From f72c5b6e387d121f25843fd1ded04b1a7b393590 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=9F=B3=E5=8D=9A=E6=96=87?= <sbw@sbw.so>
Date: Sun, 4 Jan 2026 23:44:18 +0800
Subject: [PATCH] refactor: Move gcc flags to common build script.

---
 CMakeLists.txt                                        | 6 ------
 build-scripts/config_common.cmake                     | 5 +++++
 core/iwasm/libraries/wasi-nn/cmake/iwasm_helper.cmake | 6 ------
 product-mini/platforms/android/CMakeLists.txt         | 6 ------
 product-mini/platforms/cosmopolitan/CMakeLists.txt    | 8 --------
 product-mini/platforms/ios/CMakeLists.txt             | 6 ------
 product-mini/platforms/linux/CMakeLists.txt           | 3 +--
 product-mini/platforms/windows/CMakeLists.txt         | 6 ------
 samples/basic/CMakeLists.txt                          | 5 -----
 samples/file/src/CMakeLists.txt                       | 5 -----
 samples/import-func-callback/CMakeLists.txt           | 5 -----
 samples/inst-context-threads/CMakeLists.txt           | 5 -----
 samples/inst-context/CMakeLists.txt                   | 5 -----
 samples/multi-module/CMakeLists.txt                   | 5 -----
 samples/native-stack-overflow/CMakeLists.txt          | 5 -----
 samples/ref-types/CMakeLists.txt                      | 5 -----
 samples/shared-heap/CMakeLists.txt                    | 5 -----
 samples/shared-module/CMakeLists.txt                  | 5 -----
 samples/terminate/CMakeLists.txt                      | 5 -----
 samples/wasm-c-api/CMakeLists.txt                     | 5 -----
 test-tools/aot-analyzer/CMakeLists.txt                | 6 ------
 tests/standalone/test-invoke-native/CMakeLists.txt    | 6 ------
 wamr-compiler/CMakeLists.txt                          | 2 +-
 23 files changed, 7 insertions(+), 113 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index afa8af7d5..3872b2c9c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -131,12 +131,6 @@ if (NOT WIN32)
   string (REGEX REPLACE "  *" " " CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
 endif()
 
-if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-  if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-  endif ()
-endif ()
-
 # The following flags are to enhance security, but it may impact performance,
 # we disable them by default.
 #if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
diff --git a/build-scripts/config_common.cmake b/build-scripts/config_common.cmake
index cb15b8b01..6d53d7860 100644
--- a/build-scripts/config_common.cmake
+++ b/build-scripts/config_common.cmake
@@ -79,8 +79,13 @@ if (WAMR_BUILD_TARGET MATCHES "ARM.*")
 elseif (WAMR_BUILD_TARGET MATCHES "THUMB.*")
   set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mthumb")
   set (CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -Wa,-mthumb")
+elseif (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
+    if (CMAKE_C_COMPILER MATCHES ".*gcc.*" OR CMAKE_C_COMPILER_ID MATCHES ".*GNU")
+      set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
+    endif ()
 endif ()
 
+
 include (${CMAKE_CURRENT_LIST_DIR}/warnings.cmake)
 
 if (NOT WAMR_BUILD_INTERP EQUAL 1)
diff --git a/core/iwasm/libraries/wasi-nn/cmake/iwasm_helper.cmake b/core/iwasm/libraries/wasi-nn/cmake/iwasm_helper.cmake
index 0dc6e79fc..45518de59 100644
--- a/core/iwasm/libraries/wasi-nn/cmake/iwasm_helper.cmake
+++ b/core/iwasm/libraries/wasi-nn/cmake/iwasm_helper.cmake
@@ -28,12 +28,6 @@ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wformat -Wformat-security -W
 
 set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wformat -Wformat-security -Wno-unused")
 
