From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1851) id 1CD7B3858423; Thu, 16 Dec 2021 11:46:49 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1CD7B3858423 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Martin Liska To: gcc-cvs@gcc.gnu.org Subject: [gcc r11-9394] i386: Fix emissing of __builtin_cpu_supports. X-Act-Checkin: gcc X-Git-Author: Martin Liska X-Git-Refname: refs/heads/releases/gcc-11 X-Git-Oldrev: d6aa6322909c645db3e8e08e08ed95796c4d3f4c X-Git-Newrev: 43d67e5e75627ad1f5ba2e983a730f37547ba9b7 Message-Id: <20211216114649.1CD7B3858423@sourceware.org> Date: Thu, 16 Dec 2021 11:46:49 +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: Thu, 16 Dec 2021 11:46:49 -0000 https://gcc.gnu.org/g:43d67e5e75627ad1f5ba2e983a730f37547ba9b7 commit r11-9394-g43d67e5e75627ad1f5ba2e983a730f37547ba9b7 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. (cherry picked from commit 127c7178d5ec502d95862fd823537cbca1a0cb99) 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 128bd39816c..59575aea795 100644 --- a/gcc/config/i386/i386-builtins.c +++ b/gcc/config/i386/i386-builtins.c @@ -2236,7 +2236,11 @@ 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 == (INT_TYPE_SIZE - 1)) + 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 (); }