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Wed, 15 Jul 2020 15:53:53 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 35DC04C058; Wed, 15 Jul 2020 15:53:53 +0000 (GMT) Received: from m8345017.lnxne.boe (unknown [9.152.108.100]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Wed, 15 Jul 2020 15:53:53 +0000 (GMT) To: gcc-patches@gcc.gnu.org, krebbel@linux.ibm.com Subject: [PATCH 2/2] S/390: Emit vector alignment hints for z13 if AS accepts them Date: Wed, 15 Jul 2020 17:53:27 +0200 Message-Id: <20200715155327.3911845-3-stefansf@linux.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200715155327.3911845-1-stefansf@linux.ibm.com> References: <20200715155327.3911845-1-stefansf@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-15_12:2020-07-15, 2020-07-15 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=9 impostorscore=0 mlxscore=0 bulkscore=0 adultscore=0 malwarescore=0 mlxlogscore=999 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007150124 X-Spam-Status: No, score=-12.3 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, 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" gcc/ChangeLog: * config.in: Regenerate. * config/s390/s390.c (print_operand): Emit vector alignment hints for target z13, if AS accepts them. For other targets the logic stays the same. * config/s390/s390.h (TARGET_VECTOR_LOADSTORE_ALIGNMENT_HINTS): Define macro. * configure: Regenerate. * configure.ac: Check HAVE_AS_VECTOR_LOADSTORE_ALIGNMENT_HINTS_ON_Z13. gcc/testsuite/ChangeLog: * gcc.target/s390/vector/align-1.c: Change target architecture to z13. * gcc.target/s390/vector/align-2.c: Change target architecture to z13. (cherry picked from commit 929fd91ba975eebf9e57f7f092041271dcaf0c34) (squashed with commit 87cb9423add08743d8bb3368f0af61ddc9572837) --- gcc/config.in | 7 +++++ gcc/config/s390/s390.c | 4 +-- gcc/config/s390/s390.h | 7 +++++ gcc/configure | 31 +++++++++++++++++++ gcc/configure.ac | 5 +++ .../gcc.target/s390/vector/align-1.c | 2 +- .../gcc.target/s390/vector/align-2.c | 2 +- 7 files changed, 53 insertions(+), 5 deletions(-) diff --git a/gcc/config.in b/gcc/config.in index 4924b8a0c32..051e6afb097 100644 --- a/gcc/config.in +++ b/gcc/config.in @@ -724,6 +724,13 @@ #endif +/* Define if your assembler supports vl/vst/vlm/vstm with an optional + alignment hint argument on z13. */ +#ifndef USED_FOR_TARGET +#undef HAVE_AS_VECTOR_LOADSTORE_ALIGNMENT_HINTS_ON_Z13 +#endif + + /* Define if your assembler supports VSX instructions. */ #ifndef USED_FOR_TARGET #undef HAVE_AS_VSX diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c index 5aff2084e1b..9057154be07 100644 --- a/gcc/config/s390/s390.c +++ b/gcc/config/s390/s390.c @@ -7737,15 +7737,13 @@ print_operand (FILE *file, rtx x, int code) switch (code) { case 'A': -#ifdef HAVE_AS_VECTOR_LOADSTORE_ALIGNMENT_HINTS - if (TARGET_ARCH12 && MEM_P (x)) + if (TARGET_VECTOR_LOADSTORE_ALIGNMENT_HINTS && MEM_P (x)) { if (MEM_ALIGN (x) >= 128) fprintf (file, ",4"); else if (MEM_ALIGN (x) == 64) fprintf (file, ",3"); } -#endif return; case 'C': fprintf (file, s390_branch_condition_mnemonic (x, FALSE)); diff --git a/gcc/config/s390/s390.h b/gcc/config/s390/s390.h index 71a12b8c92e..c5307755aa1 100644 --- a/gcc/config/s390/s390.h +++ b/gcc/config/s390/s390.h @@ -154,6 +154,13 @@ enum processor_flags (TARGET_VX && TARGET_CPU_VXE) #define TARGET_VXE_P(opts) \ (TARGET_VX_P (opts) && TARGET_CPU_VXE_P (opts)) +#if