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Use pointer iterators in matrix ASM code

This commit is contained in:
Ryan Dwyer 2023-05-19 08:12:10 +10:00
parent 1f97533e09
commit c911ee9b2d
1 changed files with 57 additions and 66 deletions
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123
src/lib/mtxasm.s
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@ -40,7 +40,7 @@ glabel mtx4MultMtx4
mfc1 $t3, $f22
mfc1 $t4, $f23
mfc1 $t5, $f24
addiu $t0, $zero, 0x4
addiu $t0, $a2, 0x10
lwc1 $f0, 0x0($a1)
lwc1 $f1, 0x4($a1)
lwc1 $f2, 0x8($a1)
@ -92,11 +92,10 @@ glabel mtx4MultMtx4
swc1 $f23, 0x1c($a2)
mul.s $f23, $f19, $f15
add.s $f22, $f22, $f21
addiu $t0, $t0, -1
add.s $f22, $f22, $f24
addiu $a0, $a0, 0x4
add.s $f22, $f22, $f23
bnez $t0, .L00015a58
bne $t0, $a2, .L00015a58
swc1 $f22, 0x2c($a2)
mtc1 $t1, $f20
mtc1 $t2, $f21
@ -112,7 +111,7 @@ glabel mtx4RotateVec
lwc1 $f0, 0x0($a1)
lwc1 $f1, 0x4($a1)
lwc1 $f2, 0x8($a1)
addiu $t0, $zero, 0x3
addiu $t0, $a0, 0xc
lwc1 $f3, 0x0($a0)
.L00015b28:
lwc1 $f4, 0x10($a0)
@ -124,9 +123,8 @@ glabel mtx4RotateVec
mul.s $f8, $f5, $f2
addiu $a2, $a2, 0x4
add.s $f16, $f9, $f8
addiu $t0, $t0, -1
swc1 $f16, -0x4($a2)
bnez $t0, .L00015b28
bne $t0, $a0, .L00015b28
lwc1 $f3, 0x0($a0)
jr $ra
nop
@ -138,7 +136,7 @@ glabel mtx4TransformVec
lwc1 $f0, 0x0($a1)
lwc1 $f1, 0x4($a1)
lwc1 $f2, 0x8($a1)
addiu $t0, $zero, 0x3
addiu $t0, $a0, 0xc
lwc1 $f3, 0x0($a0)
.L00015b7c:
lwc1 $f4, 0x10($a0)
@ -150,9 +148,8 @@ glabel mtx4TransformVec
mul.s $f8, $f5, $f2
addiu $a2, $a2, 0x4
add.s $f16, $f9, $f8
addiu $t0, $t0, -1
swc1 $f16, -0x4($a2)
bnez $t0, .L00015b7c
bne $t0, $a0, .L00015b7c
lwc1 $f3, 0x0($a0)
lwc1 $f0, -0xc($a2)
lwc1 $f1, -0x8($a2)
@ -187,7 +184,7 @@ glabel mtx00015be4
lwc1 $f9, 0x30($a1)
lwc1 $f10, 0x34($a1)
lwc1 $f11, 0x38($a1)
addiu $t0, $zero, 0x3
addiu $t0, $a0, 0xc
.L00015c28:
lwc1 $f12, 0x0($a0)
addiu $a0, $a0, 0x4
@ -217,62 +214,62 @@ glabel mtx00015be4
mul.s $f22, $f14, $f11
add.s $f20, $f20, $f21
add.s $f22, $f22, $f15
addiu $t0, $t0, -1
add.s $f22, $f20, $f22
addiu $a2, $a2, 0x4
bnez $t0, .L00015c28
bne $t0, $a0, .L00015c28
swc1 $f22, 0x2c($a2)
lui $at, 0x3f80
mtc1 $at, $f0
sw $zero, 0x0($a2)
sw $zero, 0x10($a2)
sw $zero, 0x20($a2)
swc1 $f0, 0x30($a2)
sw $at, 0x30($a2)
mtc1 $t1, $f20
mtc1 $t2, $f21
mtc1 $t3, $f22
jr $ra
mtc1 $t4, $f23
glabel mtx3Copy
addiu $t0, $zero, 0x2
.L00015cdc:
lw $t1, 0x0($a0)
lw $t2, 0x4($a0)
lw $t3, 0x8($a0)
lw $t4, 0xc($a0)
sw $t1, 0x0($a1)
sw $t2, 0x4($a1)
sw $t3, 0x8($a1)
sw $t4, 0xc($a1)
addiu $t0, $t0, -1
addiu $a0, $a0, 0x10
bnez $t0, .L00015cdc
addiu $a1, $a1, 0x10
lw $t0, 0x0($a0)
jr $ra
sw $t0, 0x0($a1)
glabel mtx4Copy
addiu $t0, $zero, 0x4
.L00015d1c:
lw $t1, 0x0($a0)
lw $t2, 0x4($a0)
lw $t3, 0x8($a0)
lw $t4, 0xc($a0)
sw $t1, 0x0($a1)
sw $t2, 0x4($a1)
sw $t3, 0x8($a1)
sw $t4, 0xc($a1)
addiu $t0, $t0, -1
addiu $a0, $a0, 0x10
bnez $t0, .L00015d1c
addiu $a1, $a1, 0x10
