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[2001:470:27:1fa::2]) by smtp.gmail.com with ESMTPSA id h3sm1258383lfj.26.2017.11.03.20.46.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 03 Nov 2017 20:46:24 -0700 (PDT) From: Max Filippov To: qemu-devel@nongnu.org Date: Fri, 3 Nov 2017 20:45:18 -0700 Message-Id: <1509767121-26925-14-git-send-email-jcmvbkbc@gmail.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1509767121-26925-1-git-send-email-jcmvbkbc@gmail.com> References: <1509767121-26925-1-git-send-email-jcmvbkbc@gmail.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4010:c07::244 Subject: [Qemu-devel] [PATCH 13/16] target/xtensa: implement salt/saltu X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Max Filippov , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" SALT/SALTU are recent additions to the core Xtensa ISA that do signed/unsigned setcond. Signed-off-by: Max Filippov --- target/xtensa/translate.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c index f644d9fed22a..da1f712badc7 100644 --- a/target/xtensa/translate.c +++ b/target/xtensa/translate.c @@ -2199,6 +2199,16 @@ static void translate_s32e(DisasContext *dc, const uint32_t arg[], } } +static void translate_salt(DisasContext *dc, const uint32_t arg[], + const uint32_t par[]) +{ + if (gen_window_check3(dc, arg[0], arg[1], arg[2])) { + tcg_gen_setcond_i32(par[0], + cpu_R[arg[0]], + cpu_R[arg[1]], cpu_R[arg[2]]); + } +} + static void translate_sext(DisasContext *dc, const uint32_t arg[], const uint32_t par[]) { @@ -3667,6 +3677,14 @@ static const XtensaOpcodeOps core_ops[] = { .translate = translate_ldst, .par = (const uint32_t[]){MO_UB, false, true}, }, { + .name = "salt", + .translate = translate_salt, + .par = (const uint32_t[]){TCG_COND_LT}, + }, { + .name = "saltu", + .translate = translate_salt, + .par = (const uint32_t[]){TCG_COND_LTU}, + }, { .name = "sext", .translate = translate_sext, }, {