This patch contains the adjustments to top level gcc configury required
to enable the AArch64 port.
Proposed ChangeLog:
* config.gcc: Add AArch64.
* configure.ac: Add AArch64 TLS support detection.
* configure: Regenerate.
diff --git a/gcc/config.gcc b/gcc/config.gcc
index
ed7474ad68c4ae7234072d508b697a9a2218d18d..75ca21756ebca80479d69c38ff8d3c4142d822f3
100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -310,6 +310,13 @@ m32c*-*-*)
tmake_file=m32c/t-m32c
target_has_targetm_common=no
;;
+aarch64*-*-*)
+ cpu_type=aarch64
+ need_64bit_hwint=yes
+ extra_headers="arm_neon.h"
+ extra_objs="aarch64-builtins.o"
+ target_has_targetm_common=yes
+ ;;
alpha*-*-*)
cpu_type=alpha
need_64bit_hwint=yes
@@ -796,6 +803,27 @@ case ${target} in
esac
case ${target} in
+aarch64*-*-elf)
+ tm_file="${tm_file} dbxelf.h elfos.h newlib-stdint.h"
+ tm_file="${tm_file} aarch64/aarch64-elf.h aarch64/aarch64-elf-raw.h"
+ tmake_file="${tmake_file} aarch64/t-aarch64"
+ use_gcc_stdint=wrap
+ case $target in
+ aarch64_be-*)
+ tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"
+ ;;
+ esac
+ ;;
+aarch64*-*-linux*)
+ tm_file="${tm_file} dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h"
+ tm_file="${tm_file} aarch64/aarch64-elf.h aarch64/aarch64-linux.h"
+ tmake_file="${tmake_file} aarch64/t-aarch64 aarch64/t-aarch64-linux"
+ case $target in
+ aarch64_be-*)
+ tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"
+ ;;
+ esac
+ ;;
alpha*-*-linux*)
tm_file="elfos.h ${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h
glibc-stdint.h"
extra_options="${extra_options} alpha/elf.opt"
@@ -2995,6 +3023,92 @@ fi
supported_defaults=
case "${target}" in
+ aarch64*-*-*)
+ supported_defaults="cpu arch"
+ for which in cpu arch; do
+
+ eval "val=\$with_$which"
+ base_val=`echo $val | sed -e 's/\+.*//'`
+ ext_val=`echo $val | sed -e 's/[a-z0-9\-]\+//'`
+
+ if [ $which = arch ]; then
+ def=aarch64-arches.def
+ pattern=AARCH64_ARCH
+ else
+ def=aarch64-cores.def
+ pattern=AARCH64_CORE
+ fi
+
+ ext_mask=AARCH64_CPU_DEFAULT_FLAGS
+
+ # Find the base CPU or ARCH id in aarch64-cores.def or
+ # aarch64-arches.def
+ if [ x"$base_val" = x ] \
+ || grep "^$pattern(\"$base_val\"," \
+ ${srcdir}/config/aarch64/$def \
+ > /dev/null; then
+
+ if [ $which = arch ]; then
+ base_id=`grep "^$pattern(\"$base_val\"," \
+ ${srcdir}/config/aarch64/$def | \
+ sed -e 's/^[^,]*,[ ]*//' | \
+ sed -e 's/,.*$//'`
+ else
+ base_id=`grep "^$pattern(\"$base_val\"," \
+ ${srcdir}/config/aarch64/$def | \
+ sed -e 's/^[^,]*,[ ]*//' | \
+ sed -e 's/,.*$//'`
+ fi
+
+ while [ x"$ext_val" != x ]
+ do
+ ext_val=`echo $ext_val | sed -e 's/\+//'`
+ ext=`echo $ext_val | sed -e 's/\+.*//'`
