From nobody Thu Nov 7 13:26:00 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1637302657949553.3959650579901; Thu, 18 Nov 2021 22:17:37 -0800 (PST) Received: from localhost ([::1]:46236 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mnxDL-0006d2-W4 for importer@patchew.org; Fri, 19 Nov 2021 01:17:36 -0500 Received: from eggs.gnu.org ([209.51.188.92]:46192) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mnx9c-0003qV-Gy for qemu-devel@nongnu.org; Fri, 19 Nov 2021 01:13:44 -0500 Received: from mail.loongson.cn ([114.242.206.163]:46590 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mnx9Y-0004X8-U1 for qemu-devel@nongnu.org; Fri, 19 Nov 2021 01:13:44 -0500 Received: from kvm-dev1.localdomain (unknown [10.2.5.134]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dxj8+KQJdhSG0AAA--.1952S7; Fri, 19 Nov 2021 14:13:36 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Subject: [PATCH v11 05/26] target/loongarch: Add fixed point shift instruction translation Date: Fri, 19 Nov 2021 14:13:09 +0800 Message-Id: <1637302410-24632-6-git-send-email-gaosong@loongson.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1637302410-24632-1-git-send-email-gaosong@loongson.cn> References: <1637302410-24632-1-git-send-email-gaosong@loongson.cn> X-CM-TRANSID: AQAAf9Dxj8+KQJdhSG0AAA--.1952S7 X-Coremail-Antispam: 1UD129KBjvJXoW3Wry3Cr4rKFWUGF17Aw47Jwb_yoWxCr1Dpr 1UCryUGr48XrnxAr1Svw45uFyDXwnrCa1jg3yftr15Ar4UXF1DJr4qk39I9rW7twn3XrW8 ZFZ5urWjgryrJaUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnUUvcSsGvfC2KfnxnUUI43ZEXa7xR_UUUUUUUUU== X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@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 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: , Cc: Xiaojuan Yang , richard.henderson@linaro.org, laurent@vivier.eu Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1637302660504100001 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This includes: - SLL.W, SRL.W, SRA.W, ROTR.W - SLLI.W, SRLI.W, SRAI.W, ROTRI.W - SLL.D, SRL.D, SRA.D, ROTR.D - SLLI.D, SRLI.D, SRAI.D, ROTRI.D Signed-off-by: Song Gao Signed-off-by: Xiaojuan Yang Reviewed-by: Richard Henderson --- target/loongarch/insn_trans/trans_shift.c.inc | 128 ++++++++++++++++++++++= ++++ target/loongarch/insns.decode | 22 +++++ target/loongarch/translate.c | 1 + 3 files changed, 151 insertions(+) create mode 100644 target/loongarch/insn_trans/trans_shift.c.inc diff --git a/target/loongarch/insn_trans/trans_shift.c.inc b/target/loongar= ch/insn_trans/trans_shift.c.inc new file mode 100644 index 0000000..ea2a612 --- /dev/null +++ b/target/loongarch/insn_trans/trans_shift.c.inc @@ -0,0 +1,128 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (c) 2021 Loongson Technology Corporation Limited + */ + +static bool gen_shift(DisasContext *ctx, arg_rr_i *a, + void(*func)(TCGv, TCGv, TCGv)) +{ + TCGv dest =3D gpr_dst(ctx, a->rd, EXT_SIGN); + TCGv src1 =3D gpr_src(ctx, a->rj, EXT_ZERO); + TCGv src2 =3D tcg_constant_tl(a->imm); + + func(dest, src1, src2); + gen_set_gpr(a->rd, dest, EXT_SIGN); + + return true; +} + +static bool gen_shift_i(DisasContext *ctx, arg_rr_i *a, + void(*func)(TCGv, TCGv, target_long)) +{ + TCGv dest =3D gpr_dst(ctx, a->rd, EXT_NONE); + TCGv src1 =3D gpr_src(ctx, a->rj, EXT_NONE); + + func(dest, src1, a->imm); + + return true; +} + +static void gen_sll_w(TCGv dest, TCGv src1, TCGv src2) +{ + TCGv t0 =3D tcg_temp_new(); + tcg_gen_andi_tl(t0, src2, 0x1f); + tcg_gen_shl_tl(dest, src1, t0); + tcg_temp_free(t0); +} + +static void gen_srl_w(TCGv dest, TCGv src1, TCGv src2) +{ + TCGv t0 =3D tcg_temp_new(); + tcg_gen_andi_tl(t0, src2, 0x1f); + tcg_gen_shr_tl(dest, src1, t0); + tcg_temp_free(t0); +} + +static void gen_sra_w(TCGv dest, TCGv src1, TCGv src2) +{ + TCGv t0 =3D tcg_temp_new(); + tcg_gen_andi_tl(t0, src2, 0x1f); + tcg_gen_sar_tl(dest, src1, t0); + tcg_temp_free(t0); +} + +static void gen_sll_d(TCGv dest, TCGv src1, TCGv src2) +{ + TCGv t0 =3D tcg_temp_new(); + tcg_gen_andi_tl(t0, src2, 0x3f); + tcg_gen_shl_tl(dest, src1, t0); + tcg_temp_free(t0); +} + +static void gen_srl_d(TCGv dest, TCGv src1, TCGv