Hi!
On Mon, Dec 20, 2021 at 01:55:51PM +0800, HAO CHEN GUI wrote:
> * config/rs6000/rs6000-call.c
> (rs6000_expand_set_fpscr_rn_builtin): Not copy argument to a reg if
> it's a constant. The pattern for constant can be recognized now.
(Two spaces after full stop).
> +;; Return
On Mon, Dec 20, 2021 at 12:56 AM HAO CHEN GUI wrote:
>
> Hi,
> I modified the patch according to David and Segher's advice.
>
> This patch defines a pattern for mffscrni. If the RN is a constant, it can
> call
> gen_rs6000_mffscrni directly. The "rs6000-builtin-new.def" defines prototype
>
On Fri, Dec 17, 2021 at 10:33:12PM -0500, David Edelsohn wrote:
> On Thu, Dec 16, 2021 at 9:43 PM HAO CHEN GUI wrote:
> > +(define_insn "rs6000_mffscrni"
> > + [(set (match_operand:DF 0 "gpc_reg_operand" "=d")
> > + (unspec_volatile:DF [(match_operand:DF 1 "u2bit_cint_operand" "n")]
>
>
On Thu, Dec 16, 2021 at 9:43 PM HAO CHEN GUI wrote:
>
> Hi,
>This patch defines a pattern for mffscrni. If the RN is a constant, it can
> call
> gen_rs6000_mffscrni directly. The "rs6000-builtin-new.def" defines prototype
> for builtin arguments.
> The pattern "rs6000_set_fpscr_rn" is then
