opal/asm: clean up no longer supported architectures

We no longer officially support MIPS or ARM before v6. This commit
updates the configury to check for sync builtins on these
architectures and removes the MIPS and IA64 assembly from
opal/include/opal/sys.

Signed-off-by: Nathan Hjelm <[email protected]>

Author: hjelmn

config/opal_config_asm.m4

@@ -957,8 +957,8 @@ AC_DEFUN([OPAL_CONFIG_ASM],[
 
         ia64-*)
             opal_cv_asm_arch="IA64"
-            OPAL_ASM_SUPPORT_64BIT=1
-            OPAL_GCC_INLINE_ASSIGN='"mov %0=r0\n;;\n" : "=&r"(ret)'
+            OPAL_CHECK_SYNC_BUILTINS([opal_cv_asm_builtin="BUILTIN_SYNC"],
+              [AC_MSG_ERROR([No atomic primitives available for $host])])
             ;;
 	aarch64*)
             opal_cv_asm_arch="ARM64"
@@ -991,20 +991,16 @@ AC_DEFUN([OPAL_CONFIG_ASM],[
         armv5*linux*|armv4*linux*|arm-*-linux-gnueabi)
             # uses Linux kernel helpers for some atomic operations
             opal_cv_asm_arch="ARM"
-            OPAL_ASM_SUPPORT_64BIT=0
-            OPAL_ASM_ARM_VERSION=5
-            CCASFLAGS="$CCASFLAGS -march=armv7-a"
-            AC_DEFINE_UNQUOTED([OPAL_ASM_ARM_VERSION], [$OPAL_ASM_ARM_VERSION],
-                               [What ARM assembly version to use])
-            OPAL_GCC_INLINE_ASSIGN='"mov %0, #0" : "=&r"(ret)'
+            OPAL_CHECK_SYNC_BUILTINS([opal_cv_asm_builtin="BUILTIN_SYNC"],
+              [AC_MSG_ERROR([No atomic primitives available for $host])])
             ;;
 
         mips-*|mips64*)
             # Should really find some way to make sure that we are on
             # a MIPS III machine (r4000 and later)
             opal_cv_asm_arch="MIPS"
-            OPAL_ASM_SUPPORT_64BIT=1
-            OPAL_GCC_INLINE_ASSIGN='"or %0,[$]0,[$]0" : "=&r"(ret)'
+            OPAL_CHECK_SYNC_BUILTINS([opal_cv_asm_builtin="BUILTIN_SYNC"],
+              [AC_MSG_ERROR([No atomic primitives available for $host])])
             ;;
 
         powerpc-*|powerpc64-*|powerpcle-*|powerpc64le-*|rs6000-*|ppc-*)

opal/include/opal/sys/Makefile.am

@@ -35,8 +35,6 @@ include opal/sys/x86_64/Makefile.am
 include opal/sys/arm/Makefile.am
 include opal/sys/arm64/Makefile.am
 include opal/sys/ia32/Makefile.am
-include opal/sys/ia64/Makefile.am
-include opal/sys/mips/Makefile.am
 include opal/sys/powerpc/Makefile.am
 include opal/sys/sparcv9/Makefile.am
 include opal/sys/sync_builtin/Makefile.am