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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42129de0cf9sm37027685e9.13.2024.05.31.05.04.12 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 May 2024 05:04:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1717157053; x=1717761853; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=YKz2IZB+9v2Ext0CF0IVyAcLOjvZTKCG+3bOnl9sD2o=; b=Ly1U1Nq7EC5uOwfvW9CN4Aef5KdMpR0hNlMVh2krSqz6C4rSe+BfDY1iphPxQTx50D BXuSVEcDIY31zfxcc8TsQBLSEvcP3N9LsZeqAoj7wOBHzG7s8R+oqiFWvWbENFBDXbr1 BnZRJlaOk8qERADDcT0PXIw9eIpViCI9xk1+0+lcLBpHOy9XqrHrM2HzfADa9foTlIK4 +kmTDXfEuw02MS9rXdAA0Fu4bj6TRUaBFPkmD/47Mn0MpN/UkfLrJjAxTzC9BrIEoyOi 4NlBT+iIB6ep/BjdNXGssNnhBrB2vy/b/+4ApokCnpRionWya/t50gVzRLbTWIUAdgq8 sfUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717157053; x=1717761853; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=YKz2IZB+9v2Ext0CF0IVyAcLOjvZTKCG+3bOnl9sD2o=; b=wjowgIFYkUCPR2jSSDFRLyceAfrNv1MXkESflg3+Und2zcgNVFGl53xP9xw4DNy6wk nMqdocYa7yQ19ZWFn4LcE65LgFGR0Lpvx3fBb0W3KCDCv1hqwH6X/JtiiZelkTU78R/F nWjCtIoHi3Vni+q1QELNWNyfbFj3yVd6CRMQyYHxcE3knWW0/WMTNXwlk9z+/vv3Ju42 bugnTVQ/pZRATSG7/rL9W6uH75K7X4jt8p09NONpNNOdrLEz5jZYRei727nXpsRePJkx N1AeEezb8ssQVlolNXL5EJCuIUR7GLlw7g5vDWh2kpy+9BJhyHHe4bR/YZsPDvrWftpV wMDw== X-Gm-Message-State: AOJu0YyKo6PfM5niS7sY20WvKFbSYEbzrqvhkHT+dELRVXfSHrNRaq4i CRCYrNZfUVLFdEM7bT/QCt5H6BaJtnXa6D7U3M1Rn4wrU4iQ0n/dH7/38nRGRvIYdynIjKxK/+1 g X-Google-Smtp-Source: AGHT+IFflxj3ItKq4D9s6ONGp87eNclX/gztXCFWuW+9w041xJrrjPIaIunLV61nIe7PTB4d2n6ekg== X-Received: by 2002:a19:6455:0:b0:52b:796f:8af5 with SMTP id 2adb3069b0e04-52b8958da31mr1064101e87.34.1717157053492; Fri, 31 May 2024 05:04:13 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 13/43] target/arm: Convert SUQADD, USQADD to decodetree Date: Fri, 31 May 2024 13:03:31 +0100 Message-Id: <20240531120401.394550-14-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240531120401.394550-1-peter.maydell@linaro.org> References: <20240531120401.394550-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2a00:1450:4864:20::12e; envelope-from=peter.maydell@linaro.org; helo=mail-lf1-x12e.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, 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-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1717157349287100001 Content-Type: text/plain; charset="utf-8" From: Richard Henderson These are faux 2-operand instructions, reading from rd. Sort them next to the other three-operand same insns for clarity. