2003-02-21 15:31:09

by Stelian Pop

[permalink] [raw]
Subject: [PATCH 2.5.62-bk] use correct gcc flags when compiling for Crusoe

Hi,

This patch makes use of 'check_gcc' facility when compiling for
a Crusoe processor in order to choose the correct -falign or -malign
compiler flags.

Linus, Alan, please apply.

Thanks.

Stelian.

===== arch/i386/Makefile 1.45 vs edited =====
--- 1.45/arch/i386/Makefile Wed Feb 19 03:58:52 2003
+++ edited/arch/i386/Makefile Wed Feb 19 09:32:40 2003
@@ -39,12 +39,12 @@
cflags-$(CONFIG_MK6) += $(call check_gcc,-march=k6,-march=i586)
cflags-$(CONFIG_MK7) += $(call check_gcc,-march=athlon,-march=i686 -malign-functions=4)
cflags-$(CONFIG_MK8) += $(call check_gcc,-march=k8,$(call check_gcc,-march=athlon,-march=i686 -malign-functions=4))
-cflags-$(CONFIG_MCRUSOE) += -march=i686 -malign-functions=0 -malign-jumps=0 -malign-loops=0
+cflags-$(CONFIG_MCRUSOE) += -march=i686
+cflags-$(CONFIG_MCRUSOE) += $(call check_gcc,-falign-functions=0 -falign-jumps=0 -falign-loops=0,-malign-functions=0 -malign-jumps=0 -malign-loops=0)
cflags-$(CONFIG_MWINCHIPC6) += $(call check_gcc,-march=winchip-c6,-march=i586)
cflags-$(CONFIG_MWINCHIP2) += $(call check_gcc,-march=winchip2,-march=i586)
cflags-$(CONFIG_MWINCHIP3D) += -march=i586
cflags-$(CONFIG_MCYRIXIII) += $(call check_gcc,-march=c3,-march=i486)
-# The alignment flags change with gcc 3.2
cflags-$(CONFIG_MCYRIXIII) += $(call check_gcc,-falign-functions=0 -falign-jumps=0 -falign-loops=0,-malign-functions=0 -malign-jumps=0 -malign-loops=0)
cflags-$(CONFIG_MVIAC3_2) += $(call check_gcc,-march=c3-2,-march=i686)

--
Stelian Pop <[email protected]>