From 8a7dd4dc3ed417008ec1685e8d934b4ccb7ad0da Mon Sep 17 00:00:00 2001
From: Wenyong Huang <wenyong.huang@intel.com>
Date: Thu, 8 Sep 2022 15:38:16 +0800
Subject: [PATCH] Remove handling unsupported opcodes in loader (#1464)

Remove handling opcode DROP_64/SELECT_64 in loader stage
prepare_bytecode, as they are the modified opcodes of DROP/SELECT
for optimization purpose, but not the opcodes defined by spec.
---
 core/iwasm/interpreter/wasm_loader.c      | 2 --
 core/iwasm/interpreter/wasm_mini_loader.c | 2 --
 2 files changed, 4 deletions(-)

diff --git a/core/iwasm/interpreter/wasm_loader.c b/core/iwasm/interpreter/wasm_loader.c
index 6fa0a21d..0aeda3ec 100644
--- a/core/iwasm/interpreter/wasm_loader.c
+++ b/core/iwasm/interpreter/wasm_loader.c
@@ -7313,7 +7313,6 @@ re_scan:
             }
 
             case WASM_OP_DROP:
-            case WASM_OP_DROP_64:
             {
                 BranchBlock *cur_block = loader_ctx->frame_csp - 1;
                 int32 available_stack_cell =
@@ -7381,7 +7380,6 @@ re_scan:
             }
 
             case WASM_OP_SELECT:
-            case WASM_OP_SELECT_64:
             {
                 uint8 ref_type;
                 BranchBlock *cur_block = loader_ctx->frame_csp - 1;
diff --git a/core/iwasm/interpreter/wasm_mini_loader.c b/core/iwasm/interpreter/wasm_mini_loader.c
index f3c649ff..ac240689 100644
--- a/core/iwasm/interpreter/wasm_mini_loader.c
+++ b/core/iwasm/interpreter/wasm_mini_loader.c
@@ -5519,7 +5519,6 @@ re_scan:
             }
 
             case WASM_OP_DROP:
-            case WASM_OP_DROP_64:
             {
                 BranchBlock *cur_block = loader_ctx->frame_csp - 1;
                 int32 available_stack_cell =
@@ -5572,7 +5571,6 @@ re_scan:
             }
 
             case WASM_OP_SELECT:
-            case WASM_OP_SELECT_64:
             {
                 uint8 ref_type;
                 BranchBlock *cur_block = loader_ctx->frame_csp - 1;