6 @@ ENTRY(memcpy)
ldrh r2, [r1] /* BE:r2 = ..01 LE:r2 = ..10 */
ldr r3, [r1, #0x02] /* BE:r3 = 2345 LE:r3 = 5432 */
ldrh r1, [r1, #0x06] /* BE:r1 = ..67 LE:r1 = ..76 */
#ifdef __ARMEB__
mov ip, r2, lsr #8 /* ip = ...0 */
strb ip, [r0]
mov ip, r2, lsl #24 /* ip = 1... */
orr ip, ip, r3, lsr #8 /* ip = 1234 */
strb r1, [r0, #0x07]
mov r1, r1, lsr #8 /* r1 = ...6 */
orr r1, r1, r3, lsl #8 /* r1 = 3456 */
#else
strb r2, [r0]
mov ip, r2, lsr #8 /* ip = ...1 */
orr ip, ip, r3, lsl #8 /* ip = 4321 */
@ -1328,7 +1042,6 @@ ENTRY(memcpy)
strb r2, [r0, #0x07]
mov r1, r1, lsl #8 /* r1 = .76. */
orr r1, r1, r3, lsr #24 /* r1 = .765 */
#endif
str ip, [r0, #0x01]
strh r1, [r0, #0x05]
bx lr
@ -1380,14 +1093,6 @@ ENTRY(memcpy)
ldr ip, [r1, #0x07] /* BE:ip = 789A LE:ip = A987 */
ldr r3, [r1, #0x03] /* BE:r3 = 3456 LE:r3 = 6543 */
ldr r1, [r1, #-1] /* BE:r1 = x012 LE:r1 = 210x */
#ifdef __ARMEB__
orr r2, r2, ip, lsl #8 /* r2 = 89AB */
str r2, [r0, #0x08]
mov r2, ip, lsr #24 /* r2 = ...7 */
orr r2, r2, r3, lsl #8 /* r2 = 4567 */
mov r1, r1, lsl #8 /* r1 = 012. */
orr r1, r1, r3, lsr #24 /* r1 = 0123 */
#else
mov r2, r2, lsl #24 /* r2 = B... */
orr r2, r2, ip, lsr #8 /* r2 = BA98 */
str r2, [r0, #0x08]
@ -1395,7 +1100,6 @@ ENTRY(memcpy)
orr r2, r2, r3, lsr #8 /* r2 = 7654 */
mov r1, r1, lsr #8 /* r1 = .210 */
orr r1, r1, r3, lsl #24 /* r1 = 3210 */
#endif
str r2, [r0, #0x04]
str r1, [r0]
bx lr
@ -1408,21 +1112,12 @@ ENTRY(memcpy)
ldr r3, [r1, #0x02] /* BE:r3 = 2345 LE:r3 = 5432 */
ldr ip, [r1, #0x06] /* BE:ip = 6789 LE:ip = 9876 */
ldrh r1, [r1, #0x0a] /* BE:r1 = ..AB LE:r1 = ..BA */
#ifdef __ARMEB__
mov r2, r2, lsl #16 /* r2 = 01.. */
orr r2, r2, r3, lsr #16 /* r2 = 0123 */
str r2, [r0]
mov r3, r3, lsl #16 /* r3 = 45.. */
orr r3, r3, ip, lsr #16 /* r3 = 4567 */
orr r1, r1, ip, lsl #16 /* r1 = 89AB */
#else
orr r2, r2, r3, lsl #16 /* r2 = 3210 */
str r2, [r0]
mov r3, r3, lsr #16 /* r3 = ..54 */
orr r3, r3, ip, lsl #16 /* r3 = 7654 */
mov r1, r1, lsl #16 /* r1 = BA.. */
orr r1, r1, ip, lsr #16 /* r1 = BA98 */
#endif
str r3, [r0, #0x04]
str r1, [r0, #0x08]
bx lr
@ -1435,22 +1130,12 @@ ENTRY(memcpy)
