From nobody Tue Feb 10 01:33:00 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of _spf.google.com designates 209.85.128.43 as permitted sender) client-ip=209.85.128.43; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-f43.google.com; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of _spf.google.com designates 209.85.128.43 as permitted sender) smtp.mailfrom=philippe.mathieu.daude@gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1626037247; cv=none; d=zohomail.com; s=zohoarc; b=bae4C2r6HbWREO/l+NpD7gl6wQssc7/HpxeBDDKMImM98CNV3wLQkmAHxFRBXEwL3MPZA1HTIi5gIHoRUZsv6IihqzMqvA3KaVV/dP3X9G1Mc2YyZts59c6anRZQb0iebzE3q0NqwyTLE6+tMCHjj3YzdjDNkTBSNgj7FT3YF30= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1626037247; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Sender:Subject:To; bh=viZvhtQVx52mUJR9Wb2zu95/w2DAOaJIT3+YevgQ4qA=; b=PM9CiwCL8xSFEW+WLWJGSFsh7NMYHN1UAK9YdoPzIN21lmJ03xO53OUKxi9Aaaplg+GJZaW9/il5lj3Bhe0BDABo4GIdeAnucS34wJLBV7kupRhw3X9WT0cfHIUuGpXINdjGR64X6QE9+Q9DBfLZZGzFEqtXVhLH+jn2tO7psPo= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of _spf.google.com designates 209.85.128.43 as permitted sender) smtp.mailfrom=philippe.mathieu.daude@gmail.com Received: from mail-wm1-f43.google.com (mail-wm1-f43.google.com [209.85.128.43]) by mx.zohomail.com with SMTPS id 1626037247060278.75429070952396; Sun, 11 Jul 2021 14:00:47 -0700 (PDT) Received: by mail-wm1-f43.google.com with SMTP id l6so1671282wmq.0 for ; Sun, 11 Jul 2021 14:00:46 -0700 (PDT) Return-Path: Return-Path: Received: from localhost.localdomain (abayonne-654-1-142-116.w86-222.abo.wanadoo.fr. [86.222.93.116]) by smtp.gmail.com with ESMTPSA id u12sm12342714wrt.50.2021.07.11.14.00.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 Jul 2021 14:00:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=viZvhtQVx52mUJR9Wb2zu95/w2DAOaJIT3+YevgQ4qA=; b=JsgUtK1S8jcAGv8SHbedhJolyKKz9jve2vG8mAfHNdnQGXXweP5fzCbgM7gJavNYJc iGS4FRtk+jfLrKY/L15jh78ciIh/aJpeut4Up4Yu9AEoPGTpfNOI2Y+U8an+x305DHUd wQNVJ6Aekr9cbPWM8tUR8uQ9Seax2+K3cTM3j59Jrb1KqWdAyQK/BtfGPvBH9NeQuLX2 zVyZdvq1bcQTl3npd9SbrkVisI790bXFIhSFbduUQjO4SsZZ7fbFIamHLktj3HuxXqg3 vh8wTjPwI5fTFLDufMw49r3df/Jk8hC74pB972CPkWVvPMS9f5FqWPC9obIDJC6T+YPy tG8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=viZvhtQVx52mUJR9Wb2zu95/w2DAOaJIT3+YevgQ4qA=; b=tCB2Iy9L+KZiQ5i6muii05OhhBoWeHmoz4LrqkUCiqVZeNiiEUOg44xEaf3S/yt7Ez 57BoP3c4iwyIQnh+IOt9GRGG8exE7kXWilF526fk/MOML2Lr7vMb2Wov4taa/c2tH8R4 V/hknJbS2NUEsc3SRXn4LRzA7NPpAwWdFe9GBxPttny151X75h/gnUYkh7PukKXRvW1b CwFP3vNhXaNxM/X5wWjHBhOBA/fymNwAMDJL835rrGPHawwpUEfiCcU8yWGGiATvpHnv JOgbq+CWPSiPM4qW0WvRw+NPsZ/0nSfuts4mqg6AZbxIrRpH9YnFkoD8iiqgj1qpxlLe fzoA== X-Gm-Message-State: AOAM533n2npK8aif3oKLByRJU0avmu1t+yBFro4KEhx2UnyIv86CCcll