https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112743
Bug ID: 112743
Summary: RISC-V: building FAIL with -march=rv64(or
rv32)gc_zve32f_zvfh_zfh
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: juzhe.zhong at rivai dot ai
Target Milestone: ---
/work/home/jzzhong/work/toolchain/riscv/newlib/newlib/libc/include/math.h:92:15:
internal compiler error: in simplify_subreg, at simplify-rtx.cc:7550
92 | extern double modf (double, double *);
| ^~~~
CC libm/common/libm_a-sf_isnan.o
CC libm/common/libm_a-s_rint.o
CC libm/common/libm_a-s_logb.o
CC libm/common/libm_a-s_log2.o
CC libm/common/libm_a-s_fdim.o
CC libm/common/libm_a-sf_isnanf.o
CC libm/common/libm_a-s_fma.o
CC libm/common/libm_a-sf_log1p.o
0x18611cb simplify_context::simplify_subreg(machine_mode, rtx_def*,
machine_mode, poly_int<2u, unsigned long>)
../../../../gcc/gcc/simplify-rtx.cc:7550
0x18611cb simplify_context::simplify_subreg(machine_mode, rtx_def*,
machine_mode, poly_int<2u, unsigned long>)
../../../../gcc/gcc/simplify-rtx.cc:7550
0x186450b simplify_context::simplify_gen_subreg(machine_mode, rtx_def*,
machine_mode, poly_int<2u, unsigned long>)
../../../../gcc/gcc/simplify-rtx.cc:7875
0x186450b simplify_context::simplify_gen_subreg(machine_mode, rtx_def*,
machine_mode, poly_int<2u, unsigned long>)
../../../../gcc/gcc/simplify-rtx.cc:7875
0x186496e simplify_context::lowpart_subreg(machine_mode, rtx_def*,
machine_mode)
../../../../gcc/gcc/simplify-rtx.cc:7905
0x186496e simplify_context::lowpart_subreg(machine_mode, rtx_def*,
machine_mode)
../../../../gcc/gcc/simplify-rtx.cc:7905
0x18611cb simplify_context::simplify_subreg(machine_mode, rtx_def*,
machine_mode, poly_int<2u, unsigned long>)
../../../../gcc/gcc/simplify-rtx.cc:7550
0x18611cb simplify_context::simplify_subreg(machine_mode, rtx_def*,
machine_mode, poly_int<2u, unsigned long>)
../../../../gcc/gcc/simplify-rtx.cc:7550
0x186450b simplify_context::simplify_gen_subreg(machine_mode, rtx_def*,
machine_mode, poly_int<2u, unsigned long>)
../../../../gcc/gcc/simplify-rtx.cc:7875
0x186496e simplify_context::lowpart_subreg(machine_mode, rtx_def*,
machine_mode)
../../../../gcc/gcc/simplify-rtx.cc:7905
0x186450b simplify_context::simplify_gen_subreg(machine_mode, rtx_def*,
machine_mode, poly_int<2u, unsigned long>)
../../../../gcc/gcc/simplify-rtx.cc:7875
0x186496e simplify_context::lowpart_subreg(machine_mode, rtx_def*,
machine_mode)
../../../../gcc/gcc/simplify-rtx.cc:7905
CC libm/common/libm_a-s_fmax.o
CC libm/common/libm_a-s_fmin.o
CC libm/common/libm_a-s_fpclassify.o
CC libm/common/libm_a-s_lrint.o
0x10cfa74 lowpart_subreg(machine_mode, rtx_def*, machine_mode)
../../../../gcc/gcc/rtl.h:3565
0x10cfa74 lowpart_subreg(machine_mode, rtx_def*, machine_mode)
../../../../gcc/gcc/rtl.h:3565
0x10cfa74 lowpart_subreg(machine_mode, rtx_def*, machine_mode)
../../../../gcc/gcc/rtl.h:3565
0x10cfa74 lowpart_subreg(machine_mode, rtx_def*, machine_mode)
../../../../gcc/gcc/rtl.h:3565
CC libm/common/libm_a-sf_nan.o
CC libm/common/libm_a-s_llrint.o
CC libm/common/libm_a-s_lround.o
CC libm/common/libm_a-sf_nextafter.o
CC libm/common/libm_a-s_llround.o
0x124a13f gen_lowpart_common(machine_mode, rtx_def*)
../../../../gcc/gcc/emit-rtl.cc:1626
0x124a13f gen_lowpart_common(machine_mode, rtx_def*)
../../../../gcc/gcc/emit-rtl.cc:1626
0x124a13f gen_lowpart_common(machine_mode, rtx_def*)
../../../../gcc/gcc/emit-rtl.cc:1626
0x124a13f gen_lowpart_common(machine_mode, rtx_def*)
../../../../gcc/gcc/emit-rtl.cc:1626
CC libm/common/libm_a-s_nearbyint.o
CC libm/common/libm_a-s_remquo.o
CC libm/common/libm_a-s_round.o
0x17d7da2 gen_lowpart_general(machine_mode, rtx_def*)
../../../../gcc/gcc/rtlhooks.cc:48
0x17d7da2 gen_lowpart_general(machine_mode, rtx_def*)
../../../../gcc/gcc/rtlhooks.cc:48
0x17d7da2 gen_lowpart_general(machine_mode, rtx_def*)
../../../../gcc/gcc/rtlhooks.cc:48
0x17d7da2 gen_lowpart_general(machine_mode, rtx_def*)
../../../../gcc/gcc/rtlhooks.cc:48
CC libm/common/libm_a-sf_pow10.o
0x1c7c6f9 riscv_legitimize_move(machine_mode, rtx_def*, rtx_def*)
../../../../gcc/gcc/config/riscv/riscv.cc:2619
0x1c7c6f9 riscv_legitimize_move(machine_mode, rtx_def*, rtx_def*)
../../../../gcc/gcc/config/riscv/riscv.cc:2619
0x1c7c6f9 riscv_legitimize_move(machine_mode, rtx_def*, rtx_def*)
../../../../gcc/gcc/config/riscv/riscv.cc:2619
0x1c7c6f9 riscv_legitimize_move(machine_mode, rtx_def*, rtx_def*)
../../../../gcc/gcc/config/riscv/riscv.cc:2619
This is an serious BUG need to be addressed.
