From patchwork Tue May 17 11:29:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaojuan Yang X-Patchwork-Id: 12852358 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 9F6EBC433F5 for ; Tue, 17 May 2022 12:19:38 +0000 (UTC) Received: from localhost ([::1]:33572 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nqwAr-0004UF-M3 for qemu-devel@archiver.kernel.org; Tue, 17 May 2022 08:19:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40406) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nqvPv-0004NP-7m for qemu-devel@nongnu.org; Tue, 17 May 2022 07:31:08 -0400 Received: from mail.loongson.cn ([114.242.206.163]:51606 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nqvPq-0001u3-SM for qemu-devel@nongnu.org; Tue, 17 May 2022 07:31:06 -0400 Received: from localhost.localdomain (unknown [10.2.5.185]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9BxcNpPh4Ni4sEZAA--.25635S16; Tue, 17 May 2022 19:30:45 +0800 (CST) From: Xiaojuan Yang To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, gaosong@loongson.cn, mark.cave-ayland@ilande.co.uk, mst@redhat.com, imammedo@redhat.com, ani@anisinha.ca Subject: [PATCH v4 14/43] target/loongarch: Add floating point load/store instruction translation Date: Tue, 17 May 2022 19:29:54 +0800 Message-Id: <20220517113023.3051143-15-yangxiaojuan@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220517113023.3051143-1-yangxiaojuan@loongson.cn> References: <20220517113023.3051143-1-yangxiaojuan@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf9BxcNpPh4Ni4sEZAA--.25635S16 X-Coremail-Antispam: 1UD129KBjvJXoW3Jw4xur1DKFy8Jw13KFyrXrb_yoW3JFW5pr 4jyr1UWr48Xr1fAr97K3y5uF1DWrn3Cay2g34Syr1IvF4rXF1DXr1kG3ya9rWUXr4kXFWr tF4UAFyjyFW5J3JanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnUUvcSsGvfC2KfnxnUUI43ZEXa7xR_UUUUUUUUU== X-CM-SenderInfo: p1dqw5xldry3tdq6z05rqj20fqof0/ Received-SPF: pass client-ip=114.242.206.163; envelope-from=yangxiaojuan@loongson.cn; helo=loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Song Gao This includes: - FLD.{S/D}, FST.{S/D} - FLDX.{S/D}, FSTX.{S/D} - FLD{GT/LE}.{S/D}, FST{GT/LE}.{S/D} Signed-off-by: Song Gao Signed-off-by: Xiaojuan Yang Reviewed-by: Richard Henderson --- .../loongarch/insn_trans/trans_fmemory.c.inc | 153 ++++++++++++++++++ target/loongarch/insns.decode | 24 +++ target/loongarch/translate.c | 1 + 3 files changed, 178 insertions(+) create mode 100644 target/loongarch/insn_trans/trans_fmemory.c.inc diff --git a/target/loongarch/insn_trans/trans_fmemory.c.inc b/target/loongarch/insn_trans/trans_fmemory.c.inc new file mode 100644 index 0000000000..74ee98f63a --- /dev/null +++ b/target/loongarch/insn_trans/trans_fmemory.c.inc @@ -0,0 +1,153 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (c) 2021 Loongson Technology Corporation Limited + */ + +static void maybe_nanbox_load(TCGv freg, MemOp mop) +{ + if ((mop & MO_SIZE) == MO_32) { + gen_nanbox_s(freg, freg); + } +} + +static bool gen_fload_i(DisasContext *ctx, arg_fr_i *a, MemOp mop) +{ + TCGv addr = gpr_src(ctx, a->rj, EXT_NONE); + TCGv temp = NULL; + + if (a->imm) { + temp = tcg_temp_new(); + tcg_gen_addi_tl(temp, addr, a->imm); + addr = temp; + } + + tcg_gen_qemu_ld_tl(cpu_fpr[a->fd], addr, ctx->mem_idx, mop); + maybe_nanbox_load(cpu_fpr[a->fd], mop); + + if (temp) { + tcg_temp_free(temp); + } + + return true; +} + +static bool gen_fstore_i(DisasContext *ctx, arg_fr_i *a, MemOp mop) +{ + TCGv addr = gpr_src(ctx, a->rj, EXT_NONE); + TCGv temp = NULL; + + if (a->imm) { + temp = tcg_temp_new(); + tcg_gen_addi_tl(temp, addr, a->imm); + addr = temp; + } + + tcg_gen_qemu_st_tl(cpu_fpr[a->fd], addr, ctx->mem_idx, mop); + + if (temp) { + tcg_temp_free(temp); + } + return true; +} + +static bool gen_floadx(DisasContext *ctx, arg_frr *a, MemOp mop) +{ + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + TCGv addr = tcg_temp_new(); + + tcg_gen_add_tl(addr, src1, src2); + tcg_gen_qemu_ld_tl(cpu_fpr[a->fd], addr, ctx->mem_idx, mop); + maybe_nanbox_load(cpu_fpr[a->fd], mop); + tcg_temp_free(addr); + + return true; +} + +static bool gen_fstorex(DisasContext *ctx, arg_frr *a, MemOp mop) +{ + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + TCGv addr = tcg_temp_new(); + + tcg_gen_add_tl(addr, src1, src2); + tcg_gen_qemu_st_tl(cpu_fpr[a->fd], addr, ctx->mem_idx, mop); + tcg_temp_free(addr); + + return