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bfd77145f3
A compilation -Wimplicit-fallthrough warning was enabled by commit
a035d552a9 ("Makefile: Globally enable fall-through warning")
Even though clang 10.0.0 does not currently support this warning without
a patch, clang currently does not support a value for this option.
Link: https://bugs.llvm.org/show_bug.cgi?id=39382
The gcc default for this warning is 3 so removing the =3 has no effect
for gcc and enables the warning for patched versions of clang.
Also remove the =3 from an existing use in a parisc Makefile:
arch/parisc/math-emu/Makefile
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-and-tested-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
22 lines
803 B
Makefile
22 lines
803 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the linux/parisc floating point code
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#
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# See arch/parisc/math-emu/README
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ccflags-y := -Wno-parentheses -Wno-implicit-function-declaration \
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-Wno-uninitialized -Wno-strict-prototypes -Wno-return-type \
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-Wno-implicit-int
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obj-y := frnd.o driver.o decode_exc.o fpudispatch.o denormal.o \
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dfmpy.o sfmpy.o sfsqrt.o dfsqrt.o dfadd.o fmpyfadd.o \
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sfadd.o dfsub.o sfsub.o fcnvfxt.o fcnvff.o fcnvxf.o \
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fcnvfx.o fcnvuf.o fcnvfu.o fcnvfut.o dfdiv.o sfdiv.o \
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dfrem.o sfrem.o dfcmp.o sfcmp.o
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# Math emulation code beyond the FRND is required for 712/80i and
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# other very old or stripped-down PA-RISC CPUs -- not currently supported
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obj-$(CONFIG_MATH_EMULATION) += unimplemented-math-emulation.o
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CFLAGS_REMOVE_fpudispatch.o = -Wimplicit-fallthrough
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