Merge branch 'sverker/master/optimize-atom-enc-dec/ERIERL-150'

2 files changed, 88 insertions, 76 deletions

diff --git a/erts/aclocal.m4 b/erts/aclocal.m4
index 887babc13f..a4d09810bd 100644
--- a/erts/aclocal.m4
+++ b/erts/aclocal.m4
@@ -2770,3 +2770,89 @@ rm -f conftest*])
 #define UNSAFE_MASK  0xc0000000 /* Mask for bits that must be constant */
 
 
+dnl ----------------------------------------------------------------------
+dnl
+dnl LM_HARDWARE_ARCH
+dnl
+dnl Determine target hardware in ARCH
+dnl
+AC_DEFUN([LM_HARDWARE_ARCH], [
+    AC_MSG_CHECKING([target hardware architecture])
+    if test "x$host_alias" != "x" -a "x$host_cpu" != "x"; then
+        chk_arch_=$host_cpu
+    else
+        chk_arch_=`uname -m`
+    fi
+
+    case $chk_arch_ in
+    sun4u)	ARCH=ultrasparc;;
+    sparc64)	ARCH=sparc64;;
+    sun4v)	ARCH=ultrasparc;;
+    i86pc)	ARCH=x86;;
+    i386)	ARCH=x86;;
+    i486)	ARCH=x86;;
+    i586)	ARCH=x86;;
+    i686)	ARCH=x86;;
+    x86_64)	ARCH=amd64;;
+    amd64)	ARCH=amd64;;
+    macppc)	ARCH=ppc;;
+    powerpc)	ARCH=ppc;;
+    ppc)	ARCH=ppc;;
+    ppc64)	ARCH=ppc64;;
+    ppc64le)	ARCH=ppc64le;;
+    "Power Macintosh")	ARCH=ppc;;
+    armv5b)	ARCH=arm;;
+    armv5teb)	ARCH=arm;;
+    armv5tel)	ARCH=arm;;
+    armv5tejl)	ARCH=arm;;
+    armv6l)	ARCH=arm;;
+    armv6hl)	ARCH=arm;;
+    armv7l)	ARCH=arm;;
+    armv7hl)	ARCH=arm;;
+    tile)	ARCH=tile;;
+    e2k)        ARCH=e2k;;
+    *)	 	ARCH=noarch;;
+    esac
+    AC_MSG_RESULT($ARCH)
+
+    dnl
+    dnl Convert between x86 and amd64 based on the compiler's mode.
+    dnl Ditto between ultrasparc and sparc64.
+    dnl
+    AC_MSG_CHECKING(whether compilation mode forces ARCH adjustment)
+    case "$ARCH-$ac_cv_sizeof_void_p" in
+    x86-8)
+	AC_MSG_RESULT(yes: adjusting ARCH=x86 to ARCH=amd64)
+	ARCH=amd64
+	;;
+    amd64-4)
+	AC_MSG_RESULT(yes: adjusting ARCH=amd64 to ARCH=x86)
+	ARCH=x86
+	;;
+    ultrasparc-8)
+	AC_MSG_RESULT(yes: adjusting ARCH=ultrasparc to ARCH=sparc64)
+	ARCH=sparc64
+	;;
+    sparc64-4)
+	AC_MSG_RESULT(yes: adjusting ARCH=sparc64 to ARCH=ultrasparc)
+	ARCH=ultrasparc
+	;;
+    ppc64-4)
+	AC_MSG_RESULT(yes: adjusting ARCH=ppc64 to ARCH=ppc)
+	ARCH=ppc
+	;;
+    ppc-8)
+	AC_MSG_RESULT(yes: adjusting ARCH=ppc to ARCH=ppc64)
+	ARCH=ppc64
+	;;
+    arm-8)
+	AC_MSG_RESULT(yes: adjusting ARCH=arm to ARCH=noarch)
+	ARCH=noarch
+	;;
+    *)
+	AC_MSG_RESULT(no: ARCH is $ARCH)
+	;;
+    esac
+
+    AC_SUBST(ARCH)
+])
diff --git a/erts/configure.in b/erts/configure.in
index 820247b4b8..2d0d6c6444 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -658,83 +658,9 @@ case $chk_opsys_ in
     *)				OPSYS=noopsys
 esac
 
-if test "x$host_alias" != "x" -a "x$host_cpu" != "x"; then
-    chk_arch_=$host_cpu
-else
-    chk_arch_=`uname -m`
-fi
-
-case $chk_arch_ in
-    sun4u)	ARCH=ultrasparc;;
-    sparc64)	ARCH=sparc64;;
-    sun4v)	ARCH=ultrasparc;;
-    i86pc)	ARCH=x86;;
-    i386)	ARCH=x86;;
-    i486)	ARCH=x86;;
-    i586)	ARCH=x86;;
-    i686)	ARCH=x86;;
-    x86_64)	ARCH=amd64;;
-    amd64)	ARCH=amd64;;
-    macppc)	ARCH=ppc;;
-    powerpc)	ARCH=ppc;;
-    ppc)	ARCH=ppc;;
-    ppc64)	ARCH=ppc64;;
-    ppc64le)	ARCH=ppc64le;;
-    "Power Macintosh")	ARCH=ppc;;
-    armv5b)	ARCH=arm;;
-    armv5teb)	ARCH=arm;;
-    armv5tel)	ARCH=arm;;
-    armv5tejl)	ARCH=arm;;
-    armv6l)	ARCH=arm;;
-    armv6hl)	ARCH=arm;;
-    armv7l)	ARCH=arm;;
-    armv7hl)	ARCH=arm;;
-    tile)	ARCH=tile;;
-    e2k)       ARCH=e2k;;
-    *)	 	ARCH=noarch;;
-esac
-
-dnl
-dnl Convert between x86 and amd64 based on the compiler's mode.
-dnl Ditto between ultrasparc and sparc64.
-dnl
-AC_MSG_CHECKING(whether compilation mode forces ARCH adjustment)
-case "$ARCH-$ac_cv_sizeof_void_p" in
-x86-8)
-	AC_MSG_RESULT(yes: adjusting ARCH=x86 to ARCH=amd64)
-	ARCH=amd64
-	;;
-amd64-4)
-	AC_MSG_RESULT(yes: adjusting ARCH=amd64 to ARCH=x86)
-	ARCH=x86
-	;;
-ultrasparc-8)
-	AC_MSG_RESULT(yes: adjusting ARCH=ultrasparc to ARCH=sparc64)
-	ARCH=sparc64
-	;;
-sparc64-4)
-	AC_MSG_RESULT(yes: adjusting ARCH=sparc64 to ARCH=ultrasparc)
-	ARCH=ultrasparc
-	;;
-ppc64-4)
-	AC_MSG_RESULT(yes: adjusting ARCH=ppc64 to ARCH=ppc)
-	ARCH=ppc
-	;;
-ppc-8)
-	AC_MSG_RESULT(yes: adjusting ARCH=ppc to ARCH=ppc64)
-	ARCH=ppc64
-	;;
-arm-8)
-	AC_MSG_RESULT(yes: adjusting ARCH=arm to ARCH=noarch)
-	ARCH=noarch
-	;;
-*)
-	AC_MSG_RESULT(no)
-	;;
-esac
-
 AC_SUBST(OPSYS)
-AC_SUBST(ARCH)
+
+LM_HARDWARE_ARCH
 
 dnl Check consistency of os and darwin-switches