asm: remove support for Sparc v9

This commit removes the specialized support for Sparc v9 as the
architecture is unsupported. The architecture will continue to
work without CMA and using the GCC built-in atomic support.

Signed-off-by: Nathan Hjelm <hjelmn@google.com>

Author: hjelmn

config/opal_config_asm.m4

@@ -926,29 +926,6 @@ AC_DEFUN([OPAL_CHECK_POWERPC_64BIT],[
 ])dnl
 
 
-dnl #################################################################
-dnl
-dnl OPAL_CHECK_SPARCV8PLUS
-dnl
-dnl #################################################################
-AC_DEFUN([OPAL_CHECK_SPARCV8PLUS],[
-    AC_MSG_CHECKING([if have Sparc v8+/v9 support])
-    sparc_result=0
-    OPAL_TRY_ASSEMBLE([$opal_cv_asm_text
-        casa [%o0] 0x80, %o1, %o2],
-                [sparc_result=1],
-                [sparc_result=0])
-    if test "$sparc_result" = "1" ; then
-        AC_MSG_RESULT([yes])
-        ifelse([$1],,:,[$1])
-    else
-        AC_MSG_RESULT([no])
-        ifelse([$2],,:,[$2])
-    fi
-
-    unset sparc_result
-])dnl
-
 dnl #################################################################
 dnl
 dnl OPAL_CHECK_CMPXCHG16B
@@ -1214,34 +1191,6 @@ AC_DEFUN([OPAL_CONFIG_ASM],[
             fi
             OPAL_GCC_INLINE_ASSIGN='"1: li %0,0" : "=&r"(ret)'
             ;;
-        sparc*-*)
-            # SPARC v9 (and above) are the only ones with 64bit support
-            # if compiling 32 bit, see if we are v9 (aka v8plus) or
-            # earlier (casa is v8+/v9).
-            if test "$ac_cv_sizeof_long" = "4" ; then
-                have_v8plus=0
-                OPAL_CHECK_SPARCV8PLUS([have_v8plus=1])
-                if test "$have_v8plus" = "0" ; then
-                    OPAL_ASM_SUPPORT_64BIT=0
-                    opal_cv_asm_arch="SPARC"
-AC_MSG_WARN([Sparc v8 target is not supported in this release of Open MPI.])
-AC_MSG_WARN([You must specify the target architecture v8plus to compile])
-AC_MSG_WARN([Open MPI in 32 bit mode on Sparc processors (see the README).])
-AC_MSG_ERROR([Can not continue.])
-                else
-                    OPAL_ASM_SUPPORT_64BIT=1
-                    opal_cv_asm_arch="SPARCV9_32"
-                fi
-
-            elif test "$ac_cv_sizeof_long" = "8" ; then
-                OPAL_ASM_SUPPORT_64BIT=1
-                opal_cv_asm_arch="SPARCV9_64"
-            else
-                AC_MSG_ERROR([Could not determine Sparc word size: $ac_cv_sizeof_long])
-            fi
-            OPAL_GCC_INLINE_ASSIGN='"mov 0,%0" : "=&r"(ret)'
-            ;;
-
         *)
 	    if test $opal_cv_have___atomic = "yes" ; then
 		opal_cv_asm_builtin="BUILTIN_GCC"

opal/include/opal/sys/Makefile.am

@@ -38,5 +38,4 @@ include opal/sys/arm/Makefile.am
 include opal/sys/arm64/Makefile.am
 include opal/sys/ia32/Makefile.am
 include opal/sys/powerpc/Makefile.am
-include opal/sys/sparcv9/Makefile.am
 include opal/sys/gcc_builtin/Makefile.am

opal/include/opal/sys/architecture.h

@@ -36,9 +36,6 @@
 #define OPAL_X86_64         0030
 #define OPAL_POWERPC32      0050
 #define OPAL_POWERPC64      0051
-#define OPAL_SPARC          0060
-#define OPAL_SPARCV9_32     0061
-#define OPAL_SPARCV9_64     0062
 #define OPAL_ARM            0100
 #define OPAL_ARM64          0101
 #define OPAL_BUILTIN_GCC    0202

opal/include/opal/sys/atomic.h

@@ -180,12 +180,6 @@ enum {
 #include "opal/sys/powerpc/atomic.h"
 #elif OPAL_ASSEMBLY_ARCH == OPAL_POWERPC64
 #include "opal/sys/powerpc/atomic.h"
-#elif OPAL_ASSEMBLY_ARCH == OPAL_SPARC
-#include "opal/sys/sparc/atomic.h"
-#elif OPAL_ASSEMBLY_ARCH == OPAL_SPARCV9_32
-#include "opal/sys/sparcv9/atomic.h"
-#elif OPAL_ASSEMBLY_ARCH == OPAL_SPARCV9_64
-#include "opal/sys/sparcv9/atomic.h"
 #endif
 
 #ifndef DOXYGEN