mirror of
https://github.com/zeldaret/oot.git
synced 2024-09-21 12:54:51 +00:00
7334ffa373
* Format all handwritten asm and document some * Use c preprocessor for constants * Fix * Fix PI_STATUS_ERROR, some label improvements * Avoid hi/lo for constants * Some more comments * Properly mark functions as functions and their sizes * Fix merge * Improvements * Review suggestions, rework procedure start/end macros to be more like libreultra * Move IPL3 symbol definitions into ipl3.s * Fix undefined_syms, add include and language guards to asm.h and fix the comment in gbi.h * Consistent hex capitalization, add some MIPS builtin defines to CC_CHECK to behave properly * Add -no-pad-sections assembler option and clean up alignment in gu files and bzero * Further suggestions and improvements * Matrix conversion function clarifications * Fix passing AVOID_UB to gcc * Suggestions * Suggestions, global interrupt mask improvements * Further suggestions, interrupt mask comments * Comments fixes, rdb.h * Switch from # comments to // comments, remove unnecesary .set gp=64 directives * Further review suggestions * Missed one
33 lines
619 B
ArmAsm
33 lines
619 B
ArmAsm
#include "ultra64/asm.h"
|
|
|
|
.set noat
|
|
.set noreorder
|
|
|
|
.section .text
|
|
|
|
.balign 32
|
|
|
|
LEAF(guNormalize)
|
|
lwc1 $f4, ($a0)
|
|
lwc1 $f6, ($a1)
|
|
lwc1 $f8, ($a2)
|
|
mul.s $f10, $f4, $f4
|
|
li $t0, 0x3F800000 // 1.0f
|
|
mul.s $f16, $f6, $f6
|
|
add.s $f18, $f10, $f16
|
|
mul.s $f16, $f8, $f8
|
|
add.s $f10, $f16, $f18
|
|
mtc1 $t0, $f18
|
|
sqrt.s $f16, $f10
|
|
div.s $f10, $f18, $f16
|
|
mul.s $f16, $f4, $f10
|
|
nop
|
|
mul.s $f18, $f6, $f10
|
|
nop
|
|
mul.s $f4, $f8, $f10
|
|
swc1 $f16, ($a0)
|
|
swc1 $f18, ($a1)
|
|
jr $ra
|
|
swc1 $f4, ($a2)
|
|
END(guNormalize)
|