https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91453
Bug ID: 91453
Summary: ICE in elimination_costs_in_insn at reload1.c:3547
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: hjl.tools at gmail dot com, uros at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
It's as old as we have -mavx512vl (since GCC 5.1.0):
$ gfortran
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/deferred_character_23.f90
-Os -mavx512vl -fno-rerun-cse-after-loop -c
during RTL pass: ira
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/deferred_character_23.f90:27:0:
27 | END MODULE TN4
|
internal compiler error: in elimination_costs_in_insn, at reload1.c:3547
0x6b68b6 elimination_costs_in_insn
/home/marxin/Programming/gcc/gcc/reload1.c:3547
0xdad05d calculate_elim_costs_all_insns()
/home/marxin/Programming/gcc/gcc/reload1.c:1609
0xc5d45d ira_costs()
/home/marxin/Programming/gcc/gcc/ira-costs.c:2305
0xc56b79 ira_build()
/home/marxin/Programming/gcc/gcc/ira-build.c:3432
0xc4db07 ira
/home/marxin/Programming/gcc/gcc/ira.c:5352
0xc4db07 execute
/home/marxin/Programming/gcc/gcc/ira.c:5663
