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Improve the state of handwritten assembly files (#865)

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* 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
This commit is contained in:
Tharo 2022-05-01 00:03:22 +01:00 • committed by GitHub
parent b9fded7b4e
commit 7334ffa373
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62 changed files with 2758 additions and 2083 deletions
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59
asm/guNormalize.s
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@ -1,37 +1,32 @@
.include "macro.inc"
#include "ultra64/asm.h"
# assembler directives
.set noat # allow manual use of $at
.set noreorder # don't insert nops after branches
.set gp=64 # allow use of 64-bit general purpose registers
.set noat
.set noreorder
.section .text
.balign 16
.balign 32
/* B7B2F0 80104150 00000000 */ nop
/* B7B2F4 80104154 00000000 */ nop
/* B7B2F8 80104158 00000000 */ nop
/* B7B2FC 8010415C 00000000 */ nop
glabel guNormalize
/* B7B300 80104160 C4840000 */ lwc1 $f4, ($a0)
/* B7B304 80104164 C4A60000 */ lwc1 $f6, ($a1)
/* B7B308 80104168 C4C80000 */ lwc1 $f8, ($a2)
/* B7B30C 8010416C 46042282 */ mul.s $f10, $f4, $f4
/* B7B310 80104170 3C083F80 */ li $t0, 0x3F800000 # 0.000000
/* B7B314 80104174 46063402 */ mul.s $f16, $f6, $f6
/* B7B318 80104178 46105480 */ add.s $f18, $f10, $f16
/* B7B31C 8010417C 46084402 */ mul.s $f16, $f8, $f8
/* B7B320 80104180 46128280 */ add.s $f10, $f16, $f18
/* B7B324 80104184 44889000 */ mtc1 $t0, $f18
/* B7B328 80104188 46005404 */ sqrt.s $f16, $f10
/* B7B32C 8010418C 46109283 */ div.s $f10, $f18, $f16
/* B7B330 80104190 460A2402 */ mul.s $f16, $f4, $f10
/* B7B334 80104194 00000000 */ nop
/* B7B338 80104198 460A3482 */ mul.s $f18, $f6, $f10
/* B7B33C 8010419C 00000000 */ nop
/* B7B340 801041A0 460A4102 */ mul.s $f4, $f8, $f10
/* B7B344 801041A4 E4900000 */ swc1 $f16, ($a0)
/* B7B348 801041A8 E4B20000 */ swc1 $f18, ($a1)
/* B7B34C 801041AC 03E00008 */ jr $ra
/* B7B350 801041B0 E4C40000 */ swc1 $f4, ($a2)
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)