https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117168
Bug ID: 117168
Summary: Bootstrap fails with ICE: in curr_insn_transform, at
lra-constraints.cc:4283
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: glaubitz at physik dot fu-berlin.de
CC: ro at gcc dot gnu.org, sjames at gcc dot gnu.org
Target Milestone: ---
Host: sparc-sun-solaris2.11
Trying to bootstrap master sparc-sun-solaris2.11 fails with:
In file included from
../../../../../libstdc++-v3/src/c++17/floating_to_chars.cc:124:
../../../../../libstdc++-v3/src/c++17/ryu/generic_128.c: In function
‘{anonymous}::ryu::generic128::floating_decimal_128
{anonymous}::ryu::generic128::generic_binary_to_decimal({anonymous}::uint128_t,
uint32_t, bool, uint32_t, uint32_t, bool)’:
../../../../../libstdc++-v3/src/c++17/ryu/generic_128.c:237:1: error: unable to
generate reloads for:
237 | }
| ^
(insn 3615 8022 3616 75 (set (mem/c:DI (plus:SI (reg/f:SI 101 %sfp)
(const_int -112 [0xffffffffffffff90])) [59 %sfp+-112 S8 A64])
(mem/c:DI (plus:SI (reg/f:SI 101 %sfp)
(const_int -32 [0xffffffffffffffe0])) [9 MEM[(long long
unsigned int[4] *)_2631][0]+0 S8 A64]))
"../../../../../libstdc++-v3/src/c++17/ryu/generic_128.h":483:52 discrim 2 124
{*movdi_insn_sp32}
(nil))
during RTL pass: reload
../../../../../libstdc++-v3/src/c++17/ryu/generic_128.c:237:1: internal
compiler error: in curr_insn_transform, at lra-constraints.cc:4283
0x104519b5b internal_error(char const*, ...)
../../gcc/diagnostic-global-context.cc:517
0x1044e1e83 fancy_abort(char const*, int, char const*)
../../gcc/diagnostic.cc:1535
0x1025b085f _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
../../gcc/rtl-error.cc:108
0x1022b7917 curr_insn_transform
../../gcc/lra-constraints.cc:4283
0x1022be52f lra_constraints(bool)
../../gcc/lra-constraints.cc:5496
0x102297b03 lra(__FILE*, int)
../../gcc/lra.cc:2445
0x10220e2b3 do_reload
../../gcc/ira.cc:5977
0x10220ec6f execute
../../gcc/ira.cc:6165
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
This might be related to PR target/113952.
Reproduced on cfarm216.
