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T5.1.c8: type_census: tag+typedef of one def = one type (+selftest); fold F20T onto Obj20_80178D40

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Drew T
2026-09-30 17:01:22 -06:00
parent 804d7d196f
commit 594ea80c8d
4 changed files with 34 additions and 10 deletions
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src/shared/engine_types.h
-1
View File
@@ -744,7 +744,6 @@ struct Entity_80167540 {
/* 0x38 */ Mat_80167540 mat;
};
typedef Blk20_8016DF5C Mat_8016A73C;
typedef struct { u8 pad0[0x12]; u16 unk12; } Obj20_80178D40;
typedef struct Actor_80178D40 {
s16 unk0;
s16 unk2;
src/shared/ov/func_80144B9C.h
+4 -4
View File
@@ -26,7 +26,7 @@
* 2. STRUCT-MEMBER FOLD: at -O0, `struct->field` folds to `lw off(reg)`, but
* `*(T*)(base+const)` AND array `b[k]` both MATERIALIZE an extra `addu`. All
* bases (p10/p14/p18/p1C/hdr/ent) must be struct pointers with exact offsets.
* p10->f20 is a pointer-to-struct field: `p10->f20->f12` folds to `sh 0x12(reg)`.
* p10->f20 is a pointer-to-struct field: `p10->f20->unk12` folds to `sh 0x12(reg)`.
* 3. Chained store `a->x = a->y = a->z = SRC;` reproduces the -O0 shared-value
* multi-store (one load, base addresses computed left-to-right, stored C..A).
* 4. Loop counter `for(i=0;i<8;i++)` (i++ NOT i=i+1): i++ emits the extra
@@ -155,19 +155,19 @@ void func_80144B9C(void) {
p10->f6 = p10->f88 = p10->f90 = p18->f20;
p10->fA = p10->f8A = p10->f92 = p18->f22;
p10->fE = p10->f8C = p10->f94 = p18->f24;
p10->f20->f12 = p18->f26;
p10->f20->unk12 = p18->f26;
p18->f18 = 0;
} else {
p10->f6 = p10->f88 = p10->f90 = ent->f10;
p10->fA = p10->f8A = p10->f92 = ent->f12;
p10->fE = p10->f8C = p10->f94 = ent->f14;
p10->f20->f12 = ent->f16;
p10->f20->unk12 = ent->f16;
}
p10->f154 = p10->f15C = p10->f6;
p10->f156 = p10->f15E = p10->fA;
p10->f158 = p10->f160 = p10->fE;
func_80015978((void *)((s32)p10 + 4), D_80126DB0);
D_80126DB6 = p10->f20->f12;
D_80126DB6 = p10->f20->unk12;
if (*(s16 *)(p + 0xA3DA) == 0x1000 &&
(*(s16 *)(p + 0xA3DC) == 0x1000 || *(s16 *)(p + 0xA3DC) == 0x2000) && flag == 0) {
ent->f18();