From nobody Thu Nov 6 10:23:03 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1540214094516763.3051896642639; Mon, 22 Oct 2018 06:14:54 -0700 (PDT) Received: from localhost ([::1]:34984 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gEa2m-0007wZ-Rf for importer@patchew.org; Mon, 22 Oct 2018 09:14:52 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46018) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gEZmp-0000Ba-IQ for qemu-devel@nongnu.org; Mon, 22 Oct 2018 08:58:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gEZmn-0008BK-BL for qemu-devel@nongnu.org; Mon, 22 Oct 2018 08:58:23 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:33440 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gEZmk-00084i-Hh for qemu-devel@nongnu.org; Mon, 22 Oct 2018 08:58:18 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 68AD61A245B; Mon, 22 Oct 2018 14:58:04 +0200 (CEST) Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.13.43]) by mail.rt-rk.com (Postfix) with ESMTPSA id 1F4E21A244C; Mon, 22 Oct 2018 14:58:04 +0200 (CEST) X-Virus-Scanned: amavisd-new at rt-rk.com From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Mon, 22 Oct 2018 14:57:46 +0200 Message-Id: <1540213077-15211-24-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1540213077-15211-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1540213077-15211-1-git-send-email-aleksandar.markovic@rt-rk.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 89.216.37.149 Subject: [Qemu-devel] [PULL 23/34] tests/tcg/mips: Test R5900 three-operand MULT 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: peter.maydell@linaro.org, amarkovic@wavecomp.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Fredrik Noring Add a test for MULT. Reviewed-by: Aleksandar Markovic Signed-off-by: Fredrik Noring Signed-off-by: Aleksandar Markovic --- tests/tcg/mips/mipsr5900/Makefile | 25 +++++++++++++++++++++ tests/tcg/mips/mipsr5900/mult.c | 47 +++++++++++++++++++++++++++++++++++= ++++ 2 files changed, 72 insertions(+) create mode 100644 tests/tcg/mips/mipsr5900/Makefile create mode 100644 tests/tcg/mips/mipsr5900/mult.c diff --git a/tests/tcg/mips/mipsr5900/Makefile b/tests/tcg/mips/mipsr5900/M= akefile new file mode 100644 index 0000000..6757168 --- /dev/null +++ b/tests/tcg/mips/mipsr5900/Makefile @@ -0,0 +1,25 @@ +-include ../../config-host.mak + +CROSS=3Dmipsr5900el-unknown-linux-gnu- + +SIM=3Dqemu-mipsel +SIM_FLAGS=3D-cpu R5900 + +CC =3D $(CROSS)gcc +CFLAGS =3D -Wall -mabi=3D32 -march=3Dr5900 -static + +TESTCASES =3D mult.tst + +all: $(TESTCASES) + +%.tst: %.c + $(CC) $(CFLAGS) $< -o $@ + +check: $(TESTCASES) + @for case in $(TESTCASES); do \ + echo $(SIM) $(SIM_FLAGS) ./$$case;\ + $(SIM) $(SIM_FLAGS) ./$$case; \ + done + +clean: + $(RM) -rf $(TESTCASES) diff --git a/tests/tcg/mips/mipsr5900/mult.c b/tests/tcg/mips/mipsr5900/mul= t.c new file mode 100644 index 0000000..2c0c16d --- /dev/null +++ b/tests/tcg/mips/mipsr5900/mult.c @@ -0,0 +1,47 @@ +/* + * Test R5900-specific three-operand MULT. + */ + +#include +#include +#include + +static int64_t mult(int32_t rs, int32_t rt) +{ + int32_t rd, lo, hi; + int64_t r; + + __asm__ __volatile__ ( + " mult %0, %3, %4\n" + " mflo %1\n" + " mfhi %2\n" + : "=3Dr" (rd), "=3Dr" (lo), "=3Dr" (hi) + : "r" (rs), "r" (rt)); + r =3D ((int64_t)hi << 32) | (uint32_t)lo; + + assert((int64_t)rs * rt =3D=3D r); + assert(rd =3D=3D lo); + + return r; +} + +static void verify_mult_negations(int32_t rs, int32_t rt, int64_t expected) +{ + assert(mult(rs, rt) =3D=3D expected); + assert(mult(-rs, rt) =3D=3D -expected); + assert(mult(rs, -rt) =3D=3D -expected); + assert(mult(-rs, -rt) =3D=3D expected); +} + +int main() +{ + verify_mult_negations(17, 19, 323); + verify_mult_negations(77773, 99991, 7776600043); + verify_mult_negations(12207031, 305175781, 3725290219116211); + + assert(mult(-0x80000000, 0x7FFFFFFF) =3D=3D -0x3FFFFFFF80000000); + assert(mult(-0x80000000, -0x7FFFFFFF) =3D=3D 0x3FFFFFFF80000000); + assert(mult(-0x80000000, -0x80000000) =3D=3D 0x4000000000000000); + + return 0; +} --=20 2.7.4