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[Bug target/59492] [4.9 Regression] bootstrap failure on x32 when configured with --enable-libstdcxx-debug
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 13 Dec 2013 13:26:44 +0000
- Subject: [Bug target/59492] [4.9 Regression] bootstrap failure on x32 when configured with --enable-libstdcxx-debug
- Auto-submitted: auto-generated
- References: <bug-59492-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59492
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
[hjl@gnu-6 gcc]$ cat /tmp/x.cc
void
__throw_runtime_error(const char*) __attribute__((__noreturn__));
unsigned int
__attribute__ ((target("rdrnd")))
__x86_rdrand(void)
{
unsigned int retries = 100;
unsigned int val;
while (__builtin_ia32_rdrand32_step(&val) == 0)
if (--retries == 0)
__throw_runtime_error(("random_device::__x86_rdrand(void)"));
return val;
}
[hjl@gnu-6 gcc]$ ./xgcc -B./ -c -g -mx32 /tmp/x.cc -std=gnu++11 -fPIC
/tmp/ccTJs5Yu.s: Assembler messages:
/tmp/ccTJs5Yu.s: Error: cannot represent relocation type BFD_RELOC_64_PCREL in
x32 mode
/tmp/ccTJs5Yu.s: Error: cannot represent relocation type BFD_RELOC_64_PCREL in
x32 mode
[hjl@gnu-6 gcc]$