mirror of
https://github.com/coop-deluxe/sm64coopdx.git
synced 2024-11-25 21:45:12 +00:00
101 lines
2.5 KiB
ArmAsm
101 lines
2.5 KiB
ArmAsm
|
# assembler directives
|
||
|
|
.set noat # allow manual use of $at
|
||
|
|
.set noreorder # don't insert nops after branches
|
||
|
|
.set gp=64
|
||
|
|
|
||
|
|
.include "macros.inc"
|
||
|
|
|
||
|
|
|
||
|
|
.section .text, "ax"
|
||
|
|
|
||
|
|
/* -------------------------------------------------------------------------------------- */
|
||
|
|
/* need to asm these functions because lib32gcc-7-dev-mips-cross does not exist so we */
|
||
|
|
/* cannot naturally link a libgcc variant for this target given this architecture and */
|
||
|
|
/* compiler. Until we have a good workaround with a gcc target that doesn't involve */
|
||
|
|
/* assuming a 32-bit to 64-bit change, we have to encode these functions as raw assembly */
|
||
|
|
/* for it to compile. */
|
||
|
|
/* -------------------------------------------------------------------------------------- */
|
||
|
|
|
||
|
|
/* TODO: Is there a non-insane way to fix this hack that doesn't involve the user compiling */
|
||
|
|
/* a library themselves? */
|
||
|
|
glabel __umoddi3
|
||
|
|
sw $a0, ($sp)
|
||
|
|
sw $a1, 4($sp)
|
||
|
|
sw $a2, 8($sp)
|
||
|
|
sw $a3, 0xc($sp)
|
||
|
|
ld $t7, 8($sp)
|
||
|
|
ld $t6, ($sp)
|
||
|
|
ddivu $zero, $t6, $t7
|
||
|
|
bnez $t7, .L80324144
|
||
|
|
nop
|
||
|
|
break 7
|
||
|
|
.L80324144:
|
||
|
|
mfhi $v0
|
||
|
|
dsll32 $v1, $v0, 0
|
||
|
|
dsra32 $v1, $v1, 0
|
||
|
|
jr $ra
|
||
|
|
dsra32 $v0, $v0, 0
|
||
|
|
|
||
|
|
glabel __udivdi3
|
||
|
|
sw $a0, ($sp)
|
||
|
|
sw $a1, 4($sp)
|
||
|
|
sw $a2, 8($sp)
|
||
|
|
sw $a3, 0xc($sp)
|
||
|
|
ld $t7, 8($sp)
|
||
|
|
ld $t6, ($sp)
|
||
|
|
ddivu $zero, $t6, $t7
|
||
|
|
bnez $t7, .L80324180
|
||
|
|
nop
|
||
|
|
break 7
|
||
|
|
.L80324180:
|
||
|
|
mflo $v0
|
||
|
|
dsll32 $v1, $v0, 0
|
||
|
|
dsra32 $v1, $v1, 0
|
||
|
|
jr $ra
|
||
|
|
dsra32 $v0, $v0, 0
|
||
|
|
|
||
|
|
glabel __moddi3
|
||
|
|
sw $a0, ($sp)
|
||
|
|
sw $a1, 4($sp)
|
||
|
|
sw $a2, 8($sp)
|
||
|
|
sw $a3, 0xc($sp)
|
||
|
|
ld $t7, 8($sp)
|
||
|
|
ld $t6, ($sp)
|
||
|
|
ddivu $zero, $t6, $t7
|
||
|
|
bnez $t7, .L803241E8
|
||
|
|
nop
|
||
|
|
break 7
|
||
|
|
.L803241E8:
|
||
|
|
mfhi $v0
|
||
|
|
dsll32 $v1, $v0, 0
|
||
|
|
dsra32 $v1, $v1, 0
|
||
|
|
jr $ra
|
||
|
|
dsra32 $v0, $v0, 0
|
||
|
|
|
||
|
|
glabel __divdi3
|
||
|
|
sw $a0, ($sp)
|
||
|
|
sw $a1, 4($sp)
|
||
|
|
sw $a2, 8($sp)
|
||
|
|
sw $a3, 0xc($sp)
|
||
|
|
ld $t7, 8($sp)
|
||
|
|
ld $t6, ($sp)
|
||
|
|
ddiv $zero, $t6, $t7
|
||
|
|
nop
|
||
|
|
bnez $t7, .L80324228
|
||
|
|
nop
|
||
|
|
break 7
|
||
|
|
.L80324228:
|
||
|
|
daddiu $at, $zero, -1
|
||
|
|
bne $t7, $at, .L80324244
|
||
|
|
daddiu $at, $zero, 1
|
||
|
|
dsll32 $at, $at, 0x1f
|
||
|
|
bne $t6, $at, .L80324244
|
||
|
|
nop
|
||
|
|
break 6
|
||
|
|
.L80324244:
|
||
|
|
mflo $v0
|
||
|
|
dsll32 $v1, $v0, 0
|
||
|
|
dsra32 $v1, $v1, 0
|
||
|
|
jr $ra
|
||
|
|
dsra32 $v0, $v0, 0
|