From patchwork Tue Aug 17 21:17:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 498136 Delivered-To: patch@linaro.org Received: by 2002:a17:907:2648:0:0:0:0 with SMTP id ar8csp3531178ejc; Tue, 17 Aug 2021 14:26:43 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxOdD+kZhaxzcW5mo+LsHJFgqr8QjoPV659i1/aLqzVzg9hLPTw5gqt39tE1ANRY8Ls2Jo3 X-Received: by 2002:a02:a709:: with SMTP id k9mr4716685jam.64.1629235603386; Tue, 17 Aug 2021 14:26:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1629235603; cv=none; d=google.com; s=arc-20160816; b=fRCuSLnxFyeA+4E+x86mwP9IzhhOGB7rIdMzYMauN+RumM75MjvYkBFqUBZLPC/2ZT 0tml/+q+C75MlypZDFIssW3hErbvFrZbzeOg9fd+A3jPU78hOEohz3P8NTs1b5KQEYuG U3VcKUKPBsg3aNIom2Yr4lHlJxyuMt426el0u+Xsr4Jdt2naEB9MsSKIflcFa6Foklc2 WcFKtFeRdNZobgUX8bPJSciTodA0iG4GhwV2FYbmQtfNTK2sfaTHndLlpBEFzOHD/mX9 JBbIzdlhYRMH6wfHzjuDNqPaFnFbKqhFDe8x406LxWNnu3wO0VlI7w96aAukGwUaUsdy HRjQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=F454btyDIm8FnVAzHjutQDCCpc0JrCuogth5c0NCEwU=; b=CXvB4bY8q45qQXubwKXF/hrMD+RV3x04XzDEC1Q/5euX1v88INMjzQQRTv6eURr8PU ciqu1I40Ocz1e5eqiAo01T9ZF+cVY2Dnjy/MbY7dSjkvkhjk+bpyhDSZ7zqjoWxEcgIz 2Cedwlx2KNrYQ8r+eEX/K7PS3i9IoT5VmozpljmBXzaP3DI7zAYiaDXSlRlsQZzcol8f 8kf3Gk3QNhqZNzSYzvtpvB154GQyjgS9RFSE/t6s0JZf0Mq5KhxlenzWwCHMHnaqJkad kV0fsntOkt+buPCVt6qqGKYMcw9BD1ncUY7vNDJroo5PDhq3vTI1w3xjbd50PuXtKy76 sKfg== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=aMKRePR2; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id c4si2728610iok.10.2021.08.17.14.26.43 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 17 Aug 2021 14:26:43 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=aMKRePR2; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:39382 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mG6ba-0002it-Jp for patch@linaro.org; Tue, 17 Aug 2021 17:26:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43616) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mG6Tb-0001Y7-V5 for qemu-devel@nongnu.org; Tue, 17 Aug 2021 17:18:27 -0400 Received: from mail-pl1-x62f.google.com ([2607:f8b0:4864:20::62f]:40742) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mG6TZ-0001BF-Bm for qemu-devel@nongnu.org; Tue, 17 Aug 2021 17:18:27 -0400 Received: by mail-pl1-x62f.google.com with SMTP id c4so507978plh.7 for ; Tue, 17 Aug 2021 14:18:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=F454btyDIm8FnVAzHjutQDCCpc0JrCuogth5c0NCEwU=; b=aMKRePR2rFzzTni8E9RsE1SU//nFjHidJ1DEKaauHZvuzB8T7+hjilPLK17q9mRkd+ W3VvYkXoj5xiNF6mw4pDmHzVYp6rGWvvfQDrvGxBfdhBSwMDaW8ahd58iS4OZ4KwtkJh Sni6JJeGnnIBSXDAVXDWBcijpOisJL2LuESwPcJXmuc7p+Gij0a9Zue7RLPyMQgGVu81 Z4getVFtWDhx7NBsBmTkNTaViIn+n8rDs3D1F3NSiY9EI7mJ0FT4FhiLVe3RXRExUOPQ NDc/vh6SU0b1+B4HZidqLargQc+T1LSksmfM/yyu68s7f2Mk3fCXrckNYY8IpM+J50Sg 0ZmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=F454btyDIm8FnVAzHjutQDCCpc0JrCuogth5c0NCEwU=; b=nlQ0AeSONJ5+J02LlTKT90iu6YOi6yYa3qd0Y0LTPyXJR5x7j1rvBtS2praz5hqTNm obu3torPOQ3yoc0Bcph3ZVK1QfyvG08YiU60RBjTUzLAvnWdgNLCT2dMl7rQuKgQr8dB ctWSY0YlnkpPFMW9KHyksAO1qAEqVjSG2jnS7QqZQqkqR+3YYrc4ObmvbCc2wxQEq0ju QneGEqZe0zsfhigzMHUSVc3gpYIeALGOCbzK0MBgXFlHwL9Jth2S9TrXWVhHvcqwmfxK Px9UiHrTP21AvuNk9G8HNbwueFTCb27V/RIjmCGYWfigYxZ5Hjs2CwEHjRvtjNgkH4V0 ZQrw== X-Gm-Message-State: AOAM530Ykn1mWuY0T1BR6Ih9kM/d8JI77XsIuVTLy02FJ3XQnCHVs2/q 2anygl10XXzLwrsUEKJNrOrASsXw+CMVJQ== X-Received: by 2002:a17:902:6a82:b029:12d:2431:94c1 with SMTP id n2-20020a1709026a82b029012d243194c1mr4419667plk.63.1629235103844; Tue, 17 Aug 2021 14:18:23 -0700 (PDT) Received: from localhost.localdomain ([173.197.107.15]) by smtp.gmail.com with ESMTPSA id q1sm2978637pjl.44.2021.08.17.14.18.