97 lines
3.0 KiB
Diff
97 lines
3.0 KiB
Diff
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2019-03-20 Jakub Jelinek <jakub@redhat.com>
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PR target/89752
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* lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
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update this_alternative nor this_alternative_set.
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* g++.target/aarch64/aarch64.exp: New file.
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* g++.target/aarch64/pr89752.C: New test.
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Index: gcc/testsuite/g++.target/aarch64/pr89752.C
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===================================================================
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--- gcc/testsuite/g++.target/aarch64/pr89752.C (nonexistent)
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+++ gcc/testsuite/g++.target/aarch64/pr89752.C (revision 269819)
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@@ -0,0 +1,11 @@
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+// PR target/89752
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+// { dg-do compile }
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+
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+struct A { A (); ~A (); short c; };
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+
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+void
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+foo ()
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+{
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+ A a0, a1;
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+ __asm volatile ("" : "=rm" (a0), "=rm" (a1) : "0" (a0), "1" (a1)); // { dg-error "inconsistent operand constraints in an 'asm'" }
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+}
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Index: gcc/testsuite/g++.target/aarch64/aarch64.exp
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===================================================================
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--- gcc/testsuite/g++.target/aarch64/aarch64.exp (nonexistent)
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+++ gcc/testsuite/g++.target/aarch64/aarch64.exp (revision 269819)
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@@ -0,0 +1,44 @@
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+# Specific regression driver for AArch64.
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+# Copyright (C) 2009-2019 Free Software Foundation, Inc.
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+#
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+# This file is part of GCC.
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+#
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+# GCC is free software; you can redistribute it and/or modify it
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+# under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 3, or (at your option)
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+# any later version.
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+#
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+# GCC is distributed in the hope that it will be useful, but
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+# WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+# General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with GCC; see the file COPYING3. If not see
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+# <http://www.gnu.org/licenses/>. */
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+
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+# GCC testsuite that uses the `dg.exp' driver.
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+
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+# Exit immediately if this isn't an AArch64 target.
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+if {![istarget aarch64*-*-*] } then {
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+ return
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+}
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+
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+# Load support procs.
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+load_lib g++-dg.exp
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+
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+global DEFAULT_CXXFLAGS
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+if ![info exists DEFAULT_CXXFLAGS] then {
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+ set DEFAULT_CXXFLAGS " -pedantic-errors"
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+}
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+
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+# Initialize `dg'.
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+dg-init
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+
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+# Main loop.
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+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.C]] \
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+ "" $DEFAULT_CXXFLAGS
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+
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+# All done.
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+dg-finish
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+
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Index: gcc/lra-constraints.c
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===================================================================
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--- gcc/lra-constraints.c (revision 269818)
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+++ gcc/lra-constraints.c (revision 269819)
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@@ -2350,6 +2350,8 @@ process_alt_operands (int only_alternati
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break;
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reg:
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+ if (mode == BLKmode)
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+ break;
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this_alternative = reg_class_subunion[this_alternative][cl];
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IOR_HARD_REG_SET (this_alternative_set,
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reg_class_contents[cl]);
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@@ -2360,8 +2362,6 @@ process_alt_operands (int only_alternati
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IOR_HARD_REG_SET (this_costly_alternative_set,
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reg_class_contents[cl]);
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}
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- if (mode == BLKmode)
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- break;
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winreg = true;
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if (REG_P (op))
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{
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