https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103938
Bug ID: 103938 Summary: ICE with __builtin_prefetch and vectors Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-checking, ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: pinskia at gcc dot gnu.org Target Milestone: --- Take: typedef unsigned long u64x2 __attribute__ ((vector_size(16))); void g (u64x2 off) { __builtin_prefetch ((void*)off[0], 0, 3); } This ICEs at -O2 and above. during RTL pass: sched1 dump file: t.c.296r.sched1 t.c: In function 'g': t.c:5:1: internal compiler error: in aarch64_classify_address, at config/aarch64/aarch64.c:9966 5 | } | ^ 0x1156ee3 aarch64_classify_address(aarch64_address_info*, rtx_def*, machine_mode, bool, aarch64_addr_query_type) /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/config/aarch64/aarch64.c:9966 0x1156f03 aarch64_address_valid_for_prefetch_p(rtx_def*, bool) /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/config/aarch64/aarch64.c:10233 0xb93bbb constraint_satisfied_p ./tm-preds.h:348 0xb93bbb record_reg_classes /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/ira-costs.c:794 0xb954a7 record_operand_costs /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/ira-costs.c:1440 0xb95813 scan_one_insn /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/ira-costs.c:1527 0xb95813 process_bb_for_costs /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/ira-costs.c:1652 0xb96e1f find_costs_and_classes /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/ira-costs.c:1759 0xb9771b ira_set_pseudo_classes(bool, _IO_FILE*) /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/ira-costs.c:2313 0x1964fe7 alloc_global_sched_pressure_data /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/haifa-sched.c:7201 0x1964fe7 sched_init() /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/haifa-sched.c:7356 0x19668db haifa_sched_init() /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/haifa-sched.c:7368 0xd327e7 schedule_insns() /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/sched-rgn.c:3510 0xd32f9f schedule_insns() /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/sched-rgn.c:3504 0xd32f9f rest_of_handle_sched /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/sched-rgn.c:3722 0xd32f9f execute /home/ubuntu/src/upstream-gcc-aarch64/gcc/gcc/sched-rgn.c:3830 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.