diff options
author | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2017-12-22 10:22:15 +0000 |
---|---|---|
committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2017-12-22 10:22:15 +0000 |
commit | 170a8bd604a4c960b8a378d50f7cc6c66cbdaf5c (patch) | |
tree | 51107593d97f5e01e7b9dfa212cf1ab21d1998f4 /gcc/c-family | |
parent | fa546f0f16fd6678616eaea1c620b1abe5b6f8b5 (diff) | |
download | gcc-170a8bd604a4c960b8a378d50f7cc6c66cbdaf5c.zip gcc-170a8bd604a4c960b8a378d50f7cc6c66cbdaf5c.tar.gz gcc-170a8bd604a4c960b8a378d50f7cc6c66cbdaf5c.tar.bz2 |
extend.texi (Loop-Specific Pragmas): Document pragma GCC unroll.
* doc/extend.texi (Loop-Specific Pragmas): Document pragma GCC unroll.
c-family/
* c-pragma.c (init_pragma): Register pragma GCC unroll.
* c-pragma.h (enum pragma_kind): Add PRAGMA_UNROLL.
c/
* c-parser.c (c_parser_while_statement): Add unroll parameter and
build ANNOTATE_EXPR if present. Add 3rd operand to ANNOTATE_EXPR.
(c_parser_do_statement): Likewise.
(c_parser_for_statement): Likewise.
(c_parser_statement_after_labels): Adjust calls to above.
(c_parse_pragma_ivdep): New static function.
(c_parser_pragma_unroll): Likewise.
(c_parser_pragma) <PRAGMA_IVDEP>: Add support for pragma Unroll.
<PRAGMA_UNROLL>: New case.
cp/
* constexpr.c (cxx_eval_constant_expression) <ANNOTATE_EXPR>: Remove
assertion on 2nd operand.
(potential_constant_expression_1): Likewise.
* cp-tree.def (RANGE_FOR_STMT): Take a 5th operand.
* cp-tree.h (RANGE_FOR_UNROLL): New macro.
(cp_convert_range_for): Adjust prototype.
(finish_while_stmt_cond): Likewise.
(finish_do_stmt): Likewise.
(finish_for_cond): Likewise.
* init.c (build_vec_init): Adjut call to finish_for_cond.
* parser.c (cp_parser_statement): Adjust call to
cp_parser_iteration_statement.
(cp_parser_for): Add unroll parameter and pass it in calls to
cp_parser_range_for and cp_parser_c_for.
(cp_parser_c_for): Add unroll parameter and pass it in call to
finish_for_cond.
(cp_parser_range_for): Add unroll parameter, set in on RANGE_FOR_STMT
and pass it in call to cp_convert_range_for.
(cp_convert_range_for): Add unroll parameter and pass it in call to
finish_for_cond.
(cp_parser_iteration_statement): Add unroll parameter and pass it in
calls to finish_while_stmt_cond, finish_do_stmt and cp_parser_for.
(cp_parser_pragma_ivdep): New static function.
(cp_parser_pragma_unroll): Likewise.
(cp_parser_pragma) <PRAGMA_IVDEP>: Add support for pragma Unroll.
<PRAGMA_UNROLL>: New case.
* pt.c (tsubst_expr) <FOR_STMT>: Adjust call to finish_for_cond.
<RANGE_FOR_STMT>: Pass unrolling factor to cp_convert_range_for.
<WHILE_STMT>: Adjust call to finish_while_stmt_cond.
<DO_STMT>: Adjust call to finish_do_stmt.
* semantics.c (finish_while_stmt_cond): Add unroll parameter and
build ANNOTATE_EXPR if present.
(finish_do_stmt): Likewise.
(finish_for_cond): Likewise.
(begin_range_for_stmt): Build RANGE_FOR_STMT with 5th operand.
fortran/
* array.c (gfc_copy_iterator): Copy unroll field.
* decl.c (directive_unroll): New global variable.
(gfc_match_gcc_unroll): New function.
* gfortran.h (gfc_iterator]): Add unroll field.
(directive_unroll): Declare:
* match.c (gfc_match_do): Use memset to initialize the iterator.
* match.h (gfc_match_gcc_unroll): New prototype.
* parse.c (decode_gcc_attribute): Match "unroll".
(parse_do_block): Set iterator's unroll.
(parse_executable): Diagnose misplaced unroll directive.
* trans-stmt.c (gfc_trans_simple_do) Annotate loop condition with
annot_expr_unroll_kind.
(gfc_trans_do): Likewise.
* gfortran.texi (GNU Fortran Compiler Directives): Split section into
subections 'ATTRIBUTES directive' and 'UNROLL directive'.
From-SVN: r255973
Diffstat (limited to 'gcc/c-family')
-rw-r--r-- | gcc/c-family/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/c-family/c-pragma.c | 4 | ||||
-rw-r--r-- | gcc/c-family/c-pragma.h | 1 |
3 files changed, 11 insertions, 0 deletions
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog index ba61fce..f4efa68 100644 --- a/gcc/c-family/ChangeLog +++ b/gcc/c-family/ChangeLog @@ -1,3 +1,9 @@ +2017-12-22 Mike Stump <mikestump@comcast.net> + Eric Botcazou <ebotcazou@adacore.com> + + * c-pragma.c (init_pragma): Register pragma GCC unroll. + * c-pragma.h (enum pragma_kind): Add PRAGMA_UNROLL. + 2017-12-22 Alexandre Oliva <aoliva@redhat.com> PR debug/83527 diff --git a/gcc/c-family/c-pragma.c b/gcc/c-family/c-pragma.c index daa9e5a..a4e9b74 100644 --- a/gcc/c-family/c-pragma.c +++ b/gcc/c-family/c-pragma.c @@ -1526,6 +1526,10 @@ init_pragma (void) cpp_register_deferred_pragma (parse_in, "GCC", "ivdep", PRAGMA_IVDEP, false, false); + if (!flag_preprocess_only) + cpp_register_deferred_pragma (parse_in, "GCC", "unroll", PRAGMA_UNROLL, + false, false); + #ifdef HANDLE_PRAGMA_PACK_WITH_EXPANSION c_register_pragma_with_expansion (0, "pack", handle_pragma_pack); #else diff --git a/gcc/c-family/c-pragma.h b/gcc/c-family/c-pragma.h index e035b3a..f55fe4f 100644 --- a/gcc/c-family/c-pragma.h +++ b/gcc/c-family/c-pragma.h @@ -69,6 +69,7 @@ enum pragma_kind { PRAGMA_GCC_PCH_PREPROCESS, PRAGMA_IVDEP, + PRAGMA_UNROLL, PRAGMA_FIRST_EXTERNAL }; |