[Bug libstdc++/81706] std::sin vectorization bug

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81706

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Oct 25 08:05:58 2017
New Revision: 254069

URL: https://gcc.gnu.org/viewcvs?rev=254069&root=gcc&view=rev
Log:
        PR libstdc++/81706
        * attribs.c (attribute_value_equal): Use omp_declare_simd_clauses_equal
        for comparison of OMP_CLAUSEs regardless of flag_openmp{,_simd}.
        (duplicate_one_attribute, copy_attributes_to_builtin): New functions.
        * attribs.h (duplicate_one_attribute, copy_attributes_to_builtin): New
        declarations.

        * c-decl.c (merge_decls): Copy "omp declare simd" attributes from
        newdecl to corresponding __builtin_ if any.

        * decl.c (duplicate_decls): Copy "omp declare simd" attributes from
        newdecl to corresponding __builtin_ if any.

        * gcc.target/i386/pr81706.c: New test.
        * g++.dg/ext/pr81706.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ext/pr81706.C
    trunk/gcc/testsuite/gcc.target/i386/pr81706.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/attribs.c
    trunk/gcc/attribs.h
    trunk/gcc/c/ChangeLog
    trunk/gcc/c/c-decl.c
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl.c
    trunk/gcc/testsuite/ChangeLog