Messages in this thread Patch in this message | | | From | Arnd Bergmann <> | Subject | [PATCH] selftest/fpu: avoid clang warning | Date | Thu, 3 Dec 2020 23:36:30 +0100 |
| |
From: Arnd Bergmann <arnd@arndb.de>
With extra warnings enabled, clang complains about the redundant -mhard-float argument:
clang: error: argument unused during compilation: '-mhard-float' [-Werror,-Wunused-command-line-argument]
Move this into the gcc-only part of the Makefile.
Fixes: 4185b3b92792 ("selftests/fpu: Add an FPU selftest") Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- lib/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/Makefile b/lib/Makefile index 985c6a8909e0..dc623561ef9d 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -107,7 +107,7 @@ obj-$(CONFIG_TEST_FREE_PAGES) += test_free_pages.o # off the generation of FPU/SSE* instructions for kernel proper but FPU_FLAGS # get appended last to CFLAGS and thus override those previous compiler options. # -FPU_CFLAGS := -mhard-float -msse -msse2 +FPU_CFLAGS := -msse -msse2 ifdef CONFIG_CC_IS_GCC # Stack alignment mismatch, proceed with caution. # GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3 @@ -120,6 +120,7 @@ ifdef CONFIG_CC_IS_GCC # -mpreferred-stack-boundary=3 is not between 4 and 12 # # can be triggered. Otherwise gcc doesn't complain. +FPU_CFLAGS += -mhard-float FPU_CFLAGS += $(call cc-option,-msse -mpreferred-stack-boundary=3,-mpreferred-stack-boundary=4) endif -- 2.27.0
| |