[src/trunk]: src enable the workarounds for cortex a53 errata 835769 and 8434...

[mrg <mrg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6296dfc30a6b
branches:  trunk
changeset: 449735:6296dfc30a6b
user:      mrg <mrg%NetBSD.org@localhost>
date:      Tue Mar 19 05:55:00 2019 +0000

description:
enable the workarounds for cortex a53 errata 835769 and 843419 by default.

diffstat:

 external/gpl3/gcc/lib/libstdc++-v3/arch/aarch64/gstdint.h |  4 ++--
 external/gpl3/gcc/usr.bin/gcc/arch/aarch64/configargs.h   |  2 +-
 external/gpl3/gcc/usr.bin/gcc/arch/aarch64/defs.mk        |  4 ++--
 external/gpl3/gcc/usr.bin/gcc/arch/aarch64/tm.h           |  8 +++++++-
 tools/gcc/Makefile                                        |  9 ++++++++-
 5 files changed, 20 insertions(+), 7 deletions(-)

diffs (91 lines):

diff -r 2599ba94be42 -r 6296dfc30a6b external/gpl3/gcc/lib/libstdc++-v3/arch/aarch64/gstdint.h
--- a/external/gpl3/gcc/lib/libstdc++-v3/arch/aarch64/gstdint.h Tue Mar 19 00:36:14 2019 +0000
+++ b/external/gpl3/gcc/lib/libstdc++-v3/arch/aarch64/gstdint.h Tue Mar 19 05:55:00 2019 +0000
@@ -1,8 +1,8 @@
 /* This file is automatically generated.  DO NOT EDIT! */
-/* Generated from: NetBSD: mknative-gcc,v 1.96 2019/01/19 20:02:06 mrg Exp  */
+/* Generated from: NetBSD: mknative-gcc,v 1.101 2019/02/23 06:54:45 mrg Exp  */
 /* Generated from: NetBSD: mknative.common,v 1.16 2018/04/15 15:13:37 christos Exp  */
 
-/* generated for  aarch64--netbsd-gcc (NetBSD nb1 20190119) 7.4.0 */
+/* generated for  aarch64--netbsd-gcc (NetBSD nb2 20190226) 7.4.0 */
 
 #ifndef GCC_GENERATED_STDINT_H
 #define GCC_GENERATED_STDINT_H 1
diff -r 2599ba94be42 -r 6296dfc30a6b external/gpl3/gcc/usr.bin/gcc/arch/aarch64/configargs.h
--- a/external/gpl3/gcc/usr.bin/gcc/arch/aarch64/configargs.h   Tue Mar 19 00:36:14 2019 +0000
+++ b/external/gpl3/gcc/usr.bin/gcc/arch/aarch64/configargs.h   Tue Mar 19 05:55:00 2019 +0000
@@ -3,7 +3,7 @@
 /* Generated from: NetBSD: mknative.common,v 1.16 2018/04/15 15:13:37 christos Exp  */
 
 /* Generated automatically. */
-static const char configuration_arguments[] = "/usr/src/tools/gcc/../../external/gpl3/gcc/dist/configure --target=aarch64--netbsd --enable-long-long --enable-threads 
--with-bugurl=http://www.NetBSD.org/Misc/send-pr.html --with-pkgversion='NetBSD nb1 20190119' --with-system-zlib --without-isl --enable-__cxa_atexit --enable-libstdcxx-time=rt 
--enable-libstdcxx-threads --with-diagnostics-color=auto-if-env --with-default-libstdcxx-abi=new --with-mpc-lib=/var/obj/mknative/evbarm-aarch64/usr/src/external/lgpl3/mpc/lib/libmpc 
--with-mpfr-lib=/var/obj/mknative/evbarm-aarch64/usr/src/external/lgpl3/mpfr/lib/libmpfr --with-gmp-lib=/var/obj/mknative/evbarm-aarch64/usr/src/external/lgpl3/gmp/lib/libgmp 
--with-mpc-include=/usr/src/external/lgpl3/mpc/dist/src --with-mpfr-include=/usr/src/external/lgpl3/mpfr/dist/src --with-gmp-include=/usr/src/external/lgpl3/gmp/lib/libgmp/arch/aarch64 --enable-tls 
--disable-multilib --disable-libstdcxx-pch --build=aarch64--netbsd --host=aarch64--netbsd --with-sysroot=/var/obj/mknative/evbarm-aarch64/usr/src/destdir.evbarm";
+static const char configuration_arguments[] = "/usr/src/tools/gcc/../../external/gpl3/gcc/dist/configure --target=aarch64--netbsd --enable-long-long --enable-threads 
--with-bugurl=http://www.NetBSD.org/Misc/send-pr.html --with-pkgversion='NetBSD nb2 20190226' --with-system-zlib --without-isl --enable-__cxa_atexit --enable-libstdcxx-time=rt 
--enable-libstdcxx-threads --with-diagnostics-color=auto-if-env --enable-fix-cortex-a53-835769 --enable-fix-cortex-a53-843419 --with-default-libstdcxx-abi=new 
--with-mpc-lib=/var/obj/mknative/evbarm-aarch64/usr/src/external/lgpl3/mpc/lib/libmpc --with-mpfr-lib=/var/obj/mknative/evbarm-aarch64/usr/src/external/lgpl3/mpfr/lib/libmpfr 
--with-gmp-lib=/var/obj/mknative/evbarm-aarch64/usr/src/external/lgpl3/gmp/lib/libgmp --with-mpc-include=/usr/src/external/lgpl3/mpc/dist/src --with-mpfr-include=/usr/src/external/lgpl3/mpfr/dist/src 
--with-gmp-include=/usr/src/external/lgpl3/gmp/lib/libgmp/arch/aarch64 --enable-tls --disable-multilib --disable-libstdcxx-pch --build=aarch64--netbsd --host=aarch64--netbsd 
--with-sysroot=/var/obj/mknative/evbarm-aarch64/usr/src/destdir.evbarm";
 static const char thread_model[] = "posix";
 