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Aug 2021 14:18:23 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 11/21] target/riscv: Use DisasExtend in shift operations Date: Tue, 17 Aug 2021 11:17:53 -1000 Message-Id: <20210817211803.283639-12-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210817211803.283639-1-richard.henderson@linaro.org> References: <20210817211803.283639-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62f; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: Alistair.Francis@wdc.com, bin.meng@windriver.com, qemu-riscv@nongnu.org, zhiwei_liu@c-sky.com Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" These operations are greatly simplified by ctx->w, which allows us to fold gen_shiftw into gen_shift. Split gen_shifti into gen_shift_imm_{fn,tl} like we do for gen_arith_imm_{fn,tl}. Signed-off-by: Richard Henderson --- target/riscv/translate.c | 110 +++++++++----------- target/riscv/insn_trans/trans_rvb.c.inc | 129 +++++++++++------------- target/riscv/insn_trans/trans_rvi.c.inc | 88 ++++------------ 3 files changed, 125 insertions(+), 202 deletions(-) -- 2.25.1 Reviewed-by: Bin Meng diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 178d317976..75e83fb41f 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -98,6 +98,13 @@ static inline bool is_32bit(DisasContext *ctx) } #endif +/* The word size for this operation. */ +static inline int oper_len(DisasContext *ctx) +{ + return ctx->w ? 32 : TARGET_LONG_BITS; +} + + /* * RISC-V requires NaN-boxing of narrower width floating point values. * This applies when a 32-bit value is assigned to a 64-bit FP register. @@ -392,88 +399,58 @@ static bool gen_arith(DisasContext *ctx, arg_r *a, DisasExtend ext, return true; } -static bool gen_shift(DisasContext *ctx, arg_r *a, - void(*func)(TCGv, TCGv, TCGv)) +static bool gen_shift_imm_fn(DisasContext *ctx, arg_shift *a, DisasExtend ext, + void (*func)(TCGv, TCGv, target_long)) { - TCGv source1 = tcg_temp_new(); - TCGv source2 = tcg_temp_new(); + TCGv dest, src1; + int max_len = oper_len(ctx); - gen_get_gpr(ctx, source1, a->rs1); - gen_get_gpr(ctx, source2, a->rs2); - - tcg_gen_andi_tl(source2, source2, TARGET_LONG_BITS - 1); - (*func)(source1, source1, source2); - - gen_set_gpr(ctx, a->rd, source1); - tcg_temp_free(source1); - tcg_temp_free(source2); - return true; -} - -static uint32_t opcode_at(DisasContextBase *dcbase, target_ulong pc) -{ - DisasContext *ctx = container_of(dcbase, DisasContext, base); - CPUState *cpu = ctx->cs; - CPURISCVState *env = cpu->env_ptr; - - return cpu_ldl_code(env, pc); -} - -static bool gen_shifti(DisasContext *ctx, arg_shift *a, - void(*func)(TCGv, TCGv, TCGv)) -{ - if (a->shamt >= TARGET_LONG_BITS) { + if (a->shamt >= max_len) { return false; } - TCGv source1 = tcg_temp_new(); - TCGv source2 = tcg_temp_new(); + dest = dest_gpr(ctx, a->rd); + src1 = get_gpr(ctx, a->rs1, ext); - gen_get_gpr(ctx, source1, a->rs1); + func(dest, src1, a->shamt); - tcg_gen_movi_tl(source2, a->shamt); - (*func)(source1, source1, source2); - - gen_set_gpr(ctx, a->rd, source1); - tcg_temp_free(source1); - tcg_temp_free(source2); + gen_set_gpr(ctx, a->rd, dest); return true; } -static bool gen_shiftw(DisasContext *ctx, arg_r *a, - void(*func)(TCGv, TCGv, TCGv)) +static bool gen_shift_imm_tl(DisasContext *ctx, arg_shift *a, DisasExtend ext, + void (*func)(TCGv, TCGv, TCGv)) { - TCGv source1 = tcg_temp_new(); - TCGv source2 = tcg_temp_new(); + TCGv dest, src1, src2; + int max_len = oper_len(ctx); - gen_get_gpr(ctx, source1, a->rs1); - gen_get_gpr(ctx, source2, a->rs2); + if (a->shamt >= max_len) { + return false; + } - tcg_gen_andi_tl(source2, source2, 31); - (*func)(source1, source1, source2); - tcg_gen_ext32s_tl(source1, source1); + dest = dest_gpr(ctx, a->rd); + src1 = get_gpr(ctx, a->rs1, ext); + src2 = tcg_constant_tl(a->shamt); - gen_set_gpr(ctx, a->rd, source1); - tcg_temp_free(source1); - tcg_temp_free(source2); + func(dest, src1, src2); + + gen_set_gpr(ctx, a->rd, dest); return true; } -static bool gen_shiftiw(DisasContext *ctx, arg_shift *a, - void(*func)(TCGv, TCGv, TCGv)) +static bool gen_shift(DisasContext *ctx, arg_r *a, DisasExtend ext, + void (*func)(TCGv, TCGv, TCGv)) { - TCGv source1 = tcg_temp_new(); - TCGv source2 = tcg_temp_new(); + TCGv dest = dest_gpr(ctx, a->rd); + TCGv src1 = get_gpr(ctx, a->rs1, ext); + TCGv src2 = get_gpr(ctx, a->rs2, EXT_NONE); + TCGv ext2 = tcg_temp_new(); - gen_get_gpr(ctx, source1, a->rs1); - tcg_gen_movi_tl(source2, a->shamt); + tcg_gen_andi_tl(ext2, src2, oper_len(ctx) - 1); + func(dest, src1, ext2); - (*func)(source1, source1, source2); - tcg_gen_ext32s_tl(source1, source1); - - gen_set_gpr(ctx, a->rd, source1); - tcg_temp_free(source1); - tcg_temp_free(source2); + gen_set_gpr(ctx, a->rd, dest); + tcg_temp_free(ext2); return true; } @@ -489,6 +466,15 @@ static bool gen_unary(DisasContext *ctx, arg_r2 *a, DisasExtend ext, return true; } +static uint32_t opcode_at(DisasContextBase *dcbase, target_ulong pc) +{ + DisasContext *ctx = container_of(dcbase, DisasContext, base); + CPUState *cpu = ctx->cs; + CPURISCVState *env = cpu->env_ptr; + + return cpu_ldl_code(env, pc); +} + /* Include insn module translation function */ #include "insn_trans/trans_rvi.c.inc" #include "insn_trans/trans_rvm.c.inc" diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_trans/trans_rvb.c.inc index e255678fff..b97c3ca5da 100644 --- a/target/riscv/insn_trans/trans_rvb.c.inc +++ b/target/riscv/insn_trans/trans_rvb.c.inc @@ -160,13 +160,13 @@ static void gen_bset(TCGv ret, TCGv arg1, TCGv shamt) static bool trans_bset(DisasContext *ctx, arg_bset *a) { REQUIRE_EXT(ctx, RVB); - return gen_shift(ctx, a, gen_bset); + return gen_shift(ctx, a, EXT_NONE, gen_bset); } static bool trans_bseti(DisasContext *ctx, arg_bseti *a) { REQUIRE_EXT(ctx, RVB); - return gen_shifti(ctx, a, gen_bset); + return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_bset); } static void gen_bclr(TCGv ret, TCGv arg1, TCGv shamt) @@ -182,13 +182,13 @@ static void gen_bclr(TCGv ret, TCGv arg1, TCGv shamt) static bool trans_bclr(DisasContext *ctx, arg_bclr *a) { REQUIRE_EXT(ctx, RVB); - return gen_shift(ctx, a, gen_bclr); + return gen_shift(ctx, a, EXT_NONE, gen_bclr); } static bool trans_bclri(DisasContext *ctx, arg_bclri *a) { REQUIRE_EXT(ctx, RVB); - return gen_shifti(ctx, a, gen_bclr); + return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_bclr); } static void gen_binv(TCGv ret, TCGv arg1, TCGv shamt) @@ -204,13 +204,13 @@ static void gen_binv(TCGv ret, TCGv arg1, TCGv shamt) static bool trans_binv(DisasContext *ctx, arg_binv *a) { REQUIRE_EXT(ctx, RVB); - return gen_shift(ctx, a, gen_binv); + return gen_shift(ctx, a, EXT_NONE, gen_binv); } static bool trans_binvi(DisasContext *ctx, arg_binvi *a) { REQUIRE_EXT(ctx, RVB); - return gen_shifti(ctx, a, gen_binv); + return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_binv); } static void gen_bext(TCGv ret, TCGv arg1, TCGv shamt) @@ -222,13 +222,13 @@ static void gen_bext(TCGv ret, TCGv arg1, TCGv shamt) static bool trans_bext(DisasContext *ctx, arg_bext *a) { REQUIRE_EXT(ctx, RVB); - return gen_shift(ctx, a, gen_bext); + return gen_shift(ctx, a, EXT_NONE, gen_bext); } static bool trans_bexti(DisasContext *ctx, arg_bexti *a) { REQUIRE_EXT(ctx, RVB); - return gen_shifti(ctx, a, gen_bext); + return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_bext); } static void gen_slo(TCGv ret, TCGv arg1, TCGv arg2) @@ -241,13 +241,13 @@ static void gen_slo(TCGv ret, TCGv arg1, TCGv arg2) static bool trans_slo(DisasContext *ctx, arg_slo *a) { REQUIRE_EXT(ctx, RVB); - return gen_shift(ctx, a, gen_slo); + return gen_shift(ctx, a, EXT_NONE, gen_slo); } static bool trans_sloi(DisasContext *ctx, arg_sloi *a) { REQUIRE_EXT(ctx, RVB); - return gen_shifti(ctx, a, gen_slo); + return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_slo); } static void gen_sro(TCGv ret, TCGv arg1, TCGv arg2) @@ -260,82 +260,65 @@ static void gen_sro(TCGv ret, TCGv arg1, TCGv arg2) static bool trans_sro(DisasContext *ctx, arg_sro *a) { REQUIRE_EXT(ctx, RVB); - return gen_shift(ctx, a, gen_sro); + return gen_shift(ctx, a, EXT_ZERO, gen_sro); } static bool trans_sroi(DisasContext *ctx, arg_sroi *a) { REQUIRE_EXT(ctx, RVB); - return gen_shifti(ctx, a, gen_sro); + return gen_shift_imm_tl(ctx, a, EXT_ZERO, gen_sro); } static bool trans_ror(DisasContext *ctx, arg_ror *a) { REQUIRE_EXT(ctx, RVB); - return gen_shift(ctx, a, tcg_gen_rotr_tl); + return gen_shift(ctx, a, EXT_NONE, tcg_gen_rotr_tl); } static bool trans_rori(DisasContext *ctx, arg_rori *a) { REQUIRE_EXT(ctx, RVB); - return gen_shifti(ctx, a, tcg_gen_rotr_tl); + return gen_shift_imm_fn(ctx, a, EXT_NONE, tcg_gen_rotri_tl); } static bool trans_rol(DisasContext *ctx, arg_rol *a) { REQUIRE_EXT(ctx, RVB); - return gen_shift(ctx, a, tcg_gen_rotl_tl); + return gen_shift(ctx, a, EXT_NONE, tcg_gen_rotl_tl); } static bool trans_grev(DisasContext *ctx, arg_grev *a) { REQUIRE_EXT(ctx, RVB); - return gen_shift(ctx, a, gen_helper_grev); + return gen_shift(ctx, a, EXT_NONE, gen_helper_grev); } -static bool gen_grevi(DisasContext *ctx, arg_grevi *a) +static void gen_grevi(TCGv dest, TCGv src, target_long shamt) { - TCGv source1 = tcg_temp_new(); - TCGv source2; - - gen_get_gpr(ctx, source1, a->rs1); - - if (a->shamt == (TARGET_LONG_BITS - 8)) { + if (shamt == TARGET_LONG_BITS - 8) { /* rev8, byte swaps */ - tcg_gen_bswap_tl(source1, source1); + tcg_gen_bswap_tl(dest, src); } else { - source2 = tcg_temp_new(); - tcg_gen_movi_tl(source2, a->shamt); - gen_helper_grev(source1, source1, source2); - tcg_temp_free(source2); + gen_helper_grev(dest, src, tcg_constant_tl(shamt)); } - - gen_set_gpr(ctx, a->rd, source1); - tcg_temp_free(source1); - return true; } static bool trans_grevi(DisasContext *ctx, arg_grevi *a) { REQUIRE_EXT(ctx, RVB); - - if (a->shamt >= TARGET_LONG_BITS) { - return false; - } - - return gen_grevi(ctx, a); + return gen_shift_imm_fn(ctx, a, EXT_NONE, gen_grevi); } static bool trans_gorc(DisasContext *ctx, arg_gorc *a) { REQUIRE_EXT(ctx, RVB); - return gen_shift(ctx, a, gen_helper_gorc); + return gen_shift(ctx, a, EXT_ZERO, gen_helper_gorc); } static bool trans_gorci(DisasContext *ctx, arg_gorci *a) { REQUIRE_EXT(ctx, RVB); - return gen_shifti(ctx, a, gen_helper_gorc); + return gen_shift_imm_tl(ctx, a, EXT_ZERO, gen_helper_gorc); } #define GEN_SHADD(SHAMT) \ @@ -433,77 +416,88 @@ static bool trans_bsetw(DisasContext *ctx, arg_bsetw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftw(ctx, a, gen_bset); + ctx->w = true; + return gen_shift(ctx, a, EXT_NONE, gen_bset); } static bool trans_bsetiw(DisasContext *ctx, arg_bsetiw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftiw(ctx, a, gen_bset); + ctx->w = true; + return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_bset); } static bool trans_bclrw(DisasContext *ctx, arg_bclrw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftw(ctx, a, gen_bclr); + ctx->w = true; + return gen_shift(ctx, a, EXT_NONE, gen_bclr); } static bool trans_bclriw(DisasContext *ctx, arg_bclriw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftiw(ctx, a, gen_bclr); + ctx->w = true; + return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_bclr); } static bool trans_binvw(DisasContext *ctx, arg_binvw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftw(ctx, a, gen_binv); + ctx->w = true; + return gen_shift(ctx, a, EXT_NONE, gen_binv); } static bool trans_binviw(DisasContext *ctx, arg_binviw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftiw(ctx, a, gen_binv); + ctx->w = true; + return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_binv); } static bool trans_bextw(DisasContext *ctx, arg_bextw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftw(ctx, a, gen_bext); + ctx->w = true; + return gen_shift(ctx, a, EXT_NONE, gen_bext); } static bool trans_slow(DisasContext *ctx, arg_slow *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftw(ctx, a, gen_slo); + ctx->w = true; + return gen_shift(ctx, a, EXT_NONE, gen_slo); } static bool trans_sloiw(DisasContext *ctx, arg_sloiw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftiw(ctx, a, gen_slo); + ctx->w = true; + return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_slo); } static bool trans_srow(DisasContext *ctx, arg_srow *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftw(ctx, a, gen_sro); + ctx->w = true; + return gen_shift(ctx, a, EXT_ZERO, gen_sro); } static bool trans_sroiw(DisasContext *ctx, arg_sroiw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftiw(ctx, a, gen_sro); + ctx->w = true; + return