From nobody Wed Feb 11 02:14:13 2026 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 1687254373298771.8663288940326; Tue, 20 Jun 2023 02:46:13 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qBXpV-0007YB-Me; Tue, 20 Jun 2023 05:39:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qBXpF-0007Dv-Kd for qemu-devel@nongnu.org; Tue, 20 Jun 2023 05:39:03 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qBXpB-0006QC-KG for qemu-devel@nongnu.org; Tue, 20 Jun 2023 05:39:01 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8AxGuqjc5Fk6CUHAA--.14776S3; Tue, 20 Jun 2023 17:38:43 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxduSGc5FkzIQhAA--.28394S47; Tue, 20 Jun 2023 17:38:43 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org Subject: [PATCH v1 45/46] target/loongarch: Implement xvld xvst Date: Tue, 20 Jun 2023 17:38:13 +0800 Message-Id: <20230620093814.123650-46-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230620093814.123650-1-gaosong@loongson.cn> References: <20230620093814.123650-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf8BxduSGc5FkzIQhAA--.28394S47 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== 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=mail.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_NONE=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1687254375459100001 Content-Type: text/plain; charset="utf-8" This patch includes: - XVLD[X], XVST[X]; - XVLDREPL.{B/H/W/D}; - XVSTELM.{B/H/W/D}. Signed-off-by: Song Gao --- target/loongarch/disas.c | 24 +++++ target/loongarch/helper.h | 3 + target/loongarch/insn_trans/trans_lasx.c.inc | 97 ++++++++++++++++++++ target/loongarch/insns.decode | 25 +++++ target/loongarch/lasx_helper.c | 59 ++++++++++++ 5 files changed, 208 insertions(+) diff --git a/target/loongarch/disas.c b/target/loongarch/disas.c index 9af1c95641..4403669047 100644 --- a/target/loongarch/disas.c +++ b/target/loongarch/disas.c @@ -1753,6 +1753,16 @@ static void output_xxr(DisasContext *ctx, arg_xxr *a= , const char *mnemonic) output(ctx, mnemonic, "x%d, x%d, r%d", a->xd, a->xj, a->rk); } =20 +static void output_xrr(DisasContext *ctx, arg_xrr *a, const char *mnemonic) +{ + output(ctx, mnemonic, "x%d, r%d, r%d", a->xd, a->rj, a->rk); +} + +static void output_xr_ii(DisasContext *ctx, arg_xr_ii *a, const char *mnem= onic) +{ + output(ctx, mnemonic, "x%d, r%d, 0x%x, 0x%x", a->xd, a->rj, a->imm, a-= >imm2); +} + INSN_LASX(xvadd_b, xxx) INSN_LASX(xvadd_h, xxx) INSN_LASX(xvadd_w, xxx) @@ -2595,3 +2605,17 @@ INSN_LASX(xvextrins_d, xx_i) INSN_LASX(xvextrins_w, xx_i) INSN_LASX(xvextrins_h, xx_i) INSN_LASX(xvextrins_b, xx_i) + +INSN_LASX(xvld, xr_i) +INSN_LASX(xvst, xr_i) +INSN_LASX(xvldx, xrr) +INSN_LASX(xvstx, xrr) + +INSN_LASX(xvldrepl_d, xr_i) +INSN_LASX(xvldrepl_w, xr_i) +INSN_LASX(xvldrepl_h, xr_i) +INSN_LASX(xvldrepl_b, xr_i) +INSN_LASX(xvstelm_d, xr_ii) +INSN_LASX(xvstelm_w, xr_ii) +INSN_LASX(xvstelm_h, xr_ii) +INSN_LASX(xvstelm_b, xr_ii) diff --git a/target/loongarch/helper.h b/target/loongarch/helper.h index 1058a7de75..adeb181407 100644 --- a/target/loongarch/helper.h +++ b/target/loongarch/helper.h @@ -1285,3 +1285,6 @@ DEF_HELPER_4(xvextrins_d, void, env, i32, i32, i32) DEF_HELPER_4(xvextrins_w, void, env, i32, i32, i32) DEF_HELPER_4(xvextrins_h, void, env, i32, i32, i32) DEF_HELPER_4(xvextrins_b, void, env, i32, i32, i32) + +DEF_HELPER_3(xvld_b, void, env, i32, tl) +DEF_HELPER_3(xvst_b, void, env, i32, tl) diff --git a/target/loongarch/insn_trans/trans_lasx.c.inc b/target/loongarc= h/insn_trans/trans_lasx.c.inc