nX1lJdkcWK7UPYOGKt9SQ6Q= X-Google-Smtp-Source: ABdhPJy4g0+IuQNtefPuZ1L9k6LX8mTK9Um8JKlgo0ANxcBr+nlHPYQHqqrsshlEj2bg9mVCP+NHng== X-Received: by 2002:a1c:f705:: with SMTP id v5mr10809146wmh.69.1626037245207; Sun, 11 Jul 2021 14:00:45 -0700 (PDT) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Fredrik Noring , Mark Cave-Ayland , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson Subject: [PULL 04/19] target/mips/tx79: Introduce PSUB* opcodes (Parallel Subtract) Date: Sun, 11 Jul 2021 23:00:01 +0200 Message-Id: <20210711210016.2710100-5-f4bug@amsat.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210711210016.2710100-1-f4bug@amsat.org> References: <20210711210016.2710100-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1626037249502100001 Introduce the 'Parallel Subtract' opcodes: - PSUBB (Parallel Subtract Byte) - PSUBH (Parallel Subtract Halfword) - PSUBW (Parallel Subtract Word) Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Message-Id: <820210309145653.743937-11-f4bug@amsat.org> --- target/mips/tcg/tx79.decode | 6 ++++++ target/mips/tcg/tx79_translate.c | 19 +++++++++++++++++++ 2 files changed, 25 insertions(+) diff --git a/target/mips/tcg/tx79.decode b/target/mips/tcg/tx79.decode index 26c80b9bce5..d1c07c7d901 100644 --- a/target/mips/tcg/tx79.decode +++ b/target/mips/tcg/tx79.decode @@ -29,6 +29,12 @@ MTHI1 011100 ..... 0000000000 00000 010001 = @rs MFLO1 011100 0000000000 ..... 00000 010010 @rd MTLO1 011100 ..... 0000000000 00000 010011 @rs =20 +# MMI0 + +PSUBW 011100 ..... ..... ..... 00001 001000 @rs_rt_rd +PSUBH 011100 ..... ..... ..... 00101 001000 @rs_rt_rd +PSUBB 011100 ..... ..... ..... 01001 001000 @rs_rt_rd + # MMI2 =20 PCPYLD 011100 ..... ..... ..... 01110 001001 @rs_rt_rd diff --git a/target/mips/tcg/tx79_translate.c b/target/mips/tcg/tx79_transl= ate.c index 00364f10d47..3abd1d92e70 100644 --- a/target/mips/tcg/tx79_translate.c +++ b/target/mips/tcg/tx79_translate.c @@ -9,6 +9,7 @@ =20 #include "qemu/osdep.h" #include "tcg/tcg-op.h" +#include "tcg/tcg-op-gvec.h" #include "exec/helper-gen.h" #include "translate.h" =20 @@ -144,6 +145,24 @@ static bool trans_parallel_arith(DisasContext *ctx, ar= g_rtype *a, return true; } =20 +/* Parallel Subtract Byte */ +static bool trans_PSUBB(DisasContext *ctx, arg_rtype *a) +{ + return trans_parallel_arith(ctx, a, tcg_gen_vec_sub8_i64); +} + +/* Parallel Subtract Halfword */ +static bool trans_PSUBH(DisasContext *ctx, arg_rtype *a) +{ + return trans_parallel_arith(ctx, a, tcg_gen_vec_sub16_i64); +} + +/* Parallel Subtract Word */ +static bool trans_PSUBW(DisasContext *ctx, arg_rtype *a) +{ + return trans_parallel_arith(ctx, a, tcg_gen_vec_sub32_i64); +} + /* * Min/Max (4 instructions) * ------------------------ --=20 2.31.1