From 389de8b107e8e40dad754f036b6e2adc5b5a0936 Mon Sep 17 00:00:00 2001
From: Ben Vanik <ben.vanik@gmail.com>
Date: Sat, 23 Aug 2014 09:55:49 -0700
Subject: [PATCH] Subtract should subtract. Thanks hlide!

---
 src/alloy/backend/x64/x64_sequences.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/alloy/backend/x64/x64_sequences.cc b/src/alloy/backend/x64/x64_sequences.cc
index d316af9c5..a6fbd75af 100644
--- a/src/alloy/backend/x64/x64_sequences.cc
+++ b/src/alloy/backend/x64/x64_sequences.cc
@@ -2878,7 +2878,7 @@ EMITTER(VECTOR_SUB, MATCH(I<OPCODE_VECTOR_SUB, V128<>, V128<>, V128<>>)) {
     _mm_store_si128(reinterpret_cast<__m128i*>(&src1v), src1);
     _mm_store_si128(reinterpret_cast<__m128i*>(&src2v), src2);
     for (size_t i = 0; i < 4; ++i) {
-      auto t = int64_t(src1v[i]) + int64_t(src2v[i]);
+      auto t = int64_t(src1v[i]) - int64_t(src2v[i]);
       value[i] = t < INT_MIN ? INT_MIN : (t > INT_MAX ? INT_MAX : int32_t(t));
     }
     return _mm_load_si128(reinterpret_cast<__m128i*>(&value));