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,))