 static const struct {
diff -r 2599ba94be42 -r 6296dfc30a6b external/gpl3/gcc/usr.bin/gcc/arch/aarch64/defs.mk
--- a/external/gpl3/gcc/usr.bin/gcc/arch/aarch64/defs.mk        Tue Mar 19 00:36:14 2019 +0000
+++ b/external/gpl3/gcc/usr.bin/gcc/arch/aarch64/defs.mk        Tue Mar 19 05:55:00 2019 +0000
@@ -1,5 +1,5 @@
 # This file is automatically generated.  DO NOT EDIT!
-# Generated from: NetBSD: mknative-gcc,v 1.96 2019/01/19 20:02:06 mrg Exp 
+# Generated from: NetBSD: mknative-gcc,v 1.101 2019/02/23 06:54:45 mrg Exp 
 # Generated from: NetBSD: mknative.common,v 1.16 2018/04/15 15:13:37 christos Exp 
 #
 G_BUILD_EARLY_SUPPORT=
@@ -40,7 +40,7 @@
 G_GTFILES_LANG_DIR_NAMES=
 G_NOEXCEPTION_FLAGS=-fno-exceptions -fno-rtti -fasynchronous-unwind-tables
 G_NATIVE_SYSTEM_HEADER_DIR=/usr/include
-G_tm_defines=LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4 NETBSD_ENABLE_PTHREADS
+G_tm_defines=LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4 NETBSD_ENABLE_PTHREADS TARGET_FIX_ERR_A53_835769_DEFAULT=1 TARGET_FIX_ERR_A53_843419_DEFAULT=1
 G_host_xm_file=
 G_host_xm_defines=
 G_tm_p_file=
diff -r 2599ba94be42 -r 6296dfc30a6b external/gpl3/gcc/usr.bin/gcc/arch/aarch64/tm.h
--- a/external/gpl3/gcc/usr.bin/gcc/arch/aarch64/tm.h   Tue Mar 19 00:36:14 2019 +0000
+++ b/external/gpl3/gcc/usr.bin/gcc/arch/aarch64/tm.h   Tue Mar 19 05:55:00 2019 +0000
@@ -1,5 +1,5 @@
 /* This file is automatically generated.  DO NOT EDIT! */
-/* Generated from: NetBSD: mknative-gcc,v 1.92 2018/02/06 07:04:01 mrg Exp  */
+/* Generated from: NetBSD: mknative-gcc,v 1.101 2019/02/23 06:54:45 mrg Exp  */
 /* Generated from: NetBSD: mknative.common,v 1.16 2018/04/15 15:13:37 christos Exp  */
 
 #ifndef GCC_TM_H
@@ -19,6 +19,12 @@
 #ifndef NETBSD_ENABLE_PTHREADS
 # define NETBSD_ENABLE_PTHREADS
 #endif
+#ifndef TARGET_FIX_ERR_A53_835769_DEFAULT
+# define TARGET_FIX_ERR_A53_835769_DEFAULT 1
+#endif
+#ifndef TARGET_FIX_ERR_A53_843419_DEFAULT
+# define TARGET_FIX_ERR_A53_843419_DEFAULT 1
+#endif
 #ifdef IN_GCC
 # include "options.h"
 # include "insn-constants.h"
diff -r 2599ba94be42 -r 6296dfc30a6b tools/gcc/Makefile
--- a/tools/gcc/Makefile        Tue Mar 19 00:36:14 2019 +0000
+++ b/tools/gcc/Makefile        Tue Mar 19 05:55:00 2019 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.92 2019/02/26 21:09:18 christos Exp $
+#      $NetBSD: Makefile,v 1.93 2019/03/19 05:55:00 mrg Exp $
 
 .include <bsd.hostinit.mk>
 
@@ -47,6 +47,13 @@
 COMMON_CONFIGURE_ARGS+=        --with-tune=${GCC_CONFIG_TUNE.${MACHINE_ARCH}}
 .endif
 
+# Too many CPUs have one or both of these bugs, the common code should
+# default to safety.
+.if ${MACHINE_CPU} == "aarch64"
+COMMON_CONFIGURE_ARGS+=        --enable-fix-cortex-a53-835769 \
+                       --enable-fix-cortex-a53-843419
+.endif
+
 .if ${HAVE_GCC} >= 7
 COMMON_CONFIGURE_ARGS+=        --with-default-libstdcxx-abi=new
 .endif