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get rid of custom memcpy funcs

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not used for anything important, just a maintenance burden
This commit is contained in:
notaz 2017-10-14 21:10:25 +03:00
parent ba11a48115
commit fdcfd32374
9 changed files with 7 additions and 198 deletions
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74
pico/misc_amips.s
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@ -101,78 +101,4 @@ ms32u_return:
nop
.globl memcpy32 # int *dest, int *src, int count
memcpy32:
mc32_aloop:
andi $t0, $a0, 0x3f
beqz $t0, mc32_bloop_prep
nop
lw $t1, 0($a1)
addiu $a2, -1
sw $t1, 0($a0)
beqz $a2, mc32_return
addiu $a0, 4
j mc32_aloop
addiu $a1, 4
mc32_bloop_prep:
srl $t0, $a2, 4 # we will do 64 bytes per iteration (cache line)
beqz $t0, mc32_bloop_end
mc32_bloop:
addiu $t0, -1
cache 0x18, ($a0) # create dirty exclusive
lw $t2, 0x00($a1)
lw $t3, 0x04($a1)
lw $t4, 0x08($a1)
lw $t5, 0x0c($a1)
lw $t6, 0x10($a1)
lw $t7, 0x14($a1)
lw $t8, 0x18($a1)
lw $t9, 0x1c($a1)
sw $t2, 0x00($a0)
sw $t3, 0x04($a0)
sw $t4, 0x08($a0)
sw $t5, 0x0c($a0)
sw $t6, 0x10($a0)
sw $t7, 0x14($a0)
sw $t8, 0x18($a0)
sw $t9, 0x1c($a0)
lw $t2, 0x20($a1)
lw $t3, 0x24($a1)
lw $t4, 0x28($a1)
lw $t5, 0x2c($a1)
lw $t6, 0x30($a1)
lw $t7, 0x34($a1)
lw $t8, 0x38($a1)
lw $t9, 0x3c($a1)
sw $t2, 0x20($a0)
sw $t3, 0x24($a0)
sw $t4, 0x28($a0)
sw $t5, 0x2c($a0)
sw $t6, 0x30($a0)
sw $t7, 0x34($a0)
sw $t8, 0x38($a0)
sw $t9, 0x3c($a0)
addiu $a0, 0x40
bnez $t0, mc32_bloop
addiu $a1, 0x40
mc32_bloop_end:
andi $a2, $a2, 0x0f
beqz $a2, mc32_return
mc32_cloop:
lw $t1, 0($a1)
addiu $a2, -1
addiu $a1, 4
sw $t1, 0($a0)
bnez $a2, mc32_cloop
addiu $a0, 4
mc32_return:
jr $ra
nop
# vim:filetype=mips