Re: [PATCH][ARM][1/2] Implement lceil, lfloor, lround optabs with new ARMv8-A instructions

Tue, 02 Sep 2014 08:48:59 -0700 


On 02/09/14 16:34, Kyrill Tkachov wrote:

Hi all,

This patch implements the {lceil, lfloor, lround}si{sf, df}2 optabs in a
similar way to fcvt in aarch64. We use the new ARMv8 FP convert with
rounding instructions vcvt{a,p,m} for that.

Bootstrapped and tested on arm-none-linux-gnueabihf.

Ok for trunk?


Ok .

Ramana



Thanks,
Kyrill

2014-09-02  Kyrylo Tkachov  <kyrylo.tkac...@arm.com>

      PR target/62275
      * config/arm/iterators.md (FIXUORS): New code iterator.
      (VCVT): New int iterator.
      (su_optab): New code attribute.
      (su): Likewise.
      * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): New pattern.

2014-09-02  Kyrylo Tkachov  <kyrylo.tkac...@arm.com>

      PR target/62275
      * gcc.target/arm/lceil-vcvt_1.c: New test.
      * gcc.target/arm/lfloor-vcvt_1.c: Likewise.
      * gcc.target/arm/lround-vcvt_1.c: Likewise.























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