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Tue, 20 Feb 2024 17:57:12 +0000 (GMT) Message-ID: <2618b501-35e5-4ea2-9425-245dd0df0b3c@linux.ibm.com> Date: Tue, 20 Feb 2024 09:57:12 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 06/11] rs6000, __builtin_vsx_xxpermdi_1ti add documentation, and test case Content-Language: en-US To: gcc-patches@gcc.gnu.org, "bergner@linux.ibm.com" , Segher Boessenkool , "Kewen.Lin" References: <41290fb1-e2e8-4779-b76f-2208c2dadedd@linux.ibm.com> From: Carl Love In-Reply-To: <41290fb1-e2e8-4779-b76f-2208c2dadedd@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: ZNRFwgIpSA9bLkuOriNEVPzE1nkuPbRn X-Proofpoint-GUID: ZNRFwgIpSA9bLkuOriNEVPzE1nkuPbRn X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-20_06,2024-02-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 adultscore=0 lowpriorityscore=0 mlxlogscore=999 impostorscore=0 phishscore=0 mlxscore=0 bulkscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402200129 X-Spam-Status: No, score=-9.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, RCVD_IN_MSPIKE_H3, 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 X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1791441679463835897 X-GMAIL-MSGID: 1791441679463835897 GCC maintainers: The patch adds documentation and test case for the __builtin_vsx_xxpermdi_1ti built-in. The patch has been tested on Power 10 with no regressions. Please let me know if this patch is acceptable for mainline. Thanks. Carl ------------------------------------------------------------ rs6000, __builtin_vsx_xxpermdi_1ti add documentation and test case Add documentation to the extend.texi file for the __builtin_vsx_xxpermdi_1ti built-in. Add test cases for the __builtin_vsx_xxpermdi_1ti built-in. gcc/ChangeLog: * doc/extend.texi (__builtin_vsx_xxpermdi_1ti): Add documentation. gcc/testsuite/ChangeLog: * gcc.target/powerpc/vsx-builtin-runnable-3.c: New test case. --- gcc/doc/extend.texi | 7 +++ .../powerpc/vsx-builtin-runnable-3.c | 48 +++++++++++++++++++ 2 files changed, 55 insertions(+) create mode 100644 gcc/testsuite/gcc.target/powerpc/vsx-builtin-runnable-3.c diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 83eed9e334b..22f67ebab31 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -21508,6 +21508,13 @@ vector __int128 __builtin_vsx_xxpermdi_1ti (vector __int128, vector __int128, const int); @end smallexample + +The @code{__builtin_vsx_xxpermdi_1ti} Let srcA[127:0] be the 128-bit first +argument and srcB[127:0] be the 128-bit second argument. Let sel[1:0] be the +least significant bits of the const int argument (third input argument). The +result bits [127:64] is srcB[127:64] if sel[1] = 0, srcB[63:0] otherwise. The +result bits [63:0] is srcA[127:64] if sel[0] = 0, srcA[63:0] otherwise. + @node Basic PowerPC Built-in Functions Available on ISA 2.07 @subsubsection Basic PowerPC Built-in Functions Available on ISA 2.07 diff --git a/gcc/testsuite/gcc.target/powerpc/vsx-builtin-runnable-3.c b/gcc/testsuite/gcc.target/powerpc/vsx-builtin-runnable-3.c new file mode 100644 index 00000000000..ba287597cec --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/vsx-builtin-runnable-3.c @@ -0,0 +1,48 @@ +/* { dg-do run { target { lp64 } } } */ +/* { dg-require-effective-target powerpc_vsx_ok } */ +/* { dg-options "-O2 -mdejagnu-cpu=power7" } */ + +#include + +#define DEBUG 0 + +#if DEBUG +#include +#include +#endif + +void abort (void); + +int main () +{ + int i; + + vector signed __int128 vsq_arg1, vsq_arg2, vsq_result, vsq_expected_result; + + vsq_arg1[0] = (__int128) 0xFFFF0000FFFF0000; + vsq_arg1[0] = vsq_arg1[0] << 64 | (__int128) 0xFFFF0000FFFF; + vsq_arg2[0] = (__int128) 0x1100110011001100; + vsq_arg2[0] = (vsq_arg2[0] << 64) | (__int128) 0x1111000011110000; + + vsq_expected_result[0] = (__int128) 0x1111000011110000; + vsq_expected_result[0] = (vsq_expected_result[0] << 64) + | (__int128) 0xFFFF0000FFFF0000; + + vsq_result = __builtin_vsx_xxpermdi_1ti (vsq_arg1, vsq_arg2, 2); + + if (vsq_result[0] != vsq_expected_result[0]) + { +#if DEBUG + printf("ERROR, __builtin_vsx_xxpermdi_1ti: vsq_result = 0x%016llx %016llx\n", + (unsigned long long) (vsq_result[0] >> 64), + (unsigned long long) vsq_result[0]); + printf(" vsq_expected_resultd = 0x%016llx %016llx\n", + (unsigned long long)(vsq_expected_result[0] >> 64), + (unsigned long long) vsq_expected_result[0]); +#else + abort(); +#endif + } + + return 0; +}