From mboxrd@z Thu Jan 1 00:00:00 1970 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=-13.6 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 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 C4CCDC2B9F4 for ; Sat, 19 Jun 2021 09:39:27 +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 728D96113C for ; Sat, 19 Jun 2021 09:39:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 728D96113C Authentication-Results: mail.kernel.org; dmarc=pass (p=none dis=none) header.from=nongnu.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:42758 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1luXRm-0006qZ-HZ for qemu-devel@archiver.kernel.org; Sat, 19 Jun 2021 05:39:26 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39708) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1luXQ2-0003lI-Tn for qemu-devel@nongnu.org; Sat, 19 Jun 2021 05:37:38 -0400 Received: from rev.ng ([5.9.113.41]:56823) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1luXPy-0003t6-OD for qemu-devel@nongnu.org; Sat, 19 Jun 2021 05:37:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=GSJgAHpQcvv3DeGUupC/lJLqUl0/Yf5CEAg7PXF5n/k=; b=Bb9MfibKmJXaPVaa2qUyPwPO/j Yg4HUAYOdRKWZJEDkaoTSkMVvJNJSziSvSDuUhHmEsXLpNH3+j9LOgNTg57R3FIWCTAmpIGXHuRHL He2pYHzIdwbuhVTx6ja2cF/hiC+cZiMrEHpAcloINzZ9qcBCRmIWxuHBPTpNrI9eRGw0=; To: qemu-devel@nongnu.org Cc: tsimpson@quicinc.com, bcain@quicinc.com, babush@rev.ng, nizzo@rev.ng, philmd@redhat.com, richard.henderson@linaro.org, Alessandro Di Federico Subject: [PATCH v5 06/14] target/hexagon: introduce new helper functions Date: Sat, 19 Jun 2021 11:37:05 +0200 Message-Id: <20210619093713.1845446-7-ale.qemu@rev.ng> In-Reply-To: <20210619093713.1845446-1-ale.qemu@rev.ng> References: <20210619093713.1845446-1-ale.qemu@rev.ng> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=5.9.113.41; envelope-from=ale@rev.ng; helo=rev.ng 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, 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: 2.1.23 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" Reply-to: Alessandro Di Federico From: Alessandro Di Federico via From: Niccolò Izzo These helpers will be employed by the idef-parser generated code. Signed-off-by: Alessandro Di Federico Signed-off-by: Niccolò Izzo --- target/hexagon/genptr.c | 163 ++++++++++++++++++++++++++++++++++++---- target/hexagon/genptr.h | 23 ++++++ target/hexagon/macros.h | 9 +++ 3 files changed, 180 insertions(+), 15 deletions(-) diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c index 6f2816f6e2..cf45c28f58 100644 --- a/target/hexagon/genptr.c +++ b/target/hexagon/genptr.c @@ -28,6 +28,12 @@ #include "gen_tcg.h" #include "genptr.h" +TCGv gen_read_reg(TCGv result, int num) +{ + tcg_gen_mov_tl(result, hex_gpr[num]); + return result; +} + TCGv gen_read_preg(TCGv pred, uint8_t num) { tcg_gen_mov_tl(pred, hex_pred[num]); @@ -396,18 +402,19 @@ static inline void gen_store_conditional8(CPUHexagonState *env, tcg_gen_movi_tl(hex_llsc_addr, ~0); } -static inline void gen_store32(TCGv vaddr, TCGv src, int width, int slot) +void gen_store32(DisasContext *ctx, TCGv vaddr, TCGv src, tcg_target_long width, + unsigned slot) { tcg_gen_mov_tl(hex_store_addr[slot], vaddr); tcg_gen_movi_tl(hex_store_width[slot], width); tcg_gen_mov_tl(hex_store_val32[slot], src); + ctx->store_width[slot] = width; } -static inline void gen_store1(TCGv_env cpu_env, TCGv vaddr, TCGv src, - DisasContext *ctx, int slot) +void gen_store1(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, + unsigned slot) { - gen_store32(vaddr, src, 1, slot); - ctx->store_width[slot] = 1; + gen_store32(ctx, vaddr, src, 1, slot); } static inline void gen_store1i(TCGv_env cpu_env, TCGv vaddr, int32_t src, @@ -418,11 +425,10 @@ static inline void