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Re: [PATCH] more enhancements to df on the mainline.
> @@ -1160,6 +1162,12 @@ static struct mips_rtx_cost_data const m
> #undef TARGET_ATTRIBUTE_TABLE
> #define TARGET_ATTRIBUTE_TABLE mips_attribute_table
>
> +#undef TARGET_EXTRA_LIVE_ON_ENTRY
> +/* With -mabicalls (which is the default on GNU/Linux),
> + PIC_FUNCTION_ADDR_REGNUM is live on function entry and is to
> + initialize $28, which is PIC_OFFSET_TABLE_REGNUM. */
> +#define TARGET_EXTRA_LIVE_ON_ENTRY mips_extra_live_on_entry
> +
> struct gcc_target targetm = TARGET_INITIALIZER;
>
The overrides themselves generally don't have comments, and you don't
need this one. The comment above mips_extra_live_on_entry is fine
on its own.
Richard