-if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-  if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-  endif ()
-endif ()
-
 set (WAMR_BUILD_INTERP 1)
 set (WAMR_BUILD_AOT 1)
 set (WAMR_BUILD_JIT 0)
diff --git a/product-mini/platforms/android/CMakeLists.txt b/product-mini/platforms/android/CMakeLists.txt
index 28bbad186..7c4671331 100644
--- a/product-mini/platforms/android/CMakeLists.txt
+++ b/product-mini/platforms/android/CMakeLists.txt
@@ -111,12 +111,6 @@ set_version_info (vmlib)
 
 set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections -pie -fPIE")
 
-if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-  if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-  endif ()
-endif ()
-
 # The following flags are to enhance security, but it may impact performance,
 # we disable them by default.
 #if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
diff --git a/product-mini/platforms/cosmopolitan/CMakeLists.txt b/product-mini/platforms/cosmopolitan/CMakeLists.txt
index fcafcc3a2..6b834369e 100644
--- a/product-mini/platforms/cosmopolitan/CMakeLists.txt
+++ b/product-mini/platforms/cosmopolitan/CMakeLists.txt
@@ -136,14 +136,6 @@ set_version_info (vmlib)
 
 set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
 
-if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-  if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mindirect-branch-register")
-    # UNDEFINED BEHAVIOR, refer to https://en.cppreference.com/w/cpp/language/ub
-  endif ()
-endif ()
-
 # The following flags are to enhance security, but it may impact performance,
 # we disable them by default.
 #if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
diff --git a/product-mini/platforms/ios/CMakeLists.txt b/product-mini/platforms/ios/CMakeLists.txt
index 2b71146cb..80c618e8d 100644
--- a/product-mini/platforms/ios/CMakeLists.txt
+++ b/product-mini/platforms/ios/CMakeLists.txt
@@ -113,12 +113,6 @@ include (${WAMR_ROOT_DIR}/build-scripts/runtime_lib.cmake)
 
 set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections -pie -fPIE")
 
-if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-  if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-  endif ()
-endif ()
-
 # The following flags are to enhance security, but it may impact performance,
 # we disable them by default.
 #if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
diff --git a/product-mini/platforms/linux/CMakeLists.txt b/product-mini/platforms/linux/CMakeLists.txt
index b6280aa6c..487e50b21 100644
--- a/product-mini/platforms/linux/CMakeLists.txt
+++ b/product-mini/platforms/linux/CMakeLists.txt
@@ -140,9 +140,8 @@ check_pie_supported()
 set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
 
 if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-  if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
+  if (CMAKE_C_COMPILER MATCHES ".*gcc.*" OR CMAKE_C_COMPILER_ID MATCHES ".*GNU")
     set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mindirect-branch-register")
     # UNDEFINED BEHAVIOR, refer to https://en.cppreference.com/w/cpp/language/ub
   endif ()
 endif ()
diff --git a/product-mini/platforms/windows/CMakeLists.txt b/product-mini/platforms/windows/CMakeLists.txt
index 39b373deb..326c2cf6c 100644
--- a/product-mini/platforms/windows/CMakeLists.txt
+++ b/product-mini/platforms/windows/CMakeLists.txt
@@ -114,12 +114,6 @@ if (NOT MINGW)
   set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH:NO")
 endif ()
 
-if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-  if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-  endif ()
-endif ()
-
 # The following flags are to enhance security, but it may impact performance,
 # we disable them by default.
 #if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
diff --git a/samples/basic/CMakeLists.txt b/samples/basic/CMakeLists.txt
index e34961290..244ed81c1 100644
--- a/samples/basic/CMakeLists.txt
+++ b/samples/basic/CMakeLists.txt
@@ -60,11 +60,6 @@ if (NOT MSVC)
   if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang"))
     set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
   endif ()
-  if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-    if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-      set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-    endif ()
-  endif ()
 endif ()
 
 # build out vmlib
diff --git a/samples/file/src/CMakeLists.txt b/samples/file/src/CMakeLists.txt
index 5efb55270..11cbd5ac1 100644
--- a/samples/file/src/CMakeLists.txt
+++ b/samples/file/src/CMakeLists.txt
@@ -61,11 +61,6 @@ if (NOT MSVC)
   if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang"))
     set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
   endif ()
-  if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-    if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-      set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-    endif ()
-  endif ()
 endif ()
 
