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From: "dank@kegel.com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug inline-asm/11103] [3.3/3.4 regression] asm-specifier conflicts with asm clobber list Date: Sun, 08 Jun 2003 09:39:00 -0000 [thread overview] Message-ID: <20030608093940.3184.qmail@sources.redhat.com> (raw) In-Reply-To: <20030605185817.11103.mdb@gnu.org> PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org. http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11103 dank@kegel.com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dank@kegel.com ------- Additional Comments From dank@kegel.com 2003-06-08 09:39 ------- I get a similar error, error: asm-specifier for variable `_a1' conflicts with asm clobber list compiling glibc-2.3.2 with gcc-3.3 for arm-linux. In the real world, you should be able to reproduce this like so: wget http://www.kegel.com/crossgcc/crosstool-0.6.tar.gz tar -xzvf crosstool-0.6.tar.gz cd crosstool-0.6 eval `cat arm.dat` `cat gcc3.3-glibc2.3.2.dat` sh all.sh Here's the problem boiled down as small as I can easily get it (this is the output of $ cd build/arm-unknown-linux-gnu/gcc-3.3-glibc-2.3.2/glibc-2.3.2/signal $ arm-unknown-linux-gnu-gcc -E ../linuxthreads/sysdeps/pthread/sigaction.c cut down by hand and reformatted with indent): -- snip -- cat > bug.c <<_EOF_ extern int *__errno_location (void) __attribute__ ((__const__)); struct kernel_sigaction { //__sighandler_t k_sa_handler; unsigned long sa_flags; void (*sa_restorer) (void); //sigset_t sa_mask; }; int __libc_sigaction(sig, act, oact) int sig; const struct sigaction *act; struct sigaction *oact; { int result; struct kernel_sigaction kact, koact; result = ( { unsigned int _sys_result = ( { unsigned int _sys_result; { register int _a1 asm("a1"); register int _a4 asm("a4") = (int)(64 / 8); register int _a3 asm("a3") = (int)(oact ? (&koact) : ((void *)0)); register int _a2 asm("a2") = (int)(act ? (&kact) : ((void *)0)); _a1 = (int) (sig); asm volatile ("swi %1 @ syscall " "rt_sigaction": "=r" (_a1): "i"(((0x900000 + 174))), "r"(_a1), "r"(_a2), "r"(_a3), "r"(_a4):"a1", "memory"); _sys_result = _a1; } (int) _sys_result; }); if (__builtin_expect(((unsigned int) (_sys_result) >= 0xfffff001u), 0)) { ((*__errno_location()) = ((-(_sys_result)))); _sys_result = (unsigned int) -1;} (int) _sys_result;}); return result; } _EOF_ arm-unknown-linux-gnu-gcc bug.c -- snip --
next prev parent reply other threads:[~2003-06-08 9:39 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-06-05 18:58 [Bug c/11103] New: " mdb@gnu.org 2003-06-08 5:51 ` [Bug inline-asm/11103] [3.3/3.4 regression] " dhazeghi@yahoo.com 2003-06-09 14:03 ` Richard Earnshaw 2003-06-15 23:17 ` Hans-Peter Nilsson 2003-06-08 9:39 ` dank@kegel.com [this message] 2003-06-11 15:38 ` dhazeghi@yahoo.com 2003-06-11 15:53 ` dank@kegel.com 2003-06-15 14:47 ` dank@kegel.com
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