[gcc r13-679] aarch64: Enable DFP (Decimal Floating-point) (BID format)

[gcc r13-679] aarch64: Enable DFP (Decimal Floating-point) (BID format)

[Christophe Lyon]

https://gcc.gnu.org/g:afd82c104b1038572ed4d473a0b5f6e2c778fa01

commit r13-679-gafd82c104b1038572ed4d473a0b5f6e2c778fa01
Author: Christophe Lyon <christophe.lyon@arm.com>
Date:   Wed Mar 9 14:27:10 2022 +0000

    aarch64: Enable DFP (Decimal Floating-point) (BID format)
    
    This patch enables DFP support on aarch64, by updating config/dfp.m4
    and regenerating the involved configure scripts.
    We enable the BID format.
    
    2022-03-31  Christophe Lyon  <christophe.lyon@arm.com>
    
            config/
            * dfp.m4: Add aarch64 support.
            gcc/
            * configure: Regenerate.
            libdecnumber/
            * configure: Regenerate.
            libgcc/
            * configure: Regenerate.

Diff:
---
 config/dfp.m4          | 3 ++-
 gcc/configure          | 3 ++-
 libdecnumber/configure | 3 ++-
 libgcc/configure       | 3 ++-
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/config/dfp.m4 b/config/dfp.m4
index 5b6a3f9d114..d1d151b2da7 100644
--- a/config/dfp.m4
+++ b/config/dfp.m4
@@ -38,6 +38,7 @@ Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
 ],
 [
   case $1 in
+    aarch64* | \
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
     i?86*-*-elfiamcu | i?86*-*-gnu* | x86_64*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
@@ -55,7 +56,7 @@ Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
 case x$enable_decimal_float in
   xyes)
     case $1 in
-      i?86*-*-* | x86_64*-*-*)
+      aarch64* | i?86*-*-* | x86_64*-*-*)
 	enable_decimal_float=bid
 	;;
       *)
diff --git a/gcc/configure b/gcc/configure
index 5ce0557719a..37e0dd5e414 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -7896,6 +7896,7 @@ Valid choices are 'yes', 'bid', 'dpd', and 'no'." "$LINENO" 5 ;;
 else
 
   case $target in
+    aarch64* | \
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
     i?86*-*-elfiamcu | i?86*-*-gnu* | x86_64*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
@@ -7916,7 +7917,7 @@ fi
 case x$enable_decimal_float in
   xyes)
     case $target in
-      i?86*-*-* | x86_64*-*-*)
+      aarch64* | i?86*-*-* | x86_64*-*-*)
 	enable_decimal_float=bid
 	;;
       *)
diff --git a/libdecnumber/configure b/libdecnumber/configure
index da5302f9315..fb6db05565a 100755
--- a/libdecnumber/configure
+++ b/libdecnumber/configure
@@ -4903,6 +4903,7 @@ Valid choices are 'yes', 'bid', 'dpd', and 'no'." "$LINENO" 5 ;;
 else
 
   case $target in
+    aarch64* | \
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
     i?86*-*-elfiamcu | i?86*-*-gnu* | x86_64*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
@@ -4923,7 +4924,7 @@ fi
 case x$enable_decimal_float in
   xyes)
     case $target in
-      i?86*-*-* | x86_64*-*-*)
+      aarch64* | i?86*-*-* | x86_64*-*-*)
 	enable_decimal_float=bid
 	;;
       *)
diff --git a/libgcc/configure b/libgcc/configure
index 1f9b2ac578b..61f3ace2891 100755
--- a/libgcc/configure
+++ b/libgcc/configure
@@ -4771,6 +4771,7 @@ Valid choices are 'yes', 'bid', 'dpd', and 'no'." "$LINENO" 5 ;;
 else
 
   case $host in
+    aarch64* | \
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
     i?86*-*-elfiamcu | i?86*-*-gnu* | x86_64*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
@@ -4791,7 +4792,7 @@ fi
 case x$enable_decimal_float in
   xyes)
     case $host in
-      i?86*-*-* | x86_64*-*-*)
+      aarch64* | i?86*-*-* | x86_64*-*-*)
 	enable_decimal_float=bid
 	;;
       *)