 # build out vmlib
diff --git a/samples/import-func-callback/CMakeLists.txt b/samples/import-func-callback/CMakeLists.txt
index f1810880c..64a4ddc7b 100644
--- a/samples/import-func-callback/CMakeLists.txt
+++ b/samples/import-func-callback/CMakeLists.txt
@@ -53,11 +53,6 @@ if (NOT MSVC)
     set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
   endif ()
   set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wformat -Wformat-security")
-  if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-    if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-      set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-    endif ()
-  endif ()
 endif ()
 
 # build out vmlib
diff --git a/samples/inst-context-threads/CMakeLists.txt b/samples/inst-context-threads/CMakeLists.txt
index f6e373c69..6d4b1e856 100644
--- a/samples/inst-context-threads/CMakeLists.txt
+++ b/samples/inst-context-threads/CMakeLists.txt
@@ -61,11 +61,6 @@ if (NOT MSVC)
   if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang"))
     set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
   endif ()
-  if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-    if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-      set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-    endif ()
-  endif ()
 endif ()
 
 # build out vmlib
diff --git a/samples/inst-context/CMakeLists.txt b/samples/inst-context/CMakeLists.txt
index 3152313d2..91584ad9c 100644
--- a/samples/inst-context/CMakeLists.txt
+++ b/samples/inst-context/CMakeLists.txt
@@ -60,11 +60,6 @@ if (NOT MSVC)
   if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang"))
     set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
   endif ()
-  if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-    if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-      set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-    endif ()
-  endif ()
 endif ()
 
 # build out vmlib
diff --git a/samples/multi-module/CMakeLists.txt b/samples/multi-module/CMakeLists.txt
index 0e95d96ab..c823e517b 100644
--- a/samples/multi-module/CMakeLists.txt
+++ b/samples/multi-module/CMakeLists.txt
@@ -65,11 +65,6 @@ set(WAMR_BUILD_MULTI_MODULE 1)
 if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang"))
   set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
 endif ()
-if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-  if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-  endif ()
-endif ()
 
 # build out vmlib
 set(WAMR_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/../..)
diff --git a/samples/native-stack-overflow/CMakeLists.txt b/samples/native-stack-overflow/CMakeLists.txt
index f86becea3..48ffd4f5b 100644
--- a/samples/native-stack-overflow/CMakeLists.txt
+++ b/samples/native-stack-overflow/CMakeLists.txt
@@ -60,11 +60,6 @@ if (NOT MSVC)
   if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang"))
     set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
   endif ()
-  if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-    if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-      set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-    endif ()
-  endif ()
 endif ()
 
 if (CMAKE_C_COMPILER_ID MATCHES "Clang" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER 13.0.0)
diff --git a/samples/ref-types/CMakeLists.txt b/samples/ref-types/CMakeLists.txt
index 702e846ab..13807444d 100644
--- a/samples/ref-types/CMakeLists.txt
+++ b/samples/ref-types/CMakeLists.txt
@@ -74,11 +74,6 @@ if (NOT MSVC)
   if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang"))
     set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
   endif ()
-  if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-    if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-      set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-    endif ()
-  endif ()
 endif()
 # build out vmlib
 set(WAMR_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/../..)
diff --git a/samples/shared-heap/CMakeLists.txt b/samples/shared-heap/CMakeLists.txt
index 6d41de0d7..89e79a5b3 100644
--- a/samples/shared-heap/CMakeLists.txt
+++ b/samples/shared-heap/CMakeLists.txt
@@ -61,11 +61,6 @@ if (NOT MSVC)
   if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang"))
     set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
   endif ()
-  if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-    if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-      set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-    endif ()
-  endif ()
 endif ()
 
