From 4af507898b7de71b936fd8fb00d6ac6f1d3dee23 Mon Sep 17 00:00:00 2001
From: mrmr1993 <mr_1993@hotmail.co.uk>
Date: Tue, 5 Dec 2023 18:58:51 +0000
Subject: [PATCH] Add missing instructions in pre-fetcher

---
 optimism/src/mips/witness.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/optimism/src/mips/witness.rs b/optimism/src/mips/witness.rs
index db7e902379..7afc0665b7 100644
--- a/optimism/src/mips/witness.rs
+++ b/optimism/src/mips/witness.rs
@@ -401,6 +401,10 @@ impl<Fp: Field> Env<Fp> {
                 },
                 0x02 => Instruction::JType(JTypeInstruction::Jump),
                 0x03 => Instruction::JType(JTypeInstruction::JumpAndLink),
+                0x04 => Instruction::IType(ITypeInstruction::BranchEq),
+                0x05 => Instruction::IType(ITypeInstruction::BranchNeq),
+                0x06 => Instruction::IType(ITypeInstruction::BranchLeqZero),
+                0x07 => Instruction::IType(ITypeInstruction::BranchGtZero),
                 0x08 => Instruction::IType(ITypeInstruction::AddImmediate),
                 0x09 => Instruction::IType(ITypeInstruction::AddImmediateUnsigned),
                 0x0A => Instruction::IType(ITypeInstruction::SetLessThanImmediate),