lw $t0, 0x00($a0)
lw $t1, 0x04($a0)
lw $t2, 0x08($a0)
lw $t3, 0x0c($a0)
lw $t4, 0x10($a0)
lw $t5, 0x14($a0)
lw $t6, 0x18($a0)
sw $t0, 0x00($a1)
sw $t1, 0x04($a1)
sw $t2, 0x08($a1)
sw $t3, 0x0c($a1)
sw $t4, 0x10($a1)
sw $t5, 0x14($a1)
sw $t6, 0x18($a1)
addiu $a0, $a0, 0x1c
addiu $a1, $a1, 0x1c
glabel mtx3Copy
lw $t0, 0x00($a0)
lw $t1, 0x04($a0)
lw $t2, 0x08($a0)
lw $t3, 0x0c($a0)
lw $t4, 0x10($a0)
lw $t5, 0x14($a0)
lw $t6, 0x18($a0)
lw $t7, 0x1c($a0)
lw $t8, 0x20($a0)
sw $t0, 0x00($a1)
sw $t1, 0x04($a1)
sw $t2, 0x08($a1)
sw $t3, 0x0c($a1)
sw $t4, 0x10($a1)
sw $t5, 0x14($a1)
sw $t6, 0x18($a1)
sw $t7, 0x1c($a1)
jr $ra
nop
sw $t8, 0x20($a1)
glabel mtx3ToMtx4
addiu $t0, $zero, 0x3
addiu $t0, $a1, 0x30
lui $at, 0x3f80
.L00015d60:
lw $t1, 0x0($a0)
@ -282,9 +279,8 @@ glabel mtx3ToMtx4
sw $t2, 0x4($a1)
sw $t3, 0x8($a1)
sw $zero, 0xc($a1)
addiu $t0, $t0, -1
addiu $a1, $a1, 0x10
bnez $t0, .L00015d60
bne $t0, $a1, .L00015d60
addiu $a0, $a0, 0xc
sw $zero, 0x0($a1)
sw $zero, 0x4($a1)
@ -293,7 +289,7 @@ glabel mtx3ToMtx4
sw $at, 0xc($a1)
glabel mtx4ToMtx3
addiu $t0, $zero, 0x3
addiu $t0, $a0, 0x30
.L00015da4:
lw $t1, 0x0($a0)
lw $t2, 0x4($a0)
@ -301,9 +297,8 @@ glabel mtx4ToMtx3
sw $t1, 0x0($a1)
sw $t2, 0x4($a1)
sw $t3, 0x8($a1)
addiu $t0, $t0, -1
addiu $a0, $a0, 0x10
bnez $t0, .L00015da4
bne $t0, $a0, .L00015da4
addiu $a1, $a1, 0xc
jr $ra
nop
@ -399,7 +394,7 @@ glabel mtx00015edc
swc1 $f10, 0x28($a1)
glabel mtx00015f04
addiu $t0, $zero, 0x3
addiu $t0, $a1, 0x30
.L00015f08:
lwc1 $f4, 0x0($a1)
lwc1 $f6, 0x4($a1)
@ -410,17 +405,16 @@ glabel mtx00015f04
mul.s $f8, $f8, $f12
addiu $a1, $a1, 0x10
mul.s $f10, $f10, $f12
addiu $t0, $t0, -1
swc1 $f4, -0x10($a1)
swc1 $f6, -0xc($a1)
swc1 $f8, -0x8($a1)
bnez $t0, .L00015f08
bne $t0, $a1, .L00015f08
swc1 $f10, -0x4($a1)
jr $ra
nop
glabel mtx00015f4c
addiu $t0, $zero, 0x3
addiu $t0, $a1, 0x30
.L00015f50:
lwc1 $f4, 0x0($a1)
lwc1 $f6, 0x4($a1)
@ -429,16 +423,15 @@ glabel mtx00015f4c
mul.s $f6, $f6, $f12
addiu $a1, $a1, 0x10
mul.s $f8, $f8, $f12
addiu $t0, $t0, -1
swc1 $f4, -0x10($a1)
swc1 $f6, -0xc($a1)
bnez $t0, .L00015f50
bne $t0, $a1, .L00015f50
swc1 $f8, -0x8($a1)
jr $ra
nop
glabel mtx00015f88
addiu $t0, $zero, 0x3
addiu $t0, $a1, 0xc
.L00015f8c:
lwc1 $f4, 0x0($a1)
lwc1 $f6, 0x10($a1)
@ -449,11 +442,10 @@ glabel mtx00015f88
mul.s $f8, $f8, $f12
addiu $a1, $a1, 0x4
mul.s $f10, $f10, $f12
addiu $t0, $t0, -1
swc1 $f4, -0x4($a1)
swc1 $f6, 0xc($a1)
swc1 $f8, 0x1c($a1)
bnez $t0, .L00015f8c
bne $t0, $a1, .L00015f8c
swc1 $f10, 0x2c($a1)
jr $ra
nop
@ -461,7 +453,7 @@ glabel mtx00015f88
glabel mtx00016054
lui $t2, %hi(var8005ef10)
addiu $t2, $t2, %lo(var8005ef10)
addiu $t0, $zero, 0x4
addiu $t0, $a0, 0x40
lui $t1, 0xffff
lwc1 $f0, 0x0($t2)
lwc1 $f2, 0x4($t2)
@ -499,8 +491,7 @@ glabel mtx00016054
sw $t7, 0x4($a1)
sw $t2, 0x20($a1)
sw $t5, 0x24($a1)
addiu $t0, $t0, -1
bnez $t0, .L0001606c
bne $t0, $a0, .L0001606c
addiu $a1, $a1, 0x8
jr $ra
nop