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Mon, 12 Apr 2021 13:44:30 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 23C2CA405B; Mon, 12 Apr 2021 13:44:30 +0000 (GMT) Received: from t35lp57.lnxne.boe (unknown [9.152.108.100]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Mon, 12 Apr 2021 13:44:30 +0000 (GMT) To: krebbel@linux.ibm.com, gcc-patches@gcc.gnu.org Subject: [PATCH] IBM Z: Add alternative to *movdi_{31, 64} in order to load a DFP zero Date: Mon, 12 Apr 2021 15:40:30 +0200 Message-Id: <20210412134029.789314-1-stefansf@linux.ibm.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: f2oNaHjpwBIDhnhCin7n2Pivd7OZ53Jn X-Proofpoint-GUID: f2oNaHjpwBIDhnhCin7n2Pivd7OZ53Jn X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-04-12_10:2021-04-12, 2021-04-12 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 spamscore=0 bulkscore=0 adultscore=0 phishscore=0 mlxscore=0 lowpriorityscore=0 priorityscore=1501 mlxlogscore=999 malwarescore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104120091 X-Spam-Status: No, score=-9.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Stefan Schulze Frielinghaus via Gcc-patches From: Stefan Schulze Frielinghaus Reply-To: Stefan Schulze Frielinghaus Errors-To: gcc-patches-bounces@gcc.gnu.org Sender: "Gcc-patches" Bootstraped and regtested on IBM Z. Ok for mainline? gcc/ChangeLog: * config/s390/s390.md ("*movdi_31", "*movdi_64"): Add alternative in order to load a DFP zero. --- gcc/config/s390/s390.md | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) diff --git a/gcc/config/s390/s390.md b/gcc/config/s390/s390.md index c10f25b2472..7faf775fbf2 100644 --- a/gcc/config/s390/s390.md +++ b/gcc/config/s390/s390.md @@ -1868,9 +1868,9 @@ (define_insn "*movdi_64" [(set (match_operand:DI 0 "nonimmediate_operand" - "=d, d, d, d, d, d, d, d,f,d,d,d,d,d,T,!*f,!*f,!*f,!R,!T,b,Q,d,t,Q,t,v,v,v,d,v,R,d") + "=d, d, d, d, d, d, d, d,f,d,!*f,d,d,d,d,T,!*f,!*f,!*f,!R,!T,b,Q,d,t,Q,t,v,v,v,d,v,R,d") (match_operand:DI 1 "general_operand" - " K,N0HD0,N1HD0,N2HD0,N3HD0,Os,N0SD0,N1SD0,d,f,L,b,d,T,d, *f, R, T,*f,*f,d,K,t,d,t,Q,K,v,d,v,R,v,ZL"))] + " K,N0HD0,N1HD0,N2HD0,N3HD0,Os,N0SD0,N1SD0,d,f,j00,L,b,d,T,d, *f, R, T,*f,*f,d,K,t,d,t,Q,K,v,d,v,R,v,ZL"))] "TARGET_ZARCH" "@ lghi\t%0,%h1 @@ -1883,6 +1883,7 @@ llilf\t%0,%k1 ldgr\t%0,%1 lgdr\t%0,%1 + lzdr\t%0 lay\t%0,%a1 lgrl\t%0,%1 lgr\t%0,%1 @@ -1906,13 +1907,13 @@ vleg\t%v0,%1,0 vsteg\t%v1,%0,0 larl\t%0,%1" - [(set_attr "op_type" "RI,RI,RI,RI,RI,RIL,RIL,RIL,RRE,RRE,RXY,RIL,RRE,RXY, + [(set_attr "op_type" "RI,RI,RI,RI,RI,RIL,RIL,RIL,RRE,RRE,RRE,RXY,RIL,RRE,RXY, RXY,RR,RX,RXY,RX,RXY,RIL,SIL,*,*,RS,RS,VRI,VRR,VRS,VRS, VRX,VRX,RIL") - (set_attr "type" "*,*,*,*,*,*,*,*,floaddf,floaddf,la,larl,lr,load,store, + (set_attr "type" "*,*,*,*,*,*,*,*,floaddf,floaddf,fsimpdf,la,larl,lr,load,store, floaddf,floaddf,floaddf,fstoredf,fstoredf,larl,*,*,*,*, *,*,*,*,*,*,*,larl") - (set_attr "cpu_facility" "*,*,*,*,*,extimm,extimm,extimm,dfp,dfp,longdisp, + (set_attr "cpu_facility" "*,*,*,*,*,extimm,extimm,extimm,dfp,dfp,*,longdisp, z10,*,*,*,*,*,longdisp,*,longdisp, z10,z10,*,*,*,*,vx,vx,vx,vx,vx,vx,*") (set_attr "z10prop" "z10_fwd_A1, @@ -1925,6 +1926,7 @@ z10_fwd_E1, *, *, + *, z10_fwd_A1, z10_fwd_A3, z10_fr_E1, @@ -1942,7 +1944,7 @@ *, *,*,*,*,*,*,*, z10_super_A1") - (set_attr "relative_long" "*,*,*,*,*,*,*,*,*,*, + (set_attr "relative_long" "*,*,*,*,*,*,*,*,*,*,*, *,yes,*,*,*,*,*,*,*,*, yes,*,*,*,*,*,*,*,*,*, *,*,yes") @@ -2002,9 +2004,9 @@ (define_insn "*movdi_31" [(set (match_operand:DI 0 "nonimmediate_operand" - "=d,d,Q,S,d ,o,!*f,!*f,!*f,!R,!T,d") + "=d,d,Q,S,d ,o,!*f,!*f,!*f,!*f,!R,!T,d") (match_operand:DI 1 "general_operand" - " Q,S,d,d,dPT,d, *f, R, T,*f,*f,b"))] + " Q,S,d,d,dPT,d, *f, R, T,j00,*f,*f,b"))] "!TARGET_ZARCH" "@ lm\t%0,%N0,%S1 @@ -2016,12 +2018,13 @@ ldr\t%0,%1 ld\t%0,%1 ldy\t%0,%1 + lzdr\t%0 std\t%1,%0 stdy\t%1,%0 #" - [(set_attr "op_type" "RS,RSY,RS,RSY,*,*,RR,RX,RXY,RX,RXY,*") - (set_attr "type" "lm,lm,stm,stm,*,*,floaddf,floaddf,floaddf,fstoredf,fstoredf,*") - (set_attr "cpu_facility" "*,longdisp,*,longdisp,*,*,*,*,longdisp,*,longdisp,z10")]) + [(set_attr "op_type" "RS,RSY,RS,RSY,*,*,RR,RX,RXY,RRE,RX,RXY,*") + (set_attr "type" "lm,lm,stm,stm,*,*,floaddf,floaddf,floaddf,fsimpdf,fstoredf,fstoredf,*") + (set_attr "cpu_facility" "*,longdisp,*,longdisp,*,*,*,*,longdisp,*,*,longdisp,z10")]) ; For a load from a symbol ref we can use one of the target registers ; together with larl to load the address.