gen_store1i(TCGv_env cpu_env, TCGv vaddr, int32_t src, tcg_temp_free(tmp); } -static inline void gen_store2(TCGv_env cpu_env, TCGv vaddr, TCGv src, - DisasContext *ctx, int slot) +void gen_store2(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, + unsigned slot) { - gen_store32(vaddr, src, 2, slot); - ctx->store_width[slot] = 2; + gen_store32(ctx, vaddr, src, 2, slot); } static inline void gen_store2i(TCGv_env cpu_env, TCGv vaddr, int32_t src, @@ -433,11 +439,10 @@ static inline void gen_store2i(TCGv_env cpu_env, TCGv vaddr, int32_t src, tcg_temp_free(tmp); } -static inline void gen_store4(TCGv_env cpu_env, TCGv vaddr, TCGv src, - DisasContext *ctx, int slot) +void gen_store4(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, + unsigned slot) { - gen_store32(vaddr, src, 4, slot); - ctx->store_width[slot] = 4; + gen_store32(ctx, vaddr, src, 4, slot); } static inline void gen_store4i(TCGv_env cpu_env, TCGv vaddr, int32_t src, @@ -448,8 +453,8 @@ static inline void gen_store4i(TCGv_env cpu_env, TCGv vaddr, int32_t src, tcg_temp_free(tmp); } -static inline void gen_store8(TCGv_env cpu_env, TCGv vaddr, TCGv_i64 src, - DisasContext *ctx, int slot) +void gen_store8(TCGv_env cpu_env, TCGv vaddr, TCGv_i64 src, DisasContext *ctx, + unsigned slot) { tcg_gen_mov_tl(hex_store_addr[slot], vaddr); tcg_gen_movi_tl(hex_store_width[slot], 8); @@ -476,5 +481,133 @@ static TCGv gen_8bitsof(TCGv result, TCGv value) return result; } +void gen_set_usr_field(int field, TCGv val) +{ + tcg_gen_deposit_tl(hex_gpr[HEX_REG_USR], hex_gpr[HEX_REG_USR], val, + reg_field_info[field].offset, + reg_field_info[field].width); +} + +void gen_set_usr_fieldi(int field, int x) +{ + TCGv val = tcg_const_tl(x); + gen_set_usr_field(field, val); + tcg_temp_free(val); +} + +void gen_write_new_pc(TCGv addr) +{ + /* If there are multiple branches in a packet, ignore the second one */ + TCGv zero = tcg_const_tl(0); + tcg_gen_movcond_tl(TCG_COND_NE, hex_next_PC, hex_branch_taken, zero, + hex_next_PC, addr); + tcg_gen_movi_tl(hex_branch_taken, 1); + tcg_temp_free(zero); +} + +void gen_sat_i32(TCGv dest, TCGv source, int width) +{ + TCGv max_val = tcg_const_i32((1 << (width - 1)) - 1); + TCGv min_val = tcg_const_i32(-(1 << (width - 1))); + tcg_gen_smin_tl(dest, source, max_val); + tcg_gen_smax_tl(dest, dest, min_val); + tcg_temp_free_i32(max_val); + tcg_temp_free_i32(min_val); +} + +void gen_sat_i32_ext(TCGv ovfl, TCGv dest, TCGv source, int width) +{ + gen_sat_i32(dest, source, width); + tcg_gen_setcond_i32(TCG_COND_NE, ovfl, source, dest); +} + +void gen_satu_i32(TCGv dest, TCGv source, int width) +{ + TCGv max_val = tcg_const_i32((1 << width) - 1); + tcg_gen_movcond_i32(TCG_COND_GTU, dest, source, max_val, max_val, source); + TCGv_i32 zero = tcg_const_i32(0); + tcg_gen_movcond_i32(TCG_COND_LT, dest, source, zero, zero, dest); + tcg_temp_free_i32(max_val); + tcg_temp_free_i32(zero); +} + +void gen_satu_i32_ext(TCGv ovfl, TCGv dest, TCGv source, int width) +{ + gen_satu_i32(dest, source, width); + tcg_gen_setcond_i32(TCG_COND_NE, ovfl, source, dest); +} + +void gen_sat_i64(TCGv_i64 dest, TCGv_i64 source, int width) +{ + TCGv_i64 max_val = tcg_const_i64((1 << (width - 1)) - 1); + TCGv_i64 min_val = tcg_const_i64(-(1 << (width - 1))); + tcg_gen_smin_i64(dest, source, max_val); + tcg_gen_smax_i64(dest, dest, min_val); + tcg_temp_free_i64(max_val); + tcg_temp_free_i64(min_val); +} + +void gen_sat_i64_ext(TCGv ovfl, TCGv_i64 dest, TCGv_i64 source, int width) +{ + gen_sat_i64(dest, source, width); + TCGv_i64 ovfl_64 = tcg_temp_new_i64(); + tcg_gen_setcond_i64(TCG_COND_NE, ovfl_64, dest, source); + tcg_gen_trunc_i64_tl(ovfl, ovfl_64); + tcg_temp_free_i64(ovfl_64); +} + +void gen_satu_i64(TCGv_i64 dest, TCGv_i64 source, int