https://github.com/tambry created https://github.com/llvm/llvm-project/pull/172358
Implementation files using the Intel syntax typically explicitly specify it. Do the same for the few files using AT&T syntax. This enables building LLVM with `-mllvm -x86-asm-syntax=intel` in one's Clang config files (i.e. a global preference for Intel syntax). Unreverts: 14c69497b31038b37c273417f43bd2cfe169c86f >From 00b6d4521c0968dcfc3283c95c78c799408a3319 Mon Sep 17 00:00:00 2001 From: Raul Tambre <[email protected]> Date: Mon, 15 Dec 2025 20:41:02 +0200 Subject: [PATCH] [NFCI][lldb][test][asm] Enable AT&T syntax explicitly Implementation files using the Intel syntax typically explicitly specify it. Do the same for the few files using AT&T syntax. This enables building LLVM with `-mllvm -x86-asm-syntax=intel` in one's Clang config files (i.e. a global preference for Intel syntax). Unreverts: 14c69497b31038b37c273417f43bd2cfe169c86f --- .../Python/lldbsuite/test/make/Makefile.rules | 15 +++++++++++++++ lldb/test/Shell/helper/toolchain.py | 5 +++++ 2 files changed, 20 insertions(+) diff --git a/lldb/packages/Python/lldbsuite/test/make/Makefile.rules b/lldb/packages/Python/lldbsuite/test/make/Makefile.rules index 55dbd3934860f..a0d40ab868874 100644 --- a/lldb/packages/Python/lldbsuite/test/make/Makefile.rules +++ b/lldb/packages/Python/lldbsuite/test/make/Makefile.rules @@ -180,21 +180,27 @@ else # amd64, x86_64, x64 -> 64 ifeq "$(ARCH)" "amd64" override ARCH := $(subst amd64,64,$(ARCH)) + IS_X86 := 1 endif ifeq "$(ARCH)" "x86_64" override ARCH := $(subst x86_64,64,$(ARCH)) + IS_X86 := 1 endif ifeq "$(ARCH)" "x64" override ARCH := $(subst x64,64,$(ARCH)) + IS_X86 := 1 endif ifeq "$(ARCH)" "x86" override ARCH := $(subst x86,32,$(ARCH)) + IS_X86 := 1 endif ifeq "$(ARCH)" "i386" override ARCH := $(subst i386,32,$(ARCH)) + IS_X86 := 1 endif ifeq "$(ARCH)" "i686" override ARCH := $(subst i686,32,$(ARCH)) + IS_X86 := 1 endif ifeq "$(ARCH)" "powerpc" override ARCH := $(subst powerpc,32,$(ARCH)) @@ -320,6 +326,15 @@ ifeq "$(MAKE_GMODULES)" "YES" CXXFLAGS += $(MANDATORY_MODULE_BUILD_CFLAGS) endif +# Our files use x86 AT&T assembly throughout. +# Enable it explicitly so any local Clang preference for Intel syntax gets overriden. +ifeq ($(CC_TYPE), clang) + ifeq ($(IS_X86), 1) + CFLAGS += -mllvm -x86-asm-syntax=att + CXXFLAGS += -mllvm -x86-asm-syntax=att + endif +endif + CFLAGS += $(CFLAGS_EXTRAS) CXXFLAGS += -std=c++11 $(CFLAGS) $(ARCH_CXXFLAGS) # Copy common options to the linker flags (dwarf, arch. & etc). diff --git a/lldb/test/Shell/helper/toolchain.py b/lldb/test/Shell/helper/toolchain.py index 0c8c39d37e089..66664561a249d 100644 --- a/lldb/test/Shell/helper/toolchain.py +++ b/lldb/test/Shell/helper/toolchain.py @@ -242,6 +242,11 @@ def use_support_substitutions(config): # The clang module cache is used for building inferiors. host_flags += ["-fmodules-cache-path={}".format(config.clang_module_cache)] + # Our files use x86 AT&T assembly throughout. + # Enable it explicitly so any local Clang preference for Intel syntax gets overriden. + if "x86-registered-target" in config.available_features: + host_flags += ["-mllvm", "-x86-asm-syntax=att"] + if config.cmake_sysroot: host_flags += ["--sysroot={}".format(config.cmake_sysroot)] _______________________________________________ lldb-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
