From patchwork Mon Sep 20 21:24:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 12506375 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22974C433EF for ; Mon, 20 Sep 2021 21:32:56 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B0ECD611AF for ; Mon, 20 Sep 2021 21:32:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B0ECD611AF Authentication-Results: mail.kernel.org; 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bh=VaetORzfT4gcwXkXdZ5+gtCtM9FwNebeuLD0ecgAWZ8=; b=sQQ9qp08lsPNUO+UE6wTSMSbOw62/yiLor+PidSM/vZS7PpALNKn/vBR 71eK8Y9hJvtBL8vvAeDuy+nKdZrwNCA4yHY4LxjS6dfPD9BEB2tN28o70 gKVdJYM9k5aMRbRTq3Ii2V0gonE4qBDOo/QEvfEXeYy40wW8M1ujL41J8 I=; Received: from unknown (HELO ironmsg02-sd.qualcomm.com) ([10.53.140.142]) by alexa-out-sd-02.qualcomm.com with ESMTP; 20 Sep 2021 14:24:36 -0700 X-QCInternal: smtphost Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg02-sd.qualcomm.com with ESMTP; 20 Sep 2021 14:24:36 -0700 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id A2E761418; Mon, 20 Sep 2021 16:24:35 -0500 (CDT) From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [PATCH v3 07/30] Hexagon HVX (target/hexagon) semantics generator Date: Mon, 20 Sep 2021 16:24:02 -0500 Message-Id: <1632173065-18522-8-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1632173065-18522-1-git-send-email-tsimpson@quicinc.com> References: <1632173065-18522-1-git-send-email-tsimpson@quicinc.com> MIME-Version: 1.0 Received-SPF: pass client-ip=199.106.114.39; envelope-from=tsimpson@qualcomm.com; helo=alexa-out-sd-02.qualcomm.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ale@rev.ng, bcain@quicinc.com, tsimpson@quicinc.com, richard.henderson@linaro.org, f4bug@amsat.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add HVX support to the semantics generator Signed-off-by: Taylor Simpson Acked-by: Richard Henderson --- target/hexagon/gen_semantics.c | 33 +++++++++++++++++++++++++++++++++ target/hexagon/hex_common.py | 13 +++++++++++++ 2 files changed, 46 insertions(+) diff --git a/target/hexagon/gen_semantics.c b/target/hexagon/gen_semantics.c index c5fccec..4a2bdd7 100644 --- a/target/hexagon/gen_semantics.c +++ b/target/hexagon/gen_semantics.c @@ -44,6 +44,11 @@ int main(int argc, char *argv[]) * Q6INSN(A2_add,"Rd32=add(Rs32,Rt32)",ATTRIBS(), * "Add 32-bit registers", * { RdV=RsV+RtV;}) + * HVX instructions have the following form + * EXTINSN(V6_vinsertwr, "Vx32.w=vinsert(Rt32)", + * ATTRIBS(A_EXTENSION,A_CVI,A_CVI_VX), + * "Insert Word Scalar into Vector", + * VxV.uw[0] = RtV;) */ #define Q6INSN(TAG, BEH, ATTRIBS, DESCR, SEM) \ do { \ @@ -59,8 +64,23 @@ int main(int argc, char *argv[]) ")\n", \ #TAG, STRINGIZE(ATTRIBS)); \ } while (0); +#define EXTINSN(TAG, BEH, ATTRIBS, DESCR, SEM) \ + do { \ + fprintf(outfile, "SEMANTICS( \\\n" \ + " \"%s\", \\\n" \ + " %s, \\\n" \ + " \"\"\"%s\"\"\" \\\n" \ + ")\n", \ + #TAG, STRINGIZE(BEH), STRINGIZE(SEM)); \ + fprintf(outfile, "ATTRIBUTES( \\\n" \ + " \"%s\", \\\n" \ + " \"%s\" \\\n" \ + ")\n", \ + #TAG, STRINGIZE(ATTRIBS)); \ + } while (0); #include "imported/allidefs.def" #undef Q6INSN +#undef EXTINSN /* * Process the macro definitions @@ -83,6 +103,19 @@ int main(int argc, char *argv[]) #include "imported/macros.def" #undef DEF_MACRO +/* + * Process the macros for HVX + */ +#define DEF_MACRO(MNAME, BEH, ATTRS) \ + fprintf(outfile, "MACROATTRIB( \\\n" \ + " \"%s\", \\\n" \ + " \"\"\"%s\"\"\", \\\n" \ + " \"%s\" \\\n" \ + ")\n", \ + #MNAME, STRINGIZE(BEH), STRINGIZE(ATTRS)); +#include "imported/allext_macros.def" +#undef DEF_MACRO + fclose(outfile); return 0; } diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py index b3b5340..47fb628 100755 --- a/target/hexagon/hex_common.py +++ b/target/hexagon/hex_common.py @@ -143,6 +143,9 @@ def compute_tag_immediates(tag): ## P predicate register ## R GPR register ## M modifier register +## Q HVX predicate vector +## V HVX vector register +## O HVX new vector register ## regid can be one of the following ## d, e destination register ## dd destination register pair @@ -178,6 +181,9 @@ def is_readwrite(regid): def is_scalar_reg(regtype): return regtype in "RPC" +def is_hvx_reg(regtype): + return regtype in "VQ" + def is_old_val(regtype, regid, tag): return regtype+regid+'V' in semdict[tag] @@ -201,6 +207,13 @@ def need_ea(tag): def skip_qemu_helper(tag): return tag in overrides.keys() +def is_tmp_result(tag): + return ('A_CVI_TMP' in attribdict[tag] or + 'A_CVI_TMP_DST' in attribdict[tag]) + +def is_new_result(tag): + return ('A_CVI_NEW' in attribdict[tag]) + def imm_name(immlett): return "%siV" % immlett