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Differential D28312 Diff 82789 lib/libc/arm/string/memcpy_arm.S

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lib/libc/arm/string/memcpy_arm.S

Show First 20 Lines • Show All 164 Lines • ▼ Show 20 Lines.Lmemcpy_srcul:
bgt .Lmemcpy_srcul3 bgt .Lmemcpy_srcul3
beq .Lmemcpy_srcul2 beq .Lmemcpy_srcul2
cmp r2, #0x0c cmp r2, #0x0c
blt .Lmemcpy_srcul1loop4 blt .Lmemcpy_srcul1loop4
sub r2, r2, #0x0c sub r2, r2, #0x0c
stmdb sp!, {r4, r5} stmdb sp!, {r4, r5}
.Lmemcpy_srcul1loop16: .Lmemcpy_srcul1loop16:
#ifdef __ARMEB__
mov r3, lr, lsl #8
#else
mov r3, lr, lsr #8 mov r3, lr, lsr #8
#endif
ldmia r1!, {r4, r5, r12, lr} 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 orr r3, r3, r4, lsl #24
mov r4, r4, lsr #8 mov r4, r4, lsr #8
orr r4, r4, r5, lsl #24 orr r4, r4, r5, lsl #24
mov r5, r5, lsr #8 mov r5, r5, lsr #8
orr r5, r5, r12, lsl #24 orr r5, r5, r12, lsl #24
mov r12, r12, lsr #8 mov r12, r12, lsr #8
orr r12, r12, lr, lsl #24 orr r12, r12, lr, lsl #24
#endif
stmia r0!, {r3-r5, r12} stmia r0!, {r3-r5, r12}
subs r2, r2, #0x10 subs r2, r2, #0x10
bge .Lmemcpy_srcul1loop16 bge .Lmemcpy_srcul1loop16
ldmia sp!, {r4, r5} ldmia sp!, {r4, r5}
adds r2, r2, #0x0c adds r2, r2, #0x0c
blt .Lmemcpy_srcul1l4 blt .Lmemcpy_srcul1l4
.Lmemcpy_srcul1loop4: .Lmemcpy_srcul1loop4:
#ifdef __ARMEB__
mov r12, lr, lsl #8
#else
mov r12, lr, lsr #8 mov r12, lr, lsr #8
#endif
ldr lr, [r1], #4 ldr lr, [r1], #4
#ifdef __ARMEB__
orr r12, r12, lr, lsr #24
#else
orr r12, r12, lr, lsl #24 orr r12, r12, lr, lsl #24
#endif
str r12, [r0], #4 str r12, [r0], #4
subs r2, r2, #4 subs r2, r2, #4
bge .Lmemcpy_srcul1loop4 bge .Lmemcpy_srcul1loop4
.Lmemcpy_srcul1l4: .Lmemcpy_srcul1l4:
sub r1, r1, #3 sub r1, r1, #3
b .Lmemcpy_l4 b .Lmemcpy_l4
.Lmemcpy_srcul2: .Lmemcpy_srcul2:
cmp r2, #0x0c cmp r2, #0x0c
blt .Lmemcpy_srcul2loop4 blt .Lmemcpy_srcul2loop4
sub r2, r2, #0x0c sub r2, r2, #0x0c
stmdb sp!, {r4, r5} stmdb sp!, {r4, r5}
.Lmemcpy_srcul2loop16: .Lmemcpy_srcul2loop16:
#ifdef __ARMEB__
mov r3, lr, lsl #16
#else
mov r3, lr, lsr #16 mov r3, lr, lsr #16
#endif
ldmia r1!, {r4, r5, r12, lr} 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 orr r3, r3, r4, lsl #16
mov r4, r4, lsr #16 mov r4, r4, lsr #16
orr r4, r4, r5, lsl #16 orr r4, r4, r5, lsl #16
mov r5, r5, lsr #16 mov r5, r5, lsr #16
orr r5, r5, r12, lsl #16 orr r5, r5, r12, lsl #16