width) +{ + TCGv_i64 max_val = tcg_const_i64((1 << width) - 1); + tcg_gen_movcond_i64(TCG_COND_GTU, dest, source, max_val, max_val, source); + TCGv_i64 zero = tcg_const_i64(0); + tcg_gen_movcond_i64(TCG_COND_LT, dest, source, zero, zero, dest); + tcg_temp_free_i64(max_val); + tcg_temp_free_i64(zero); +} + +void gen_satu_i64_ext(TCGv ovfl, TCGv_i64 dest, TCGv_i64 source, int width) +{ + gen_sat_i64(dest, source, width); + TCGv_i64 ovfl_64 = tcg_temp_new_i64(); + tcg_gen_setcond_i64(TCG_COND_NE, ovfl_64, dest, source); + tcg_gen_trunc_i64_tl(ovfl, ovfl_64); + tcg_temp_free_i64(ovfl_64); +} + +void gen_fbrev(TCGv result, TCGv src) +{ + TCGv lo = tcg_temp_new(); + TCGv tmp1 = tcg_temp_new(); + TCGv tmp2 = tcg_temp_new(); + + /* Bit reversal of low 16 bits */ + tcg_gen_extract_tl(lo, src, 0, 16); + tcg_gen_andi_tl(tmp1, lo, 0xaaaa); + tcg_gen_shri_tl(tmp1, tmp1, 1); + tcg_gen_andi_tl(tmp2, lo, 0x5555); + tcg_gen_shli_tl(tmp2, tmp2, 1); + tcg_gen_or_tl(lo, tmp1, tmp2); + tcg_gen_andi_tl(tmp1, lo, 0xcccc); + tcg_gen_shri_tl(tmp1, tmp1, 2); + tcg_gen_andi_tl(tmp2, lo, 0x3333); + tcg_gen_shli_tl(tmp2, tmp2, 2); + tcg_gen_or_tl(lo, tmp1, tmp2); + tcg_gen_andi_tl(tmp1, lo, 0xf0f0); + tcg_gen_shri_tl(tmp1, tmp1, 4); + tcg_gen_andi_tl(tmp2, lo, 0x0f0f); + tcg_gen_shli_tl(tmp2, tmp2, 4); + tcg_gen_or_tl(lo, tmp1, tmp2); + tcg_gen_bswap16_tl(lo, lo); + + /* Final tweaks */ + tcg_gen_deposit_tl(result, src, lo, 0, 16); + tcg_gen_or_tl(result, result, lo); + + tcg_temp_free(lo); + tcg_temp_free(tmp1); + tcg_temp_free(tmp2); +} + #include "tcg_funcs_generated.c.inc" #include "tcg_func_table_generated.c.inc" diff --git a/target/hexagon/genptr.h b/target/hexagon/genptr.h index 709b8eb099..48d1a32f49 100644 --- a/target/hexagon/genptr.h +++ b/target/hexagon/genptr.h @@ -24,8 +24,31 @@ extern const SemanticInsn opcode_genptr[]; +TCGv gen_read_reg(TCGv result, int num); TCGv gen_read_preg(TCGv pred, uint8_t num); void gen_log_reg_write(int rnum, TCGv val); void gen_log_pred_write(DisasContext *ctx, int pnum, TCGv val); +void gen_store32(DisasContext *ctx, TCGv vaddr, TCGv src, tcg_target_long width, + unsigned slot); +void gen_store1(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, + unsigned slot); +void gen_store2(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, + unsigned slot); +void gen_store4(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, + unsigned slot); +void gen_store8(TCGv_env cpu_env, TCGv vaddr, TCGv_i64 src, DisasContext *ctx, + unsigned slot); +void gen_write_new_pc(TCGv addr); +void gen_set_usr_field(int field, TCGv val); +void gen_set_usr_fieldi(int field, int x); +void gen_sat_i32(TCGv dest, TCGv source, int width); +void gen_sat_i32_ext(TCGv ovfl, TCGv dest, TCGv source, int width); +void gen_satu_i32(TCGv dest, TCGv source, int width); +void gen_satu_i32_ext(TCGv ovfl, TCGv dest, TCGv source, int width); +void gen_sat_i64(TCGv_i64 dest, TCGv_i64 source, int width); +void gen_sat_i64_ext(TCGv ovfl, TCGv_i64 dest, TCGv_i64 source, int width); +void gen_satu_i64(TCGv_i64 dest, TCGv_i64 source, int width); +void gen_satu_i64_ext(TCGv ovfl, TCGv_i64 dest, TCGv_i64 source, int width); +void gen_fbrev(TCGv result, TCGv src); #endif diff --git a/target/hexagon/macros.h b/target/hexagon/macros.h index eadb7e5d05..7d09501844 100644 --- a/target/hexagon/macros.h +++ b/target/hexagon/macros.h @@ -181,7 +181,16 @@ #define MEM_STORE8(VA, DATA, SLOT) log_store64(env, VA, DATA, 8, SLOT) #endif +#ifdef QEMU_GENERATE +static inline void gen_cancel(unsigned slot) +{ + tcg_gen_ori_tl(hex_slot_cancelled, hex_slot_cancelled, 1 << slot); +} + +#define CANCEL gen_cancel(slot); +#else #define CANCEL cancel_slot(env, slot) +#endif #define LOAD_CANCEL(EA) do { CANCEL; } while (0) -- 2.31.1