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Re: [PATCH 01/30] [arm] Use strings for -march, -mcpu and -mtune options
On 9 June 2017 at 14:53, Richard Earnshaw <Richard.Earnshaw@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