 # build out vmlib
diff --git a/samples/shared-module/CMakeLists.txt b/samples/shared-module/CMakeLists.txt
index 8bd3b2399..552aa9315 100644
--- a/samples/shared-module/CMakeLists.txt
+++ b/samples/shared-module/CMakeLists.txt
@@ -65,11 +65,6 @@ if (NOT MSVC)
   if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang"))
     set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
   endif ()
-  if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-    if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-      set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-    endif ()
-  endif ()
 endif ()
 
 # build out vmlib
diff --git a/samples/terminate/CMakeLists.txt b/samples/terminate/CMakeLists.txt
index 196ff5842..80b8fb688 100644
--- a/samples/terminate/CMakeLists.txt
+++ b/samples/terminate/CMakeLists.txt
@@ -68,11 +68,6 @@ if (NOT MSVC)
   if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang"))
     set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
   endif ()
-  if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-    if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-      set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-    endif ()
-  endif ()
 endif ()
 
 # build out vmlib
diff --git a/samples/wasm-c-api/CMakeLists.txt b/samples/wasm-c-api/CMakeLists.txt
index a186bf654..fb95a0628 100644
--- a/samples/wasm-c-api/CMakeLists.txt
+++ b/samples/wasm-c-api/CMakeLists.txt
@@ -89,11 +89,6 @@ if (NOT MSVC)
   if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang"))
     set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
   endif ()
-  if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-    if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-      set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-    endif ()
-  endif ()
 endif()
 # build out vmlib
 set(WAMR_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/../..)
diff --git a/test-tools/aot-analyzer/CMakeLists.txt b/test-tools/aot-analyzer/CMakeLists.txt
index 062f9d2c3..9c317a6e6 100644
--- a/test-tools/aot-analyzer/CMakeLists.txt
+++ b/test-tools/aot-analyzer/CMakeLists.txt
@@ -61,12 +61,6 @@ if (NOT DEFINED WAMR_BIG_ENDIAN)
   set (WAMR_BIG_ENDIAN 0)
 endif ()
 
-if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-  if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-  endif ()
-endif ()
-
 # build out vmlib
 set (WAMR_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/../..)
 include (${WAMR_ROOT_DIR}/build-scripts/runtime_lib.cmake)
diff --git a/tests/standalone/test-invoke-native/CMakeLists.txt b/tests/standalone/test-invoke-native/CMakeLists.txt
index 4c32a77a8..3483ebd14 100644
--- a/tests/standalone/test-invoke-native/CMakeLists.txt
+++ b/tests/standalone/test-invoke-native/CMakeLists.txt
@@ -103,12 +103,6 @@ if (NOT WAMR_BUILD_PLATFORM STREQUAL "darwin")
   set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections -pie -fPIE")
 endif ()
 
-if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-  if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
-    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
-  endif ()
-endif ()
-
 # The following flags are to enhance security, but it may impact performance,
 # we disable them by default.
 #if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
diff --git a/wamr-compiler/CMakeLists.txt b/wamr-compiler/CMakeLists.txt
index 513fd0049..e8c8a85e0 100644
--- a/wamr-compiler/CMakeLists.txt
+++ b/wamr-compiler/CMakeLists.txt
@@ -328,7 +328,7 @@ endif ()
 #TODO: sync up WAMR_BUILD_SANITIZER in config_common.cmake
 # set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wconversion -Wsign-conversion")
 if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
-  if (NOT (CMAKE_C_COMPILER MATCHES ".*clang.*" OR CMAKE_C_COMPILER_ID MATCHES ".*Clang" OR MSVC))
+  if (CMAKE_C_COMPILER MATCHES ".*gcc.*" OR CMAKE_C_COMPILER_ID MATCHES ".*GNU")
     set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mindirect-branch-register")
     # UNDEFINED BEHAVIOR, refer to https://en.cppreference.com/w/cpp/language/ub
     if(CMAKE_BUILD_TYPE STREQUAL "Debug" AND NOT WAMR_BUILD_JIT EQUAL 1)