From 14af02d58d7461a379c1fe2b04641b19d039d1c4 Mon Sep 17 00:00:00 2001
From: Matt Witherspoon <32485495+spoonincode@users.noreply.github.com>
Date: Wed, 17 Jul 2024 15:58:39 -0400
Subject: [PATCH] swtich __multi3 to unsigned __int128

---
 .../chain/include/eosio/chain/webassembly/interface.hpp     | 2 +-
 libraries/chain/webassembly/compiler_builtins.cpp           | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libraries/chain/include/eosio/chain/webassembly/interface.hpp b/libraries/chain/include/eosio/chain/webassembly/interface.hpp
index 39093ddeb2..ded9ae59a2 100644
--- a/libraries/chain/include/eosio/chain/webassembly/interface.hpp
+++ b/libraries/chain/include/eosio/chain/webassembly/interface.hpp
@@ -1928,7 +1928,7 @@ namespace webassembly {
          void __lshrti3(legacy_ptr<int128_t>, uint64_t, uint64_t, uint32_t) const;
          void __divti3(legacy_ptr<int128_t>, uint64_t, uint64_t, uint64_t, uint64_t) const;
          void __udivti3(legacy_ptr<uint128_t>, uint64_t, uint64_t, uint64_t, uint64_t) const;
-         void __multi3(legacy_ptr<int128_t>, uint64_t, uint64_t, uint64_t, uint64_t) const;
+         void __multi3(legacy_ptr<uint128_t>, uint64_t, uint64_t, uint64_t, uint64_t) const;
          void __modti3(legacy_ptr<int128_t>, uint64_t, uint64_t, uint64_t, uint64_t) const;
          void __umodti3(legacy_ptr<uint128_t>, uint64_t, uint64_t, uint64_t, uint64_t) const;
          void __addtf3(legacy_ptr<float128_t>, uint64_t, uint64_t, uint64_t, uint64_t) const;
diff --git a/libraries/chain/webassembly/compiler_builtins.cpp b/libraries/chain/webassembly/compiler_builtins.cpp
index 01f1180949..d0278259e3 100644
--- a/libraries/chain/webassembly/compiler_builtins.cpp
+++ b/libraries/chain/webassembly/compiler_builtins.cpp
@@ -66,9 +66,9 @@ namespace eosio { namespace chain { namespace webassembly {
       *ret = lhs;
    }
 
-   void interface::__multi3(legacy_ptr<__int128> ret, uint64_t la, uint64_t ha, uint64_t lb, uint64_t hb) const {
-      __int128 lhs = ha;
-      __int128 rhs = hb;
+   void interface::__multi3(legacy_ptr<uint128_t> ret, uint64_t la, uint64_t ha, uint64_t lb, uint64_t hb) const {
+      uint128_t lhs = ha;
+      uint128_t rhs = hb;
 
       lhs <<= 64;
       lhs |=  la;