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From: "acoplan at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/100236] New: arm: UB in arm_compute_save_core_reg_mask (shift exponent 4294967295 is too large for 32-bit type 'int')
Date: Fri, 23 Apr 2021 17:12:52 +0000 [thread overview]
Message-ID: <bug-100236-4@http.gcc.gnu.org/bugzilla/> (raw)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100236
Bug ID: 100236
Summary: arm: UB in arm_compute_save_core_reg_mask (shift
exponent 4294967295 is too large for 32-bit type
'int')
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: acoplan at gcc dot gnu.org
Target Milestone: ---
$ cat test.c
void a() {
void b() {}
b();
}
$ ./arm-eabi-gcc -c -fpic test.c
/data_sdb/toolchain/src/gcc/gcc/config/arm/arm.c:21008:27: runtime error: shift
exponent 4294967295 is too large for 32-bit type 'int'
#0 0x2a07eee in arm_compute_save_core_reg_mask
/data_sdb/toolchain/src/gcc/gcc/config/arm/arm.c:21008
#1 0x2a07eee in arm_compute_frame_layout
/data_sdb/toolchain/src/gcc/gcc/config/arm/arm.c:22629
#2 0x1a9b56e in set_initial_elim_offsets
/data_sdb/toolchain/src/gcc/gcc/reload1.c:3766
#3 0x1abe973 in calculate_elim_costs_all_insns()
/data_sdb/toolchain/src/gcc/gcc/reload1.c:1559
#4 0x158e870 in ira_costs()
/data_sdb/toolchain/src/gcc/gcc/ira-costs.c:2296
#5 0x157369e in ira_build()
/data_sdb/toolchain/src/gcc/gcc/ira-build.c:3426
#6 0x155714d in ira /data_sdb/toolchain/src/gcc/gcc/ira.c:5655
#7 0x155714d in execute /data_sdb/toolchain/src/gcc/gcc/ira.c:5978
#8 0x192438e in execute_one_pass(opt_pass*)
/data_sdb/toolchain/src/gcc/gcc/passes.c:2567
#9 0x1926e3a in execute_pass_list_1
/data_sdb/toolchain/src/gcc/gcc/passes.c:2656
#10 0x1926df8 in execute_pass_list_1
/data_sdb/toolchain/src/gcc/gcc/passes.c:2657
#11 0x1926e95 in execute_pass_list(function*, opt_pass*)
/data_sdb/toolchain/src/gcc/gcc/passes.c:2667
#12 0xc22f30 in cgraph_node::expand()
/data_sdb/toolchain/src/gcc/gcc/cgraphunit.c:1830
#13 0xc23e50 in cgraph_order_sort::process()
/data_sdb/toolchain/src/gcc/gcc/cgraphunit.c:2069
#14 0xc2979a in output_in_order
/data_sdb/toolchain/src/gcc/gcc/cgraphunit.c:2137
#15 0xc2979a in symbol_table::compile()
/data_sdb/toolchain/src/gcc/gcc/cgraphunit.c:2355
#16 0xc3433a in symbol_table::finalize_compilation_unit()
/data_sdb/toolchain/src/gcc/gcc/cgraphunit.c:2539
#17 0x1cc8e7f in compile_file /data_sdb/toolchain/src/gcc/gcc/toplev.c:482
#18 0x1ccf7bf in do_compile /data_sdb/toolchain/src/gcc/gcc/toplev.c:2201
#19 0x1ccf7bf in toplev::main(int, char**)
/data_sdb/toolchain/src/gcc/gcc/toplev.c:2340
#20 0x432625c in main /data_sdb/toolchain/src/gcc/gcc/main.c:39
#21 0x7ffff6740bf6 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x21bf6)
#22 0x645e69 in _start
(/data_sdb/toolchain/build-arm-eabi-armv8.1-m.main+mve/install/libexec/gcc/arm-eabi/11.0.1/cc1+0x645e69)
next reply other threads:[~2021-04-23 17:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-23 17:12 acoplan at gcc dot gnu.org [this message]
2021-04-23 17:22 ` [Bug target/100236] " acoplan at gcc dot gnu.org
2021-04-26 14:30 ` rearnsha at gcc dot gnu.org
2021-04-27 11:29 ` cvs-commit at gcc dot gnu.org
2021-04-27 11:42 ` rearnsha at gcc dot gnu.org
2021-04-28 11:09 ` cvs-commit at gcc dot gnu.org
2021-05-04 12:32 ` rguenth at gcc dot gnu.org
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