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([172.58.111.133]) by smtp.gmail.com with ESMTPSA id 00721157ae682-71b5a6031a1sm18753227b3.86.2025.08.02.18.40.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 02 Aug 2025 18:40:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1754185237; x=1754790037; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=tvGZH+bmzZVMm/Dci9lihogJ/vULk9Ac9jLiyluBLDI=; b=ZQjWDzkKe7gENm4hnl6XM5WcFvm0b7UP8jq68xbgFtY1lQzA/yojyUDiljzq8rODho NW8aEvpb2UMb24Ry0+hYsWMUJJsielxa8AItH8IL4WM88xQ7jtPpbxMNG7YCIZPNfF1f mMsAqHgFD9N107Ihz06Wz8plMAySD0AklTOwKwGPWpBQn/VczlYLZzbfwoxiXCihWkTS 5TVCVITcbjyK51A+64zhCgJQo7zIV5kHrd8l8FUmoF7qI6It8jnB6gmL2Rjp74W8v/Mm RpANC5RQMMMxfTytZbuLF+FPuA2Jr7HQB81VhyEHEJrCxC6Js+teJMm5b3FlJTW43/Vd UJ3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754185237; x=1754790037; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=tvGZH+bmzZVMm/Dci9lihogJ/vULk9Ac9jLiyluBLDI=; b=SmQppu6O0Rlo/EMkvqFCh91jASiL92JwotuNl4bFTxlvmZ2/U5S9+EoT/kl4bSgoBG LR4OsacWQbv8eTT/blCb3TkBfsRwh7/EsnR/crjx7NBWHzKz4cxVTj16xGFI+BkXszlp UEtnPyNf1GH3vZmTW3rohFvPTAy15230QRpQ8hIGyCiihBPOpW5dmJ/GkMtIAddLOmhZ oq5cwVWCt0PptU7jbeAmj0Pj/qtsiY/cPRdbytBz0Pdy0gxUBeQ9HOLNFYIXqT2zBjZ0 ZpzN32QydqbR2pwv6arPY43MattwVEc5hlarQYs6EFtRR0ZIHX96psZUMKXmCgnW6MCC lugA== X-Gm-Message-State: AOJu0YzRAhhCPs5s6W6TI1E/saYxZ6ktDbXaF+pTgx6ZTyfJtsgot7Ba UHi5dIZJVUXoNn/YHVhVAJ1INkexi1GKe5Scnh+kTHTAhLeNQr9lEzrWxauoqN9chwV6IUT7TQk bnssNLTY= X-Gm-Gg: ASbGncsuwY0nvOFFRsd57xbMnfA/t90myWjxIzfhJtG7XjYcx341G6/D9ytRAEci8de qKxkHOKN4D64AfJDiDMrnDO+owPUiQINThRwyYgXa9NLeWWDEe8VvJts+xtFs2qXqDdfNcshR5s XBLzneKazkJek+CcXPiZ4cyK4+NkasIi/nT3Jnjua04GuELAAZvIwN3E0mFrn19NzJMvsKG3E1N G2SIRIG7uBzzym4uLfARK2JFoYhuuhWnlXDAaCJs+pC+bT/88EvD6NfVtdshNQFIVLMEcACYcum N+tCTDLSb+iqUAy7pGOkiyU/YoAXtrzriS2HtA2Ma6l5Wt1PxI8VTfoK1p+2haHifqmVMRkWc6Q Co7Ycutpr65MrVrA6zXRs5j0LCo/bIWwuALdut1XXVsNzNcIS1uFqlHlbJShNESU= X-Google-Smtp-Source: AGHT+IEsVZLSif8/KZEicQO+IoSQ9gUvnz5Z79+sWB43WjZLCo6Sv1xMiR5Slz3M07WiqVuRCHL18Q== X-Received: by 2002:a05:690c:6d01:b0:71b:6703:b710 with SMTP id 00721157ae682-71b7ef8b436mr54861927b3.33.1754185237407; Sat, 02 Aug 2025 18:40:37 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 02/11] target/arm: Implement MIN/MAX (immediate) Date: Sun, 3 Aug 2025 11:40:10 +1000 Message-ID: <20250803014019.416797-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250803014019.416797-1-richard.henderson@linaro.org> References: <20250803014019.416797-1-richard.henderson@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=2607:f8b0:4864:20::1132; envelope-from=richard.henderson@linaro.org; helo=mail-yw1-x1132.