+- add patches.fixes/linux-post-2.6.3-20040220

[linux-flexiantxendom0-3.2.10.git] / arch / i386 / Makefile

diff --git a/arch/i386/Makefile b/arch/i386/Makefile
index 437c239..4393c19 100644 (file)
--- a/arch/i386/Makefile
+++ b/arch/i386/Makefile
@@ -36,8 +36,9 @@ cflags-$(CONFIG_M586MMX)      += $(call check_gcc,-march=pentium-mmx,-march=i586)
 cflags-$(CONFIG_M686)          += -march=i686
 cflags-$(CONFIG_MPENTIUMII)    += $(call check_gcc,-march=pentium2,-march=i686)
 cflags-$(CONFIG_MPENTIUMIII)   += $(call check_gcc,-march=pentium3,-march=i686)
+cflags-$(CONFIG_MPENTIUMM)     += $(call check_gcc,-march=pentium3,-march=i686)
 cflags-$(CONFIG_MPENTIUM4)     += $(call check_gcc,-march=pentium4,-march=i686)
-cflags-$(CONFIG_MK6)           += $(call check_gcc,-march=k6,-march=i586)
+cflags-$(CONFIG_MK6)           += -march=k6
 # Please note, that patches that add -march=athlon-xp and friends are pointless.
 # They make zero difference whatsosever to performance at this time.
 cflags-$(CONFIG_MK7)           += $(call check_gcc,-march=athlon,-march=i686 $(align)-functions=4)
@@ -49,6 +50,18 @@ cflags-$(CONFIG_MWINCHIP3D)  += $(call check_gcc,-march=winchip2,-march=i586)
 cflags-$(CONFIG_MCYRIXIII)     += $(call check_gcc,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
 cflags-$(CONFIG_MVIAC3_2)      += $(call check_gcc,-march=c3-2,-march=i686)
 
+# AMD Elan support
+cflags-$(CONFIG_X86_ELAN)      += -march=i486
+
+# -mregparm=3 works ok on gcc-3.0 and later
+#
+GCC_VERSION                    := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC))
+cflags-$(CONFIG_REGPARM)       += $(shell if [ $(GCC_VERSION) -ge 0300 ] ; then echo "-mregparm=3"; fi ;)
+
+# Enable unit-at-a-time mode when possible. It shrinks the
+# kernel considerably.
+CFLAGS += $(call check_gcc,-funit-at-a-time,)
+
 # m586 and genericarch is likely a distribution kernel. optimize for the
 # most common CPU (686)
 ifeq ($(CONFIG_X86_GENERICARCH),y)