ldr r3, [r1, #0x01] /* BE:r3 = 1234 LE:r3 = 4321 */
ldr ip, [r1, #0x05] /* BE:ip = 5678 LE:ip = 8765 */
ldr r1, [r1, #0x09] /* BE:r1 = 9ABx LE:r1 = xBA9 */
#ifdef __ARMEB__
mov r2, r2, lsl #24 /* r2 = 0... */
orr r2, r2, r3, lsr #8 /* r2 = 0123 */
str r2, [r0]
mov r3, r3, lsl #24 /* r3 = 4... */
orr r3, r3, ip, lsr #8 /* r3 = 4567 */
mov r1, r1, lsr #8 /* r1 = .9AB */
orr r1, r1, ip, lsl #24 /* r1 = 89AB */
#else
orr r2, r2, r3, lsl #8 /* r2 = 3210 */
str r2, [r0]
mov r3, r3, lsr #24 /* r3 = ...4 */
orr r3, r3, ip, lsl #8 /* r3 = 7654 */
mov r1, r1, lsl #8 /* r1 = BA9. */
orr r1, r1, ip, lsr #24 /* r1 = BA98 */
#endif
str r3, [r0, #0x04]
str r1, [r0, #0x08]
bx lr
@ -1464,21 +1149,12 @@ ENTRY(memcpy)
ldr ip, [r1, #0x08] /* BE:ip = 89AB LE:ip = BA98 */
mov r1, r2, lsr #8 /* BE:r1 = .012 LE:r1 = .321 */
strh r1, [r0, #0x01]
#ifdef __ARMEB__
mov r1, r2, lsr #24 /* r1 = ...0 */
strb r1, [r0]
mov r1, r2, lsl #24 /* r1 = 3... */
orr r2, r1, r3, lsr #8 /* r1 = 3456 */
mov r1, r3, lsl #24 /* r1 = 7... */
orr r1, r1, ip, lsr #8 /* r1 = 789A */
#else
strb r2, [r0]
mov r1, r2, lsr #24 /* r1 = ...3 */
orr r2, r1, r3, lsl #8 /* r1 = 6543 */
mov r1, r3, lsr #24 /* r1 = ...7 */
orr r1, r1, ip, lsl #8 /* r1 = A987 */
mov ip, ip, lsr #24 /* ip = ...B */
#endif
str r2, [r0, #0x03]
str r1, [r0, #0x07]
strb ip, [r0, #0x0b]
@ -1508,17 +1184,6 @@ ENTRY(memcpy)
ldr r3, [r1, #0x02] /* BE:r3 = 2345 LE:r3 = 5432 */
ldr ip, [r1, #0x06] /* BE:ip = 6789 LE:ip = 9876 */
ldrh r1, [r1, #0x0a] /* BE:r1 = ..AB LE:r1 = ..BA */
#ifdef __ARMEB__
mov r2, r2, ror #8 /* r2 = 1..0 */
strb r2, [r0]
mov r2, r2, lsr #16 /* r2 = ..1. */
orr r2, r2, r3, lsr #24 /* r2 = ..12 */
strh r2, [r0, #0x01]
mov r2, r3, lsl #8 /* r2 = 345. */
orr r3, r2, ip, lsr #24 /* r3 = 3456 */
mov r2, ip, lsl #8 /* r2 = 789. */
orr r2, r2, r1, lsr #8 /* r2 = 789A */
#else
strb r2, [r0]
mov r2, r2, lsr #8 /* r2 = ...1 */
orr r2, r2, r3, lsl #8 /* r2 = 4321 */
@ -1528,7 +1193,6 @@ ENTRY(memcpy)
mov r2, ip, lsr #8 /* r2 = .987 */
orr r2, r2, r1, lsl #24 /* r2 = A987 */
mov r1, r1, lsr #8 /* r1 = ...B */
#endif
str r3, [r0, #0x03]
str r2, [r0, #0x07]
strb r1, [r0, #0x0b]
@ -1543,22 +1207,12 @@ ENTRY(memcpy)