+ base_ext=`echo $ext | sed -e 's/^no//'`
+
+ if [ x"$base_ext" = x ] \
+ || grep
"^AARCH64_OPT_EXTENSION(\"$base_ext\"," \
+
${srcdir}/config/aarch64/aarch64-option-extensions.def \
+ > /dev/null; then
+
+ ext_on=`grep
"^AARCH64_OPT_EXTENSION(\"$base_ext\"," \
+
${srcdir}/config/aarch64/aarch64-option-extensions.def | \
+ sed -e 's/^[^,]*,[ ]*//' | \
+ sed -e 's/,.*$//'`
+ ext_off=`grep
"^AARCH64_OPT_EXTENSION(\"$base_ext\"," \
+
${srcdir}/config/aarch64/aarch64-option-extensions.def | \
+ sed -e 's/^[^,]*,[ ]*[^,]*,[
]*//' | \
+ sed -e 's/,.*$//' | \
+ sed -e 's/).*$//'`
+
+ if [ $ext = $base_ext ]; then
+ # Adding extension
+ ext_mask="("$ext_mask") | ("$ext_on")"
+ else
+ # Removing extension
+ ext_mask="("$ext_mask") & ~("$ext_off")"
+ fi
+
+ true
+ else
+ echo "Unknown extension used in
--with-$which=$val" 1>&2
+ exit 1
+ fi
+ ext_val=`echo $ext_val | sed -e
's/[a-z0-9]\+//'`
+ done
+
+ ext_mask="(("$ext_mask") << 6)"
+ if [ x"$base_id" != x ]; then
+ target_cpu_cname="TARGET_CPU_$base_id |
$ext_mask"
+ fi
+ true
+ else
+ echo "Unknown $which used in --with-$which=$val" 1>&2
+ exit 1
+ fi
+ done
+ ;;
+
alpha*-*-*)
supported_defaults="cpu tune"
for which in cpu tune; do
@@ -3476,6 +3590,15 @@ esac
# Set some miscellaneous flags for particular targets.
target_cpu_default2=
case ${target} in
+ aarch64*-*-*)
+ if test x$target_cpu_cname = x
+ then
+ target_cpu_default2=TARGET_CPU_generic
+ else
+ target_cpu_default2=$target_cpu_cname
+ fi
+ ;;
+
arm*-*-*)
if test x$target_cpu_cname = x
then
diff --git a/gcc/configure b/gcc/configure
index
387de5b743cb2b44afb1206ef6a8689ab1fcbbfa..bef4ea36af785578d111ff702acf615aa556b49c
100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -23189,6 +23189,19 @@ foo:
tls_first_minor=19
tls_as_opt='--fatal-warnings'
;;
+ aarch64*-*-*)
+ conftest_s='
+ .section ".tdata","awT",%progbits
+foo: .long 25
+ .text
+ adrp x0, :tlsgd:x
+ add x0, x0, #:tlsgd_lo12:x
+ bl __tls_get_addr
+ nop'
+ tls_first_major=2
+ tls_first_minor=20
+ tls_as_opt='--fatal-warnings'
+ ;;
powerpc-*-*)
conftest_s='
.section ".tdata","awT",@progbits
diff --git a/gcc/configure.ac b/gcc/configure.ac
index
b6c049b022bd85ddf2e42a55f98d57a50ce2775c..dee70dc2061a56a02b5d62954ac75bbfa52a72d8
100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -2965,6 +2965,19 @@ foo:
tls_first_minor=19
tls_as_opt='--fatal-warnings'
;;
+ aarch64*-*-*)
+ conftest_s='
+ .section ".tdata","awT",%progbits
+foo: .long 25
+ .text
+ adrp x0, :tlsgd:x
+ add x0, x0, #:tlsgd_lo12:x
+ bl __tls_get_addr
+ nop'
+ tls_first_major=2
+ tls_first_minor=20
+ tls_as_opt='--fatal-warnings'
+ ;;
powerpc-*-*)
conftest_s='
.section ".tdata","awT",@progbits
