From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A941938582B8; Fri, 26 Aug 2022 05:41:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A941938582B8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1661492496; bh=AAJDNwZhKwP2I4YO90T6OQ+Mnsc8ih610GqVC5flkok=; h=From:To:Subject:Date:From; b=Ur01mGh4pGh37DsrpjT8ltgNx/IG2mXyOx6ZCsu+duDm5vgST7gnOO7vDYOnorWNt TYqd0KYI3aFpFFW2AN9yjuuSZgHnz94iMYhsV4GxRKIPcZAAK85bfHBVQnJwRMWb4E QM9ij/CslyADnlCgMySo8ymuC/42AWwwadZGSw0o= From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug debug/106746] New: [13 Regression] '-fcompare-debug' failure (length) with -O2 -fsched2-use-superblocks Date: Fri, 26 Aug 2022 05:41:35 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: debug X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: compare-debug-failure X-Bugzilla-Severity: normal X-Bugzilla-Who: zsojka at seznam dot cz X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status keywords bug_severity priority component assigned_to reporter cc target_milestone cf_gcchost attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106746 Bug ID: 106746 Summary: [13 Regression] '-fcompare-debug' failure (length) with -O2 -fsched2-use-superblocks Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: compare-debug-failure 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: --- Host: x86_64-pc-linux-gnu Created attachment 53511 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D53511&action=3Dedit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O2 -fsched2-use-superblocks -fcompare-debug testcase.c -save-temps -Wno-psabi x86_64-pc-linux-gnu-gcc: error: testcase.c: '-fcompare-debug' failure (leng= th) $ diff -u *gkd --- a-testcase.c.gkd 2022-08-26 07:38:56.088210543 +0200 +++ a-testcase.gk.c.gkd 2022-08-26 07:38:56.131543638 +0200 @@ -435,11 +435,6 @@ ]) "testcase.c":24:5# {*andsi_1_zext} (expr_list:REG_UNUSED (reg:CC 17 flags) (nil))) -(insn # 0 0 2 (set (reg:V16QI 23 xmm3 [272]) - (plus:V16QI (reg:V16QI 23 xmm3 [280]) - (mem/c:V16QI (plus:DI (reg/f:DI 7 sp) - (const_int -120 [0xffffffffffffff88])) [ S16 A128]))) "testcase.c":25:14# {*addv16qi3} - (nil)) (insn:TI # 0 0 2 (set (reg:V4SI 22 xmm2 [208]) (vec_concat:V4SI (reg:V2SI 22 xmm2 [224]) (reg:V2SI 26 xmm6 [221]))) "testcase.c":24:5# {*vec_concatv4si} @@ -493,12 +488,6 @@ (const_int 8 [0x8])) [ VIEW_CONVERT_EXPR(D.xxxx)[_45]+0 S4 A32])) "testcase.c":24:5# {*movsi_internal} (expr_list:REG_DEAD (reg:DI 1 dx [234]) (nil))) -(insn # 0 0 2 (set (reg:SI 2 cx [256]) - (mem:SI (plus:DI (reg/f:DI 7 sp) - (const_int 128 [0x80])) [ S4 A64])) "testcase.c":24:5# {*movsi_internal} - (expr_list:REG_EQUIV (mem:SI (plus:DI (reg/f:DI 19 frame) - (const_int -200 [0xffffffffffffff38])) [ S4 A64]) - (nil))) (insn:TI # 0 0 2 (set (reg:V2SI 26 xmm6 [241]) (vec_concat:V2SI (reg:SI 26 xmm6 [241]) (reg:SI 22 xmm2 [orig:242 VIEW_CONVERT_EXPR(D.xxxx)[_= 51] ] [242]))) "testcase.c":24:5# {*vec_concatv2si} @@ -511,6 +500,33 @@ ... Renaming the variable "foo0_v512u32_0" to "b" makes the failure disappear. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=3D/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-g= cc COLLECT_LTO_WRAPPER=3D/repo/gcc-trunk/binary-trunk-r13-2206-20220825175413-= g60d84e82639-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-l= inux-gnu/13.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=3Dc,c++ --enable-valgrind-annotations --disable-nls --enable-checking=3Dyes,rtl,df,= extra --with-cloog --with-ppl --with-isl --build=3Dx86_64-pc-linux-gnu --host=3Dx86_64-pc-linux-gnu --target=3Dx86_64-pc-linux-gnu --with-ld=3D/usr/bin/x86_64-pc-linux-gnu-ld --with-as=3D/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=3D/repo/gcc-trunk//binary-trunk-r13-2206-20220825175413-g60d84e826= 39-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 13.0.0 20220825 (experimental) (GCC)=