Recent versions of IBM XL compilers on AIX support GCC inline assembly format

This commit was SVN r24340.

opal/config/opal_config_asm.m4

@@ -585,27 +585,18 @@ AC_DEFUN([OMPI_CHECK_INLINE_C_GCC],[
         # Disable for now.
         asm_result="no (Portland Group)"
     else
-        case $host in
-            *-aix*)
-                # the AIX compilers and linkers really don't do gcc 
-                # inline assembly right - disable for now.
-                asm_result="no (AIX)"
-                ;;
-            *)
-                if test ! "$assembly" = "" ; then
-                        AC_RUN_IFELSE([AC_LANG_PROGRAM([
+        if test ! "$assembly" = "" ; then
+                AC_RUN_IFELSE([AC_LANG_PROGRAM([
 AC_INCLUDES_DEFAULT],
 [[int ret = 1;
 int negone = -1;
 __asm__ __volatile__ ($assembly);
 return ret;]])],
-                    [asm_result="yes"], [asm_result="no"], 
-                    [asm_result="unknown"])
-                else
-                    assembly="test skipped - assuming no"
-                fi
-                ;;
-        esac
+            [asm_result="yes"], [asm_result="no"], 
+            [asm_result="unknown"])
+        else
+            assembly="test skipped - assuming no"
+        fi
 
         # if we're cross compiling, just try to compile and figure good enough
         if test "$asm_result" = "unknown" ; then
@@ -641,27 +632,18 @@ AC_DEFUN([OMPI_CHECK_INLINE_CXX_GCC],[
     AC_LANG_PUSH([C++])
     AC_MSG_CHECKING([if $CXX supports GCC inline assembly])
 
-    case $host in
-        *-aix*)
-            # the AIX compilers and linkers really don't do gcc 
-            # inline assembly right - disable for now.
-            asm_result="no (AIX)"
-            ;;
-        *)
-            if test ! "$assembly" = "" ; then
+    if test ! "$assembly" = "" ; then
             AC_RUN_IFELSE([AC_LANG_PROGRAM([
 AC_INCLUDES_DEFAULT],
 [[int ret = 1;
 int negone = -1;
 __asm__ __volatile__ ($assembly);
 return ret;]])],
-                    [asm_result="yes"], [asm_result="no"], 
-                    [asm_result="unknown"])
-            else
-                assembly="test skipped - assuming no"
-            fi
-            ;;
-    esac
+            [asm_result="yes"], [asm_result="no"], 
+            [asm_result="unknown"])
+    else
+        assembly="test skipped - assuming no"
+    fi
     # if we're cross compiling, just try to compile and figure good enough
     if test "$asm_result" = "unknown" ; then
         AC_LINK_IFELSE([AC_LANG_PROGRAM([