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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/97141] [10/11 Regression] aarch64, SVE: ICE in decompose, at rtl.h (during expand) since r10-4676-g9c437a108a Date: Wed, 16 Dec 2020 14:10:36 +0000 [thread overview] Message-ID: <bug-97141-4-2fgu5SfKsz@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-97141-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97141 --- Comment #2 from Alex Coplan <acoplan at gcc dot gnu.org> --- Adding -fno-tree-forwprop gives us an ICE in LRA instead: $ aarch64-elf-gcc -c pr97141.c -O3 -march=armv8.2-a+sve -fno-tree-forwprop during RTL pass: reload pr97141.c: In function 'g': pr97141.c:8:1: internal compiler error: maximum number of generated reload insns per insn achieved (90) 8 | } | ^ 0xc08d23 lra_constraints(bool) /home/alecop01/toolchain/src/gcc/gcc/lra-constraints.c:5061 0xbeff49 lra(_IO_FILE*) /home/alecop01/toolchain/src/gcc/gcc/lra.c:2329 0xba2af8 do_reload /home/alecop01/toolchain/src/gcc/gcc/ira.c:5802 0xba2af8 execute /home/alecop01/toolchain/src/gcc/gcc/ira.c:5988 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. Originally noticed this LRA ICE with the related testcase: int a; void b() { a = 0; for (; a != -24; a = (short)a - 3) { short *c; *c |= 0 < b; } }
next prev parent reply other threads:[~2020-12-16 14:10 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-21 10:48 [Bug target/97141] New: " acoplan at gcc dot gnu.org 2020-09-21 11:29 ` [Bug target/97141] " rguenth at gcc dot gnu.org 2020-12-08 14:39 ` akrl at gcc dot gnu.org 2020-12-16 14:10 ` acoplan at gcc dot gnu.org [this message] 2021-01-14 9:21 ` rguenth at gcc dot gnu.org 2021-01-14 9:21 ` rguenth at gcc dot gnu.org 2021-03-30 11:05 ` rsandifo at gcc dot gnu.org 2021-03-31 18:34 ` cvs-commit at gcc dot gnu.org 2021-03-31 20:37 ` [Bug target/97141] [10 " rsandifo at gcc dot gnu.org 2021-03-31 20:38 ` rsandifo at gcc dot gnu.org 2021-04-08 12:02 ` rguenth at gcc dot gnu.org 2021-04-23 9:10 ` cvs-commit at gcc dot gnu.org 2021-04-23 9:14 ` rsandifo at gcc dot gnu.org 2021-12-12 13:18 ` pinskia at gcc dot gnu.org
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