From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 33BD2C7618A for ; Mon, 20 Mar 2023 13:05:18 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1peFB7-0001FX-Lr; Mon, 20 Mar 2023 09:03:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1peFB1-0001DY-OT for qemu-devel@nongnu.org; Mon, 20 Mar 2023 09:03:53 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1peFAz-0006DK-K3 for qemu-devel@nongnu.org; Mon, 20 Mar 2023 09:03:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1679317429; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mBRy9jZNk9E2rGCfhCf4kQdgO2FvGr4J9VZSGzo4vio=; b=FhCAUnj8gwgiOjT84b78jqmnQUHhMtypK3ZwuK02V5wGJ+06vHs/VK7JZ2/BLPaSCfp+3A 2vz2Yc7ZpUjkclgJ9xcO7IR7/KQeIdt8WYfLEs68vmCkuvpk8FzxjabJ9xewDvTECUpBnD FdEFAjJVF1www6NzvMKzw49g3CM2d6Q= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-533-xGR1lpnoMES8HSrPu574lA-1; Mon, 20 Mar 2023 09:03:43 -0400 X-MC-Unique: xGR1lpnoMES8HSrPu574lA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id AF9C83C16EA3; Mon, 20 Mar 2023 13:03:42 +0000 (UTC) Received: from thuth.com (unknown [10.39.193.77]) by smtp.corp.redhat.com (Postfix) with ESMTP id A8041C15BA0; Mon, 20 Mar 2023 13:03:41 +0000 (UTC) From: Thomas Huth To: Peter Maydell , qemu-devel@nongnu.org Cc: Ilya Leoshkevich , Richard Henderson , Nina Schoetterl-Glausch Subject: [PULL 08/24] tests/tcg/s390x: Add ex-relative-long.c Date: Mon, 20 Mar 2023 14:03:14 +0100 Message-Id: <20230320130330.406378-9-thuth@redhat.com> In-Reply-To: <20230320130330.406378-1-thuth@redhat.com> References: <20230320130330.406378-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Received-SPF: pass client-ip=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Ilya Leoshkevich Test EXECUTE and EXECUTE RELATIVE LONG with relative long instructions as targets. Signed-off-by: Ilya Leoshkevich Reviewed-by: Richard Henderson Reviewed-by: Nina Schoetterl-Glausch Message-Id: <20230316210751.302423-3-iii@linux.ibm.com> Signed-off-by: Thomas Huth --- tests/tcg/s390x/ex-relative-long.c | 156 +++++++++++++++++++++++++++++ tests/tcg/s390x/Makefile.target | 1 + 2 files changed, 157 insertions(+) create mode 100644 tests/tcg/s390x/ex-relative-long.c diff --git a/tests/tcg/s390x/ex-relative-long.c b/tests/tcg/s390x/ex-relative-long.c new file mode 100644 index 0000000000..21fbef6258 --- /dev/null +++ b/tests/tcg/s390x/ex-relative-long.c @@ -0,0 +1,156 @@ +/* Check EXECUTE with relative long instructions as targets. */ +#include +#include + +struct test { + const char *name; + long (*func)(long reg, long *cc); + long exp_reg; + long exp_mem; + long exp_cc; +}; + +/* + * Each test sets the MEM_IDXth element of the mem array to MEM and uses a + * single relative long instruction on it. The other elements remain zero. + * This is in order to prevent stumbling upon MEM in random memory in case + * there is an off-by-a-small-value bug. + * + * Note that while gcc supports the ZL constraint for relative long operands, + * clang doesn't, so the assembly code accesses mem[MEM_IDX] using MEM_ASM. + */ +static long mem[0x1000]; +#define MEM_IDX 0x800 +#define MEM_ASM "mem+0x800*8" + +/* Initial %r2 value. */ +#define REG 0x1234567887654321 + +/* Initial mem[MEM_IDX] value. */ +#define MEM 0xfedcba9889abcdef + +/* Initial cc value. */ +#define CC 0 + +/* Relative long instructions and their expected effects. */ +#define FOR_EACH_INSN(F) \ + F(cgfrl, REG, MEM, 2) \ + F(cghrl, REG, MEM, 