defined(HAVE_AS_VECTOR_LOADSTORE_ALIGNMENT_HINTS_ON_Z13) +#define TARGET_VECTOR_LOADSTORE_ALIGNMENT_HINTS TARGET_Z13 +#elif defined(HAVE_AS_VECTOR_LOADSTORE_ALIGNMENT_HINTS) +#define TARGET_VECTOR_LOADSTORE_ALIGNMENT_HINTS TARGET_ARCH12 +#else +#define TARGET_VECTOR_LOADSTORE_ALIGNMENT_HINTS 0 +#endif #ifdef HAVE_AS_MACHINE_MACHINEMODE #define S390_USE_TARGET_ATTRIBUTE 1 diff --git a/gcc/configure b/gcc/configure index 4dd81d24241..aa37763d6d4 100755 --- a/gcc/configure +++ b/gcc/configure @@ -27786,6 +27786,37 @@ if test $gcc_cv_as_s390_vector_loadstore_alignment_hints = yes; then $as_echo "#define HAVE_AS_VECTOR_LOADSTORE_ALIGNMENT_HINTS 1" >>confdefs.h +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for vector load/store alignment hints on z13" >&5 +$as_echo_n "checking assembler for vector load/store alignment hints on z13... " >&6; } +if ${gcc_cv_as_s390_vector_loadstore_alignment_hints_on_z13+:} false; then : + $as_echo_n "(cached) " >&6 +else + gcc_cv_as_s390_vector_loadstore_alignment_hints_on_z13=no + if test x$gcc_cv_as != x; then + $as_echo ' vl %v24,0(%r15),3 ' > conftest.s + if { ac_try='$gcc_cv_as $gcc_cv_as_flags -mzarch -march=z13 -o conftest.o conftest.s >&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } + then + gcc_cv_as_s390_vector_loadstore_alignment_hints_on_z13=yes + else + echo "configure: failed program was" >&5 + cat conftest.s >&5 + fi + rm -f conftest.o conftest.s + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_s390_vector_loadstore_alignment_hints_on_z13" >&5 +$as_echo "$gcc_cv_as_s390_vector_loadstore_alignment_hints_on_z13" >&6; } +if test $gcc_cv_as_s390_vector_loadstore_alignment_hints_on_z13 = yes; then + +$as_echo "#define HAVE_AS_VECTOR_LOADSTORE_ALIGNMENT_HINTS_ON_Z13 1" >>confdefs.h + fi diff --git a/gcc/configure.ac b/gcc/configure.ac index 6173a1c4f23..a3211db36c0 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -4883,6 +4883,11 @@ pointers into PC-relative form.]) [ vl %v24,0(%r15),3 ],, [AC_DEFINE(HAVE_AS_VECTOR_LOADSTORE_ALIGNMENT_HINTS, 1, [Define if your assembler supports vl/vst/vlm/vstm with an optional alignment hint argument.])]) + gcc_GAS_CHECK_FEATURE([vector load/store alignment hints on z13], + gcc_cv_as_s390_vector_loadstore_alignment_hints_on_z13,, [-mzarch -march=z13], + [ vl %v24,0(%r15),3 ],, + [AC_DEFINE(HAVE_AS_VECTOR_LOADSTORE_ALIGNMENT_HINTS_ON_Z13, 1, + [Define if your assembler supports vl/vst/vlm/vstm with an optional alignment hint argument on z13.])]) ;; esac diff --git a/gcc/testsuite/gcc.target/s390/vector/align-1.c b/gcc/testsuite/gcc.target/s390/vector/align-1.c index cc7777ad22a..6997af2ddcd 100644 --- a/gcc/testsuite/gcc.target/s390/vector/align-1.c +++ b/gcc/testsuite/gcc.target/s390/vector/align-1.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O3 -mzarch -march=z14" } */ +/* { dg-options "-O3 -mzarch -march=z13" } */ /* The user alignment ends up in DECL_ALIGN of the VAR_DECL and is currently ignored if it is smaller than the alignment of the type. diff --git a/gcc/testsuite/gcc.target/s390/vector/align-2.c b/gcc/testsuite/gcc.target/s390/vector/align-2.c index e4e2fba6a58..00e09d3eadb 100644 --- a/gcc/testsuite/gcc.target/s390/vector/align-2.c +++ b/gcc/testsuite/gcc.target/s390/vector/align-2.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O3 -mzarch -march=z14" } */ +/* { dg-options "-O3 -mzarch -march=z13" } */ /* The user alignment ends up in TYPE_ALIGN of the type of the VAR_DECL. */