Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755546Ab3JWDMD (ORCPT ); Tue, 22 Oct 2013 23:12:03 -0400 Received: from intranet.asianux.com ([58.214.24.6]:22569 "EHLO intranet.asianux.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753748Ab3JWDMB (ORCPT ); Tue, 22 Oct 2013 23:12:01 -0400 X-Spam-Score: -100.8 Message-ID: <52673E41.6040606@asianux.com> Date: Wed, 23 Oct 2013 11:10:57 +0800 From: Chen Gang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: Joern Rennecke CC: Vineet Gupta , "jeremy.bennett@embecosm.com" , "linux-kernel@vger.kernel.org" , Claudiu Zissulescu , Francois Bedard Subject: Re: [Suggestion] arc: compiler: bug: about an arc compiler's bug which is not in gcc main source code. References: <523FD9E7.3050303@asianux.com> <523FDBD7.4040602@asianux.com> <523FE578.5060801@asianux.com> <52672DAC.1030307@asianux.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4886 Lines: 107 On 10/23/2013 10:48 AM, Joern Rennecke wrote: > On 23 October 2013 03:00, Chen Gang wrote: > >> Binutils (1 issue, ld and as information): >> >> when calling panic(), printk(), or memset() with R_ARC_S21W_PCREL, it may be overflow (I guess it need be R_ARC_S25W_PCREL). >> >> /usr/local/bin/arc-elf32-ld --build-id -X -o .tmp_vmlinux1 -T /android/public-kernel/linux-next/arch/arc/kernel/vmlinux.lds arch/arc/kernel/head.o init/built-in.o --start-group usr/built-in.o arch/arc/built-in.o arch/arc/boot/dts/built-in.o arch/arc/plat-arcfpga/built-in.o arch/arc/plat-tb10x/built-in.o kernel/built-in.o mm/built-in.o fs/built-in.o ipc/built-in.o security/built-in.o crypto/built-in.o block/built-in.o lib/lib.a arch/arc/lib/lib.a /usr/local/lib/gcc/arc-elf32/4.8.0/libgcc.a lib/built-in.o arch/arc/lib/built-in.o /usr/local/lib/gcc/arc-elf32/4.8.0/libgcc.a drivers/built-in.o sound/built-in.o firmware/built-in.o net/built-in.o --end-group >> /usr/local/bin/arc-elf32-ld: Error: Overflow detected in relocation value; >> /usr/local/bin/arc-elf32-ld: Relocation value should be between 1048575 and -1048576 whereas it 2404264 >> /usr/local/bin/arc-elf32-ld: Global symbol: "panic". >> /usr/local/bin/arc-elf32-ld: >> Relocation type is:R_ARC_S21W_PCREL >> FileName:arch/arc/built-in.o >> Section Name:.text >> Offset in Section:1716 >> /usr/local/bin/arc-elf32-ld: final link failed: Bad value >> make: *** [vmlinux] Error 1 > > That just means that the image is too large to allow conditional > pc-relative calls (tail/sibcalls) or otherwise. > > You can avoid generating them for functions with out a relevant > attribute with -mmedium-calls . > OK, thanks, I will/should try (it should be OK). BTW: after pass this, kernel may pass the whole cross compiling with allmodconfig (the other 2 gcc issues, can reconstruct source code to bypass). > > >> GCC (2 issues, and gcc information): >> >> CC drivers/rtc/systohc.o >> drivers/rtc/systohc.c: In function 'rtc_set_ntp_time': >> drivers/rtc/systohc.c:44:1: internal compiler error: in arc_ifcvt, at config/arc/arc.c:8315 >> } >> ^ >> 0x939c94 arc_ifcvt >> ../../gcc/gcc/config/arc/arc.c:8315 >> 0x93a394 arc_reorg >> ../../gcc/gcc/config/arc/arc.c:5985 >> 0x7517d9 rest_of_handle_machine_reorg >> ../../gcc/gcc/reorg.c:3927 >> Please submit a full bug report, >> with preprocessed source if appropriate. >> Please include the complete backtrace with any bug report. >> See for instructions. >> make[2]: *** [drivers/rtc/systohc.o] Error 1 >> make[1]: *** [drivers/rtc] Error 2 >> make: *** [drivers] Error 2 >> >> >> CC [M] drivers/target/target_core_pr.o >> drivers/target/target_core_pr.c: In function 'target_scsi3_emulate_pr_in': >> drivers/target/target_core_pr.c:4033:1: error: unrecognizable insn: >> } >> ^ >> (insn 846 194 196 12 (set (reg:QI 1 r1) >> (subreg:QI (mem/j/c:DI (plus:SI (reg/v/f:SI 2 r2 [orig:199 pr_reg ] [199]) >> (const_int 576 [0x240])) [0 pr_reg_50->pr_res_key+0 S8 A32]) 7)) drivers/target/target_core_pr.c:3677 -1 >> (nil)) >> drivers/target/target_core_pr.c:4033:1: internal compiler error: in extract_insn, at recog.c:2151 >> 0x758fb5 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) >> ../../gcc/gcc/rtl-error.c:109 >> 0x758fe9 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*) >> ../../gcc/gcc/rtl-error.c:117 >> 0x726e83 extract_insn(rtx_def*) >> ../../gcc/gcc/recog.c:2151 >> 0x726ef4 extract_insn_cached(rtx_def*) >> ../../gcc/gcc/recog.c:2054 >> 0x5fe026 cleanup_subreg_operands(rtx_def*) >> ../../gcc/gcc/final.c:3305 >> 0x750c2e reload(rtx_def*, int) >> ../../gcc/gcc/reload1.c:1240 >> 0x68e703 do_reload >> ../../gcc/gcc/ira.c:4631 >> 0x68e703 rest_of_handle_reload >> ../../gcc/gcc/ira.c:4731 >> Please submit a full bug report, >> with preprocessed source if appropriate. >> Please include the complete backtrace with any bug report. >> See for instructions. >> make[2]: *** [drivers/target/target_core_pr.o] Error 1 >> make[1]: *** [drivers/target] Error 2 >> make: *** [drivers] Error 2 > > Can these issues be reproduced with the lastest gcc version? If so, > can you provide preprocessed source of the testcases and the compiler > flags to trigger the ICEs? > > OK, thanks, I will/should try, hope I can finish within this month (2013-10-31). Thanks. -- Chen Gang -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/