ldr ip, [r1, #0x05] /* BE:ip = 5678 LE:ip = 8765 */
ldr r1, [r1, #0x09] /* BE:r1 = 9ABx LE:r1 = xBA9 */
strb r2, [r0]
#ifdef __ARMEB__
mov r2, r3, lsr #16 /* r2 = ..12 */
strh r2, [r0, #0x01]
mov r3, r3, lsl #16 /* r3 = 34.. */
orr r3, r3, ip, lsr #16 /* r3 = 3456 */
mov ip, ip, lsl #16 /* ip = 78.. */
orr ip, ip, r1, lsr #16 /* ip = 789A */
mov r1, r1, lsr #8 /* r1 = .9AB */
#else
strh r3, [r0, #0x01]
mov r3, r3, lsr #16 /* r3 = ..43 */
orr r3, r3, ip, lsl #16 /* r3 = 6543 */
mov ip, ip, lsr #16 /* ip = ..87 */
orr ip, ip, r1, lsl #16 /* ip = A987 */
mov r1, r1, lsr #16 /* r1 = ..xB */
#endif
str r3, [r0, #0x03]
str ip, [r0, #0x07]
strb r1, [r0, #0x0b]
@ -1572,19 +1226,11 @@ ENTRY(memcpy)
ldr r3, [r1, #0x04] /* BE:r3 = 4567 LE:r3 = 7654 */
ldr r2, [r1, #0x08] /* BE:r2 = 89AB LE:r2 = BA98 */
mov r1, ip, lsr #16 /* BE:r1 = ..01 LE:r1 = ..32 */
#ifdef __ARMEB__
strh r1, [r0]
mov r1, ip, lsl #16 /* r1 = 23.. */
orr r1, r1, r3, lsr #16 /* r1 = 2345 */
mov r3, r3, lsl #16 /* r3 = 67.. */
orr r3, r3, r2, lsr #16 /* r3 = 6789 */
#else
strh ip, [r0]
orr r1, r1, r3, lsl #16 /* r1 = 5432 */
mov r3, r3, lsr #16 /* r3 = ..76 */
orr r3, r3, r2, lsl #16 /* r3 = 9876 */
mov r2, r2, lsr #16 /* r2 = ..BA */
#endif
str r1, [r0, #0x02]
str r3, [r0, #0x06]
strh r2, [r0, #0x0a]
@ -1600,20 +1246,12 @@ ENTRY(memcpy)
strh ip, [r0]
ldr ip, [r1, #0x07] /* BE:ip = 789A LE:ip = A987 */
ldrb r1, [r1, #0x0b] /* r1 = ...B */
#ifdef __ARMEB__
mov r2, r2, lsl #24 /* r2 = 2... */
orr r2, r2, r3, lsr #8 /* r2 = 2345 */
mov r3, r3, lsl #24 /* r3 = 6... */
orr r3, r3, ip, lsr #8 /* r3 = 6789 */
orr r1, r1, ip, lsl #8 /* r1 = 89AB */
#else
mov r2, r2, lsr #24 /* r2 = ...2 */
orr r2, r2, r3, lsl #8 /* r2 = 5432 */
mov r3, r3, lsr #24 /* r3 = ...6 */
orr r3, r3, ip, lsl #8 /* r3 = 9876 */
mov r1, r1, lsl #8 /* r1 = ..B. */
orr r1, r1, ip, lsr #24 /* r1 = ..BA */
#endif
str r2, [r0, #0x02]
str r3, [r0, #0x06]
strh r1, [r0, #0x0a]
@ -1643,20 +1281,11 @@ ENTRY(memcpy)
strh ip, [r0, #0x0a]
ldr ip, [r1, #0x01] /* BE:ip = 1234 LE:ip = 4321 */
ldrb r1, [r1] /* r1 = ...0 */
#ifdef __ARMEB__
mov r2, r2, lsr #24 /* r2 = ...9 */