src2) +{ + TCGv t0 =3D tcg_temp_new(); + tcg_gen_andi_tl(t0, src2, 0x3f); + tcg_gen_shr_tl(dest, src1, t0); + tcg_temp_free(t0); +} + +static void gen_sra_d(TCGv dest, TCGv src1, TCGv src2) +{ + TCGv t0 =3D tcg_temp_new(); + tcg_gen_andi_tl(t0, src2, 0x3f); + tcg_gen_sar_tl(dest, src1, t0); + tcg_temp_free(t0); +} + +static void gen_rotr_w(TCGv dest, TCGv src1, TCGv src2) +{ + TCGv_i32 t1 =3D tcg_temp_new_i32(); + TCGv_i32 t2 =3D tcg_temp_new_i32(); + TCGv t0 =3D tcg_temp_new(); + + tcg_gen_andi_tl(t0, src2, 0x1f); + + tcg_gen_trunc_tl_i32(t1, src1); + tcg_gen_trunc_tl_i32(t2, t0); + + tcg_gen_rotr_i32(t1, t1, t2); + tcg_gen_ext_i32_tl(dest, t1); + + tcg_temp_free_i32(t1); + tcg_temp_free_i32(t2); + tcg_temp_free(t0); +} + +static void gen_rotr_d(TCGv dest, TCGv src1, TCGv src2) +{ + TCGv t0 =3D tcg_temp_new(); + tcg_gen_andi_tl(t0, src2, 0x3f); + tcg_gen_rotr_tl(dest, src1, t0); + tcg_temp_free(t0); +} + +static bool trans_srai_w(DisasContext *ctx, arg_srai_w *a) +{ + TCGv dest =3D gpr_dst(ctx, a->rd, EXT_NONE); + TCGv src1 =3D gpr_src(ctx, a->rj, EXT_ZERO); + + tcg_gen_sextract_tl(dest, src1, a->imm, 32 - a->imm); + return true; +} + +TRANS(sll_w, gen_rrr, EXT_ZERO, EXT_NONE, EXT_SIGN, gen_sll_w) +TRANS(srl_w, gen_rrr, EXT_ZERO, EXT_NONE, EXT_SIGN, gen_srl_w) +TRANS(sra_w, gen_rrr, EXT_SIGN, EXT_NONE, EXT_SIGN, gen_sra_w) +TRANS(sll_d, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_sll_d) +TRANS(srl_d, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_srl_d) +TRANS(sra_d, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_sra_d) +TRANS(rotr_w, gen_rrr, EXT_ZERO, EXT_NONE, EXT_SIGN, gen_rotr_w) +TRANS(rotr_d, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_rotr_d) +TRANS(slli_w, gen_shift, tcg_gen_shl_tl) +TRANS(slli_d, gen_shift_i, tcg_gen_shli_tl) +TRANS(srli_w, gen_shift, tcg_gen_shr_tl) +TRANS(srli_d, gen_shift_i, tcg_gen_shri_tl) +TRANS(srai_d, gen_shift_i, tcg_gen_sari_tl) +TRANS(rotri_w, gen_shift, gen_rotr_w) +TRANS(rotri_d, gen_shift_i, tcg_gen_rotri_tl) diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode index 8579c11..673aee4 100644 --- a/target/loongarch/insns.decode +++ b/target/loongarch/insns.decode @@ -23,6 +23,8 @@ # @rrr .... ........ ..... rk:5 rj:5 rd:5 &rrr @r_i20 .... ... imm:s20 rd:5 &r_i +@rr_ui5 .... ........ ..... imm:5 rj:5 rd:5 &rr_i +@rr_ui6 .... ........ .... imm:6 rj:5 rd:5 &rr_i @rr_i12 .... ...... imm:s12 rj:5 rd:5 &rr_i @rr_ui12 .... ...... imm:12 rj:5 rd:5 &rr_i @rr_i16 .... .. imm:s16 rj:5 rd:5 &rr_i @@ -77,3 +79,23 @@ addu16i_d 0001 00 ................ ..... ..... = @rr_i16 andi 0000 001101 ............ ..... ..... @rr_ui12 ori 0000 001110 ............ ..... ..... @rr_ui12 xori 0000 001111 ............ ..... ..... @rr_ui12 + +# +# Fixed point shift operation instruction +# +sll_w 0000 00000001 01110 ..... ..... ..... @rrr +srl_w 0000 00000001 01111 ..... ..... ..... @rrr +sra_w 0000 00000001 10000 ..... ..... ..... @rrr +sll_d 0000 00000001 10001 ..... ..... ..... @rrr +srl_d 0000 00000001 10010 ..... ..... ..... @rrr +sra_d 0000 00000001 10011 ..... ..... ..... @rrr +rotr_w 0000 00000001 10110 ..... ..... ..... @rrr +rotr_d 0000 00000001 10111 ..... ..... ..... @rrr +slli_w 0000 00000100 00001 ..... ..... ..... @rr_ui5 +slli_d 0000 00000100 0001 ...... ..... ..... @rr_ui6 +srli_w 0000 00000100 01001 ..... ..... ..... @rr_ui5 +srli_d 0000 00000100 0101 ...... ..... ..... @rr_ui6 +srai_w 0000 00000100 10001 ..... ..... ..... @rr_ui5 +srai_d 0000 00000100 1001 ...... ..... ..... @rr_ui6 +rotri_w 0000 00000100 11001 ..... ..... ..... @rr_ui5 +rotri_d 0000 00000100 1101 ...... ..... ..... @rr_ui6 diff --git a/target/loongarch/translate.c b/target/loongarch/translate.c index 3de18ef..f90b63a 100644 --- a/target/loongarch/translate.c +++ b/target/loongarch/translate.c @@ -146,6 +146,7 @@ static void gen_set_gpr(int reg_num, TCGv t, DisasExten= d dst_ext) =20 #include "decode-insns.c.inc" #include "insn_trans/trans_arith.c.inc" +#include "insn_trans/trans_shift.c.inc" =20 static void loongarch_tr_translate_insn(DisasContextBase *dcbase, CPUState= *cs) { --=20 1.8.3.1