From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1851) id 1944A385842D; Tue, 14 Dec 2021 13:14:00 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1944A385842D Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Martin Liska To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/users/marxin/heads/PR103661-fix-__builtin_cpu_supports-on-i386)] i386: Fix emissing of __builtin_cpu_supports. X-Act-Checkin: gcc X-Git-Author: Martin Liska X-Git-Refname: refs/users/marxin/heads/PR103661-fix-__builtin_cpu_supports-on-i386 X-Git-Oldrev: 9eb8785b3fa3a180bd216cf68b53f1621628efc6 X-Git-Newrev: b0ced7392f7407182f93d629f81e04e2226c161a Message-Id: <20211214131400.1944A385842D@sourceware.org> Date: Tue, 14 Dec 2021 13:14:00 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Dec 2021 13:14:00 -0000 https://gcc.gnu.org/g:b0ced7392f7407182f93d629f81e04e2226c161a commit b0ced7392f7407182f93d629f81e04e2226c161a Author: Martin Liska Date: Mon Dec 13 15:34:30 2021 +0100 i386: Fix emissing of __builtin_cpu_supports. PR target/103661 gcc/ChangeLog: * config/i386/i386-builtins.c (fold_builtin_cpu): Compare to 0 as API expects that non-zero values are returned (do that it mask == 31). For "avx512vbmi2" argument, we return now 1 << 31, which is a negative integer value. Diff: --- gcc/config/i386/i386-builtins.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/gcc/config/i386/i386-builtins.c b/gcc/config/i386/i386-builtins.c index 0fb14b55712..bca244fc011 100644 --- a/gcc/config/i386/i386-builtins.c +++ b/gcc/config/i386/i386-builtins.c @@ -2353,7 +2353,11 @@ fold_builtin_cpu (tree fndecl, tree *args) /* Return __cpu_model.__cpu_features[0] & field_val */ final = build2 (BIT_AND_EXPR, unsigned_type_node, array_elt, build_int_cstu (unsigned_type_node, field_val)); - return build1 (CONVERT_EXPR, integer_type_node, final); + if (isa_names_table[i].feature == 31) + return build2 (NE_EXPR, integer_type_node, final, + build_int_cst (unsigned_type_node, 0)); + else + return build1 (CONVERT_EXPR, integer_type_node, final); } gcc_unreachable (); }