https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104335
Bug ID: 104335
Summary: [12 regression] build failure if go is included in
languages after r12-6747
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:aa8cfe785953a0e87d2472311e1260cd98c605c0, r12-6747
This is a non-bootstrap build on a power 10 system with the configuration:
configure --enable-languages=all --with-cpu=power10 --disable-bootstrap
libtool: compile: /home/seurer/gcc/git/build/gcc-test/./gcc/gccgo
-B/home/seurer/gcc/git/build/gcc-test/./gcc/
-B/home/seurer/gcc/git/install/gcc-test/powerpc64le-unknown-linux-gnu/bin/
-B/home/seurer/gcc/git/install/gcc-test/powerpc64le-unknown-linux-gnu/lib/
-isystem
/home/seurer/gcc/git/install/gcc-test/powerpc64le-unknown-linux-gnu/include
-isystem
/home/seurer/gcc/git/install/gcc-test/powerpc64le-unknown-linux-gnu/sys-include
-O2 -g -I . -c -fgo-pkgpath=golang.org/x/tools/internal/analysisinternal
/home/seurer/gcc/git/gcc-test/libgo/go/golang.org/x/tools/internal/analysisinternal/analysis.go
-o golang.org/x/tools/internal/analysisinternal.o
during RTL pass: ce2
/home/seurer/gcc/git/gcc-test/libgo/go/golang.org/x/tools/internal/analysisinternal/analysis.go:
In function 'golang.org/x/tools/internal/analysisinternal.FindBestMatch':
/home/seurer/gcc/git/gcc-test/libgo/go/golang.org/x/tools/internal/analysisinternal/analysis.go:402:1:
internal compiler error: in validate_condition_mode, at
config/rs6000/rs6000.cc:11358
402 | func FindBestMatch(pattern string, idents []*ast.Ident) ast.Expr {
| ^
0x11128e5f validate_condition_mode(rtx_code, machine_mode)
/home/seurer/gcc/git/gcc-test/gcc/config/rs6000/rs6000.cc:11354
0x1112909b rs6000_generate_compare
/home/seurer/gcc/git/gcc-test/gcc/config/rs6000/rs6000.cc:15153
0x11132f63 rs6000_emit_int_cmove(rtx_def*, rtx_def*, rtx_def*, rtx_def*)
/home/seurer/gcc/git/gcc-test/gcc/config/rs6000/rs6000.cc:16320
0x11840903 gen_movsicc(rtx_def*, rtx_def*, rtx_def*, rtx_def*)
/home/seurer/gcc/git/gcc-test/gcc/config/rs6000/rs6000.md:5365
0x10a678e7 rtx_insn* insn_gen_fn::operator()<rtx_def*, rtx_def*, rtx_def*,
rtx_def*>(rtx_def*, rtx_def*, rtx_def*, rtx_def*) const
/home/seurer/gcc/git/gcc-test/gcc/recog.h:407
0x10a678e7 maybe_gen_insn(insn_code, unsigned int, expand_operand*)
/home/seurer/gcc/git/gcc-test/gcc/optabs.cc:7962
0x10a68a93 maybe_expand_insn(insn_code, unsigned int, expand_operand*)
/home/seurer/gcc/git/gcc-test/gcc/optabs.cc:7993
0x10a68a93 emit_conditional_move_1
/home/seurer/gcc/git/gcc-test/gcc/optabs.cc:5030
0x10a68a93 emit_conditional_move_1
/home/seurer/gcc/git/gcc-test/gcc/optabs.cc:4991
0x10a68bdb emit_conditional_move(rtx_def*, rtx_def*, rtx_def*, rtx_def*,
rtx_def*, machine_mode)
/home/seurer/gcc/git/gcc-test/gcc/optabs.cc:4980
0x11b9408f noce_emit_cmove
/home/seurer/gcc/git/gcc-test/gcc/ifcvt.cc:1753
0x11b94d5b try_emit_cmove_seq
/home/seurer/gcc/git/gcc-test/gcc/ifcvt.cc:3179
0x11b9c0a7 noce_convert_multiple_sets
/home/seurer/gcc/git/gcc-test/gcc/ifcvt.cc:3394
0x11b9d8bf noce_process_if_block
/home/seurer/gcc/git/gcc-test/gcc/ifcvt.cc:3613
0x11ba08bf noce_find_if_block
/home/seurer/gcc/git/gcc-test/gcc/ifcvt.cc:4367
0x11ba08bf find_if_header
/home/seurer/gcc/git/gcc-test/gcc/ifcvt.cc:4572
0x11ba08bf if_convert
/home/seurer/gcc/git/gcc-test/gcc/ifcvt.cc:5713
0x11ba1a0b execute
/home/seurer/gcc/git/gcc-test/gcc/ifcvt.cc:5866
commit e9ebb86799fd77cdd5351078230c114a90e66066 (HEAD)
Author: Robin Dapp <rd...@linux.ibm.com>
Date: Wed Nov 27 13:53:40 2019 +0100
ifcvt/optabs: Allow using a CC comparison for emit_conditional_move.
