Revert "Suppress some warning"

This reverts commit 5bf637a429bbcf09092b8d189010c50d61c3562f.

2 files changed, 5 insertions, 3 deletions

diff --git a/qtmips_machine/alu.cpp b/qtmips_machine/alu.cpp
index 73c49e4..d6e7254 100644
--- a/qtmips_machine/alu.cpp
+++ b/qtmips_machine/alu.cpp
@@ -40,13 +40,13 @@ std::uint32_t alu_operate(enum AluOp operation, std::uint32_t s, std::uint32_t t
         case ALU_OP_ADD:
             if (s > (0xFFFFFFFF - t))
                 throw QTMIPS_EXCEPTION(Overflow, "ADD operation overflow/underflow", QString::number(s) + QString(" + ") + QString::number(t));
-            __attribute__((fallthrough));
+            // Intentional falltrough
         case ALU_OP_ADDU:
             return s + t;
         case ALU_OP_SUB:
             if (s < t)
                 throw QTMIPS_EXCEPTION(Overflow, "SUB operation overflow/underflow", QString::number(s) + QString(" - ") + QString::number(t));
-            __attribute__((fallthrough));
+            // Intentional falltrough
         case ALU_OP_SUBU:
             return s - t;
         case ALU_OP_AND:
diff --git a/qtmips_machine/instruction.cpp b/qtmips_machine/instruction.cpp
index 4137fdd..b6abebc 100644
--- a/qtmips_machine/instruction.cpp
+++ b/qtmips_machine/instruction.cpp
@@ -67,7 +67,9 @@ Instruction::Instruction(std::uint8_t opcode, std::uint32_t address) {
     this->dt |= address;
 }
 
-Instruction::Instruction(const Instruction &i) : Instruction(i.data()) { }
+Instruction::Instruction(const Instruction &i) {
+    this->dt = i.data();
+}
 
 QString Instruction::to_str() {
     if  (this->opcode() >= sizeof(instruction_map))