true; +} + +static bool gen_fload_gt(DisasContext *ctx, arg_frr *a, MemOp mop) +{ + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + TCGv addr = tcg_temp_new(); + + gen_helper_asrtgt_d(cpu_env, src1, src2); + tcg_gen_add_tl(addr, src1, src2); + tcg_gen_qemu_ld_tl(cpu_fpr[a->fd], addr, ctx->mem_idx, mop); + maybe_nanbox_load(cpu_fpr[a->fd], mop); + tcg_temp_free(addr); + + return true; +} + +static bool gen_fstore_gt(DisasContext *ctx, arg_frr *a, MemOp mop) +{ + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + TCGv addr = tcg_temp_new(); + + gen_helper_asrtgt_d(cpu_env, src1, src2); + tcg_gen_add_tl(addr, src1, src2); + tcg_gen_qemu_st_tl(cpu_fpr[a->fd], addr, ctx->mem_idx, mop); + tcg_temp_free(addr); + + return true; +} + +static bool gen_fload_le(DisasContext *ctx, arg_frr *a, MemOp mop) +{ + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + TCGv addr = tcg_temp_new(); + + gen_helper_asrtle_d(cpu_env, src1, src2); + tcg_gen_add_tl(addr, src1, src2); + tcg_gen_qemu_ld_tl(cpu_fpr[a->fd], addr, ctx->mem_idx, mop); + maybe_nanbox_load(cpu_fpr[a->fd], mop); + tcg_temp_free(addr); + + return true; +} + +static bool gen_fstore_le(DisasContext *ctx, arg_frr *a, MemOp mop) +{ + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + TCGv addr = tcg_temp_new(); + + gen_helper_asrtle_d(cpu_env, src1, src2); + tcg_gen_add_tl(addr, src1, src2); + tcg_gen_qemu_st_tl(cpu_fpr[a->fd], addr, ctx->mem_idx, mop); + tcg_temp_free(addr); + + return true; +} + +TRANS(fld_s, gen_fload_i, MO_TEUL) +TRANS(fst_s, gen_fstore_i, MO_TEUL) +TRANS(fld_d, gen_fload_i, MO_TEUQ) +TRANS(fst_d, gen_fstore_i, MO_TEUQ) +TRANS(fldx_s, gen_floadx, MO_TEUL) +TRANS(fldx_d, gen_floadx, MO_TEUQ) +TRANS(fstx_s, gen_fstorex, MO_TEUL) +TRANS(fstx_d, gen_fstorex, MO_TEUQ) +TRANS(fldgt_s, gen_fload_gt, MO_TEUL) +TRANS(fldgt_d, gen_fload_gt, MO_TEUQ) +TRANS(fldle_s, gen_fload_le, MO_TEUL) +TRANS(fldle_d, gen_fload_le, MO_TEUQ) +TRANS(fstgt_s, gen_fstore_gt, MO_TEUL) +TRANS(fstgt_d, gen_fstore_gt, MO_TEUQ) +TRANS(fstle_s, gen_fstore_le, MO_TEUL) +TRANS(fstle_d, gen_fstore_le, MO_TEUQ) diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode index c62a4f6dcd..8f286e7233 100644 --- a/target/loongarch/insns.decode +++ b/target/loongarch/insns.decode @@ -36,6 +36,8 @@ &fc fd cj &cr cd rj &rc rd cj +&frr fd rj rk +&fr_i fd rj imm # # Formats @@ -70,6 +72,8 @@ @fc .... ........ ..... ..... .. cj:3 fd:5 &fc @cr .... ........ ..... ..... rj:5 .. cd:3 &cr @rc .... ........ ..... ..... .. cj:3 rd:5 &rc +@frr .... ........ ..... rk:5 rj:5 fd:5 &frr +@fr_i12 .... ...... imm:s12 rj:5 fd:5 &fr_i # # Fixed point arithmetic operation instruction @@ -385,3 +389,23 @@ movfr2cf 0000 00010001 01001 10100 ..... 00 ... @cf movcf2fr 0000 00010001 01001 10101 00 ... ..... @fc movgr2cf 0000 00010001 01001 10110 ..... 00 ... @cr movcf2gr 0000 00010001 01001 10111 00 ... ..... @rc + +# +# Floating point load/store instruction +# +fld_s 0010 101100 ............ ..... ..... @fr_i12 +fst_s 0010 101101 ............ ..... ..... @fr_i12 +fld_d 0010 101110 ............ ..... ..... @fr_i12 +fst_d 0010 101111 ............ ..... ..... @fr_i12 +fldx_s 0011 10000011 00000 ..... ..... ..... @frr +fldx_d 0011 10000011 01000 ..... ..... ..... @frr +fstx_s 0011 10000011 10000 ..... ..... ..... @frr +fstx_d 0011 10000011 11000 ..... ..... ..... @frr +fldgt_s 0011 10000111 01000 ..... ..... ..... @frr +fldgt_d 0011 10000111 01001 ..... ..... ..... @frr +fldle_s 0011 10000111 01010 ..... ..... ..... @frr +fldle_d 0011 10000111 01011 ..... ..... ..... @frr +fstgt_s 0011 10000111 01100 ..... ..... ..... @frr +fstgt_d 0011 10000111 01101 ..... ..... ..... @frr +fstle_s 0011 10000111 01110 ..... ..... ..... @frr +fstle_d 0011 10000111 01111 ..... ..... ..... @frr diff --git a/target/loongarch/translate.c b/target/loongarch/translate.c index 09754fb14d..6a3fffdbe0 100644 --- a/target/loongarch/translate.c +++ b/target/loongarch/translate.c @@ -170,6 +170,7 @@ static void gen_set_gpr(int reg_num, TCGv t, DisasExtend dst_ext) #include "insn_trans/trans_fcmp.c.inc" #include "insn_trans/trans_fcnv.c.inc" #include "insn_trans/trans_fmov.c.inc" +#include "insn_trans/trans_fmemory.c.inc" static void loongarch_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) {