Build regressions/improvements in v5.10-rc1

[Vineet Gupta]

Hi Geert,

On 10/26/20 2:48 AM, Geert Uytterhoeven wrote:
> On Mon, Oct 26, 2020 at 10:46 AM Geert Uytterhoeven
> <geert at linux-m68k.org> wrote:
>> Below is the list of build error/warning regressions/improvements in
>> v5.10-rc1[1] compared to v5.9[2].
>>
>> Summarized:
>>   - build errors: +3/-7
>>   - build warnings: +26/-28
>>
>>
>>   + {standard input}: Error: inappropriate arguments for opcode 'adc':  => 170
> arc-gcc10/axs101_defconfig

Thx for bringing this to our notice. Alexey / Claudiu - are we testing gcc-10 for
ARC700 - It seemsv5.10-rcX kerne is unearthing some sort of compiler issue

http://kisskb.ellerman.id.au/kisskb/branch/linus/head/3650b228f83adda7e5ee532e2b90429c03f7b9ec/
http://kisskb.ellerman.id.au/kisskb/target/189425/
http://kisskb.ellerman.id.au/kisskb/buildresult/14384487/log/

-------->

# < make -s -j 24 ARCH=arc O=/kisskb/build/linus_axs101_defconfig_arc-gcc10 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-10.1.0-nolibc/arc-linux/bin/arc-linux-  help
# make -s -j 24 ARCH=arc O=/kisskb/build/linus_axs101_defconfig_arc-gcc10 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-10.1.0-nolibc/arc-linux/bin/arc-linux-  olddefconfig
# make -s -j 24 ARCH=arc O=/kisskb/build/linus_axs101_defconfig_arc-gcc10 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-10.1.0-nolibc/arc-linux/bin/arc-linux-  
{standard input}: Assembler messages:
{standard input}:170: Error: inappropriate arguments for opcode 'adc'
make[2]: *** [/kisskb/src/scripts/Makefile.build:283: fs/remap_range.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1799: fs] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:185: __sub-make] Error 2
Command 'make -s -j 24 ARCH=arc O=/kisskb/build/linus_axs101_defconfig_arc-gcc10 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-10.1.0-nolibc/arc-linux/bin/arc-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_axs101_defconfig_arc-gcc10
# Build took: 0:01:21.179119