2) \ + F(cgrl, REG, MEM, 2) \ + F(chrl, REG, MEM, 1) \ + F(clgfrl, REG, MEM, 2) \ + F(clghrl, REG, MEM, 2) \ + F(clgrl, REG, MEM, 1) \ + F(clhrl, REG, MEM, 2) \ + F(clrl, REG, MEM, 1) \ + F(crl, REG, MEM, 1) \ + F(larl, (long)&mem[MEM_IDX], MEM, CC) \ + F(lgfrl, 0xfffffffffedcba98, MEM, CC) \ + F(lghrl, 0xfffffffffffffedc, MEM, CC) \ + F(lgrl, MEM, MEM, CC) \ + F(lhrl, 0x12345678fffffedc, MEM, CC) \ + F(llghrl, 0x000000000000fedc, MEM, CC) \ + F(llhrl, 0x123456780000fedc, MEM, CC) \ + F(lrl, 0x12345678fedcba98, MEM, CC) \ + F(stgrl, REG, REG, CC) \ + F(sthrl, REG, 0x4321ba9889abcdef, CC) \ + F(strl, REG, 0x8765432189abcdef, CC) + +/* Test functions. */ +#define DEFINE_EX_TEST(insn, exp_reg, exp_mem, exp_cc) \ + static long test_ex_ ## insn(long reg, long *cc) \ + { \ + register long r2 asm("r2"); \ + char mask = 0x20; /* make target use %r2 */ \ + long pm, target; \ + \ + r2 = reg; \ + asm("larl %[target],0f\n" \ + "cr %%r0,%%r0\n" /* initial cc */ \ + "ex %[mask],0(%[target])\n" \ + "jg 1f\n" \ + "0: " #insn " %%r0," MEM_ASM "\n" \ + "1: ipm %[pm]\n" \ + : [target] "=&a" (target), [r2] "+r" (r2), [pm] "=r" (pm) \ + : [mask] "a" (mask) \ + : "cc", "memory"); \ + reg = r2; \ + *cc = (pm >> 28) & 3; \ + \ + return reg; \ + } + +#define DEFINE_EXRL_TEST(insn, exp_reg, exp_mem, exp_cc) \ + static long test_exrl_ ## insn(long reg, long *cc) \ + { \ + register long r2 asm("r2"); \ + char mask = 0x20; /* make target use %r2 */ \ + long pm; \ + \ + r2 = reg; \ + asm("cr %%r0,%%r0\n" /* initial cc */ \ + "exrl %[mask],0f\n" \ + "jg 1f\n" \ + "0: " #insn " %%r0," MEM_ASM "\n" \ + "1: ipm %[pm]\n" \ + : [r2] "+r" (r2), [pm] "=r" (pm) \ + : [mask] "a" (mask) \ + : "cc", "memory"); \ + reg = r2; \ + *cc = (pm >> 28) & 3; \ + \ + return reg; \ + } + +FOR_EACH_INSN(DEFINE_EX_TEST) +FOR_EACH_INSN(DEFINE_EXRL_TEST) + +/* Test definitions. */ +#define REGISTER_EX_EXRL_TEST(ex_insn, insn, _exp_reg, _exp_mem, _exp_cc) \ + { \ + .name = #ex_insn " " #insn, \ + .func = test_ ## ex_insn ## _ ## insn, \ + .exp_reg = (_exp_reg), \ + .exp_mem = (_exp_mem), \ + .exp_cc = (_exp_cc), \ + }, + +#define REGISTER_EX_TEST(insn, exp_reg, exp_mem, exp_cc) \ + REGISTER_EX_EXRL_TEST(ex, insn, exp_reg, exp_mem, exp_cc) + +#define REGISTER_EXRL_TEST(insn, exp_reg, exp_mem, exp_cc) \ + REGISTER_EX_EXRL_TEST(exrl, insn, exp_reg, exp_mem, exp_cc) + +static const struct test tests[] = { + FOR_EACH_INSN(REGISTER_EX_TEST) + FOR_EACH_INSN(REGISTER_EXRL_TEST) +}; + +/* Loop over all tests and run them. */ +int main(void) +{ + const struct test *test; + int ret = EXIT_SUCCESS; + long reg, cc; + size_t i; + + for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) { + test = &tests[i]; + mem[MEM_IDX] = MEM; + cc = -1; + reg = test->func(REG, &cc); +#define ASSERT_EQ(expected, actual) do { \ + if (expected != actual) { \ + fprintf(stderr, "%s: " #expected " (0x%lx) != " #actual " (0x%lx)\n", \ + test->name, expected, actual); \ + ret = EXIT_FAILURE; \ + } \ +} while (0) + ASSERT_EQ(test->exp_reg, reg); + ASSERT_EQ(test->exp_mem, mem[MEM_IDX]); + ASSERT_EQ(test->exp_cc, cc); +#undef ASSERT_EQ + } + + return ret; +} diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 3c940ac952..510bbd9b28 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -30,6 +30,7 @@ TESTS+=long-double TESTS+=cdsg TESTS+=chrl TESTS+=rxsbg +TESTS+=ex-relative-long cdsg: CFLAGS+=-pthread cdsg: LDFLAGS+=-pthread -- 2.31.1