From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11068 invoked by alias); 10 May 2006 02:44:02 -0000 Received: (qmail 10953 invoked by uid 48); 10 May 2006 02:43:54 -0000 Date: Wed, 10 May 2006 02:44:00 -0000 Subject: [Bug c/27528] New: compiling linux kernels 2.6.16.14/15 2.6.17-rc3 on powerpc (7450) get error on long exixting code X-Bugzilla-Reason: CC Message-ID: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "malitzke at metronets dot com" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2006-05/txt/msg00953.txt.bz2 List-Id: "main_rmg" Invoking command gcc -v -save-temps -m32 -Wp,-MD,init/.main.o.d -nostdinc -isystem /usr/lib/gcc/powerpc-unknown-linux-gnu/4.2.0/include -D__KERNEL__ -Iinclude -include include/linux/autoconf.h -Iarch/powerpc -Iarch/powerpc/include -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -O2 -fomit-frame-pointer -msoft-float -pipe -Iarch/powerpc -ffixed-r2 -mmultiple -mno-altivec -funit-at-a-time -mstring -mcpu=powerpc -Wa,-maltivec -Wdeclaration-after-statement -Wno-pointer-sign -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(main)" -D"KBUILD_MODNAME=KBUILD_STR(main)" -c -o init/main.o init/main.c "main_rmg.out" gcc: warning: -pipe ignored because -save-temps specified Using built-in specs. Target: powerpc-unknown-linux-gnu Configured with: ../gcc-4.2.0/configure --prefix=/usr --enable-version-specific-runtime-libs --with-java-home=/usr --infodir=/usr/share/gcc-42 --datadir=/usr/share/gcc-42 --mandir=/usr/share/gcc-42 --program-suffix=-42 --enable-shared --enable-gomp --enable-mudflap --enable-libgfortran --enable-threads=posix --enable-__cxa_atexit --enable-libgcc-math --disable-checking --disable-multilib --disable-nls --disable-werror --with-gnu-ld --with-mpfr-dir=/src/src/mpfr-2.2.0 --with-mpfr=/usr/lib --with-gmp-dir=/src/src/gmp-4.2 --with-gmp=/usr/lib --enable-languages=c,c++ --with-cpu=7450 --enable-clocale=gnu Thread model: posix gcc version 4.2.0 20060509 (experimental) /usr/libexec/gcc/powerpc-unknown-linux-gnu/4.2.0/cc1 -E -quiet -nostdinc -v -Iinclude -Iarch/powerpc -Iarch/powerpc/include -Iarch/powerpc -D__unix__ -D__gnu_linux__ -D__linux__ -Dunix -D__unix -Dlinux -D__linux -Asystem=linux -Asystem=unix -Asystem=posix -D__KERNEL__ -DKBUILD_STR(s)=#s -DKBUILD_BASENAME=KBUILD_STR(main) -DKBUILD_MODNAME=KBUILD_STR(main) -isystem /usr/lib/gcc/powerpc-unknown-linux-gnu/4.2.0/include -include include/linux/autoconf.h -MD init/.main.o.d init/main.c -m32 -msoft-float -mmultiple -mno-altivec -mstring -mcpu=powerpc -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-aliasing -fno-common -fomit-frame-pointer -ffixed-r2 -funit-at-a-time -O2 -fpch-preprocess -o main.i ignoring duplicate directory "arch/powerpc" #include "..." search starts here: #include <...> search starts here: include arch/powerpc arch/powerpc/include /usr/lib/gcc/powerpc-unknown-linux-gnu/4.2.0/include End of search list. /usr/libexec/gcc/powerpc-unknown-linux-gnu/4.2.0/cc1 -fpreprocessed main.i -quiet -dumpbase main.c -m32 -msoft-float -mmultiple -mno-altivec -mstring -mcpu=powerpc -auxbase-strip init/main.o -O2 -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -Wdeclaration-after-statement -Wno-pointer-sign -version -fno-strict-aliasing -fno-common -fomit-frame-pointer -ffixed-r2 -funit-at-a-time -o main.s GNU C version 4.2.0 20060509 (experimental) (powerpc-unknown-linux-gnu) compiled by GNU C version 4.2.0 20060509 (experimental). GGC heuristics: --param ggc-min-expand=81 --param ggc-min-heapsize=96676 Compiler executable checksum: 1ddc21b7b24d4a7d358320168400dad6 init/main.c: In function 'unknown_bootoption': init/main.c:235: warning: asm operand 2 probably doesn't match constraints init/main.c:235: error: impossible constraint in 'asm' "from_main_i" I believthe rest of main.i adds little but could send it if requested. static int __attribute__ ((__section__ (".init.text"))) unknown_bootoption(char *param, char *val) { if (val) { if (val == param+strlen(param)+1) val[-1] = '='; else if (val == param+strlen(param)+2) { val[-2] = '='; memmove(val-1, val, strlen(val)+1); val--; } else do { __asm__ __volatile__( "1: twi 31,0,0\n" ".section __bug_table,\"a\"\n" "\t"".long" " "" 1b,%0,%1,%2\n" ".previous" : : "i" (235), "i" ("init/main.c"), "i" ((__func__))); } while (0); } if (obsolete_checksetup(param)) return 0; "main_c.offending" producing "from_main_i" /* * Unknown boot options get handed to init, unless they look like * failed parameters */ static int __init unknown_bootoption(char *param, char *val) { /* Change NUL term back to "=", to make "param" the whole string. */ if (val) { /* param=val or param="val"? */ if (val == param+strlen(param)+1) val[-1] = '='; else if (val == param+strlen(param)+2) { val[-2] = '='; memmove(val-1, val, strlen(val)+1); val--; } else BUG(); } "powerpc_BUG_def" defining BUG() #define BUG() do { \ __asm__ __volatile__( \ "1: twi 31,0,0\n" \ ".section __bug_table,\"a\"\n" \ "\t"PPC_LONG" 1b,%0,%1,%2\n" \ ".previous" \ : : "i" (__LINE__), "i" (__FILE__), "i" (__FUNCTION__)); \ } while (0) -- Summary: compiling linux kernels 2.6.16.14/15 2.6.17-rc3 on powerpc (7450) get error on long exixting code Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: malitzke at metronets dot com GCC build triplet: powerpc-linux GCC host triplet: powerpc-linux GCC target triplet: powerpc-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27528