From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1035) id 02B143857803; Thu, 20 Jan 2022 11:29:53 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 02B143857803 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Richard Earnshaw To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-6767] arm: Add test for AES erratum mitigation X-Act-Checkin: gcc X-Git-Author: Richard Earnshaw X-Git-Refname: refs/heads/master X-Git-Oldrev: 997070498b0d713ecfb384dc12d1e68ebdbee5bd X-Git-Newrev: 9b42782366b705d9ecd24020ab35fe7eee045c4e Message-Id: <20220120112953.02B143857803@sourceware.org> Date: Thu, 20 Jan 2022 11:29:53 +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, 20 Jan 2022 11:29:53 -0000 https://gcc.gnu.org/g:9b42782366b705d9ecd24020ab35fe7eee045c4e commit r12-6767-g9b42782366b705d9ecd24020ab35fe7eee045c4e Author: Richard Earnshaw Date: Mon Jan 17 13:57:37 2022 +0000 arm: Add test for AES erratum mitigation 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. Diff: --- .../gcc.target/arm/crypto-vaese-erratum1.c | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) 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} } */