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feat(decomp): t6-recover gate — +1 fns x0 propagated (fleet None%)

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Drew T
2026-07-30 17:10:09 -06:00
parent 41a19efc00
commit cb0d3c185b
1 changed files with 105 additions and 1 deletions
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src/ov_SC06_018/ov_SC06_018_jr_8017C24C.c
+105 -1
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@@ -4693,7 +4693,111 @@ INCLUDE_ASM("asm/ov_SC06_018/nonmatchings/ov_SC06_018_jr_8017C24C", func_801857C
INCLUDE_ASM("asm/ov_SC06_018/nonmatchings/ov_SC06_018_jr_8017C24C", func_80185944);
INCLUDE_ASM("asm/ov_SC06_018/nonmatchings/ov_SC06_018_jr_8017C24C", func_8018598C);
// @class: regalloc-order
// @stuck: none — MATCH (168/168). $s4/$s5 pins for base+&local28; s32 sVar1 for single lh;
// inverted if for bnez; sp20[3] array so 3 stores survive DSE; fresh-pseudo c=coord in
// the else so gcc keeps s2v as the commutative addu's first operand (§10 A1 via pseudo order).
#include "common.h"
typedef struct {
u8 pad0[6];
u16 f6; /* 0x06 -> D_80126B5E */
u8 pad8[2];
u16 fa; /* 0x0A -> D_80126B62 */
u8 padc[2];
u16 fe; /* 0x0E -> D_80126B66 */
} StructB58;
extern s32 D_80126B58;
extern s32 *D_80126B78; /* holds a pointer value */
extern u16 D_800B99DA;
extern u8 D_801B5184;
extern int rand(void);
extern s32 func_8012BEE8(s32 a0);
extern void func_8012B0B4(unsigned int *p, int a1, int a2);
extern s32 func_8012B744(void *a0, void *a1);
extern s32 func_8012B608(s32 a0, s32 a1, s32 a2);
extern void func_8012B178(s32 a0, s32 a1);
extern s32 func_8018765C(s32 a0);
extern void func_801877E4(s32 a0);
extern void func_8012F14C(s32 a0);
extern void func_80189380(s32, void*, void*, s32);
extern void func_8018931C(s32, void*, s32, s32, s32, s32);
extern s32 func_80013478(s32 a0, s32 a1);
void func_8018598C(s32 param_1) {
u8 auStack_38[8];
s16 sp20[3];
u8 auStack_28[8];
register StructB58 *b58 __asm__("$20") = &(*(StructB58 *)&D_80126B58); /* $s4 */
short *psVar7 = (short *)(param_1 + 0xec);
s32 sVar1;
s32 r_b608;
if (func_8012BEE8(param_1) != 0) {
register unsigned int *p28 __asm__("$21") = (unsigned int *)auStack_28; /* $s5 */
s32 r0 = rand();
s32 coord;
s32 s2v;
s32 r3;
s32 tmp;
coord = r0 % 0x400;
sVar1 = *(s16 *)((*(s32 *)&(*(s32 *)&D_80126B78)) + 0x12);
s2v = sVar1 + 0x800;
if ((rand() & 1) == 0) {
coord = s2v - coord;
} else {
s32 c = coord; /* fresh pseudo so gcc keeps s2v first in the addu (§10 A1) */
coord = s2v + c;
}
func_8012B0B4(p28, coord, rand() % 0x200 + 0x200);
tmp = *(s32 *)auStack_28;
psVar7[0] = b58->f6 + tmp;
psVar7[1] = b58->fa;
psVar7[2] = b58->fe + (tmp >> 16);
r3 = rand();
*(s32 *)(param_1 + 0x1c) = 0x80;
*(s16 *)(param_1 + 0x100) = r3 % 9 + 8;
}
if ((*(u32 *)(param_1 + 0xe0) & 0x40) == 0) {
*(u32 *)(param_1 + 0xe8) = func_8012B744((void *)(param_1 + 4), psVar7);
}
r_b608 = func_8012B608((s32)*(s16 *)(*(s32 *)(param_1 + 0x20) + 0x12),
*(s32 *)(param_1 + 0xe8),
(s32)*(s16 *)(param_1 + 0x100));
*(u16 *)(*(s32 *)(param_1 + 0x20) + 0x12) =
*(u16 *)(*(s32 *)(param_1 + 0x20) + 0x12) + r_b608;
func_8012B178(param_1, 0xfffa0000);
*(u32 *)(param_1 + 0xe0) &= 0xffffffbf;
if (func_8018765C(param_1) == 0) {
func_801877E4(param_1);
sp20[1] = 0;
sp20[0] = 0;
sp20[2] = -0x100;
((void (*)(s32, s32, s32))func_8012F14C)(*(s32 *)(param_1 + 0x20) + 0x34,
(s32)sp20, (s32)psVar7);
}
if (((u32)D_800B99DA % 0x28 == 0) && ((*(u32 *)(param_1 + 0xe0) & 0x80) == 0)) {
((void (*)(s32, s32, s32, s32))func_80189380)(param_1, (s32)&D_801B5184, (s32)auStack_38, 0xb);
((void (*)(s32, s32, s32, s32, s32, s32))func_8018931C)(param_1, (s32)auStack_38, 0x282, 1, 0, 0);
*(u32 *)(param_1 + 0xe0) |= 0x80;
}
if (func_80013478(param_1 + 4, (s32)psVar7) < 0x400) {
*(s32 *)(param_1 + 0x1c) = 0;
}
}
INCLUDE_ASM("asm/ov_SC06_018/nonmatchings/ov_SC06_018_jr_8017C24C", func_80185C2C);