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From: "zsojka at seznam dot cz" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug debug/103742] New: [12 Regression] '-fcompare-debug' failure (length) with -O2 -fnon-call-exceptions --param=early-inlining-insns=82
Date: Thu, 16 Dec 2021 05:44:30 +0000 [thread overview]
Message-ID: <bug-103742-4@http.gcc.gnu.org/bugzilla/> (raw)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103742
Bug ID: 103742
Summary: [12 Regression] '-fcompare-debug' failure (length)
with -O2 -fnon-call-exceptions
--param=early-inlining-insns=82
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
CC: aoliva at gcc dot gnu.org
Target Milestone: ---
Created attachment 52011
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52011&action=edit
auto-reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O2 -fnon-call-exceptions
--param=early-inlining-insns=82 -fcompare-debug testcase.C
x86_64-pc-linux-gnu-gcc: error: testcase.C: '-fcompare-debug' failure
$ diff -u *gkd
--- a-testcase.C.gkd 2021-12-16 06:38:14.832032631 +0100
+++ a-testcase.gk.C.gkd 2021-12-16 06:38:14.912032192 +0100
@@ -279,7 +279,7 @@
(expr_list:REG_EQUAL (plus:DI (reg/f:DI 19 frame)
(const_int -16 [0xfffffffffffffff0]))
(nil)))
-(code_label # 0 0 4 18 (nil) [1 uses])
+(code_label # 0 0 4 19 (nil) [1 uses])
(note # 0 0 [bb 4] NOTE_INSN_BASIC_BLOCK)
(insn:TI # 0 0 4 (set (reg:DI 1 dx [orig:87 _9 ] [87])
(mem:DI (reg/f:DI 0 ax [orig:86 iftmp.4_8 ] [86]) [
*iftmp.4_8.m_value+0 S8 A64])) "testcase.C":5:61# {*movdi_internal}
@@ -340,6 +340,6 @@
(jump_insn # 0 0 5 (set (pc)
(label_ref #))# {jump}
(nil)
- -> 18)
+ -> 19)
(barrier # 0 0)
(note # 0 0 NOTE_INSN_DELETED)
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r12-6011-20211215204558-gab18659afc0-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r12-6011-20211215204558-gab18659afc0-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.0 20211216 (experimental) (GCC)
next reply other threads:[~2021-12-16 5:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-16 5:44 zsojka at seznam dot cz [this message]
2021-12-16 6:52 ` [Bug debug/103742] " pinskia at gcc dot gnu.org
2021-12-16 10:04 ` [Bug debug/103742] [12 Regression] '-fcompare-debug' failure (length) with -O2 -fnon-call-exceptions --param=early-inlining-insns=82 since r12-5301-g045206450386bcd7 marxin at gcc dot gnu.org
2021-12-28 15:03 ` jakub at gcc dot gnu.org
2021-12-28 16:37 ` jakub at gcc dot gnu.org
2021-12-28 17:22 ` zsojka at seznam dot cz
2021-12-29 20:47 ` cvs-commit at gcc dot gnu.org
2021-12-29 20:56 ` jakub at gcc dot gnu.org
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