On Okt 31 2019, Richard Sandiford wrote:
> The SVE PCS support broke go, D and Ada because those languages don't
> call TARGET_INIT_BUILTINS. We therefore ended up trying to get the
> TYPE_MAIN_VARIANT of a null __SVBool_t.
>
> We shouldn't really need to apply TYPE_MAIN_VARIANT there anyway,
> s
Andreas Schwab writes:
> This breaks boostrap.
>
> /opt/gcc/gcc-20191030/Build/./prev-gcc/xgcc
> -B/opt/gcc/gcc-20191030/Build/./prev-gcc/ -B/usr/aarch64-suse-linux/bin/
> -B/usr/aarch64-suse-linux/bin/ -B/usr/aarch64-suse-linux/lib/ -isystem
> /usr/aarch64-suse-linux/include -isystem /usr/aarc
Same problem in the go frontend.
(gdb) r
Starting program: /opt/gcc/test/Build/gcc/go1
../../../libgo/go/sync/atomic/doc.go ../../../libgo/go/sync/atomic/value.go
-quiet -dumpbase doc.go -mlittle-endian -mabi=lp64 -auxbase-strip doc.o -g -O2
-fgo-pkgpath=sync/atomic -I . -L/opt/gcc/test/Build/.
The D frontend is also broken.
(gdb) r
Starting program: /opt/gcc/test/Build/gcc/d21
../../../../libphobos/libdruntime/core/sys/posix/utime.d -quiet -dumpbase
utime.d -mlittle-endian -mabi=lp64 -auxbase-strip core/sys/posix/.libs/utime.o
-g -O2 -fPIC -fversion=Shared -iprefix
/opt/gcc/test/Bui
Program received signal SIGSEGV, Segmentation fault.
aarch64_sve::svbool_type_p (type=)
at ../../gcc/config/aarch64/aarch64-sve-builtins.cc:3239
3239 && TYPE_MAIN_VARIANT (type) == TYPE_MAIN_VARIANT (abi_type));
(gdb) bt
#0 aarch64_sve::svbool_type_p (type=)
at ../../gcc/confi
This breaks boostrap.
/opt/gcc/gcc-20191030/Build/./prev-gcc/xgcc
-B/opt/gcc/gcc-20191030/Build/./prev-gcc/ -B/usr/aarch64-suse-linux/bin/
-B/usr/aarch64-suse-linux/bin/ -B/usr/aarch64-suse-linux/lib/ -isystem
/usr/aarch64-suse-linux/include -isystem /usr/aarch64-suse-linux/sys-include
-fno-
The AAPCS64 specifies that if a function takes arguments in SVE
registers or returns them in SVE registers, it must preserve all
of Z8-Z23 and all of P4-P11. (Normal functions only preserve the
low 64 bits of Z8-Z15 and clobber all of the predicate registers.)
This variation is known informally a