index 1344f75113..761f227c76 100644 --- a/target/loongarch/insn_trans/trans_lasx.c.inc +++ b/target/loongarch/insn_trans/trans_lasx.c.inc @@ -3104,3 +3104,100 @@ TRANS(xvextrins_b, gen_xx_i, gen_helper_xvextrins_b) TRANS(xvextrins_h, gen_xx_i, gen_helper_xvextrins_h) TRANS(xvextrins_w, gen_xx_i, gen_helper_xvextrins_w) TRANS(xvextrins_d, gen_xx_i, gen_helper_xvextrins_d) + +static bool gen_lasx_memory(DisasContext *ctx, arg_xr_i * a, + void (*func)(TCGv_ptr, TCGv_i32, TCGv)) +{ + TCGv_i32 xd =3D tcg_constant_i32(a->xd); + TCGv addr =3D gpr_src(ctx, a->rj, EXT_NONE); + TCGv temp =3D NULL; + + CHECK_ASXE; + + if (a->imm) { + temp =3D tcg_temp_new(); + tcg_gen_addi_tl(temp, addr, a->imm); + addr =3D temp; + } + + func(cpu_env, xd, addr); + return true; +} + +TRANS(xvld, gen_lasx_memory, gen_helper_xvld_b) +TRANS(xvst, gen_lasx_memory, gen_helper_xvst_b) + +static bool gen_lasx_memoryx(DisasContext *ctx, arg_xrr *a, + void (*func)(TCGv_ptr, TCGv_i32, TCGv)) +{ + TCGv_i32 xd =3D tcg_constant_i32(a->xd); + TCGv src1 =3D gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 =3D gpr_src(ctx, a->rk, EXT_NONE); + TCGv addr =3D tcg_temp_new(); + + CHECK_ASXE; + + tcg_gen_add_tl(addr, src1, src2); + func(cpu_env, xd, addr); + return true; +} + +TRANS(xvldx, gen_lasx_memoryx, gen_helper_xvld_b) +TRANS(xvstx, gen_lasx_memoryx, gen_helper_xvst_b) + +#define XVLDREPL(NAME, MO) = \ +static bool trans_## NAME(DisasContext *ctx, arg_xr_i * a) = \ +{ = \ + TCGv addr, temp; = \ + TCGv_i64 val; = \ + = \ + CHECK_ASXE; = \ + = \ + addr =3D gpr_src(ctx, a->rj, EXT_NONE); = \ + val =3D tcg_temp_new_i64(); = \ + = \ + if (a->imm) { = \ + temp =3D tcg_temp_new(); = \ + tcg_gen_addi_tl(temp, addr, a->imm); = \ + addr =3D temp; = \ + } = \ + = \ + tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, MO); = \ + tcg_gen_gvec_dup_i64(MO, vec_full_offset(a->xd), 32, ctx->vl / 8, val)= ; \ + = \ + return true; = \ +} + +XVLDREPL(xvldrepl_b, MO_8) +XVLDREPL(xvldrepl_h, MO_16) +XVLDREPL(xvldrepl_w, MO_32) +XVLDREPL(xvldrepl_d, MO_64) + +#define XVSTELM(NAME, MO, E) = \ +static bool trans_## NAME(DisasContext *ctx, arg_xr_ii * a) = \ +{ = \ + TCGv addr, temp; = \ + TCGv_i64 val; = \ + = \ + CHECK_ASXE; = \ + = \ + addr =3D gpr_src(ctx, a->rj, EXT_NONE); = \ + val =3D tcg_temp_new_i64(); = \ + = \ + if (a->imm) { = \ + temp =3D tcg_temp_new(); = \ + tcg_gen_addi_tl(temp, addr, a->imm); = \ + addr =3D temp; = \ + } = \ + = \ + tcg_gen_ld_i64(val, cpu_env, = \ + offsetof(CPULoongArchState, fpr[a->xd].xreg.E(a->imm2))= ); \ + tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, MO); = \ + = \ + return true; = \ +} + +XVSTELM(xvstelm_b, MO_8, XB) +XVSTELM(xvstelm_h, MO_16, XH) +XVSTELM(xvstelm_w, MO_32, XW) +XVSTELM(xvstelm_d, MO_64, XD) diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode index 9c6a6037e9..b7940e4c23 100644 --- a/target/loongarch/insns.decode +++ b/target/loongarch/insns.decode @@ -1312,6 +1312,8 @@ vstelm_b 0011 000110 .... ........ ..... ....= . @vr_i8i4 &xr_i xd rj imm &rx_i rd xj imm &xxr xd xj rk +&xrr xd rj rk +&xr_ii xd rj imm imm2 =20 # # LASX Formats @@ -1338,6 +1340,15 @@ vstelm_b 0011 000110 .... ........ ..... ...= .. @vr_i8i4 @rx_ui3 .... ........ ..... .. imm:3 xj:5 rd:5 &rx_i @rx_ui2 .... ........ ..... ... imm:2 xj:5 rd:5 &rx_i @xxr .... ........ ..... rk:5 xj:5 xd:5 &xxr +@xr_i9 .... ........ . ......... rj:5 xd:5 &xr_i imm=3D%i9= s3 +@xr_i10 .... ........ .......... rj:5 xd:5 &xr_i imm=3D%i1= 0s2 +@xr_i11 .... ....... ........... rj:5 xd:5 &xr_i imm=3D%i1= 1s1 +@xr_i12 .... ...... imm:s12 rj:5 xd:5 &xr_i +@xr_i8i2 .... ........ imm2:2 ........ rj:5 xd:5 &xr_ii imm=3D%i8= s3 +@xr_i8i3 .... ....... imm2:3 ........ rj:5 xd:5 &xr_ii imm=3D%i8= s2 +@xr_i8i4 .... ...... imm2:4 ........ rj:5 xd:5 &xr_ii imm=3D%i8= s1 +@xr_i8i5 .... ..... imm2:5 imm:s8 rj:5 xd:5 &xr_ii +@xrr .... ........ ..... rk:5 rj:5 xd:5 &xrr =20 xvadd_b 0111 01000000 10100 ..... ..... ..... @xxx xvadd_h 0111 01000000 10101 ..... ..... ..... @xxx @@ -2099,3 +2110,17 @@ xvextrins_d 0111 01111000 00 ........ ..... ...= .. @xx_ui8 xvextrins_w 0111 01111000 01 ........ ..... ..... @xx_ui8 xvextrins_h 0111 01111000 10 ........ ..... ..... @xx_ui8 xvextrins_b 0111 01111000 11 ........ ..... ..... @xx_ui8 + +xvld 0010 110010 ............ ..... ..... @xr_i12 +xvst 0010 110011 ............ ..... ..... @xr_i12 +xvldx 0011 10000100 10000 ..... ..... ..... @xrr +xvstx 0011 10000100 11000 ..... ..... ..... @xrr + +xvldrepl_d 0011 00100001 0 ......... ..... ..... @xr_i9 +xvldrepl_w 0011 00100010 .......... ..... ..... @xr_i10 +xvldrepl_h 0011 0010010 ........... ..... ..... @xr_i11 +xvldrepl_b 0011 001010 ............ ..... ..... @xr_i12 +xvstelm_d 0011 00110001 .. ........ ..... ..... @xr_i8i2 +xvstelm_w 0011 0011001 ... ........ ..... ..... @xr_i8i3 +xvstelm_h 0011 001101 .... ........ ..... ..... @xr_i8i4 +xvstelm_b 0011 00111 ..... ........ ..... ..... @xr_i8i5 diff --git a/target/loongarch/lasx_helper.c b/target/loongarch/lasx_helper.c index a0338dfa6d..16346f218c 100644 --- a/target/loongarch/lasx_helper.c +++ b/target/loongarch/lasx_helper.c @@ -12,6 +12,9 @@ #include "fpu/softfloat.h" #include "internals.h" #include "vec.h" +#include "tcg/tcg.h" +#include "exec/cpu_ldst.h" +#include "tcg/tcg-ldst.h" =20 #define XDO_ODD_EVEN(NAME, BIT, E1, E2, DO_OP) \ void HELPER(NAME)(CPULoongArchState *env, \ @@ -3160,3 +3163,59 @@ XVEXTRINS(xvextrins_b, 8, XB, 0xf) XVEXTRINS(xvextrins_h, 16, XH, 0x7) XVEXTRINS(xvextrins_w, 32, XW, 0x3) XVEXTRINS(xvextrins_d, 64, XD, 0x1) + +void helper_xvld_b(CPULoongArchState *env, uint32_t xd, target_ulong addr) +{ + int i; + XReg *Xd =3D &(env->fpr[xd].xreg); +#if !defined(CONFIG_USER_ONLY) + MemOpIdx oi =3D make_memop_idx(MO_TE | MO_UNALN, cpu_mmu_index(env, fa= lse)); + + for (i =3D 0; i < LASX_LEN / 8; i++) { + Xd->XB(i) =3D helper_ldub_mmu(env, addr + i, oi, GETPC()); + } +#else + for (i =3D 0; i < LASX_LEN / 8; i++) { + Xd->XB(i) =3D cpu_ldub_data(env, addr + i); + } +#endif +} + +#define LASX_PAGESPAN(x) \ + ((((x) & ~TARGET_PAGE_MASK) + (LASX_LEN / 8) - 1) >=3D TARGET_PAGE= _SIZE) + +static inline void ensure_lasx_writable_pages(CPULoongArchState *env, + target_ulong addr, + int mmu_idx, + uintptr_t retaddr) +{ +#ifndef CONFIG_USER_ONLY + /* FIXME: Probe the actual accesses (pass and use a size) */ + if (unlikely(LASX_PAGESPAN(addr))) { + /* first page */ + probe_write(env, addr, 0, mmu_idx, retaddr); + /* second page */ + addr =3D (addr & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; + probe_write(env, addr, 0, mmu_idx, retaddr); + } +#endif +} + +void helper_xvst_b(CPULoongArchState *env, uint32_t xd, target_ulong addr) +{ + int i; + XReg *Xd =3D &(env->fpr[xd].xreg); + int mmu_idx =3D cpu_mmu_index(env, false); + + ensure_lasx_writable_pages(env, addr, mmu_idx, GETPC()); +#if !defined(CONFIG_USER_ONLY) + MemOpIdx oi =3D make_memop_idx(MO_TE | MO_UNALN, mmu_idx); + for (i =3D 0; i < LASX_LEN / 8; i++) { + helper_stb_mmu(env, addr + i, Xd->XB(i), oi, GETPC()); + } +#else + for (i =3D 0; i < LASX_LEN / 8; i++) { + cpu_stb_data(env, addr + i, Xd->XB(i)); + } +#endif +} --=20 2.39.1