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MIPS: Prefer cc-option for additions to cflags

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A future change will switch as-option to use KBUILD_AFLAGS instead of
KBUILD_CFLAGS to allow clang to drop -Qunused-arguments, which may cause
issues if the flag being tested requires a flag previously added to
KBUILD_CFLAGS but not KBUILD_AFLAGS. Use cc-option for cflags additions
so that the flags are tested properly.

Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Nathan Chancellor 2023-01-11 20:05:00 -07:00 committed by Masahiro Yamada
parent 80a20d2f82
commit 337ff6bb89
2 changed files with 2 additions and 2 deletions
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2
arch/mips/Makefile
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@ -143,7 +143,7 @@ cflags-y += -fno-stack-check
#
# Avoid this by explicitly disabling that assembler behaviour.
#
cflags-y += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
cflags-y += $(call cc-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
#
# CPU-dependent compiler/assembler options for optimization.

2
arch/mips/loongson2ef/Platform
View File

@ -25,7 +25,7 @@ cflags-$(CONFIG_CPU_LOONGSON2F) += -march=loongson2f
# binutils does not merge support for the flag then we can revisit & remove
# this later - for now it ensures vendor toolchains don't cause problems.
#
cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
# Enable the workarounds for Loongson2f
ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS