https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95683
Bug ID: 95683
Summary: internal compiler error: in
riscv_gpr_save_operation_p, at
config/riscv/riscv.c:5219
Product: gcc
Version: unknown
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: kito.cheng at gmail dot com
Target Milestone: ---
Target: riscv64-unknown-elf
Report by Pat Pannuto at github:
https://github.com/riscv/riscv-gcc/issues/190
Testcase:
void a() {
asm(""
:
:
: "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3",
"t4", "t5", "t6", "ra");
}
Error message:
during RTL pass: ira
/scratch1/kitoc/riscv-gnu-workspace/riscv-gnu-toolchain-trunk/riscv-gcc/gcc/testsuite/gcc.target/riscv/pr95252-2.c:
In function 'a':
/scratch1/kitoc/riscv-gnu-workspace/riscv-gnu-toolchain-trunk/riscv-gcc/gcc/testsuite/gcc.target/riscv/pr95252-2.c:10:1:
internal compiler error: in riscv_gpr_save_operation_p, at
config/riscv/riscv.c:5219
10 | }
| ^
0x1662745 riscv_gpr_save_operation_p(rtx_def*)
../../../../riscv-gnu-toolchain-trunk/riscv-gcc/gcc/config/riscv/riscv.c:5219
0x1a6829d gpr_save_operation_1
../../../../riscv-gnu-toolchain-trunk/riscv-gcc/gcc/config/riscv/predicates.md:213
0x1a682cf gpr_save_operation(rtx_def*, machine_mode)
../../../../riscv-gnu-toolchain-trunk/riscv-gcc/gcc/config/riscv/predicates.md:220
0x1a7e441 recog(rtx_def*, rtx_insn*, int*)
../../../../riscv-gnu-toolchain-trunk/riscv-gcc/gcc/config/riscv/riscv.md:2499
0x10cdd2c recog_memoized
../../../../riscv-gnu-toolchain-trunk/riscv-gcc/gcc/recog.h:167
0x10d6dd8 elimination_costs_in_insn
../../../../riscv-gnu-toolchain-trunk/riscv-gcc/gcc/reload1.c:3525
0x10d1aa1 calculate_elim_costs_all_insns()
../../../../riscv-gnu-toolchain-trunk/riscv-gcc/gcc/reload1.c:1604
0xeba7fc ira_costs()
../../../../riscv-gnu-toolchain-trunk/riscv-gcc/gcc/ira-costs.c:2293
0xeb0b2d ira_build()
../../../../riscv-gnu-toolchain-trunk/riscv-gcc/gcc/ira-build.c:3432
0xea6877 ira
../../../../riscv-gnu-toolchain-trunk/riscv-gcc/gcc/ira.c:5353
0xea70f4 execute
../../../../riscv-gnu-toolchain-trunk/riscv-gcc/gcc/ira.c:5666
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