orr r2, r2, r3, lsl #8 /* r2 = 6789 */
mov r3, r3, lsr #24 /* r3 = ...5 */
orr r3, r3, ip, lsl #8 /* r3 = 2345 */
mov r1, r1, lsl #8 /* r1 = ..0. */
orr r1, r1, ip, lsr #24 /* r1 = ..01 */
#else
mov r2, r2, lsl #24 /* r2 = 9... */
orr r2, r2, r3, lsr #8 /* r2 = 9876 */
mov r3, r3, lsl #24 /* r3 = 5... */
orr r3, r3, ip, lsr #8 /* r3 = 5432 */
orr r1, r1, ip, lsl #8 /* r1 = 3210 */
#endif
str r2, [r0, #0x06]
str r3, [r0, #0x02]
strh r1, [r0]
@ -1669,19 +1298,6 @@ ENTRY(memcpy)
ldr r2, [r1] /* BE:r2 = 0123 LE:r2 = 3210 */
ldr ip, [r1, #0x04] /* BE:ip = 4567 LE:ip = 7654 */
ldr r1, [r1, #0x08] /* BE:r1 = 89AB LE:r1 = BA98 */
#ifdef __ARMEB__
mov r3, r2, lsr #24 /* r3 = ...0 */
strb r3, [r0]
mov r2, r2, lsl #8 /* r2 = 123. */
orr r2, r2, ip, lsr #24 /* r2 = 1234 */
str r2, [r0, #0x01]
mov r2, ip, lsl #8 /* r2 = 567. */
orr r2, r2, r1, lsr #24 /* r2 = 5678 */
str r2, [r0, #0x05]
mov r2, r1, lsr #8 /* r2 = ..9A */
strh r2, [r0, #0x09]
strb r1, [r0, #0x0b]
#else
strb r2, [r0]
mov r3, r2, lsr #8 /* r3 = .321 */
orr r3, r3, ip, lsl #24 /* r3 = 4321 */
@ -1693,7 +1309,6 @@ ENTRY(memcpy)
strh r1, [r0, #0x09]
mov r1, r1, lsr #16 /* r1 = ...B */
strb r1, [r0, #0x0b]
#endif
bx lr
LMEMCPY_C_PAD
@ -1705,14 +1320,6 @@ ENTRY(memcpy)
ldr ip, [r1, #0x03] /* BE:ip = 3456 LE:ip = 6543 */
ldr r1, [r1, #-1] /* BE:r1 = x012 LE:r1 = 210x */
strb r2, [r0, #0x0b]
#ifdef __ARMEB__
strh r3, [r0, #0x09]
mov r3, r3, lsr #16 /* r3 = ..78 */
orr r3, r3, ip, lsl #16 /* r3 = 5678 */
mov ip, ip, lsr #16 /* ip = ..34 */
orr ip, ip, r1, lsl #16 /* ip = 1234 */
mov r1, r1, lsr #16 /* r1 = ..x0 */
#else
mov r2, r3, lsr #16 /* r2 = ..A9 */
strh r2, [r0, #0x09]
mov r3, r3, lsl #16 /* r3 = 87.. */
@ -1720,7 +1327,6 @@ ENTRY(memcpy)
mov ip, ip, lsl #16 /* ip = 43.. */
orr ip, ip, r1, lsr #16 /* ip = 4321 */
mov r1, r1, lsr #8 /* r1 = .210 */
#endif
str r3, [r0, #0x05]
str ip, [r0, #0x01]
strb r1, [r0]
@ -1730,24 +1336,6 @@ ENTRY(memcpy)
/*
* 1110: dst is 8-bit aligned (byte 3), src is 16-bit aligned
*/
#ifdef __ARMEB__
ldrh r2, [r1, #0x0a] /* r2 = ..AB */
ldr ip, [r1, #0x06] /* ip = 6789 */
ldr r3, [r1, #0x02] /* r3 = 2345 */
ldrh r1, [r1] /* r1 = ..01 */