mov r12, r12, lsr #16 mov r12, r12, lsr #16
orr r12, r12, lr, lsl #16 orr r12, r12, lr, lsl #16
#endif
stmia r0!, {r3-r5, r12} stmia r0!, {r3-r5, r12}
subs r2, r2, #0x10 subs r2, r2, #0x10
bge .Lmemcpy_srcul2loop16 bge .Lmemcpy_srcul2loop16
ldmia sp!, {r4, r5} ldmia sp!, {r4, r5}
adds r2, r2, #0x0c adds r2, r2, #0x0c
blt .Lmemcpy_srcul2l4 blt .Lmemcpy_srcul2l4
.Lmemcpy_srcul2loop4: .Lmemcpy_srcul2loop4:
#ifdef __ARMEB__
mov r12, lr, lsl #16
#else
mov r12, lr, lsr #16 mov r12, lr, lsr #16
#endif
ldr lr, [r1], #4 ldr lr, [r1], #4
#ifdef __ARMEB__
orr r12, r12, lr, lsr #16
#else
orr r12, r12, lr, lsl #16 orr r12, r12, lr, lsl #16
#endif
str r12, [r0], #4 str r12, [r0], #4
subs r2, r2, #4 subs r2, r2, #4
bge .Lmemcpy_srcul2loop4 bge .Lmemcpy_srcul2loop4
.Lmemcpy_srcul2l4: .Lmemcpy_srcul2l4:
sub r1, r1, #2 sub r1, r1, #2
b .Lmemcpy_l4 b .Lmemcpy_l4
.Lmemcpy_srcul3: .Lmemcpy_srcul3:
cmp r2, #0x0c cmp r2, #0x0c
blt .Lmemcpy_srcul3loop4 blt .Lmemcpy_srcul3loop4
sub r2, r2, #0x0c sub r2, r2, #0x0c
stmdb sp!, {r4, r5} stmdb sp!, {r4, r5}
.Lmemcpy_srcul3loop16: .Lmemcpy_srcul3loop16:
#ifdef __ARMEB__
mov r3, lr, lsl #24
#else
mov r3, lr, lsr #24 mov r3, lr, lsr #24
#endif
ldmia r1!, {r4, r5, r12, lr} 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 orr r3, r3, r4, lsl #8
mov r4, r4, lsr #24 mov r4, r4, lsr #24
orr r4, r4, r5, lsl #8 orr r4, r4, r5, lsl #8
mov r5, r5, lsr #24 mov r5, r5, lsr #24
orr r5, r5, r12, lsl #8 orr r5, r5, r12, lsl #8
mov r12, r12, lsr #24 mov r12, r12, lsr #24
orr r12, r12, lr, lsl #8 orr r12, r12, lr, lsl #8
#endif
stmia r0!, {r3-r5, r12} stmia r0!, {r3-r5, r12}
subs r2, r2, #0x10 subs r2, r2, #0x10
bge .Lmemcpy_srcul3loop16 bge .Lmemcpy_srcul3loop16
ldmia sp!, {r4, r5} ldmia sp!, {r4, r5}
adds r2, r2, #0x0c adds r2, r2, #0x0c
blt .Lmemcpy_srcul3l4 blt .Lmemcpy_srcul3l4
.Lmemcpy_srcul3loop4: .Lmemcpy_srcul3loop4:
#ifdef __ARMEB__
mov r12, lr, lsl #24
#else
mov r12, lr, lsr #24 mov r12, lr, lsr #24
#endif
ldr lr, [r1], #4 ldr lr, [r1], #4
#ifdef __ARMEB__
orr r12, r12, lr, lsr #8
#else
orr r12, r12, lr, lsl #8 orr r12, r12, lr, lsl #8
#endif
str r12, [r0], #4 str r12, [r0], #4
subs r2, r2, #4 subs r2, r2, #4
bge .Lmemcpy_srcul3loop4 bge .Lmemcpy_srcul3loop4
.Lmemcpy_srcul3l4: .Lmemcpy_srcul3l4:
sub r1, r1, #1 sub r1, r1, #1
b .Lmemcpy_l4 b .Lmemcpy_l4
END(memcpy) END(memcpy)
.section .note.GNU-stack,"",%progbits .section .note.GNU-stack,"",%progbits