Hi Suwa-san,
On Sat, Feb 3, 2024 at 6:20 AM Takayuki 'January June' Suwa
<jjsuwa_sys3...@yahoo.co.jp> wrote:
> After LRA transition, HImode constants that don't fit into signed 12 bits
> are no longer subject to constant synthesis:
with this change I get multiple ICEs during libgomp, libgfortran and
libstdc++ builds, e.g.:
/home/jcmvbkbc/ws/tensilica/gcc/gcc/libstdc++-v3/src/c++20/tzdb.cc:1228:3:
error: unrecognizable insn:
1228 | }
| ^
(insn 3131 27 3132 2 (set (subreg:SI (reg:DI 176) 0)
(const_int 78796800 [0x4b25800]))
"/home/jcmvbkbc/ws/tensilica/gcc/builds/gcc-14-8779-ge15d00be88c1-xtensa-call0-le/xtensa-buildroot-linux-uclibc/libstdc++-v3/include/bits/chrono.h":574:6
-1
(nil))
during RTL pass: subreg3
/home/jcmvbkbc/ws/tensilica/gcc/gcc/libstdc++-v3/src/c++20/tzdb.cc:1228:3:
internal compiler error: in extract_insn, at recog.cc:2812
0x7cb898 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*)
/home/jcmvbkbc/ws/tensilica/gcc/gcc/gcc/rtl-error.cc:108
0x7cb8b4 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/jcmvbkbc/ws/tensilica/gcc/gcc/gcc/rtl-error.cc:116
0x7ca31e extract_insn(rtx_insn*)
/home/jcmvbkbc/ws/tensilica/gcc/gcc/gcc/recog.cc:2812
0x1c08b57 decompose_multiword_subregs
/home/jcmvbkbc/ws/tensilica/gcc/gcc/gcc/lower-subreg.cc:1569
0x1c09d7d execute
/home/jcmvbkbc/ws/tensilica/gcc/gcc/gcc/lower-subreg.cc:1834
/home/jcmvbkbc/ws/tensilica/gcc/gcc/libstdc++-v3/src/filesystem/ops.cc:936:1:
error: unrecognizable insn:
936 | }
| ^
(insn 260 21 261 2 (set (reg:SI 4 a4)
(const_int 1000000000 [0x3b9aca00]))
"/home/jcmvbkbc/ws/tensilica/gcc/builds/gcc-14-8779-ge15d00be88c1-xtensa-call0-le/xtensa-buildroot-linux-uclibc/libstdc++-v3/include/bits/chrono.h":214:38
discrim 1 -1
(nil))
during RTL pass: subreg3
/home/jcmvbkbc/ws/tensilica/gcc/gcc/libstdc++-v3/src/filesystem/ops.cc:936:1:
internal compiler error: in extract_insn, at recog.cc:2812
0x7cb898 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*)
/home/jcmvbkbc/ws/tensilica/gcc/gcc/gcc/rtl-error.cc:108
0x7cb8b4 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/jcmvbkbc/ws/tensilica/gcc/gcc/gcc/rtl-error.cc:116
0x7ca31e extract_insn(rtx_insn*)
/home/jcmvbkbc/ws/tensilica/gcc/gcc/gcc/recog.cc:2812
0x1c08b57 decompose_multiword_subregs
/home/jcmvbkbc/ws/tensilica/gcc/gcc/gcc/lower-subreg.cc:1569
0x1c09d7d execute
/home/jcmvbkbc/ws/tensilica/gcc/gcc/gcc/lower-subreg.cc:1834
--
Thanks.
-- Max
