https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118176
Bug ID: 118176
Summary: [14 regression] GCC fails to build on arm
(arm-mve-builtins.cc:2139:13: error:
‘force_lowpart_subreg’ was not declared in this scope;
did you mean ‘lowpart_subreg’?)
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: build
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
Target Milestone: ---
This only affects the 14 branch.
```
armv7a-unknown-linux-gnueabihf-g++ -fPIC -c -DDEF_GENTOO_SCP -DDEF_GENTOO_ZNOW
-pipe -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=hard -O2 -DIN_GCC
-fno-exceptions -fno-rtti -f
asynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual
-Wmissing-format-attribute -Wconditionally-supported -Woverloaded-virtual
-pedantic -Wno-long-long -Wno-var
iadic-macros -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H -fPIC -I. -I.
-I/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/gcc-14-20241221/gcc
-I/var/tmp/portage/sys-devel/gc
c-14.2.1_p20241221/work/gcc-14-20241221/gcc/.
-I/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/gcc-14-20241221/gcc/../include
-I/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/wor
k/gcc-14-20241221/gcc/../libcpp/include
-I/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/gcc-14-20241221/gcc/../libcody
-I/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/gcc-
14-20241221/gcc/../libdecnumber
-I/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/gcc-14-20241221/gcc/../libdecnumber/dpd
-I../libdecnumber -I/var/tmp/portage/sys-devel/gcc-14.2.1_p
20241221/work/gcc-14-20241221/gcc/../libbacktrace -D_GENTOO_TIME64_FORCE=0 -I.
-I. -I/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/gcc-14-20241221/gcc
-I/var/tmp/portage/sys-deve
l/gcc-14.2.1_p20241221/work/gcc-14-20241221/gcc/.
-I/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/gcc-14-20241221/gcc/../include
-I/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221
/work/gcc-14-20241221/gcc/../libcpp/include
-I/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/gcc-14-20241221/gcc/../libcody
-I/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/
gcc-14-20241221/gcc/../libdecnumber
-I/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/gcc-14-20241221/gcc/../libdecnumber/dpd
-I../libdecnumber -I/var/tmp/portage/sys-devel/gcc-14.2
.1_p20241221/work/gcc-14-20241221/gcc/../libbacktrace \
/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/gcc-14-20241221/gcc/config/arm/arm-mve-builtins.cc
/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/gcc-14-20241221/gcc/config/arm/arm-mve-builtins.cc:
In member function ‘void
arm_mve::function_expander::add_input_operand(insn_code,
rtx)’:
/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/gcc-14-20241221/gcc/config/arm/arm-mve-builtins.cc:2139:13:
error: ‘force_lowpart_subreg’ was not declared in this scope; did you mean
‘lowpart_subreg’?
2139 | x = force_lowpart_subreg (mode, x, GET_MODE (x));
| ^~~~~~~~~~~~~~~~~~~~
| lowpart_subreg
make[2]: ***
[/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/gcc-14-20241221/gcc/config/arm/t-arm:168:
arm-mve-builtins.o] Error 1
make[2]: Leaving directory
'/var/tmp/portage/sys-devel/gcc-14.2.1_p20241221/work/build-jit/gcc'
make[2]: *** Waiting for unfinished jobs....
```
