From 3abfd2f2d7e3b6aa00e437c1df9929308bf3be4f Mon Sep 17 00:00:00 2001
From: lizzie <lizzie@eden-emu.dev>
Date: Fri, 3 Apr 2026 05:49:48 +0000
Subject: [PATCH] fsck

---
 .../x64/emit_x64_vector_floating_point.cpp    | 95 +++++++++++++++----
 1 file changed, 76 insertions(+), 19 deletions(-)

diff --git a/src/dynarmic/src/dynarmic/backend/x64/emit_x64_vector_floating_point.cpp b/src/dynarmic/src/dynarmic/backend/x64/emit_x64_vector_floating_point.cpp
index 225742e8a6..c588d43a3f 100644
--- a/src/dynarmic/src/dynarmic/backend/x64/emit_x64_vector_floating_point.cpp
+++ b/src/dynarmic/src/dynarmic/backend/x64/emit_x64_vector_floating_point.cpp
@@ -2113,26 +2113,83 @@ void EmitFPVectorToFixed(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst) {
         ctx.reg_alloc.DefineValue(code, inst, src);
         return;
     }
-    auto const fpt_fn = [fbits, rounding]{
-#define ROUNDING_MODE(CASE) \
-    else if (rounding == FP::RoundingMode::CASE && fsize == 8 && fbits == 8) return &EmitFPVectorToFixedThunk<fsize, unsigned_, FP::RoundingMode::CASE, 8>; \
-    else if (rounding == FP::RoundingMode::CASE && fsize == 16 && fbits == 8) return &EmitFPVectorToFixedThunk<fsize, unsigned_, FP::RoundingMode::CASE, 8>; \
-    else if (rounding == FP::RoundingMode::CASE && fsize == 16 && fbits == 16) return &EmitFPVectorToFixedThunk<fsize, unsigned_, FP::RoundingMode::CASE, 16>; \
-    else if (rounding == FP::RoundingMode::CASE && fsize == 32 && fbits == 8) return &EmitFPVectorToFixedThunk<fsize, unsigned_, FP::RoundingMode::CASE, 8>; \
-    else if (rounding == FP::RoundingMode::CASE && fsize == 32 && fbits == 16) return &EmitFPVectorToFixedThunk<fsize, unsigned_, FP::RoundingMode::CASE, 16>; \
-    else if (rounding == FP::RoundingMode::CASE && fsize == 32 && fbits == 32) return &EmitFPVectorToFixedThunk<fsize, unsigned_, FP::RoundingMode::CASE, 32>; \
-    else if (rounding == FP::RoundingMode::CASE && fsize == 64 && fbits == 8) return &EmitFPVectorToFixedThunk<fsize, unsigned_, FP::RoundingMode::CASE, 8>; \
-    else if (rounding == FP::RoundingMode::CASE && fsize == 64 && fbits == 16) return &EmitFPVectorToFixedThunk<fsize, unsigned_, FP::RoundingMode::CASE, 16>; \
-    else if (rounding == FP::RoundingMode::CASE && fsize == 64 && fbits == 32) return &EmitFPVectorToFixedThunk<fsize, unsigned_, FP::RoundingMode::CASE, 32>; \
-    else if (rounding == FP::RoundingMode::CASE && fsize == 64 && fbits == 64) return &EmitFPVectorToFixedThunk<fsize, unsigned_, FP::RoundingMode::CASE, 64>;
-
+    auto const fpt_fn = [fbits, rounding]() -> void (*)(VectorArray<mcl::unsigned_integer_of_size<fsize>>& output, const VectorArray<mcl::unsigned_integer_of_size<fsize>>& input, FP::FPCR fpcr, FP::FPSR& fpsr) {
+#define ROUNDING_MODE_CASE(CASE, N) \
+    else if (rounding == FP::RoundingMode::CASE && fsize >= (N) && fbits == (N)) return &EmitFPVectorToFixedThunk<fsize, unsigned_, FP::RoundingMode::CASE, N>;
+#define ROUNDING_MODE_SWITCH(CASE) \
+    ROUNDING_MODE_CASE(CASE, 0x00) \
+    ROUNDING_MODE_CASE(CASE, 0x01) \
+    ROUNDING_MODE_CASE(CASE, 0x02) \
