check if we can split (linear scan)

src/compiler/wasm-linkage.cc

Index: src/compiler/wasm-linkage.cc
diff --git a/src/compiler/wasm-linkage.cc b/src/compiler/wasm-linkage.cc
index f0e14ce3e9773009f908ff7c4a768178528115e3..41acf55c441fc3413480286ab21f9eb5911fbab6 100644
--- a/src/compiler/wasm-linkage.cc
+++ b/src/compiler/wasm-linkage.cc
@@ -58,7 +58,7 @@ LinkageLocation stackloc(int i) {
 // ===========================================================================
 // == ia32 ===================================================================
 // ===========================================================================
-#define GP_PARAM_REGISTERS eax, edx, ecx, ebx
+#define GP_PARAM_REGISTERS eax, edx, ecx, ebx, esi
 #define GP_RETURN_REGISTERS eax, edx
 #define FP_PARAM_REGISTERS xmm1, xmm2, xmm3, xmm4, xmm5, xmm6
 #define FP_RETURN_REGISTERS xmm1, xmm2