From patchwork Thu Jan 20 11:27:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Earnshaw X-Patchwork-Id: 50276 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id D02873857809 for ; Thu, 20 Jan 2022 11:35:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D02873857809 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1642678536; bh=KZiZu4C9NsX3Fra576dyc6S+9/HuYTsQ3qxURbVEs3A=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=fChIr9o//hC4Z2IhbhfbAjjuM6gWu/b5Ky2XfTnalasOduBt9Zjlz3hdOOng+PVQa qGm0U54zOQa0QE4Kq1Gl1VLy1pn/4/y1/rGyqiRaNPsn/I5N2lNd38r3e1vFiFUT5/ yZejfWf/FdpCOLWXvZUDNIQz8yZpuDtU8jnWkv2Q= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by sourceware.org (Postfix) with ESMTP id 4B4033857C73 for ; Thu, 20 Jan 2022 11:28:25 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 4B4033857C73 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 1CB51ED1; Thu, 20 Jan 2022 03:28:25 -0800 (PST) Received: from e126323.arm.com (unknown [10.57.36.197]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 96CF53F774; Thu, 20 Jan 2022 03:28:24 -0800 (PST) To: GCC patches Subject: [PATCH 7/7] arm: Add test for AES erratum mitigation Date: Thu, 20 Jan 2022 11:27:24 +0000 Message-Id: <20220120112724.830872-8-rearnsha@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220120112724.830872-1-rearnsha@arm.com> References: <20220120112724.830872-1-rearnsha@arm.com> MIME-Version: 1.0 X-Spam-Status: No, score=-13.7 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, KAM_SHORT, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Richard Earnshaw via Gcc-patches From: Richard Earnshaw Reply-To: Richard Earnshaw Cc: Richard Earnshaw Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" Add a testcase for the erratum mitigation. To improve coverage use -dp on the assembler output and match the pattern names (and where needed the alternative number). gcc/testsuite/ChangeLog: * gcc.target/arm/crypto-vaese-erratum1.c: New test. --- .../gcc.target/arm/crypto-vaese-erratum1.c | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 gcc/testsuite/gcc.target/arm/crypto-vaese-erratum1.c diff --git a/gcc/testsuite/gcc.target/arm/crypto-vaese-erratum1.c b/gcc/testsuite/gcc.target/arm/crypto-vaese-erratum1.c new file mode 100644 index 00000000000..3f16688a8aa --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/crypto-vaese-erratum1.c @@ -0,0 +1,28 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_crypto_ok } */ +/* { dg-options "-O2 -mfix-cortex-a57-aes-1742098 -dp" } */ +/* { dg-add-options arm_crypto } */ + +#include "arm_neon.h" + +uint8x16_t +foo (uint8x16_t v) +{ + const uint8x16_t key1 = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f}; + const uint8x16_t key2 = {0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f}; + int i; + + for (i = 0; i < 16; ++i) + { + v = vaesmcq_u8 (vaeseq_u8 (v, key1)); + v = vaesmcq_u8 (vaeseq_u8 (v, key2)); + } + return v; +} + +/* { dg-final { scan-assembler "aese.8\tq\[0-9\]+, q\[0-9\]+" } } */ +/* { dg-final { scan-assembler-times "aes_op_protect/2" 2} } */ +/* { dg-final { scan-assembler-times "aes_op_protect/0" 1} } */ +/* { dg-final { scan-assembler-times "(?:aesmc|aese_fused)_protected" 1} } */