Fix #209

source/m3_compile.c

@@ -1486,13 +1486,15 @@ _   (EmitOp         (o, op_CallIndirect));
 }
 
 
-M3Result  Compile_Memory_Current  (IM3Compilation o, m3opcode_t i_opcode)
+M3Result  Compile_Memory_Size  (IM3Compilation o, m3opcode_t i_opcode)
 {
     M3Result result;
 
     i8 reserved;
 _   (ReadLEB_i7 (& reserved, & o->wasm, o->wasmEnd));
 
+_   (PreserveRegisterIfOccupied (o, c_m3Type_i32));
+
 _   (EmitOp     (o, op_MemCurrent));
 
 _   (PushRegister (o, c_m3Type_i32));
@@ -1971,8 +1973,8 @@ const M3OpInfo c_operations [] =
     M3OP( "i64.store16",        -2, none,   d_binOpList (i64, Store_i16),       Compile_Load_Store ),   // 0x3d
     M3OP( "i64.store32",        -2, none,   d_binOpList (i64, Store_i32),       Compile_Load_Store ),   // 0x3e
 
-    M3OP( "memory.current",     1,  i_32,   d_logOp (MemCurrent),               Compile_Memory_Current ),   // 0x3f
-    M3OP( "memory.grow",        1,  i_32,   d_logOp (MemGrow),                  Compile_Memory_Grow ),      // 0x40
+    M3OP( "memory.size",        1,  i_32,   d_logOp (MemCurrent),               Compile_Memory_Size ),  // 0x3f
+    M3OP( "memory.grow",        1,  i_32,   d_logOp (MemGrow),                  Compile_Memory_Grow ),  // 0x40
 
     M3OP( "i32.const",          1,  i_32,   d_logOp (Const32),                  Compile_Const_i32 ),    // 0x41
     M3OP( "i64.const",          1,  i_64,   d_logOp (Const64),                  Compile_Const_i64 ),    // 0x42