From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Brownell <david-b@pacbell.net>
Date: Fri, 18 Jan 2008 12:50:50 -0800
Subject: [U-Boot-Users] [patch u-boot git 2/3] better ARM9 compiler options
Message-ID: <200801181250.50303.david-b@pacbell.net>
List-Id: <u-boot.lists.denx.de>
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To: u-boot@lists.denx.de

Update some ARM9 builds to pass the exact CPU to GCC, when the compiler
supports that specification.  This stops pessimizing codegen, and removes
voluminous warnings about (no) interworking support from EABI compilers.
(Like CodeSourcery's ARM 2007q3 release.)

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>

--- u-boot.orig/cpu/arm920t/config.mk	2008-01-13 10:42:55.000000000 -0800
+++ u-boot/cpu/arm920t/config.mk	2008-01-13 11:05:02.000000000 -0800
@@ -24,11 +24,11 @@
 PLATFORM_RELFLAGS += -fno-strict-aliasing  -fno-common -ffixed-r8 \
 	-msoft-float
 
-PLATFORM_CPPFLAGS += -march=armv4
 # =========================================================================
 #
 # Supply options according to compiler version
 #
 # =========================================================================
+PLATFORM_CPPFLAGS +=$(call cc-option,-mcpu=arm920t,-march=armv4)
 PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
 PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
--- u-boot.orig/cpu/arm926ejs/config.mk	2008-01-13 10:42:55.000000000 -0800
+++ u-boot/cpu/arm926ejs/config.mk	2008-01-13 11:04:56.000000000 -0800
@@ -24,11 +24,11 @@
 PLATFORM_RELFLAGS += -fno-strict-aliasing  -fno-common -ffixed-r8 \
 	-msoft-float
 
-PLATFORM_CPPFLAGS += -march=armv4
 # =========================================================================
 #
 # Supply options according to compiler version
 #
 # =========================================================================
+PLATFORM_CPPFLAGS +=$(call cc-option,-mcpu=arm926ej-s,-march=armv4)
 PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
 PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))