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phase-36: S105 s105_f9_minlever — func_80186CE0 banked at 0 through the whole-object gate + propagated — f9 minimum-lever PROVEN 3 → 3 (a 20-byte struct copy over five carved word symbols — a parked carve change; markers carry the pass)

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Drew T
2026-09-11 19:14:20 -06:00
parent f0aba38fc6
commit c2455f5d3e
3 changed files with 191 additions and 190 deletions
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src/ov_SC02_027/ov_SC02_027_jr_8017D898.c
+3 -3
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@@ -8384,9 +8384,9 @@ s32 a1;
{
s32 sp10[5];
s32 obj;
register s32 w __asm__("$7"); // !FAKE: pin $7 — NEEDED DIFFERS (P36 rung B tus9)
register s32 w __asm__("$7"); // !FAKE: pin $7 — the 20-byte record copy is ONE movstrsi_internal insn in the original (mips.md:3587); its four temps are local-alloc SCRATCH qtys (v1,a0,a1,a3 around obj's a2), unreachable from scalar loads (P36 S105 f9 minimum-lever; plain C = scratch/s1.c, parked: one struct table for D_801AFBD8..E8)
s32 x, y, z;
register s32 t __asm__("$3"); // !FAKE: pin $3 — NEEDED DIFFERS (P36 rung B tus9)
register s32 t __asm__("$3"); // !FAKE: pin $3 — the fifth word reuses the block move's first temp (output_block_move, mips.c:2444) (P36 S105 f9 minimum-lever)
obj = (s32)a0;
x = D_801AFBD8[a1 * 5];
@@ -8399,7 +8399,7 @@ s32 a1;
sp10[3] = w;
t = D_801AFBE8[a1 * 5];
sp10[4] = t;
__asm__ __volatile__("" ::: "memory"); // !FAKE: barrier memory — NEEDED DIFFERS (P36 rung B tus9)
__asm__ __volatile__("" ::: "memory"); // !FAKE: barrier memory — the `nop` after the fifth `lw` is inside output_block_move's template (mips.c:2444), which the scheduler cannot fill (P36 S105 f9 minimum-lever)
((u16 *)sp10)[0] = ((u16 *)sp10)[0] + *(u16 *)(obj + 6);
((u16 *)sp10)[1] = ((u16 *)sp10)[1] + *(u16 *)(obj + 0xA);
((u16 *)sp10)[2] = ((u16 *)sp10)[2] + *(u16 *)(obj + 0xE);