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Content-Language: en-US To: Michael Meissner References: Cc: gcc-patches@gcc.gnu.org, Segher Boessenkool , David Edelsohn , Peter Bergner From: "Kewen.Lin" In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: kOzcjhvc1O72PykZAmyGFFRY2U-HHyIR X-Proofpoint-GUID: u7npQF5E6LSy32YgueXLFEHx5uY1YqeY 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=2024-01-23_03,2024-01-23_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 suspectscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 clxscore=1015 mlxlogscore=999 spamscore=0 adultscore=0 bulkscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401230064 X-Spam-Status: No, score=-13.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,GIT_PATCH_0,NICE_REPLY_A,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: on 2024/1/6 07:37, Michael Meissner wrote: > This patch re-enables generating load and store vector pair instructions when > doing certain memory copy operations when -mcpu=future is used. > > During power10 development, it was determined that using store vector pair > instructions were problematical in a few cases, so we disabled generating load > and store vector pair instructions for memory options by default. This patch > re-enables generating these instructions if -mcpu=future is used. > > The patches have been tested on both little and big endian systems. Can I check > it into the master branch? > > 2024-01-05 Michael Meissner > > gcc/ > > * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS): Add > -mblock-ops-vector-pair. Nit: s/-mblock-ops-vector-pair/OPTION_MASK_BLOCK_OPS_VECTOR_PAIR/ > (POWERPC_MASKS): Likewise. > --- > gcc/config/rs6000/rs6000-cpus.def | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/gcc/config/rs6000/rs6000-cpus.def b/gcc/config/rs6000/rs6000-cpus.def > index 8754635f3d9..b6cd6d8cc84 100644 > --- a/gcc/config/rs6000/rs6000-cpus.def > +++ b/gcc/config/rs6000/rs6000-cpus.def > @@ -90,6 +90,7 @@ > > /* Flags for a potential future processor that may or may not be delivered. */ > #define ISA_FUTURE_MASKS (ISA_3_1_MASKS_SERVER \ > + | OPTION_MASK_BLOCK_OPS_VECTOR_PAIR \ > | OPTION_MASK_FUTURE) OK with incorporating change s/ISA_FUTURE_MASKS/ISA_FUTURE_MASKS_SERVER/. Thanks! BR, Kewen > > /* Flags that need to be turned off if -mno-power9-vector. */ > @@ -127,6 +128,7 @@ > > /* Mask of all options to set the default isa flags based on -mcpu=. */ > #define POWERPC_MASKS (OPTION_MASK_ALTIVEC \ > + | OPTION_MASK_BLOCK_OPS_VECTOR_PAIR \ > | OPTION_MASK_CMPB \ > | OPTION_MASK_CRYPTO \ > | OPTION_MASK_DFP \