On 13/06/17 14:23, Christophe Lyon wrote:
> On 9 June 2017 at 14:53, Richard Earnshaw <richard.earns...@arm.com> wrote:
>>
>> In order to support more complex specifications for cpus and architectures
>> we need to move away from using enumerations to represent the set of
>> permitted options.  This basic change just moves the option parsing
>> infrastructure over to that, but changes nothing more beyond generating
>> a hint when the specified option does not match a known target (previously
>> the help option was able to print out all the permitted values, but we
>> can no-longer do that.
>>
>>         * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
>>         (x_arm_cpu_string, x_arm_tune_string): Likewise.
>>         (march, mcpu, mtune): Convert to string-based options.
>>         * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
>>         (arm_parse_arch_cpu_name): New function.
>>         (arm_configure_build_target): Use arm_parse_arch_cpu_name to
>>         identify selected architecture or CPU.
>>         (arm_option_save): New function.
>>         (TARGET_OPTION_SAVE): Redefine.
>>         (arm_option_restore): Restore string options.
>>         (arm_option_print): Print string options.
>> ---
>>  gcc/config/arm/arm.c   | 92 
>> ++++++++++++++++++++++++++++++++++++++++++++------
>>  gcc/config/arm/arm.opt | 15 ++++++--
>>  2 files changed, 94 insertions(+), 13 deletions(-)
>>
> 
> 
> I've noticed a typo (:premitted):
> +/* List the premitted CPU or architecture names.  If TARGET is a near
> 

Thanks.  That code gets moved to arm-common.c later on.  I'll fix up the
moved copies.

R.

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