From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1461) id 235A738582A0; Mon, 24 Oct 2022 16:19:54 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 235A738582A0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1666628394; bh=EIV79nPAuL+qBWwwNPJsQAtV4rhKKFJ8SNYvrXguDs4=; h=From:To:Subject:Date:From; b=fdg92jrGbmGvek0zqqAe5QZVDN0PpDyIx2q5AQFQydcqFfCoYYOwv9wiy4WrMNmj1 GAKQgaS5eHknVJMxe0i7wwK67XpQ/oIuKLnAF1B9s1wusB2f2z6ZUnD6XRFH1J43Ty ovnlR1xhm3oETZ7JDPacEFEQ4MaPY5ZJHl5B9U9s= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Andrew Stubbs To: gcc-cvs@gcc.gnu.org Subject: [gcc/devel/omp/gcc-12] amdgcn: disallow USM on gfx908 X-Act-Checkin: gcc X-Git-Author: Andrew Stubbs X-Git-Refname: refs/heads/devel/omp/gcc-12 X-Git-Oldrev: 6ec2c29dbbc19e7d2a8f991a5848e10c65c7c74c X-Git-Newrev: 0889dd6912c8550e113d8b5417fd65291316209c Message-Id: <20221024161954.235A738582A0@sourceware.org> Date: Mon, 24 Oct 2022 16:19:54 +0000 (GMT) List-Id: https://gcc.gnu.org/g:0889dd6912c8550e113d8b5417fd65291316209c commit 0889dd6912c8550e113d8b5417fd65291316209c Author: Andrew Stubbs Date: Tue Oct 18 16:22:53 2022 +0100 amdgcn: disallow USM on gfx908 It does work, but not well and only with the amdgpu.noreply=0 kernel boot option. gcc/ChangeLog: * config/gcn/gcn.cc (gcn_init_cumulative_args): Disallow gfx908. Diff: --- gcc/ChangeLog.omp | 4 ++++ gcc/config/gcn/gcn.cc | 1 + 2 files changed, 5 insertions(+) diff --git a/gcc/ChangeLog.omp b/gcc/ChangeLog.omp index 1e05594a4c6..d7b693ac830 100644 --- a/gcc/ChangeLog.omp +++ b/gcc/ChangeLog.omp @@ -1,3 +1,7 @@ +2022-10-24 Andrew Stubbs + + * config/gcn/gcn.cc (gcn_init_cumulative_args): Disallow gfx908. + 2022-10-24 Andrew Stubbs * plugin/plugin-gcn.c (HSA_AMD_SYSTEM_INFO_SVM_SUPPORTED): New. diff --git a/gcc/config/gcn/gcn.cc b/gcc/config/gcn/gcn.cc index 9c2fd4c5b8a..720c0a08a13 100644 --- a/gcc/config/gcn/gcn.cc +++ b/gcc/config/gcn/gcn.cc @@ -2905,6 +2905,7 @@ gcn_init_cumulative_args (CUMULATIVE_ARGS *cum /* Argument info to init */ , case PROCESSOR_FIJI: case PROCESSOR_VEGA10: case PROCESSOR_VEGA20: + case PROCESSOR_GFX908: error ("GPU architecture does not support Unified Shared Memory"); default: ;