From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2063) id 51D963858C2C; Thu, 24 Mar 2022 01:47:57 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 51D963858C2C MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Kewen Lin To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-7792] rs6000: Skip overload instances with NULL fntype [PR104967] X-Act-Checkin: gcc X-Git-Author: Kewen Lin X-Git-Refname: refs/heads/master X-Git-Oldrev: d1ca63a1b7d5986913b14567a4950b055a5a3f07 X-Git-Newrev: 497bde3ab92b2c292f78672db341bbb7cc1bcf1f Message-Id: <20220324014757.51D963858C2C@sourceware.org> Date: Thu, 24 Mar 2022 01:47:57 +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, 24 Mar 2022 01:47:57 -0000 https://gcc.gnu.org/g:497bde3ab92b2c292f78672db341bbb7cc1bcf1f commit r12-7792-g497bde3ab92b2c292f78672db341bbb7cc1bcf1f Author: Kewen Lin Date: Wed Mar 23 20:46:06 2022 -0500 rs6000: Skip overload instances with NULL fntype [PR104967] For some overload built-in function instance, if it requires a data type which isn't defined on the target, its fntype would be initialized as NULL. This patch is to consider this possibility in function find_instance, as shown in PR104967. PR target/104967 gcc/ChangeLog: * config/rs6000/rs6000-c.cc (find_instance): Skip instances with null function types. Diff: --- gcc/config/rs6000/rs6000-c.cc | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/gcc/config/rs6000/rs6000-c.cc b/gcc/config/rs6000/rs6000-c.cc index 2f0f4fe337d..84bb98f94fb 100644 --- a/gcc/config/rs6000/rs6000-c.cc +++ b/gcc/config/rs6000/rs6000-c.cc @@ -1686,6 +1686,10 @@ find_instance (bool *unsupported_builtin, ovlddata **instance, ovlddata *inst = *instance; gcc_assert (inst != NULL); + /* It is possible for an instance to require a data type that isn't + defined on this target, in which case inst->fntype will be NULL. */ + if (!inst->fntype) + return error_mark_node; tree fntype = rs6000_builtin_info[inst->bifid].fntype; tree parmtype0 = TREE_VALUE (TYPE_ARG_TYPES (fntype)); tree parmtype1 = TREE_VALUE (TREE_CHAIN (TYPE_ARG_TYPES (fntype)));