gen_shift_imm_tl(ctx, a, EXT_ZERO, gen_sro); } static void gen_rorw(TCGv ret, TCGv arg1, TCGv arg2) @@ -528,14 +522,16 @@ static bool trans_rorw(DisasContext *ctx, arg_rorw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftw(ctx, a, gen_rorw); + ctx->w = true; + return gen_shift(ctx, a, EXT_NONE, gen_rorw); } static bool trans_roriw(DisasContext *ctx, arg_roriw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftiw(ctx, a, gen_rorw); + ctx->w = true; + return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_rorw); } static void gen_rolw(TCGv ret, TCGv arg1, TCGv arg2) @@ -560,47 +556,40 @@ static bool trans_rolw(DisasContext *ctx, arg_rolw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftw(ctx, a, gen_rolw); -} - -static void gen_grevw(TCGv ret, TCGv arg1, TCGv arg2) -{ - tcg_gen_ext32u_tl(arg1, arg1); - gen_helper_grev(ret, arg1, arg2); + ctx->w = true; + return gen_shift(ctx, a, EXT_NONE, gen_rolw); } static bool trans_grevw(DisasContext *ctx, arg_grevw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftw(ctx, a, gen_grevw); + ctx->w = true; + return gen_shift(ctx, a, EXT_ZERO, gen_helper_grev); } static bool trans_greviw(DisasContext *ctx, arg_greviw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftiw(ctx, a, gen_grevw); -} - -static void gen_gorcw(TCGv ret, TCGv arg1, TCGv arg2) -{ - tcg_gen_ext32u_tl(arg1, arg1); - gen_helper_gorcw(ret, arg1, arg2); + ctx->w = true; + return gen_shift_imm_tl(ctx, a, EXT_ZERO, gen_helper_grev); } static bool trans_gorcw(DisasContext *ctx, arg_gorcw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftw(ctx, a, gen_gorcw); + ctx->w = true; + return gen_shift(ctx, a, EXT_ZERO, gen_helper_gorc); } static bool trans_gorciw(DisasContext *ctx, arg_gorciw *a) { REQUIRE_64BIT(ctx); REQUIRE_EXT(ctx, RVB); - return gen_shiftiw(ctx, a, gen_gorcw); + ctx->w = true; + return gen_shift_imm_tl(ctx, a, EXT_ZERO, gen_helper_gorc); } #define GEN_SHADD_UW(SHAMT) \ diff --git a/target/riscv/insn_trans/trans_rvi.c.inc b/target/riscv/insn_trans/trans_rvi.c.inc index bd80476852..e25f64c45a 100644 --- a/target/riscv/insn_trans/trans_rvi.c.inc +++ b/target/riscv/insn_trans/trans_rvi.c.inc @@ -270,17 +270,17 @@ static bool trans_andi(DisasContext *ctx, arg_andi *a) static bool trans_slli(DisasContext *ctx, arg_slli *a) { - return gen_shifti(ctx, a, tcg_gen_shl_tl); + return gen_shift_imm_fn(ctx, a, EXT_NONE, tcg_gen_shli_tl); } static bool trans_srli(DisasContext *ctx, arg_srli *a) { - return gen_shifti(ctx, a, tcg_gen_shr_tl); + return gen_shift_imm_fn(ctx, a, EXT_ZERO, tcg_gen_shri_tl); } static bool trans_srai(DisasContext *ctx, arg_srai *a) { - return gen_shifti(ctx, a, tcg_gen_sar_tl); + return gen_shift_imm_fn(ctx, a, EXT_SIGN, tcg_gen_sari_tl); } static bool trans_add(DisasContext *ctx, arg_add *a) @@ -295,7 +295,7 @@ static bool trans_sub(DisasContext *ctx, arg_sub *a) static bool trans_sll(DisasContext *ctx, arg_sll *a) { - return gen_shift(ctx, a, &tcg_gen_shl_tl); + return gen_shift(ctx, a, EXT_NONE, tcg_gen_shl_tl); } static bool trans_slt(DisasContext *ctx, arg_slt *a) @@ -315,12 +315,12 @@ static bool trans_xor(DisasContext *ctx, arg_xor *a) static bool trans_srl(DisasContext *ctx, arg_srl *a) { - return gen_shift(ctx, a, &tcg_gen_shr_tl); + return