From patchwork Wed Jul 8 11:41:18 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "H.J. Lu" X-Patchwork-Id: 492862 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 95D9A1402C9 for ; Wed, 8 Jul 2015 21:41:28 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.b=eEHYq9eZ; dkim-atps=neutral DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:cc:subject:message-id:reply-to:mime-version :content-type; q=dns; s=default; b=KUeQLgPVfGiiEJPzPuttZxndlgnII ll4ZT4AiO6hBoTHn9nAFiDUA4v8sHaxAC/OX51n40va3S2kgh6ZE+3hvFM65132J kPM4va574CDh4g3EGge4JBu107oltAWOYR7bXI+FSzPlqXuuzsrf5JR0l2KtzgfI i9C2dWcsAkF7Zw= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:cc:subject:message-id:reply-to:mime-version :content-type; s=default; bh=q2EqstStncki3Hi5BHJ7xEnMUSQ=; b=eEH Yq9eZTuvxVueXn+H5FCQCytBC8OcgB+Ms38sxoV2lE7K4ZfEQHn54IiRMTsqJZWj txE49RNE71lP7NsZ2qPdxNen4zvbx5nfmHaAqEJ/M38bltNnF8zxy4WA6LoL4RET 5+fYxDSUuoP+ZjOBZQngi0RJCqgmS6FDEVGrtA5g= Received: (qmail 110923 invoked by alias); 8 Jul 2015 11:41:21 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org Received: (qmail 110908 invoked by uid 89); 8 Jul 2015 11:41:21 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.6 required=5.0 tests=AWL, BAYES_00, KAM_LAZY_DOMAIN_SECURITY, NO_DNS_FOR_FROM, RP_MATCHES_RCVD autolearn=no version=3.3.2 X-HELO: mga01.intel.com Received: from mga01.intel.com (HELO mga01.intel.com) (192.55.52.88) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 08 Jul 2015 11:41:20 +0000 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 08 Jul 2015 04:41:18 -0700 X-ExtLoop1: 1 Received: from gnu-6.sc.intel.com ([172.25.70.52]) by fmsmga002.fm.intel.com with ESMTP; 08 Jul 2015 04:41:19 -0700 Received: by gnu-6.sc.intel.com (Postfix, from userid 1000) id 65CB8C41EC; Wed, 8 Jul 2015 04:41:18 -0700 (PDT) Date: Wed, 8 Jul 2015 04:41:18 -0700 From: "H.J. Lu" To: gcc-patches@gcc.gnu.org Cc: Uros Bizjak Subject: [PATCH] PR target/66806: Don't pass/return vectors in registers for IAMCU Message-ID: <20150708114118.GA22923@intel.com> Reply-To: "H.J. Lu" MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) Vectors should be passed in memory for IAMCU. OK for trunk? H.J. --- gcc/ PR target/66806 * config/i386/i386.c (function_arg_advance_32): Don't pass vectors in registers for IAMCU. (function_arg_32): Likewise. (ix86_return_in_memory): Don't return vectors in registers for IAMCU. gcc/testsuite/ PR target/66806 * gcc.target/i386/pr66806.c: New test. --- gcc/config/i386/i386.c | 6 +++--- gcc/testsuite/gcc.target/i386/pr66806.c | 23 +++++++++++++++++++++++ 2 files changed, 26 insertions(+), 3 deletions(-) create mode 100644 gcc/testsuite/gcc.target/i386/pr66806.c diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 112eb1c..ca192a2 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -7552,7 +7552,7 @@ function_arg_advance_32 (CUMULATIVE_ARGS *cum, machine_mode mode, { /* Intel MCU psABI passes scalars and aggregates no larger than 8 bytes in registers. */ - if (bytes <= 8) + if (!VECTOR_MODE_P (mode) && bytes <= 8) goto pass_in_reg; return res; } @@ -7809,7 +7809,7 @@ function_arg_32 (CUMULATIVE_ARGS *cum, machine_mode mode, { /* Intel MCU psABI passes scalars and aggregates no larger than 8 bytes in registers. */ - if (bytes <= 8) + if (!VECTOR_MODE_P (mode) && bytes <= 8) goto pass_in_reg; return NULL_RTX; } @@ -8679,7 +8679,7 @@ ix86_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED) /* Intel MCU psABI returns scalars and aggregates no larger than 8 bytes in registers. */ if (TARGET_IAMCU) - return size > 8; + return VECTOR_MODE_P (mode) || size > 8; if (mode == BLKmode) return true; diff --git a/gcc/testsuite/gcc.target/i386/pr66806.c b/gcc/testsuite/gcc.target/i386/pr66806.c new file mode 100644 index 0000000..211a04f --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr66806.c @@ -0,0 +1,23 @@ +/* { dg-do compile { target ia32 } } */ +/* { dg-options "-miamcu -mno-sse -mno-mmx -miamcu -Wno-psabi" } */ + +typedef unsigned int V2SImode __attribute__((vector_size(8))); +extern V2SImode data_V2SImode; + +V2SImode +r_V2SImode (V2SImode x) +{ + return x; +} + +void +p_V2SImode (V2SImode x) +{ + data_V2SImode = x; +} + +void +s_V2SImode (void) +{ + p_V2SImode (data_V2SImode); +}