From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from server28.superhosting.bg (server28.superhosting.bg [217.174.156.11]) by sourceware.org (Postfix) with ESMTPS id 76A163858C39 for ; Mon, 22 Aug 2022 19:36:08 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 76A163858C39 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=dinux.eu Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=dinux.eu DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=dinux.eu; s=default; h=Content-Transfer-Encoding:MIME-Version:Message-Id:Date:Subject: Cc:To:From:Sender:Reply-To:Content-Type:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=hKoCX2Q+rnOqlvW+EQJRK7JFX/7mFvogzyVGHT0LeKU=; b=U/TcVGmC0mG89Fy2Yd6PvRJ1UP FkW+pZu7dSOHgo1JZMW3I/+kWlA8XfbE4HEQ1Hzgdwb90zC8KytRgAcVgyuR5fnwCWlqhZAkTxHXa MFCmV+UozTl8WLHtSuBHoGqDzDvDA4FwWPUMbJ13wfaPQ6kmjo1b1B88ys815sfTAgQAC6pNIR67H sZiO2dW4wGcryZKRsONw00rPK5kv3Rc8va+CGTHZZNFyAIjRrSKcqUXwsFNzKj+ytXAb6ayr2RMgc S3ZdTr0ZmcqS3UMLk4kgSHLur0umHrdikkng5anQdk85xXihLP1n+ev37bCBuvJdN1Gej0DmXjgdi jBNS1VAQ==; Received: from [95.87.234.74] (port=58104 helo=kendros.lan) by server28.superhosting.bg with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1oQDDP-000BOI-GU; Mon, 22 Aug 2022 22:36:07 +0300 From: Dimitar Dimitrov To: gcc-patches@gcc.gnu.org Subject: [committed] pru: Add mov variants to load const -1 Date: Mon, 22 Aug 2022 22:35:40 +0300 Message-Id: <20220822193541.1860863-2-dimitar@dinux.eu> X-Mailer: git-send-email 2.37.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - server28.superhosting.bg X-AntiAbuse: Original Domain - gcc.gnu.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - dinux.eu X-Get-Message-Sender-Via: server28.superhosting.bg: authenticated_id: dimitar@dinux.eu X-Authenticated-Sender: server28.superhosting.bg: dimitar@dinux.eu X-Source: X-Source-Args: X-Source-Dir: X-Spam-Status: No, score=-11.8 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_NUMSUBJECT, KAM_SHORT, SPF_HELO_PASS, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Aug 2022 19:36:10 -0000 Use the FILL instruction to efficiently load -1 constants. Regression tested on pru-unknown-elf, committed to mainline. gcc/ChangeLog: * config/pru/pru.md (prumov, mov): Add variants for loading -1 consts. gcc/testsuite/ChangeLog: * gcc.target/pru/mov-m1.c: New test. Signed-off-by: Dimitar Dimitrov --- gcc/config/pru/pru.md | 25 ++++++++++++++----------- gcc/testsuite/gcc.target/pru/mov-m1.c | 18 ++++++++++++++++++ 2 files changed, 32 insertions(+), 11 deletions(-) create mode 100644 gcc/testsuite/gcc.target/pru/mov-m1.c diff --git a/gcc/config/pru/pru.md b/gcc/config/pru/pru.md index 031109236d6..02e11350a4d 100644 --- a/gcc/config/pru/pru.md +++ b/gcc/config/pru/pru.md @@ -206,8 +206,8 @@ (define_expand "mov" ;; ;; Note: Assume that Program Mem (T constraint) can fit in 16 bits! (define_insn "prumov" - [(set (match_operand:MOV32 0 "nonimmediate_operand" "=m,r,r,r,r,r") - (match_operand:MOV32 1 "general_operand" "r,m,r,T,J,iF"))] + [(set (match_operand:MOV32 0 "nonimmediate_operand" "=m,r,r,r,r,r,r") + (match_operand:MOV32 1 "general_operand" "r,m,r,T,J,Um,iF"))] "" "@ sb%B0o\\t%b1, %0, %S0 @@ -215,9 +215,10 @@ (define_insn "prumov" mov\\t%0, %1 ldi\\t%0, %%pmem(%1) ldi\\t%0, %1 + fill\\t%0, 4 ldi32\\t%0, %1" - [(set_attr "type" "st,ld,alu,alu,alu,alu") - (set_attr "length" "4,4,4,4,4,8")]) + [(set_attr "type" "st,ld,alu,alu,alu,alu,alu") + (set_attr "length" "4,4,4,4,4,4,8")]) ;; Separate pattern for 8 and 16 bit moves, since LDI32 pseudo instruction @@ -247,8 +248,8 @@ (define_insn "prumov" ; Forcing DI reg alignment (akin to microblaze's HARD_REGNO_MODE_OK) ; does not seem efficient, and will violate TI ABI. (define_insn "mov" - [(set (match_operand:MOV64 0 "nonimmediate_operand" "=m,r,r,r,r,r") - (match_operand:MOV64 1 "general_operand" "r,m,r,T,J,nF"))] + [(set (match_operand:MOV64 0 "nonimmediate_operand" "=m,r,r,r,r,r,r") + (match_operand:MOV64 1 "general_operand" "r,m,Um,r,T,J,nF"))] "" { switch (which_alternative) @@ -258,6 +259,8 @@ (define_insn "mov" case 1: return "lb%B1o\\t%b0, %1, %S1"; case 2: + return "fill\\t%F0, 8"; + case 3: /* careful with overlapping source and destination regs. */ gcc_assert (GP_REG_P (REGNO (operands[0]))); gcc_assert (GP_REG_P (REGNO (operands[1]))); @@ -265,18 +268,18 @@ (define_insn "mov" return "mov\\t%N0, %N1\;mov\\t%F0, %F1"; else return "mov\\t%F0, %F1\;mov\\t%N0, %N1"; - case 3: - return "ldi\\t%F0, %%pmem(%1)\;ldi\\t%N0, 0"; case 4: - return "ldi\\t%F0, %1\;ldi\\t%N0, 0"; + return "ldi\\t%F0, %%pmem(%1)\;ldi\\t%N0, 0"; case 5: + return "ldi\\t%F0, %1\;ldi\\t%N0, 0"; + case 6: return "ldi32\\t%F0, %w1\;ldi32\\t%N0, %W1"; default: gcc_unreachable (); } } - [(set_attr "type" "st,ld,alu,alu,alu,alu") - (set_attr "length" "4,4,8,8,8,16")]) + [(set_attr "type" "st,ld,alu,alu,alu,alu,alu") + (set_attr "length" "4,4,4,8,8,8,16")]) ; ; load_multiple pattern(s). diff --git a/gcc/testsuite/gcc.target/pru/mov-m1.c b/gcc/testsuite/gcc.target/pru/mov-m1.c new file mode 100644 index 00000000000..0b31020e101 --- /dev/null +++ b/gcc/testsuite/gcc.target/pru/mov-m1.c @@ -0,0 +1,18 @@ +/* Loading a register with constant -1 integer value. */ + +/* { dg-do compile } */ +/* { dg-options "-O1" } */ + +int +test_set_m1_si (void) +{ + /* { dg-final { scan-assembler "fill\\tr14(.b0)?, 4" } } */ + return -1; +} + +long long +test_set_m1_di (void) +{ + /* { dg-final { scan-assembler "fill\\tr14(.b0)?, 8" } } */ + return -1; +} -- 2.37.2