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=unavailable 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: 1754185392066124100 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/tcg/translate-a64.c | 44 ++++++++++++++++++++++++++++++++++ target/arm/tcg/a64.decode | 10 ++++++++ 2 files changed, 54 insertions(+) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index dbf47595db..b70ae5befd 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -4552,6 +4552,50 @@ TRANS(SUB_i, gen_rri, a, 1, 1, tcg_gen_sub_i64) TRANS(ADDS_i, gen_rri, a, 0, 1, a->sf ? gen_add64_CC : gen_add32_CC) TRANS(SUBS_i, gen_rri, a, 0, 1, a->sf ? gen_sub64_CC : gen_sub32_CC) =20 +/* + * Min/Max (immediate) + */ + +static void gen_wrap3_i32(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, NeonGenTwoOp= Fn fn) +{ + TCGv_i32 t1 =3D tcg_temp_new_i32(); + TCGv_i32 t2 =3D tcg_temp_new_i32(); + + tcg_gen_extrl_i64_i32(t1, n); + tcg_gen_extrl_i64_i32(t2, m); + fn(t1, t1, t2); + tcg_gen_extu_i32_i64(d, t1); +} + +static void gen_smax32_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m) +{ + gen_wrap3_i32(d, n, m, tcg_gen_smax_i32); +} + +static void gen_smin32_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m) +{ + gen_wrap3_i32(d, n, m, tcg_gen_smin_i32); +} + +static void gen_umax32_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m) +{ + gen_wrap3_i32(d, n, m, tcg_gen_umax_i32); +} + +static void gen_umin32_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m) +{ + gen_wrap3_i32(d, n, m, tcg_gen_umin_i32); +} + +TRANS_FEAT(SMAX_i, aa64_cssc, gen_rri, a, 0, 0, + a->sf ? tcg_gen_smax_i64 : gen_smax32_i64) +TRANS_FEAT(SMIN_i, aa64_cssc, gen_rri, a, 0, 0, + a->sf ? tcg_gen_smin_i64 : gen_smin32_i64) +TRANS_FEAT(UMAX_i, aa64_cssc, gen_rri, a, 0, 0, + a->sf ? tcg_gen_umax_i64 : gen_umax32_i64) +TRANS_FEAT(UMIN_i, aa64_cssc, gen_rri, a, 0, 0, + a->sf ? tcg_gen_umin_i64 : gen_umin32_i64) + /* * Add/subtract (immediate, with tags) */ diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 8c798cde2b..c1811b0274 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -156,6 +156,16 @@ MOVZ . 10 100101 .. ................ ..... = @movw_32 MOVK . 11 100101 .. ................ ..... @movw_64 MOVK . 11 100101 .. ................ ..... @movw_32 =20 +# Min/Max (immediate) + +@minmaxi_s sf:1 .. ........... imm:s8 rn:5 rd:5 &rri_sf +@minmaxi_u sf:1 .. ........... imm:8 rn:5 rd:5 &rri_sf + +SMAX_i . 00 1000111 0000 ........ ..... ..... @minmaxi_s +SMIN_i . 00 1000111 0010 ........ ..... ..... @minmaxi_s +UMAX_i . 00 1000111 0001 ........ ..... ..... @minmaxi_u +UMIN_i . 00 1000111 0011 ........ ..... ..... @minmaxi_u + # Bitfield =20 &bitfield rd rn sf immr imms --=20 2.43.0