automatic import of gccopeneuler24.03_LTS_SP1

1 files changed, 117 insertions, 0 deletions

diff --git a/0216-Backport-SME-libgcc-aarch64-Configure-check-for-.var.patch b/0216-Backport-SME-libgcc-aarch64-Configure-check-for-.var.patch
new file mode 100644
index 0000000..6e8467e
--- /dev/null
+++ b/0216-Backport-SME-libgcc-aarch64-Configure-check-for-.var.patch
@@ -0,0 +1,117 @@
+From e0da78a258a34c26488b7ae623f9ae8727c2b264 Mon Sep 17 00:00:00 2001
+From: Szabolcs Nagy <szabolcs.nagy@arm.com>
+Date: Mon, 14 Nov 2022 17:14:18 +0000
+Subject: [PATCH 117/157] [Backport][SME] libgcc: aarch64: Configure check for
+ .variant_pcs support
+
+Reference: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=3ebb591c65b4fbe0cddd23ebc0ca2d9f7aef2cec
+
+Ideally SME support routines in libgcc are marked as variant PCS symbols
+so check if as supports the directive.
+
+libgcc/ChangeLog:
+
+	* config.in: Undef HAVE_AS_VARIANT_PCS.
+	* configure: Regenerate.
+	* configure.ac: Check for .variant_pcs.
+---
+ libgcc/config.in    |  3 +++
+ libgcc/configure    | 39 +++++++++++++++++++++++++++++++++++++++
+ libgcc/configure.ac | 17 +++++++++++++++++
+ 3 files changed, 59 insertions(+)
+
+diff --git a/libgcc/config.in b/libgcc/config.in
+index f93c64a00..5dd96cdf6 100644
+--- a/libgcc/config.in
++++ b/libgcc/config.in
+@@ -13,6 +13,9 @@
+ /* Define to 1 if the assembler supports LSE. */
+ #undef HAVE_AS_LSE
+ 
++/* Define to 1 if the assembler supports .variant_pcs. */
++#undef HAVE_AS_VARIANT_PCS
++
+ /* Define to 1 if the target assembler supports thread-local storage. */
+ #undef HAVE_CC_TLS
+ 
+diff --git a/libgcc/configure b/libgcc/configure
+index 1f9b2ac57..afe02b303 100755
+--- a/libgcc/configure
++++ b/libgcc/configure
+@@ -5619,6 +5619,45 @@ $as_echo "#define HAVE_AS_LSE 1" >>confdefs.h
+   ;;
+ esac
+ 
++
++
++case "${target}" in
++aarch64*-*-*)
++  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if as supports .variant_pcs" >&5
++$as_echo_n "checking if as supports .variant_pcs... " >&6; }
++if ${libgcc_cv_as_variant_pcs+:} false; then :
++  $as_echo_n "(cached) " >&6
++else
++
++    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
++/* end confdefs.h.  */
++
++int
++main ()
++{
++asm (".variant_pcs foobar");
++  ;
++  return 0;
++}
++_ACEOF
++if ac_fn_c_try_compile "$LINENO"; then :
++  libgcc_cv_as_variant_pcs=yes
++else
++  libgcc_cv_as_variant_pcs=no
++fi
++rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
++
++fi
++{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_as_variant_pcs" >&5
++$as_echo "$libgcc_cv_as_variant_pcs" >&6; }
++  if test x$libgcc_cv_as_variant_pcs = xyes; then
++
++$as_echo "#define HAVE_AS_VARIANT_PCS 1" >>confdefs.h
++
++  fi
++  ;;
++esac
++
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for init priority support" >&5
+ $as_echo_n "checking for init priority support... " >&6; }
+ if ${libgcc_cv_init_priority+:} false; then :
+diff --git a/libgcc/configure.ac b/libgcc/configure.ac
+index 2fc9d5d7c..abc398c91 100644
+--- a/libgcc/configure.ac
++++ b/libgcc/configure.ac
+@@ -648,6 +648,23 @@ changequote([,])dnl
+ esac])
+ LIBGCC_CHECK_AS_LSE
+ 
++dnl Check if as supports .variant_pcs.
++AC_DEFUN([LIBGCC_CHECK_AS_VARIANT_PCS], [
++case "${target}" in
++aarch64*-*-*)
++  AC_CACHE_CHECK([if as supports .variant_pcs], libgcc_cv_as_variant_pcs, [
++    AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,
++      [[asm (".variant_pcs foobar");]])],
++      [libgcc_cv_as_variant_pcs=yes], [libgcc_cv_as_variant_pcs=no])
++  ])
++  if test x$libgcc_cv_as_variant_pcs = xyes; then
++    AC_DEFINE(HAVE_AS_VARIANT_PCS, 1,
++	      [Define to 1 if the assembler supports .variant_pcs.])
++  fi
++  ;;
++esac])
++LIBGCC_CHECK_AS_VARIANT_PCS
++
+ dnl Check if as supports RTM instructions.
+ AC_CACHE_CHECK(for init priority support, libgcc_cv_init_priority, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,
+-- 
+2.33.0
+