strb r2, [r0, #0x0b]
mov r2, r2, lsr #8 /* r2 = ...A */
orr r2, r2, ip, lsl #8 /* r2 = 789A */
mov ip, ip, lsr #8 /* ip = .678 */
orr ip, ip, r3, lsl #24 /* ip = 5678 */
mov r3, r3, lsr #8 /* r3 = .234 */
orr r3, r3, r1, lsl #24 /* r3 = 1234 */
mov r1, r1, lsr #8 /* r1 = ...0 */
strb r1, [r0]
str r3, [r0, #0x01]
str ip, [r0, #0x05]
strh r2, [r0, #0x09]
#else
ldrh r2, [r1] /* r2 = ..10 */
ldr r3, [r1, #0x02] /* r3 = 5432 */
ldr ip, [r1, #0x06] /* ip = 9876 */
@ -1764,7 +1352,6 @@ ENTRY(memcpy)
str r3, [r0, #0x05]
strh ip, [r0, #0x09]
strb r1, [r0, #0x0b]
#endif
bx lr
LMEMCPY_C_PAD

132
lib/libc/arm/string/memmove.S
View File

@ -174,21 +174,8 @@ ENTRY(bcopy)
stmdb sp!, {r4, r5}
.Lmemmove_fsrcul1loop16:
#ifdef __ARMEB__
mov r3, lr, lsl #8
#else
mov r3, lr, lsr #8
#endif
ldmia r1!, {r4, r5, r12, lr}
#ifdef __ARMEB__
orr r3, r3, r4, lsr #24
mov r4, r4, lsl #8
orr r4, r4, r5, lsr #24
mov r5, r5, lsl #8
orr r5, r5, r12, lsr #24
mov r12, r12, lsl #8
orr r12, r12, lr, lsr #24
#else
orr r3, r3, r4, lsl #24
mov r4, r4, lsr #8
orr r4, r4, r5, lsl #24
@ -196,7 +183,6 @@ ENTRY(bcopy)
orr r5, r5, r12, lsl #24
mov r12, r12, lsr #8
orr r12, r12, lr, lsl #24
#endif
stmia r0!, {r3-r5, r12}
subs r2, r2, #0x10
bge .Lmemmove_fsrcul1loop16
@ -205,17 +191,9 @@ ENTRY(bcopy)
blt .Lmemmove_fsrcul1l4
.Lmemmove_fsrcul1loop4:
#ifdef __ARMEB__
mov r12, lr, lsl #8
#else
mov r12, lr, lsr #8
#endif
ldr lr, [r1], #4
#ifdef __ARMEB__
orr r12, r12, lr, lsr #24
#else
orr r12, r12, lr, lsl #24
#endif
str r12, [r0], #4
subs r2, r2, #4
bge .Lmemmove_fsrcul1loop4
@ -231,21 +209,8 @@ ENTRY(bcopy)
stmdb sp!, {r4, r5}
.Lmemmove_fsrcul2loop16:
#ifdef __ARMEB__
mov r3, lr, lsl #16
#else
mov r3, lr, lsr #16
#endif
ldmia r1!, {r4, r5, r12, lr}
#ifdef __ARMEB__
orr r3, r3, r4, lsr #16
mov r4, r4, lsl #16
orr r4, r4, r5, lsr #16
mov r5, r5, lsl #16
orr r5, r5, r12, lsr #16
mov r12, r12, lsl #16
orr r12, r12, lr, lsr #16
#else
orr r3, r3, r4, lsl #16
mov r4, r4, lsr #16
orr r4, r4, r5, lsl #16
@ -253,7 +218,6 @@ ENTRY(bcopy)
orr r5, r5, r12, lsl #16
mov r12, r12, lsr #16
orr r12, r12, lr, lsl #16
#endif
stmia r0!, {r3-r5, r12}
subs r2, r2, #0x10
