2021-07-12 23:17:54 -04:00
|
|
|
.set noreorder // don't insert nops after branches
|
2019-08-25 00:46:40 -04:00
|
|
|
|
2021-07-12 23:17:54 -04:00
|
|
|
#include "macros.inc"
|
2019-08-25 00:46:40 -04:00
|
|
|
|
2021-07-12 23:17:54 -04:00
|
|
|
// this file is probably handwritten
|
2019-08-25 00:46:40 -04:00
|
|
|
|
2023-08-17 08:56:02 -04:00
|
|
|
//TODO There seem to be patterns in these iQue diffs. Can we figure out what's causing them? Could this have been written in C? See also bcopy.s.
|
|
|
|
|
|
2019-08-25 00:46:40 -04:00
|
|
|
.section .text, "ax"
|
|
|
|
|
|
|
|
|
|
glabel bzero
|
2023-08-17 08:56:02 -04:00
|
|
|
|
|
|
|
|
#ifdef VERSION_CN
|
|
|
|
|
negu $v1, $a0
|
|
|
|
|
blt $a1, 0xc, .L80303790
|
|
|
|
|
nop
|
|
|
|
|
andi $v1, $v1, 3
|
|
|
|
|
beqz $v1, .L80303734
|
|
|
|
|
subu $a1, $a1, $v1
|
|
|
|
|
swl $zero, ($a0)
|
|
|
|
|
addu $a0, $a0, $v1
|
|
|
|
|
.L80303734:
|
|
|
|
|
and $a3, $a1, -32
|
|
|
|
|
beqz $a3, .L80303770
|
|
|
|
|
subu $a1, $a1, $a3
|
|
|
|
|
addu $a3, $a3, $a0
|
|
|
|
|
.L80303748:
|
|
|
|
|
sw $zero, ($a0)
|
|
|
|
|
sw $zero, 4($a0)
|
|
|
|
|
sw $zero, 8($a0)
|
|
|
|
|
sw $zero, 0xc($a0)
|
|
|
|
|
addiu $a0, $a0, 0x20
|
|
|
|
|
sw $zero, -0x10($a0)
|
|
|
|
|
sw $zero, -0xc($a0)
|
|
|
|
|
sw $zero, -8($a0)
|
|
|
|
|
bne $a0, $a3, .L80303748
|
|
|
|
|
sw $zero, -4($a0)
|
|
|
|
|
.L80303770:
|
|
|
|
|
and $a3, $a1, -4
|
|
|
|
|
beqz $a3, .L80303790
|
|
|
|
|
subu $a1, $a1, $a3
|
|
|
|
|
addu $a3, $a3, $a0
|
|
|
|
|
.L80303784:
|
|
|
|
|
addiu $a0, $a0, 4
|
|
|
|
|
bne $a0, $a3, .L80303784
|
|
|
|
|
sw $zero, -4($a0)
|
|
|
|
|
.L80303790:
|
|
|
|
|
blez $a1, .L803037A8
|
|
|
|
|
nop
|
|
|
|
|
addu $a1, $a1, $a0
|
|
|
|
|
.L8030379C:
|
|
|
|
|
addiu $a0, $a0, 1
|
|
|
|
|
bne $a0, $a1, .L8030379C
|
|
|
|
|
sb $zero, -1($a0)
|
|
|
|
|
.L803037A8:
|
|
|
|
|
jr $ra
|
|
|
|
|
nop
|
|
|
|
|
#else
|
2019-08-25 00:46:40 -04:00
|
|
|
blt $a1, 0xc, .L803236BC
|
|
|
|
|
negu $v1, $a0
|
|
|
|
|
andi $v1, $v1, 3
|
|
|
|
|
beqz $v1, .L80323660
|
|
|
|
|
subu $a1, $a1, $v1
|
|
|
|
|
swl $zero, ($a0)
|
|
|
|
|
addu $a0, $a0, $v1
|
|
|
|
|
.L80323660:
|
|
|
|
|
and $a3, $a1, -32
|
|
|
|
|
beqz $a3, .L8032369C
|
|
|
|
|
subu $a1, $a1, $a3
|
|
|
|
|
addu $a3, $a3, $a0
|
|
|
|
|
.L80323674:
|
|
|
|
|
addiu $a0, $a0, 0x20
|
|
|
|
|
sw $zero, -0x20($a0)
|
|
|
|
|
sw $zero, -0x1c($a0)
|
|
|
|
|
sw $zero, -0x18($a0)
|
|
|
|
|
sw $zero, -0x14($a0)
|
|
|
|
|
sw $zero, -0x10($a0)
|
|
|
|
|
sw $zero, -0xc($a0)
|
|
|
|
|
sw $zero, -8($a0)
|
|
|
|
|
bne $a0, $a3, .L80323674
|
|
|
|
|
sw $zero, -4($a0)
|
|
|
|
|
.L8032369C:
|
|
|
|
|
and $a3, $a1, -4
|
|
|
|
|
beqz $a3, .L803236BC
|
|
|
|
|
subu $a1, $a1, $a3
|
|
|
|
|
addu $a3, $a3, $a0
|
|
|
|
|
.L803236B0:
|
|
|
|
|
addiu $a0, $a0, 4
|
|
|
|
|
bne $a0, $a3, .L803236B0
|
|
|
|
|
sw $zero, -4($a0)
|
|
|
|
|
.L803236BC:
|
|
|
|
|
blez $a1, .L803236D4
|
|
|
|
|
nop
|
|
|
|
|
addu $a1, $a1, $a0
|
|
|
|
|
.L803236C8:
|
|
|
|
|
addiu $a0, $a0, 1
|
|
|
|
|
bne $a0, $a1, .L803236C8
|
|
|
|
|
sb $zero, -1($a0)
|
|
|
|
|
.L803236D4:
|
|
|
|
|
jr $ra
|
2023-08-17 08:56:02 -04:00
|
|
|
#endif
|
2019-08-25 00:46:40 -04:00
|
|
|
|