gen_shift(ctx, a, EXT_ZERO, tcg_gen_shr_tl); } static bool trans_sra(DisasContext *ctx, arg_sra *a) { - return gen_shift(ctx, a, &tcg_gen_sar_tl); + return gen_shift(ctx, a, EXT_SIGN, tcg_gen_sar_tl); } static bool trans_or(DisasContext *ctx, arg_or *a) @@ -343,31 +343,22 @@ static bool trans_addiw(DisasContext *ctx, arg_addiw *a) static bool trans_slliw(DisasContext *ctx, arg_slliw *a) { REQUIRE_64BIT(ctx); - return gen_shiftiw(ctx, a, tcg_gen_shl_tl); + ctx->w = true; + return gen_shift_imm_fn(ctx, a, EXT_NONE, tcg_gen_shli_tl); } static bool trans_srliw(DisasContext *ctx, arg_srliw *a) { REQUIRE_64BIT(ctx); - TCGv t = tcg_temp_new(); - gen_get_gpr(ctx, t, a->rs1); - tcg_gen_extract_tl(t, t, a->shamt, 32 - a->shamt); - /* sign-extend for W instructions */ - tcg_gen_ext32s_tl(t, t); - gen_set_gpr(ctx, a->rd, t); - tcg_temp_free(t); - return true; + ctx->w = true; + return gen_shift_imm_fn(ctx, a, EXT_ZERO, tcg_gen_shri_tl); } static bool trans_sraiw(DisasContext *ctx, arg_sraiw *a) { REQUIRE_64BIT(ctx); - TCGv t = tcg_temp_new(); - gen_get_gpr(ctx, t, a->rs1); - tcg_gen_sextract_tl(t, t, a->shamt, 32 - a->shamt); - gen_set_gpr(ctx, a->rd, t); - tcg_temp_free(t); - return true; + ctx->w = true; + return gen_shift_imm_fn(ctx, a, EXT_ZERO, tcg_gen_sari_tl); } static bool trans_addw(DisasContext *ctx, arg_addw *a) @@ -387,65 +378,22 @@ static bool trans_subw(DisasContext *ctx, arg_subw *a) static bool trans_sllw(DisasContext *ctx, arg_sllw *a) { REQUIRE_64BIT(ctx); - TCGv source1 = tcg_temp_new(); - TCGv source2 = tcg_temp_new(); - - gen_get_gpr(ctx, source1, a->rs1); - gen_get_gpr(ctx, source2, a->rs2); - - tcg_gen_andi_tl(source2, source2, 0x1F); - tcg_gen_shl_tl(source1, source1, source2); - - tcg_gen_ext32s_tl(source1, source1); - gen_set_gpr(ctx, a->rd, source1); - tcg_temp_free(source1); - tcg_temp_free(source2); - return true; + ctx->w = true; + return gen_shift(ctx, a, EXT_NONE, tcg_gen_shl_tl); } static bool trans_srlw(DisasContext *ctx, arg_srlw *a) { REQUIRE_64BIT(ctx); - TCGv source1 = tcg_temp_new(); - TCGv source2 = tcg_temp_new(); - - gen_get_gpr(ctx, source1, a->rs1); - gen_get_gpr(ctx, source2, a->rs2); - - /* clear upper 32 */ - tcg_gen_ext32u_tl(source1, source1); - tcg_gen_andi_tl(source2, source2, 0x1F); - tcg_gen_shr_tl(source1, source1, source2); - - tcg_gen_ext32s_tl(source1, source1); - gen_set_gpr(ctx, a->rd, source1); - tcg_temp_free(source1); - tcg_temp_free(source2); - return true; + ctx->w = true; + return gen_shift(ctx, a, EXT_ZERO, tcg_gen_shr_tl); } static bool trans_sraw(DisasContext *ctx, arg_sraw *a) { REQUIRE_64BIT(ctx); - TCGv source1 = tcg_temp_new(); - TCGv source2 = tcg_temp_new(); - - gen_get_gpr(ctx, source1, a->rs1); - gen_get_gpr(ctx, source2, a->rs2); - - /* - * first, trick to get it to act like working on 32 bits (get rid of - * upper 32, sign extend to fill space) - */ - tcg_gen_ext32s_tl(source1, source1); - tcg_gen_andi_tl(source2, source2, 0x1F); - tcg_gen_sar_tl(source1, source1, source2); - - gen_set_gpr(ctx, a->rd, source1); - tcg_temp_free(source1); - tcg_temp_free(source2); - - return true; + ctx->w = true; + return gen_shift(ctx, a, EXT_ZERO, tcg_gen_sar_tl); } static bool trans_fence(DisasContext *ctx, arg_fence *a)