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LoongArch: Make LTO case independent in Makefile

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LTO is not only used for Clang, but maybe also used for Rust, make LTO
case out of CONFIG_CC_HAS_ANNOTATE_TABLEJUMP in Makefile.

This is preparation for later patch, no function changes.

Cc: stable@vger.kernel.org
Suggested-by: WANG Rui <wangrui@loongson.cn>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Tiezhu Yang 2025-09-18 19:43:42 +08:00 committed by Huacai Chen
parent 539d7344d4
commit b15212824a
1 changed files with 5 additions and 5 deletions
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10
arch/loongarch/Makefile
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@ -102,16 +102,16 @@ KBUILD_CFLAGS += $(call cc-option,-mthin-add-sub) $(call cc-option,-Wa$(comma)
ifdef CONFIG_OBJTOOL ifdef CONFIG_OBJTOOL
ifdef CONFIG_CC_HAS_ANNOTATE_TABLEJUMP ifdef CONFIG_CC_HAS_ANNOTATE_TABLEJUMP
KBUILD_CFLAGS += -mannotate-tablejump
else
KBUILD_CFLAGS += -fno-jump-tables # keep compatibility with older compilers
endif
ifdef CONFIG_LTO_CLANG
# The annotate-tablejump option can not be passed to LLVM backend when LTO is enabled. # The annotate-tablejump option can not be passed to LLVM backend when LTO is enabled.
# Ensure it is aware of linker with LTO, '--loongarch-annotate-tablejump' also needs to # Ensure it is aware of linker with LTO, '--loongarch-annotate-tablejump' also needs to
# be passed via '-mllvm' to ld.lld. # be passed via '-mllvm' to ld.lld.
KBUILD_CFLAGS += -mannotate-tablejump
ifdef CONFIG_LTO_CLANG
KBUILD_LDFLAGS += -mllvm --loongarch-annotate-tablejump KBUILD_LDFLAGS += -mllvm --loongarch-annotate-tablejump
endif endif
else
KBUILD_CFLAGS += -fno-jump-tables # keep compatibility with older compilers
endif
endif endif
KBUILD_RUSTFLAGS += --target=loongarch64-unknown-none-softfloat -Ccode-model=small KBUILD_RUSTFLAGS += --target=loongarch64-unknown-none-softfloat -Ccode-model=small