On 17/12/13 10:40, James Greenhalgh wrote: > > Hi, > > This patch adds machinery to the driver to ensure that big.LITTLE > style tuning names are rewritten before they are passed to the > assembler. This reduces the coupling needed between GCC versions > and assembler versions. > > The rule is simple, we truncate the CPU name at the first '.' > character we see. > > Thus -mcpu=cortex-a15.cortex-a7 would be truncated to -mcpu=cortex-a15. > > Bootstrapped on a ChromeBook and checked for an arm-none-eabi and > an arm-none-linux-gnueabi build. > > Thanks, > James > > --- > gcc/ > > 2013-12-17 James Greenhalgh <james.greenha...@arm.com> > > * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): New. > (arm_rewrite_mcpu): Likewise. > * config/arm/arm-protos.h (arm_rewrite_selected_cpu): New. > * config/arm/arm.h (BIG_LITTLE_SPEC): New. > (BIG_LITTLE_SPEC_FUNCTIONS): Likewise. > (EXTRA_SPEC_FUNCTIONS): Include BIG_LITTLE_SPEC_FUNCTIONS. > (ASM_CPU_SPEC): Include BIG_LITTLE_SPEC. > * config/arm/arm.c (arm_file_start): Rewrite arm_selecetd_cpu values. >
OK. R.
