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From: "acoplan at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/98601] New: aarch64: ICE in rtx_addr_can_trap_p_1, at rtlanal.c:467 Date: Fri, 08 Jan 2021 13:08:24 +0000 [thread overview] Message-ID: <bug-98601-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98601 Bug ID: 98601 Summary: aarch64: ICE in rtx_addr_can_trap_p_1, at rtlanal.c:467 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: acoplan at gcc dot gnu.org Target Milestone: --- The following fails: $ cat test.c void a() { void *b; asm("" : "=Q"(*b)); } $ aarch64-elf-gcc -c test.c -O test.c: In function 'a': test.c:3:17: warning: dereferencing 'void *' pointer 3 | asm("" : "=Q"(*b)); | ^~ during RTL pass: cprop_hardreg test.c:4:1: internal compiler error: in rtx_addr_can_trap_p_1, at rtlanal.c:467 4 | } | ^ 0xd61f35 rtx_addr_can_trap_p_1 /home/alecop01/toolchain/src/gcc/gcc/rtlanal.c:467 0xd626ac may_trap_p_1(rtx_def const*, unsigned int) /home/alecop01/toolchain/src/gcc/gcc/rtlanal.c:3182 0xd62918 may_trap_p_1(rtx_def const*, unsigned int) /home/alecop01/toolchain/src/gcc/gcc/rtlanal.c:3282 0xd629cd may_trap_p(rtx_def const*) /home/alecop01/toolchain/src/gcc/gcc/rtlanal.c:3301 0xd2de10 copyprop_hardreg_forward_1 /home/alecop01/toolchain/src/gcc/gcc/regcprop.c:789 0xd2eb9a cprop_hardreg_bb /home/alecop01/toolchain/src/gcc/gcc/regcprop.c:1302 0xd2ee2a execute /home/alecop01/toolchain/src/gcc/gcc/regcprop.c:1367 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.
next reply other threads:[~2021-01-08 13:08 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-01-08 13:08 acoplan at gcc dot gnu.org [this message] 2021-03-31 10:30 ` [Bug rtl-optimization/98601] [8/9/10/11 Regression] " acoplan at gcc dot gnu.org 2021-03-31 11:00 ` acoplan at gcc dot gnu.org 2021-03-31 11:41 ` [Bug target/98601] " rguenth at gcc dot gnu.org 2021-03-31 11:50 ` [Bug rtl-optimization/98601] " rguenth at gcc dot gnu.org 2021-03-31 12:51 ` acoplan at gcc dot gnu.org 2021-04-09 8:05 ` rguenth at gcc dot gnu.org 2021-04-09 9:16 ` jakub at gcc dot gnu.org 2021-04-09 9:28 ` jakub at gcc dot gnu.org 2021-04-10 10:47 ` cvs-commit at gcc dot gnu.org 2021-04-10 10:50 ` [Bug rtl-optimization/98601] [8/9/10 " jakub at gcc dot gnu.org 2021-04-20 9:45 ` cvs-commit at gcc dot gnu.org 2021-04-20 9:52 ` [Bug rtl-optimization/98601] [8/9 " jakub at gcc dot gnu.org 2021-04-20 23:34 ` cvs-commit at gcc dot gnu.org 2021-04-22 16:52 ` cvs-commit at gcc dot gnu.org 2021-04-22 17:11 ` jakub at gcc dot gnu.org
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