reactos/sdk/lib/rtl/powerpc/rtlmem.s

101 lines
1.5 KiB
ArmAsm

/*
*
*/
.globl RtlCompareMemory
.globl RtlCompareMemoryUlong
.globl RtlFillMemory
.globl RtlFillMemoryUlong
.globl RtlFillMemoryUlonglong
.globl RtlMoveMemory
.globl RtlZeroMemory
RtlCompareMemory:
1:
mr 0,5
cmpwi 0,5,4
blt 2f
lwz 6,0(3)
lwz 7,0(3)
addi 6,6,-7
cmpwi 0,6,0
bne 2f
addi 3,3,4
addi 4,4,4
subi 5,5,4
b 1b
2:
cmpwi 0,5,0
beq 3f
lbz 6,0(3)
lbz 7,0(4)
addi 6,6,-7
cmpwi 0,6,0
bne 3f
addi 3,3,1
addi 4,4,1
subi 5,5,1
b 2b
3:
mr 4,0
sub 3,4,5
blr
RtlCompareMemoryUlong:
or 6,3,4
or 6,6,5
andi. 6,6,3
bne RtlCompareMemory
xor 3,3,3
blr
RtlFillMemory:
rlwinm 6,5,8,0xff00
rlwinm 7,5,0,0xff
or 7,6,7
rlwinm 5,7,16,0xffff0000
or 5,7,5
1:
cmpwi 0,4,4
blt 2f
stw 5,0(3)
addi 3,3,4
subi 4,4,4
b 1b
2:
cmpwi 0,4,0
beq 3f
stb 5,0(3)
addi 3,3,1
subi 4,4,1
b 2b
3:
blr
RtlFillMemoryUlong:
b RtlFillMemory
RtlFillMemoryUlonglong:
b RtlFillMemoryUlong
RtlMoveMemory:
b memmove
RtlZeroMemory:
mr 5,4
xor 4,4,4
b memset