+    ROUNDING_MODE_CASE(CASE, 0x03) \
+    ROUNDING_MODE_CASE(CASE, 0x04) \
+    ROUNDING_MODE_CASE(CASE, 0x05) \
+    ROUNDING_MODE_CASE(CASE, 0x06) \
+    ROUNDING_MODE_CASE(CASE, 0x07) \
+    ROUNDING_MODE_CASE(CASE, 0x08) \
+    ROUNDING_MODE_CASE(CASE, 0x09) \
+    ROUNDING_MODE_CASE(CASE, 0x0a) \
+    ROUNDING_MODE_CASE(CASE, 0x0b) \
+    ROUNDING_MODE_CASE(CASE, 0x0c) \
+    ROUNDING_MODE_CASE(CASE, 0x0d) \
+    ROUNDING_MODE_CASE(CASE, 0x0e) \
+    ROUNDING_MODE_CASE(CASE, 0x0f) \
+    ROUNDING_MODE_CASE(CASE, 0x10) \
+    ROUNDING_MODE_CASE(CASE, 0x11) \
+    ROUNDING_MODE_CASE(CASE, 0x12) \
+    ROUNDING_MODE_CASE(CASE, 0x13) \
+    ROUNDING_MODE_CASE(CASE, 0x14) \
+    ROUNDING_MODE_CASE(CASE, 0x15) \
+    ROUNDING_MODE_CASE(CASE, 0x16) \
+    ROUNDING_MODE_CASE(CASE, 0x17) \
+    ROUNDING_MODE_CASE(CASE, 0x18) \
+    ROUNDING_MODE_CASE(CASE, 0x19) \
+    ROUNDING_MODE_CASE(CASE, 0x1a) \
+    ROUNDING_MODE_CASE(CASE, 0x1b) \
+    ROUNDING_MODE_CASE(CASE, 0x1c) \
+    ROUNDING_MODE_CASE(CASE, 0x1d) \
+    ROUNDING_MODE_CASE(CASE, 0x1e) \
+    ROUNDING_MODE_CASE(CASE, 0x1f) \
+    ROUNDING_MODE_CASE(CASE, 0x20) \
+    ROUNDING_MODE_CASE(CASE, 0x21) \
+    ROUNDING_MODE_CASE(CASE, 0x22) \
+    ROUNDING_MODE_CASE(CASE, 0x23) \
+    ROUNDING_MODE_CASE(CASE, 0x24) \
+    ROUNDING_MODE_CASE(CASE, 0x25) \
+    ROUNDING_MODE_CASE(CASE, 0x26) \
+    ROUNDING_MODE_CASE(CASE, 0x27) \
+    ROUNDING_MODE_CASE(CASE, 0x28) \
+    ROUNDING_MODE_CASE(CASE, 0x29) \
+    ROUNDING_MODE_CASE(CASE, 0x2a) \
+    ROUNDING_MODE_CASE(CASE, 0x2b) \
+    ROUNDING_MODE_CASE(CASE, 0x2c) \
+    ROUNDING_MODE_CASE(CASE, 0x2d) \
+    ROUNDING_MODE_CASE(CASE, 0x2e) \
+    ROUNDING_MODE_CASE(CASE, 0x2f) \
+    ROUNDING_MODE_CASE(CASE, 0x30) \
+    ROUNDING_MODE_CASE(CASE, 0x31) \
+    ROUNDING_MODE_CASE(CASE, 0x32) \
+    ROUNDING_MODE_CASE(CASE, 0x33) \
+    ROUNDING_MODE_CASE(CASE, 0x34) \
+    ROUNDING_MODE_CASE(CASE, 0x35) \
+    ROUNDING_MODE_CASE(CASE, 0x36) \
+    ROUNDING_MODE_CASE(CASE, 0x37) \
+    ROUNDING_MODE_CASE(CASE, 0x38) \
+    ROUNDING_MODE_CASE(CASE, 0x39) \
+    ROUNDING_MODE_CASE(CASE, 0x3a) \
+    ROUNDING_MODE_CASE(CASE, 0x3b) \
+    ROUNDING_MODE_CASE(CASE, 0x3c) \
+    ROUNDING_MODE_CASE(CASE, 0x3d) \
+    ROUNDING_MODE_CASE(CASE, 0x3e) \
+    ROUNDING_MODE_CASE(CASE, 0x3f)
         if (false) { /* ... */ }
-        ROUNDING_MODE(ToNearest_TieEven)
-        ROUNDING_MODE(TowardsPlusInfinity)
-        ROUNDING_MODE(TowardsMinusInfinity)
-        ROUNDING_MODE(TowardsZero)
-        ROUNDING_MODE(ToNearest_TieAwayFromZero)
-        else return &EmitFPVectorToFixedThunk<fsize, unsigned_, FP::RoundingMode::TowardsZero, 64>;
+        ROUNDING_MODE_SWITCH(ToNearest_TieEven)
+        ROUNDING_MODE_SWITCH(TowardsPlusInfinity)
+        ROUNDING_MODE_SWITCH(TowardsMinusInfinity)
+        ROUNDING_MODE_SWITCH(TowardsZero)
+        ROUNDING_MODE_SWITCH(ToNearest_TieAwayFromZero)
+#undef ROUNDING_MODE_SWITCH
+#undef ROUNDING_MODE_CASE
+        else return nullptr;
     }();
 
     EmitTwoOpFallback<3>(code, ctx, inst, fpt_fn);