https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102302
Bug ID: 102302
Summary: [12 Regression] ICE during RTL pass: expand: in
gen_lowpart_general, at rtlhooks.c:57
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: burnus at gcc dot gnu.org
Target Milestone: ---
That's on x86-64-gnu-linux. I have still to understand why it fails for this
build while others do not ICE.
obj/gcc-2021.06-999999-x86_64-none-linux-gnu-x86_64-linux-gnu/./gcc/xgcc -B...
--sysroot=.../libc -g -O2 -O2 -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W
... -msse2 -o truncsfhf2_s.o -MT truncsfhf2_s.o -MD -MP -MF truncsfhf2_s.dep
-DSHARED -c ../src/gcc-mainline/libgcc/soft-fp/truncsfhf2.c
during RTL pass: expand
In file included from
/net/build5-trusty-cs.sje.mentorg.com/scratch/tburnus/openacc.x86_64-linux-gnu-openacc-mainline/src/gcc-mainline/libgcc/soft-fp/soft-fp.h:317,
from
/net/build5-trusty-cs.sje.mentorg.com/scratch/tburnus/openacc.x86_64-linux-gnu-openacc-mainline/src/gcc-mainline/libgcc/soft-fp/trunctfhf2.c:29:
/net/build5-trusty-cs.sje.mentorg.com/scratch/tburnus/openacc.x86_64-linux-gnu-openacc-mainline/src/gcc-mainline/libgcc/soft-fp/trunctfhf2.c:
In function '__trunctfhf2':
/net/build5-trusty-cs.sje.mentorg.com/scratch/tburnus/openacc.x86_64-linux-gnu-openacc-mainline/src/gcc-mainline/libgcc/soft-fp/op-1.h:131:13:
internal compiler error: in gen_lowpart_general, at rtlhooks.c:57
131 | (val) = _FP_PACK_RAW_1_flo.flt; \
| ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
/net/build5-trusty-cs.sje.mentorg.com/scratch/tburnus/openacc.x86_64-linux-gnu-openacc-mainline/src/gcc-mainline/libgcc/soft-fp/half.h:146:7:
note: in expansion of macro '_FP_PACK_RAW_1'
146 | _FP_PACK_RAW_1 (H, (val), X); \
| ^~~~~~~~~~~~~~
/net/build5-trusty-cs.sje.mentorg.com/scratch/tburnus/openacc.x86_64-linux-gnu-openacc-mainline/src/gcc-mainline/libgcc/soft-fp/trunctfhf2.c:48:3:
note: in expansion of macro 'FP_PACK_SEMIRAW_H'
48 | FP_PACK_SEMIRAW_H (r, R);