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Message-id: 20240528203044.612851-9-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/tcg/a64.decode | 8 +++++ target/arm/tcg/translate-a64.c | 64 ++++------------------------------ 2 files changed, 14 insertions(+), 58 deletions(-) diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 19010af03bb..7c350ba833f 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -45,6 +45,7 @@ @rrr_sd ........ ... rm:5 ...... rn:5 rd:5 &rrr_e esz=3D%esz_= sd @rrr_hsd ........ ... rm:5 ...... rn:5 rd:5 &rrr_e esz=3D%esz_= hsd @rrr_e ........ esz:2 . rm:5 ...... rn:5 rd:5 &rrr_e +@r2r_e ........ esz:2 . ..... ...... rm:5 rd:5 &rrr_e rn=3D%rd =20 @rrx_h ........ .. .. rm:4 .... . . rn:5 rd:5 &rrx_e esz=3D1 idx= =3D%hlm @rrx_s ........ .. . rm:5 .... . . rn:5 rd:5 &rrx_e esz=3D2 idx= =3D%hl @@ -60,6 +61,7 @@ @qrrr_h . q:1 ...... ... rm:5 ...... rn:5 rd:5 &qrrr_e esz=3D1 @qrrr_sd . q:1 ...... ... rm:5 ...... rn:5 rd:5 &qrrr_e esz=3D%esz= _sd @qrrr_e . q:1 ...... esz:2 . rm:5 ...... rn:5 rd:5 &qrrr_e +@qr2r_e . q:1 ...... esz:2 . ..... ...... rm:5 rd:5 &qrrr_e rn=3D%= rd =20 @qrrx_h . q:1 .. .... .. .. rm:4 .... . . rn:5 rd:5 \ &qrrx_e esz=3D1 idx=3D%hlm @@ -750,6 +752,9 @@ UQADD_s 0111 1110 ..1 ..... 00001 1 ..... .....= @rrr_e SQSUB_s 0101 1110 ..1 ..... 00101 1 ..... ..... @rrr_e UQSUB_s 0111 1110 ..1 ..... 00101 1 ..... ..... @rrr_e =20 +SUQADD_s 0101 1110 ..1 00000 00111 0 ..... ..... @r2r_e +USQADD_s 0111 1110 ..1 00000 00111 0 ..... ..... @r2r_e + ### Advanced SIMD scalar pairwise =20 FADDP_s 0101 1110 0011 0000 1101 10 ..... ..... @rr_h @@ -868,6 +873,9 @@ UQADD_v 0.10 1110 ..1 ..... 00001 1 ..... .....= @qrrr_e SQSUB_v 0.00 1110 ..1 ..... 00101 1 ..... ..... @qrrr_e UQSUB_v 0.10 1110 ..1 ..... 00101 1 ..... ..... @qrrr_e =20 +SUQADD_v 0.00 1110 ..1 00000 00111 0 ..... ..... @qr2r_e +USQADD_v 0.10 1110 ..1 00000 00111 0 ..... ..... @qr2r_e + ### Advanced SIMD scalar x indexed element =20 FMUL_si 0101 1111 00 .. .... 1001 . 0 ..... ..... @rrx_h diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 3956c415431..c0637bda0fc 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -5096,6 +5096,8 @@ TRANS(SQADD_s, do_satacc_s, a, MO_SIGN, MO_SIGN, gen_= sqadd_bhs, gen_sqadd_d) TRANS(SQSUB_s, do_satacc_s, a, MO_SIGN, MO_SIGN, gen_sqsub_bhs, gen_sqsub_= d) TRANS(UQADD_s, do_satacc_s, a, 0, 0, gen_uqadd_bhs, gen_uqadd_d) TRANS(UQSUB_s, do_satacc_s, a, 0, 0, gen_uqsub_bhs, gen_uqsub_d) +TRANS(SUQADD_s, do_satacc_s, a, MO_SIGN, 0, gen_suqadd_bhs, gen_suqadd_d) +TRANS(USQADD_s, do_satacc_s, a, 0, MO_SIGN, gen_usqadd_bhs, gen_usqadd_d) =20 static bool do_fp3_vector(DisasContext *s, arg_qrrr_e *a, gen_helper_gvec_3_ptr * const fns[3]) @@ -5339,6 +5341,8 @@ TRANS(SQADD_v, do_gvec_fn3, a, gen_gvec_sqadd_qc) TRANS(UQADD_v, do_gvec_fn3, a, gen_gvec_uqadd_qc) TRANS(SQSUB_v, do_gvec_fn3, a, gen_gvec_sqsub_qc) TRANS(UQSUB_v, do_gvec_fn3, a, gen_gvec_uqsub_qc) +TRANS(SUQADD_v, do_gvec_fn3, a, gen_gvec_suqadd_qc) +TRANS(USQADD_v, do_gvec_fn3, a, gen_gvec_usqadd_qc) =20 /* * Advanced SIMD scalar/vector x indexed element @@ -10009,48 +10013,6 @@ static void handle_2misc_narrow(DisasContext *s, b= ool scalar, clear_vec_high(s, is_q, rd); } =20 -/* Remaining saturating accumulating ops */ -static void handle_2misc_satacc(DisasContext *s, bool is_scalar, bool is_u, - bool is_q, unsigned size, int rn, int rd) -{ - TCGv_i64 res, qc, a, b; - - if (!is_scalar) { - gen_gvec_fn3(s, is_q, rd, rd, rn, - is_u ? gen_gvec_usqadd_qc : gen_gvec_suqadd_qc, size); - return; - } - - res =3D tcg_temp_new_i64(); - qc =3D tcg_temp_new_i64(); - a =3D tcg_temp_new_i64(); - b =3D tcg_temp_new_i64(); - - /* Read and extend scalar inputs to 64-bits. */ - read_vec_element(s, a, rd, 0, size | (is_u ? 0 : MO_SIGN)); - read_vec_element(s, b, rn, 0, size | (is_u ? MO_SIGN : 0)); - tcg_gen_ld_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc)); - - if (size =3D=3D MO_64) { - if (is_u) { - gen_usqadd_d(res, qc, a, b); - } else { - gen_suqadd_d(res, qc, a, b); - } - } else { - if (is_u) { - gen_usqadd_bhs(res, qc, a, b, size); - } else { - gen_suqadd_bhs(res, qc, a, b, size); - /* Truncate signed 64-bit result for writeback. */ - tcg_gen_ext_i64(res, res, size); - } - } - - write_fp_dreg(s, rd, res); - tcg_gen_st_i64(qc, tcg_env, offsetof(CPUARMState, vfp.qc)); -} - /* AdvSIMD scalar two reg misc * 31 30 29 28 24 23 22 21 17 16 12 11 10 9 5 4 0 * +-----+---+-----------+------+-----------+--------+-----+------+------+ @@ -10070,12 +10032,6 @@ static void disas_simd_scalar_two_reg_misc(DisasCo= ntext *s, uint32_t insn) TCGv_ptr tcg_fpstatus; =20 switch (opcode) { - case 0x3: /* USQADD / SUQADD*/ - if (!fp_access_check(s)) { - return; - } - handle_2misc_satacc(s, true, u, false, size, rn, rd); - return; case 0x7: /* SQABS / SQNEG */ break; case 0xa: /* CMLT */ @@ -10175,6 +10131,7 @@ static void disas_simd_scalar_two_reg_misc(DisasCon= text *s, uint32_t insn) } break; default: + case 0x3: /* USQADD / SUQADD */ unallocated_encoding(s); return; } @@ -11662,16 +11619,6 @@ static void disas_simd_two_reg_misc(DisasContext *= s, uint32_t insn) return; } break; - case 0x3: /* SUQADD, USQADD */ - if (size =3D=3D 3 && !is_q) { - unallocated_encoding(s); - return; - } - if (!fp_access_check(s)) { - return; - } - handle_2misc_satacc(s, false, u, is_q, size, rn, rd); - return; case 0x7: /* SQABS, SQNEG */ if (size =3D=3D 3 && !is_q) { unallocated_encoding(s); @@ -11846,6 +11793,7 @@ static void disas_simd_two_reg_misc(DisasContext *s= , uint32_t insn) break; } default: + case 0x3: /* SUQADD, USQADD */ unallocated_encoding(s); return; } --=20 2.34.1