diff --git a/src/build/config/arm.gni b/src/build/config/arm.gni index ddd1c5df82..8d705549c6 100644 --- a/src/build/config/arm.gni +++ b/src/build/config/arm.gni @@ -36,6 +36,8 @@ if (current_cpu == "arm" || v8_current_cpu == "arm") { # Thumb is a reduced instruction set available on some ARM processors that # has increased code density. arm_use_thumb = true + + arm_cpu = "" } if (current_os == "android" || target_os == "android") { @@ -123,4 +125,7 @@ if (current_cpu == "arm" || v8_current_cpu == "arm") { # arm64 supports only "hard". arm_float_abi = "hard" arm_use_neon = true + declare_args() { + arm_cpu = "" + } } diff --git a/src/build/config/compiler/BUILD.gn b/src/build/config/compiler/BUILD.gn index b11d595831..11a37a9a40 100644 --- a/src/build/config/compiler/BUILD.gn +++ b/src/build/config/compiler/BUILD.gn @@ -843,6 +843,10 @@ config("compiler_cpu_abi") { "-march=$arm_arch", "-mfloat-abi=$arm_float_abi", ] + if (arm_cpu != "") { + cflags += [ "-mcpu=$arm_cpu" ] + } + ldflags += [ "-mfloat-abi=$arm_float_abi" ] } if (arm_tune != "") { cflags += [ "-mtune=$arm_tune" ] @@ -852,6 +856,9 @@ config("compiler_cpu_abi") { cflags += [ "--target=aarch64-linux-gnu" ] ldflags += [ "--target=aarch64-linux-gnu" ] } + if (arm_cpu != "") { + cflags += [ "-mcpu=$arm_cpu" ] + } } else if (current_cpu == "mipsel" && !is_nacl) { ldflags += [ "-Wl,--hash-style=sysv" ] if (custom_toolchain == "") {