From dbbb5706636c5552fcd62b8654506840dd189d32 Mon Sep 17 00:00:00 2001
From: Jonas Wallden <jonasw@roxen.com>
Date: Wed, 9 Jul 2008 19:28:37 +0200
Subject: [PATCH] Improve PPC G4/G5 scheduling flags slightly.
Rev: src/configure.in:1.1060
---
src/configure.in | 27 ++++++++++++++-------------
1 file changed, 14 insertions(+), 13 deletions(-)
diff --git a/src/configure.in b/src/configure.in
index 2e4e703e6a..261ab6764e 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -1,4 +1,4 @@
-AC_REVISION("$Id: configure.in,v 1.1059 2008/07/09 13:47:53 jonasw Exp $")
+AC_REVISION("$Id: configure.in,v 1.1060 2008/07/09 17:28:37 jonasw Exp $")
AC_INIT(interpret.c)
AC_CONFIG_HEADER(machine.h)
@@ -1960,6 +1960,9 @@ if test "$cflags_is_set" = "no"; then
# -flat_namespace only needed for linking with libMallocDebug
# AC_SYS_COMPILER_FLAG(-flat_namespace, flat_namespace, LDFLAGS)
+ # Take care of warning when linking with GMP libraries
+ AC_SYS_COMPILER_FLAG(-read_only_relocs warning, ro_relocs_warn, LDFLAGS)
+
# Tune based on processor family
case "`machine`" in
i486)
@@ -1967,22 +1970,20 @@ if test "$cflags_is_set" = "no"; then
AC_SYS_COMPILER_FLAG(-march=pentium-m, arch_pentium_m, OPTIMIZE)
AC_SYS_COMPILER_FLAG(-msse3, opt_sse3, OPTIMIZE)
- # Take care of warning when linking with GMP libraries
- AC_SYS_COMPILER_FLAG(-read_only_relocs warning, ro_relocs_warn, LDFLAGS)
-
# no-pic required for machine code to work
AC_SYS_COMPILER_FLAG(-mdynamic-no-pic, dynamicnopic, OSFLAGS)
;;
+ ppc970|ppc7450|ppc7400)
+ # Improve performance on G4 and G5. Note that if the build machine
+ # is a G4 or newer the resulting pike won't run on a G3.
+ AC_SYS_COMPILER_FLAG(-mcpu=7400, cpu7400, OPTIMIZE)
+ AC_SYS_COMPILER_FLAG(-mtune=7400, tune7400, OPTIMIZE)
+ ;;
*)
# G3 is the baseline on PPC since Mac OS X doesn't support anything
- # older. Special flags could be used for ppc970, ppc7450 and ppc7400
- # but that might also exclude older machines from running the
- # resulting Pike binary.
+ # older.
AC_SYS_COMPILER_FLAG(-mcpu=750, cpu750, OPTIMIZE)
AC_SYS_COMPILER_FLAG(-mtune=750, tune750, OPTIMIZE)
-
- # Take care of warning when linking with GMP libraries
- AC_SYS_COMPILER_FLAG(-read_only_relocs warning, ro_relocs_warn, LDFLAGS)
;;
esac
])
@@ -2364,7 +2365,7 @@ if test "x$PIKE_PATH_TRANSLATE" = "x"; then
# MinGW system.
cat <<\EOF
#!/bin/sh
-# Automatically generated by $Id: configure.in,v 1.1059 2008/07/09 13:47:53 jonasw Exp $.
+# Automatically generated by $Id: configure.in,v 1.1060 2008/07/09 17:28:37 jonasw Exp $.
# MinGW-version. Do NOT edit.
posix_name="`cat`"
posix_prefix="/"
@@ -2402,7 +2403,7 @@ EOF
# Native POSIX system.
cat <<\EOF
#!/bin/sh
-# Automatically generated by $Id: configure.in,v 1.1059 2008/07/09 13:47:53 jonasw Exp $.
+# Automatically generated by $Id: configure.in,v 1.1060 2008/07/09 17:28:37 jonasw Exp $.
# POSIX-version. Do NOT edit.
cat
EOF
@@ -2411,7 +2412,7 @@ else
# rntcl-style
cat <<\EOF
#!/bin/sh
-# Automatically generated by $Id: configure.in,v 1.1059 2008/07/09 13:47:53 jonasw Exp $.
+# Automatically generated by $Id: configure.in,v 1.1060 2008/07/09 17:28:37 jonasw Exp $.
# RNTCL-version. Do NOT edit.
sed -e "$PIKE_PATH_TRANSLATE"
EOF
--
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