From: Alastair McKinstry <mckinstry@debian.org>
Date: Mon, 5 Feb 2018 09:06:53 +0000 (+0000)
Subject: x32
X-Git-Tag: archive/raspbian/2.1.1-8+rpi1^2~2
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=d706187e6bf6f1c384f3ce5cf2f61af5aac6a61f;p=openmpi.git

x32

===================================================================

Gbp-Pq: Name x32.patch
---

diff --git a/config/opal_config_asm.m4 b/config/opal_config_asm.m4
index bb2b9c47..0aa88949 100644
--- a/config/opal_config_asm.m4
+++ b/config/opal_config_asm.m4
@@ -1004,6 +1004,14 @@ AC_DEFUN([OPAL_CONFIG_ASM],[
         OPAL_GCC_INLINE_ASSIGN=""
         OPAL_ASM_SUPPORT_64BIT=0
         case "${host}" in
+	x86_64-*x32)
+	# Note sizeof(long) = 4
+	    opal_cv_asm_arch="X86_64"
+	    OPAL_ASM_SUPPORT_64BIT=1
+            OPAL_GCC_INLINE_ASSIGN='"xaddl %1,%0" : "=m"(ret), "+r"(negone) : "m"(ret)'
+            OPAL_CHECK_CMPXCHG16B
+            ;;
+	
         i?86-*|x86_64*|amd64*)
             if test "$ac_cv_sizeof_long" = "4" ; then
                 opal_cv_asm_arch="IA32"