From 963413abc1cda074c14367ff86518851d01a8200 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Hinderer?= <Sebastien.Hinderer@inria.fr>
Date: Thu, 29 Nov 2018 17:46:27 +0100
Subject: [PATCH] Add assembler option for ppc64le

This commit integrates GPR#2171 to the autoconf-generated script.
---
 configure    | 20 +++++++++++++-------
 configure.ac | 15 ++++++++++-----
 2 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/configure b/configure
index 4d9867585096..3c4f0aacd023 100755
--- a/configure
+++ b/configure
@@ -13447,13 +13447,19 @@ esac ;; #(
     default_as="${toolpref}as"
     default_aspp="${toolpref}gcc -c" ;; #(
   power,elf) :
-    if $arch64; then :
-  default_as="${toolpref}as -a64 -mppc64"
-      default_aspp="${toolpref}gcc -m64 -c"
-else
-  default_as="${toolpref}as -mppc"
-      default_aspp="${toolpref}gcc -m32 -c"
-fi ;; #(
+    case $model in #(
+  *) :
+     ;;
+esac
+      ppc64le,
+        default_as="${toolpref}as -a64 -mpower8"
+        default_aspp="${toolpref}gcc -m64 -mcpu=powerpc64le -c",
+      ppc64,
+        default_as="${toolpref}as -a64 -mppc64"
+        default_aspp="${toolpref}gcc -m64 -c",
+      ppc,
+        default_as="${toolpref}as -mppc"
+        default_aspp="${toolpref}gcc -m32 -c") ;; #(
   s390x,elf) :
     default_as="${toolpref}as -m 64 -march=$model"
     default_aspp="${toolpref}gcc -c -Wa,-march=$model" ;; #(
diff --git a/configure.ac b/configure.ac
index df72684fca22..511b9af1a359 100644
--- a/configure.ac
+++ b/configure.ac
@@ -885,11 +885,16 @@ AS_CASE(["$arch,$system"],
     [default_as="${toolpref}as"
     default_aspp="${toolpref}gcc -c"],
   [power,elf],
-    [AS_IF([$arch64],
-      [default_as="${toolpref}as -a64 -mppc64"
-      default_aspp="${toolpref}gcc -m64 -c"],
-      [default_as="${toolpref}as -mppc"
-      default_aspp="${toolpref}gcc -m32 -c"])],
+    [AS_CASE([$model])
+      [ppc64le],
+        [default_as="${toolpref}as -a64 -mpower8"
+        default_aspp="${toolpref}gcc -m64 -mcpu=powerpc64le -c"],
+      [ppc64],
+        [default_as="${toolpref}as -a64 -mppc64"
+        default_aspp="${toolpref}gcc -m64 -c"],
+      [ppc],
+        [default_as="${toolpref}as -mppc"
+        default_aspp="${toolpref}gcc -m32 -c"])],
   [s390x,elf],
     [default_as="${toolpref}as -m 64 -march=$model"
     default_aspp="${toolpref}gcc -c -Wa,-march=$model"],