Disable local dynamic TLS model on Solaris/x86 if as/ld cannot handle it
* configure.ac (TLS_SECTION_ASM_FLAG): Save as tls_section_flag.
(LIB_TLS_SPEC): Save as ld_tls_libs.
(HAVE_AS_IX86_TLSLDMPLT): Define as 1/0.
(HAVE_AS_IX86_TLSLDM): New test.
* configure, config.in: Regenerate.
* config/i386/i386.c (legitimize_tls_address): Fall back to
TLS_MODEL_GLOBAL_DYNAMIC on 32-bit Solaris/x86 if tool chain
cannot support TLS_MODEL_LOCAL_DYNAMIC.
* config/i386/i386.md (*tls_local_dynamic_base_32_gnu): Use if
instead of #ifdef in HAVE_AS_IX86_TLSLDMPLT test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208398 138bc75d-0d04-0410-961f-82ee72b054a4