[Bug target/84828] ICE in verify_flow_info at gcc/cfghooks.c:265
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84828 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|--- |FIXED --- Comment #9 from Jakub Jelinek --- Fixed.
[Bug target/84828] ICE in verify_flow_info at gcc/cfghooks.c:265
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84828 --- Comment #8 from Martin Liška --- Jakub: Can the bug be marked as resolved? Or planning to backport that?
[Bug target/84828] ICE in verify_flow_info at gcc/cfghooks.c:265
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84828 --- Comment #7 from Jakub Jelinek --- Author: jakub Date: Tue Apr 24 07:40:04 2018 New Revision: 259591 URL: https://gcc.gnu.org/viewcvs?rev=259591&root=gcc&view=rev Log: PR target/84828 * reg-stack.c (move_for_stack_reg): Don't fail assertion about dead destination if any_malformed_asm. Modified: trunk/gcc/ChangeLog trunk/gcc/reg-stack.c
[Bug target/84828] ICE in verify_flow_info at gcc/cfghooks.c:265
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84828
--- Comment #6 from Martin Liška ---
I have a very similar issue:
$ g++ /home/marxin/Programming/gcc/gcc/testsuite/g++.dg/ext/pr84828.C /dev/null
-mno-sse -Og
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/ext/pr84828.C: In function
‘void foo(float, double)’:
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/ext/pr84828.C:10:35: error:
output constraint 0 must specify a single register
asm volatile ("" : "+f" (c)); // { dg-error "must specify a single
register" }
^
during RTL pass: stack
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/ext/pr84828.C:13:1: internal
compiler error: in move_for_stack_reg, at reg-stack.c:1108
}
^
0xd5f7ca move_for_stack_reg
../../gcc/reg-stack.c:1108
0xd60ead subst_stack_regs
../../gcc/reg-stack.c:2438
0xd610a0 convert_regs_1
../../gcc/reg-stack.c:3072
0xd610a0 convert_regs_2
../../gcc/reg-stack.c:3207
0xd627f8 convert_regs
../../gcc/reg-stack.c:3242
0xd627f8 reg_to_stack
../../gcc/reg-stack.c:3367
0xd627f8 rest_of_handle_stack_regs
../../gcc/reg-stack.c:3422
0xd627f8 execute
../../gcc/reg-stack.c:3453
Should I open another PR?
[Bug target/84828] ICE in verify_flow_info at gcc/cfghooks.c:265
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84828 Jakub Jelinek changed: What|Removed |Added CC||andrey.y.guskov at intel dot com --- Comment #5 from Jakub Jelinek --- *** Bug 84983 has been marked as a duplicate of this bug. ***
[Bug target/84828] ICE in verify_flow_info at gcc/cfghooks.c:265
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84828 --- Comment #4 from Jakub Jelinek --- Created attachment 43676 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43676&action=edit gcc8-pr84828.patch As mentioned on the ML, the testcase still ICEs on x86_64-linux with -m32. I've tried to fix it up this way, but that doesn't help.
[Bug target/84828] ICE in verify_flow_info at gcc/cfghooks.c:265
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84828 --- Comment #3 from Jakub Jelinek --- Fixed for 8.1+ so far.
[Bug target/84828] ICE in verify_flow_info at gcc/cfghooks.c:265
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84828 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Tue Mar 13 08:04:54 2018 New Revision: 258476 URL: https://gcc.gnu.org/viewcvs?rev=258476&root=gcc&view=rev Log: PR target/84828 * reg-stack.c (change_stack): Change update_end var from int to rtx_insn *, if non-NULL don't update just BB_END (current_block), but also call set_block_for_insn on the newly added insns and rescan. * g++.dg/ext/pr84828.C: New test. Added: trunk/gcc/testsuite/g++.dg/ext/pr84828.C Modified: trunk/gcc/ChangeLog trunk/gcc/reg-stack.c trunk/gcc/testsuite/ChangeLog
[Bug target/84828] ICE in verify_flow_info at gcc/cfghooks.c:265
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84828 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed||2018-03-12 Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Jakub Jelinek --- Created attachment 43632 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43632&action=edit gcc8-pr84828.patch Untested fix.
