Date: Tue, 18 May 2010 20:12:43 GMT From: Alexander <freebsd@nagilum.org> To: freebsd-gnats-submit@FreeBSD.org Subject: i386/146716: gcc CPU detection error Message-ID: <201005182012.o4IKChgw078086@www.freebsd.org> Resent-Message-ID: <201005182020.o4IKK1vt054802@freefall.freebsd.org>
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>Number: 146716 >Category: i386 >Synopsis: gcc CPU detection error >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-i386 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue May 18 20:20:01 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Alexander >Release: FreeBSD 8.0-STABLE >Organization: >Environment: FreeBSD cakebox.tis 8.0-STABLE FreeBSD 8.0-STABLE #0: Mon Mar 1 12:13:22 CET 2010 root@cakebox.tis:/usr/obj/export/src/sys/net5501 i386 >Description: This is basically http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37179 $ gcc -march=native -### a16.c Using built-in specs. Target: i386-undermydesk-freebsd Configured with: FreeBSD/i386 system compiler Thread model: posix gcc version 4.2.1 20070719 [FreeBSD] "/usr/libexec/cc1" "-quiet" "-D_LONGLONG" "a16.c" "-march=athlon" "-mtune=athlon" "-quiet" "-dumpbase" "a16.c" "-auxbase" "a16" "-o" "/var/tmp//cc51kNdo.s" "/usr/bin/as" "-o" "/var/tmp//cc6UovRy.o" "/var/tmp//cc51kNdo.s" "/usr/bin/ld" "--eh-frame-hdr" "-dynamic-linker" "/libexec/ld-elf.so.1" "/usr/lib/crt1.o" "/usr/lib/crti.o" "/usr/lib/crtbegin.o" "-L/usr/lib" "-L/usr/lib" "/var/tmp//cc6UovRy.o" "-lgcc" "--as-needed" "-lgcc_s" "--no-as-needed" "-lc" "-lgcc" "--as-needed" "-lgcc_s" "--no-as-needed" "/usr/lib/crtend.o" "/usr/lib/crtn.o" vs: $ gcc44 -march=native -### a16.c Using built-in specs. Target: i386-portbld-freebsd8.0 Configured with: ./../gcc-4.4-20100427/configure --disable-nls --libdir=/usr/local/lib/gcc44 --libexecdir=/usr/local/libexec/gcc44 --program-suffix=44 --with-as=/usr/local/bin/as --with-gmp=/usr/local --with-gxx-include-dir=/usr/local/lib/gcc44/include/c++/ --with-ld=/usr/local/bin/ld --with-libiconv-prefix=/usr/local --with-system-zlib --disable-rpath --prefix=/usr/local --mandir=/usr/local/man --infodir=/usr/local/info/gcc44 --build=i386-portbld-freebsd8.0 Thread model: posix gcc version 4.4.4 20100427 (prerelease) (GCC) COLLECT_GCC_OPTIONS= "/usr/local/libexec/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4/cc1" "-quiet" "a16.c" "-march=geode" "--param" "l1-cache-size=64" "--param" "l1-cache-line-size=32" "--param" "l2-cache-size=128" "-mtune=geode" "-quiet" "-dumpbase" "a16.c" "-auxbase" "a16" "-o" "/var/tmp//cct3VB2u.s" COLLECT_GCC_OPTIONS= "/usr/local/bin/as" "-o" "/var/tmp//ccfjzqyD.o" "/var/tmp//cct3VB2u.s" COMPILER_PATH=/usr/local/libexec/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4/:/usr/local/libexec/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4/:/usr/local/libexec/gcc44/gcc/i386-portbld-freebsd8.0/:/usr/local/lib/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4/:/usr/local/lib/gcc44/gcc/i386-portbld-freebsd8.0/:/usr/local/lib/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4/../../../../../i386-portbld-freebsd8.0/bin/ LIBRARY_PATH=/usr/local/lib/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4/:/usr/local/lib/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4/../../../../../i386-portbld-freebsd8.0/lib/:/usr/local/lib/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4/../../../:/lib/:/usr/lib/ COLLECT_GCC_OPTIONS= "/usr/local/libexec/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4/collect2" "-dynamic-linker" "/libexec/ld-elf.so.1" "/usr/lib/crt1.o" "/usr/lib/crti.o" "/usr/local/lib/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4/crtbegin.o" "-L/usr/local/lib/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4" "-L/usr/local/lib/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4/../../../../../i386-portbld-freebsd8.0/lib" "-L/usr/local/lib/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4/../../.." "/var/tmp//ccfjzqyD.o" "-lgcc" "-lgcc_eh" "-lc" "-lgcc" "-lgcc_eh" "/usr/local/lib/gcc44/gcc/i386-portbld-freebsd8.0/4.4.4/crtend.o" "/usr/lib/crtn.o" nagilum@cakebox /var/run > head -12 dmesg.boot Copyright (c) 1992-2010 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 8.0-STABLE #0: Mon Mar 1 12:13:22 CET 2010 root@cakebox.tis:/usr/obj/export/src/sys/net5501 i386 Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: Geode(TM) Integrated Processor by AMD PCS (499.90-MHz 586-class CPU) Origin = "AuthenticAMD" Id = 0x5a2 Stepping = 2 Features=0x88a93d<FPU,DE,PSE,TSC,MSR,CX8,SEP,PGE,CMOV,CLFLUSH,MMX> AMD Features=0xc0400000<MMX+,3DNow!+,3DNow!> real memory = 536870912 (512 MB) >How-To-Repeat: Compile code with -march=native on a Geode system, watch the resulting programs crash and die (no a Geode system). >Fix: See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37179 As a workaround I'm using "-march=pentium -mtune=generic" >Release-Note: >Audit-Trail: >Unformatted:
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