bge .Lmemmove_fsrcul2loop16
@ -262,17 +226,9 @@ ENTRY(bcopy)
blt .Lmemmove_fsrcul2l4
.Lmemmove_fsrcul2loop4:
#ifdef __ARMEB__
mov r12, lr, lsl #16
#else
mov r12, lr, lsr #16
#endif
ldr lr, [r1], #4
#ifdef __ARMEB__
orr r12, r12, lr, lsr #16
#else
orr r12, r12, lr, lsl #16
#endif
str r12, [r0], #4
subs r2, r2, #4
bge .Lmemmove_fsrcul2loop4
@ -288,21 +244,8 @@ ENTRY(bcopy)
stmdb sp!, {r4, r5}
.Lmemmove_fsrcul3loop16:
#ifdef __ARMEB__
mov r3, lr, lsl #24
#else
mov r3, lr, lsr #24
#endif
ldmia r1!, {r4, r5, r12, lr}
#ifdef __ARMEB__
orr r3, r3, r4, lsr #8
mov r4, r4, lsl #24
orr r4, r4, r5, lsr #8
mov r5, r5, lsl #24
orr r5, r5, r12, lsr #8
mov r12, r12, lsl #24
orr r12, r12, lr, lsr #8
#else
orr r3, r3, r4, lsl #8
mov r4, r4, lsr #24
orr r4, r4, r5, lsl #8
@ -310,7 +253,6 @@ ENTRY(bcopy)
orr r5, r5, r12, lsl #8
mov r12, r12, lsr #24
orr r12, r12, lr, lsl #8
#endif
stmia r0!, {r3-r5, r12}
subs r2, r2, #0x10
bge .Lmemmove_fsrcul3loop16
@ -319,17 +261,9 @@ ENTRY(bcopy)
blt .Lmemmove_fsrcul3l4
.Lmemmove_fsrcul3loop4:
#ifdef __ARMEB__
mov r12, lr, lsl #24
#else
mov r12, lr, lsr #24
#endif
ldr lr, [r1], #4
#ifdef __ARMEB__
orr r12, r12, lr, lsr #8
#else
orr r12, r12, lr, lsl #8
#endif
str r12, [r0], #4
subs r2, r2, #4
bge .Lmemmove_fsrcul3loop4
@ -441,21 +375,8 @@ ENTRY(bcopy)
stmdb sp!, {r4, r5, lr}
.Lmemmove_bsrcul3loop16:
#ifdef __ARMEB__
mov lr, r3, lsr #8
#else
mov lr, r3, lsl #8
#endif
ldmdb r1!, {r3-r5, r12}
#ifdef __ARMEB__
orr lr, lr, r12, lsl #24
mov r12, r12, lsr #8
orr r12, r12, r5, lsl #24
mov r5, r5, lsr #8
orr r5, r5, r4, lsl #24
mov r4, r4, lsr #8
orr r4, r4, r3, lsl #24
#else
orr lr, lr, r12, lsr #24
mov r12, r12, lsl #8
orr r12, r12, r5, lsr #24
@ -463,7 +384,6 @@ ENTRY(bcopy)
orr r5, r5, r4, lsr #24
mov r4, r4, lsl #8
orr r4, r4, r3, lsr #24
#endif
stmdb r0!, {r4, r5, r12, lr}
subs r2, r2, #0x10
bge .Lmemmove_bsrcul3loop16
@ -472,17 +392,9 @@ ENTRY(bcopy)
blt .Lmemmove_bsrcul3l4
.Lmemmove_bsrcul3loop4:
#ifdef __ARMEB__
mov r12, r3, lsr #8
#else
mov r12, r3, lsl #8
#endif
ldr r3, [r1, #-4]!
#ifdef __ARMEB__
orr r12, r12, r3, lsl #24
#else
orr r12, r12, r3, lsr #24
#endif
str r12, [r0, #-4]!
