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Mon, 20 Nov 2023 14:06:39 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 20 Nov 2023 14:06:39 +0000 (GMT) From: Jens Remus To: binutils@sourceware.org Cc: Jens Remus , Andreas Krebbel Subject: [PATCH 2/6] s390: Add brasl edge test cases from ESA to z/Architecture Date: Mon, 20 Nov 2023 15:06:31 +0100 Message-Id: <20231120140635.3642601-3-jremus@linux.ibm.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231120140635.3642601-1-jremus@linux.ibm.com> References: <20231120140635.3642601-1-jremus@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: AFOoab5FqPUE21fq5tgSe_pmrGNtTpLI X-Proofpoint-ORIG-GUID: AFOoab5FqPUE21fq5tgSe_pmrGNtTpLI X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-20_13,2023-11-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 spamscore=0 phishscore=0 bulkscore=0 suspectscore=0 mlxscore=0 priorityscore=1501 mlxlogscore=879 lowpriorityscore=0 clxscore=1015 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311200098 X-Spam-Status: No, score=-10.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,GIT_PATCH_0,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: The ESA opcode test cases for IBM z900 contain a few edge cases. They exercise the brasl mnemonic with its largest allowed negative and positive offsets. Linux on zSeries in ESA mode executes in 31-bit addressing mode. Therefore the ESA test cases are assembled with -m31. In 31-bit addressing mode the address computation using those large offsets wraps, which is correctly reflected in the disassembly. Linux on Z in z/Architecture mode executes in 64-bit addressing mode. Therefore the z/Architecture (zarch) test cases are assembled with -m64. In 64-bit addressing mode the address computation using those large offsets does not necessarily wrap. gas/ * testsuite/gas/s390/zarch-z900.s: Add brasl tests from ESA that exercise edge cases. * testsuite/gas/s390/zarch-z900.d: Likewise. Signed-off-by: Jens Remus Reviewed-by: Andreas Krebbel --- gas/testsuite/gas/s390/zarch-z900.d | 6 ++++++ gas/testsuite/gas/s390/zarch-z900.s | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/gas/testsuite/gas/s390/zarch-z900.d b/gas/testsuite/gas/s390/zarch-z900.d index 2848dc1eb7c..93aee212785 100644 --- a/gas/testsuite/gas/s390/zarch-z900.d +++ b/gas/testsuite/gas/s390/zarch-z900.d @@ -149,4 +149,10 @@ Disassembly of section .text: .*: eb 96 5f ff 00 0f [ ]*tracg %r9,%r6,4095\(%r5\) .*: e3 95 af ff 00 82 [ ]*xg %r9,4095\(%r5,%r10\) .*: b9 82 00 96 [ ]*xgr %r9,%r6 + *([\da-f]+): c0 65 00 00 00 00 [ ]*brasl %r6,\1 + *([\da-f]+): c0 65 00 00 00 00 [ ]*brasl %r6,\1 + *([\da-f]+): c0 65 80 00 00 00 [ ]*brasl %r6,ffffffff0+\1 + *([\da-f]+): c0 65 80 00 00 00 [ ]*brasl %r6,ffffffff0+\1 +.*: c0 65 7f ff ff ff [ ]*brasl %r6,1000002d0 +.*: c0 65 7f ff ff ff [ ]*brasl %r6,1000002d6 .*: 07 07 [ ]*nopr %r7 diff --git a/gas/testsuite/gas/s390/zarch-z900.s b/gas/testsuite/gas/s390/zarch-z900.s index 96d27e7b7e2..22fa1da5a30 100644 --- a/gas/testsuite/gas/s390/zarch-z900.s +++ b/gas/testsuite/gas/s390/zarch-z900.s @@ -143,3 +143,9 @@ foo: tracg %r9,%r6,4095(%r5) xg %r9,4095(%r5,%r10) xgr %r9,%r6 + brasl %r6,. + jasl %r6,. + brasl %r6,.-0x100000000 + jasl %r6,.-0x100000000 + brasl %r6,.+0xfffffffe + jasl %r6,.+0xfffffffe -- 2.39.2