[PATCH v4 4/9] MIPS: Add bitwise instructions for mips16e2

[Jan-Benedict Glaw]

Hi!

On Mon, 2023-06-19 16:29:53 +0800, Jie Mei <jie.mei@oss.cipunited.com> wrote:
> There are shortened bitwise instructions in the mips16e2 ASE,
> for instance, ANDI, ORI/XORI, EXT, INS etc. .
> 
> This patch adds these instrutions with corresponding tests.

[...]

Starting with this patch, I see some new warning:

[all 2023-07-06 23:04:01] g++ -c   -g -O2   -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE   -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Wconditionally-supported -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common  -DHAVE_CONFIG_H  -DGENERATOR_FILE -I. -Ibuild -I../../gcc/gcc -I../../gcc/gcc/build -I../../gcc/gcc/../include  -I../../gcc/gcc/../libcpp/include  \
[all 2023-07-06 23:04:01]  -o build/gencondmd.o build/gencondmd.cc
[all 2023-07-06 23:04:02] ../../gcc/gcc/config/mips/mips-msa.md:435:26: warning: 'and' of mutually exclusive equal-tests is always 0
[all 2023-07-06 23:04:02]   435 |   DONE;
[all 2023-07-06 23:04:02] ../../gcc/gcc/config/mips/mips-msa.md:435:26: warning: 'and' of mutually exclusive equal-tests is always 0
[all 2023-07-06 23:04:03] ../../gcc/gcc/config/mips/mips.md:822:1: warning: 'and' of mutually exclusive equal-tests is always 0
[all 2023-07-06 23:04:03]   822 | ;; conditional-move-type condition is needed.
[all 2023-07-06 23:04:03]       | ^
[all 2023-07-06 23:04:03] g++   -g -O2   -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE   -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Wconditionally-supported -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common  -DHAVE_CONFIG_H  -DGENERATOR_FILE -static-libstdc++ -static-libgcc  -o build/gencondmd \
[all 2023-07-06 23:04:03]     build/gencondmd.o build/errors.o ../build-x86_64-pc-linux-gnu/libiberty/libiberty.a
[all 2023-07-06 23:04:03] build/gencondmd > tmp-cond.md


(Full build log available as eg. http://toolchain.lug-owl.de/laminar/jobs/gcc-mips-linux/76)

Thanks, JBG

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