subs r2, r2, #4
bge .Lmemmove_bsrcul3loop4
@ -498,21 +410,8 @@ ENTRY(bcopy)
stmdb sp!, {r4, r5, lr}
.Lmemmove_bsrcul2loop16:
#ifdef __ARMEB__
mov lr, r3, lsr #16
#else
mov lr, r3, lsl #16
#endif
ldmdb r1!, {r3-r5, r12}
#ifdef __ARMEB__
orr lr, lr, r12, lsl #16
mov r12, r12, lsr #16
orr r12, r12, r5, lsl #16
mov r5, r5, lsr #16
orr r5, r5, r4, lsl #16
mov r4, r4, lsr #16
orr r4, r4, r3, lsl #16
#else
orr lr, lr, r12, lsr #16
mov r12, r12, lsl #16
orr r12, r12, r5, lsr #16
@ -520,7 +419,6 @@ ENTRY(bcopy)
orr r5, r5, r4, lsr #16
mov r4, r4, lsl #16
orr r4, r4, r3, lsr #16
#endif
stmdb r0!, {r4, r5, r12, lr}
subs r2, r2, #0x10
bge .Lmemmove_bsrcul2loop16
@ -529,17 +427,9 @@ ENTRY(bcopy)
blt .Lmemmove_bsrcul2l4
.Lmemmove_bsrcul2loop4:
#ifdef __ARMEB__
mov r12, r3, lsr #16
#else
mov r12, r3, lsl #16
#endif
ldr r3, [r1, #-4]!
#ifdef __ARMEB__
orr r12, r12, r3, lsl #16
#else
orr r12, r12, r3, lsr #16
#endif
str r12, [r0, #-4]!
subs r2, r2, #4
bge .Lmemmove_bsrcul2loop4
@ -555,21 +445,8 @@ ENTRY(bcopy)
stmdb sp!, {r4, r5, lr}
.Lmemmove_bsrcul1loop32:
#ifdef __ARMEB__
mov lr, r3, lsr #24
#else
mov lr, r3, lsl #24
#endif
ldmdb r1!, {r3-r5, r12}
#ifdef __ARMEB__
orr lr, lr, r12, lsl #8
mov r12, r12, lsr #24
orr r12, r12, r5, lsl #8
mov r5, r5, lsr #24
orr r5, r5, r4, lsl #8
mov r4, r4, lsr #24
orr r4, r4, r3, lsl #8
#else
orr lr, lr, r12, lsr #8
mov r12, r12, lsl #24
orr r12, r12, r5, lsr #8
@ -577,7 +454,6 @@ ENTRY(bcopy)
orr r5, r5, r4, lsr #8
mov r4, r4, lsl #24
orr r4, r4, r3, lsr #8
#endif
stmdb r0!, {r4, r5, r12, lr}
subs r2, r2, #0x10
bge .Lmemmove_bsrcul1loop32
@ -586,17 +462,9 @@ ENTRY(bcopy)
blt .Lmemmove_bsrcul1l4
.Lmemmove_bsrcul1loop4:
#ifdef __ARMEB__
mov r12, r3, lsr #24
#else
mov r12, r3, lsl #24
#endif
ldr r3, [r1, #-4]!
#ifdef __ARMEB__
orr r12, r12, r3, lsl #8
#else
orr r12, r12, r3, lsr #8
#endif
str r12, [r0, #-4]!
subs r2, r2, #4
bge .Lmemmove_bsrcul1loop4

16
lib/libc/arm/string/strlen.S
View File

@ -47,36 +47,20 @@ ENTRY(strlen)
.Loop:
ldr r2, [r0]
add r0, r0, #4
#ifndef __ARMEB__
ands r3, r2, #0x000000ff
#else
ands r3, r2, #0xff000000
#endif
it ne
addne r1, r1, #1
.Ldo_3:
itt ne
#ifndef __ARMEB__
andsne r3, r2, #0x0000ff00
#else
andsne r3, r2, #0x00ff0000
#endif
addne r1, r1, #1
.Ldo_2:
itt ne
#ifndef __ARMEB__
andsne r3, r2, #0x00ff0000
#else
andsne r3, r2, #0x0000ff00
#endif
addne r1, r1, #1
.Ldo_1:
ittt ne
#ifndef __ARMEB__
andsne r3, r2, #0xff000000
#else
andsne r3, r2, #0x000000ff
#endif
addne r1, r1, #1
bne .Loop
.Lexit: