Alexandre Oliva - Re: updated emutls patch (original) (raw)

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• From: Alexandre Oliva
• To: gcc-patches at gcc dot gnu dot org
• Cc: dje at watson dot ibm dot com, jakub at redhat dot com, rth at redhat dot com
• Date: Fri, 09 Feb 2007 17:27:39 -0200
• Subject: Re: updated emutls patch
• References: orps9a8on2.fsf@redhat.com

Ping? http://gcc.gnu.org/ml/gcc-patches/2007-01/msg01648.html

:ADDPATCH tls:

On Jan 19, 2007, Alexandre Oliva aoliva@redhat.com wrote:

for gcc/ChangeLog from Richard Henderson rth@redhat.com, Jakub Jelinek jakub@redhat.com, Alexandre Oliva aoliva@redhat.com

* Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
* builtin-types.def (BT_WORD): Make unsigned.
(BT_FN_VOID_PTR_WORD_WORD_PTR): New.
* builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
(BUILT_IN_EMUTLS_REGISTER_COMMON): New.
* c-decl.c (grokdeclarator): Don't error if !have_tls.
* c-parser.c (c_parser_omp_threadprivate): Likewise.
* dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
emulated tls.
* expr.c (emutls_var_address): New.
(expand_expr_real_1): Expand emulated tls.
(expand_expr_addr_expr_1): Likewise.
* libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
* output.h (emutls_finish): Declare.
* toplev.c (compile_file): Call it.
* tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
address before wrapping in CONST.
* varasm.c (emutls_htab, emutls_object_type): New.
(EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
(get_emutls_object_name, get_emutls_object_type): New.
(get_emutls_init_templ_addr, emutls_decl): New.
(emutls_common_1, emutls_finish): New.
(assemble_variable): When emulating tls, swap decls; generate
constructor for the emutls objects.
(do_assemble_alias): When emulating tls, swap decl and target name.
(default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
for emulated tls.
* varpool.c (decide_is_variable_needed): Look at force_output.
Recurse for emulated tls.
(cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
with decide_is_variable_needed.
* emutls.c: New file.
* config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
tls_object for real tls.

for gcc/cp/ChangeLog from Richard Henderson rth@redhat.com, Jakub Jelinek jakub@redhat.com

* decl.c (grokvardecl): Don't error if !have_tls.
(grokdeclarator): Likewise.
* parser.c (cp_parser_omp_threadprivate): Likewise.

for gcc/fortran/ChangeLog from Richard Henderson rth@redhat.com, Jakub Jelinek jakub@redhat.com

* f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address
and __emutls_register_common.
* openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls.
* trans-common.c (build_common_decl): Don't check have_tls.
* trans-decl.c (gfc_finish_var_decl): Likewise.
* types.def (BT_WORD, BT_FN_PTR_PTR): New.
(BT_FN_VOID_PTR_WORD_WORD_PTR): New.

for gcc/testsuite/ChangeLog from Richard Henderson rth@redhat.com

* lib/target-supports.exp (check_effective_target_tls): Redefine
to mean non-emulated tls.
* gcc.dg/tls/alias-1.c: Remove tls requirement.
* gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c,
gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c,
gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c,
gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c,
gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c,
gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise.

-- Alexandre Oliva http://www.lsd.ic.unicamp.br/~oliva/ FSF Latin America Board Member http://www.fsfla.org/ Red Hat Compiler Engineer aoliva@{redhat.com, gcc.gnu.org} Free Software Evangelist oliva@{lsd.ic.unicamp.br, gnu.org}

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