From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2078) id 0A8693858D28; Tue, 20 Sep 2022 02:23:33 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0A8693858D28 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1663640614; bh=emeNdYev/4fFE92UodaDlpWZNLtrKyg+Xb7b8mVYmnQ=; h=From:To:Subject:Date:From; b=VjAMHTvBpGur8vs7Fq5z58AqoProlL4y0485VRZIDg6MMp/+zZ8BLgz+QR/4EyWBF EYl8+sw6diB89yQPVIsBSIp8IfUHx8WI6rojFX0KaFxHdMQVP7LEz/rblGRTJ67Ocd oG7KSXg8QH4Ogh/yUqM+ZZVng4ybRBnaqrhjoGcw= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: hongtao Liu To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-2726] Adjust issue_rate for latest Intel processors. X-Act-Checkin: gcc X-Git-Author: liuhongt X-Git-Refname: refs/heads/master X-Git-Oldrev: 78260b9a9c0bf5a4495320466e2cd1c259504905 X-Git-Newrev: 041812f584a1c82f1255bd96f3503493bd9fb127 Message-Id: <20220920022334.0A8693858D28@sourceware.org> Date: Tue, 20 Sep 2022 02:23:33 +0000 (GMT) List-Id: https://gcc.gnu.org/g:041812f584a1c82f1255bd96f3503493bd9fb127 commit r13-2726-g041812f584a1c82f1255bd96f3503493bd9fb127 Author: liuhongt Date: Tue Sep 6 11:04:40 2022 +0800 Adjust issue_rate for latest Intel processors. For Skylake based processor, decoder is 4-way. For Sunny Cove and Willow Cove, decoder is 5-way. For Golden cove, decoder is 6-way. gcc/ChangeLog: * config/i386/x86-tune-sched.cc (ix86_issue_rate): Adjust for latest Intel processors. Diff: --- gcc/config/i386/x86-tune-sched.cc | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/gcc/config/i386/x86-tune-sched.cc b/gcc/config/i386/x86-tune-sched.cc index 1ffaeef037c..e2765f81902 100644 --- a/gcc/config/i386/x86-tune-sched.cc +++ b/gcc/config/i386/x86-tune-sched.cc @@ -73,10 +73,24 @@ ix86_issue_rate (void) case PROCESSOR_SANDYBRIDGE: case PROCESSOR_HASWELL: case PROCESSOR_TREMONT: + case PROCESSOR_SKYLAKE: + case PROCESSOR_SKYLAKE_AVX512: + case PROCESSOR_CASCADELAKE: + case PROCESSOR_CANNONLAKE: case PROCESSOR_ALDERLAKE: case PROCESSOR_GENERIC: return 4; + case PROCESSOR_ICELAKE_CLIENT: + case PROCESSOR_ICELAKE_SERVER: + case PROCESSOR_TIGERLAKE: + case PROCESSOR_COOPERLAKE: + case PROCESSOR_ROCKETLAKE: + return 5; + + case PROCESSOR_SAPPHIRERAPIDS: + return 6; + default: return 1; }