[Libclc-dev] [PATCH] math: Add fmod implementation

[Aaron Watry]

Ping.

On Wed, Sep 10, 2014 at 6:37 PM, Aaron Watry <awatry at gmail.com> wrote:
> Passes piglit tests on evergreen (sent to piglit list).
>
> v2: Use llvm frem instruction for fmod
>
> Signed-off-by: Aaron Watry <awatry at gmail.com>
> ---
>  generic/include/clc/clc.h       |  1 +
>  generic/include/clc/math/fmod.h |  7 +++++
>  generic/lib/SOURCES             |  2 ++
>  generic/lib/math/fmod.cl        | 26 ++++++++++++++++++
>  generic/lib/math/fmod_impl.ll   | 60 +++++++++++++++++++++++++++++++++++++++++
>  5 files changed, 96 insertions(+)
>  create mode 100644 generic/include/clc/math/fmod.h
>  create mode 100644 generic/lib/math/fmod.cl
>  create mode 100644 generic/lib/math/fmod_impl.ll
>
> diff --git a/generic/include/clc/clc.h b/generic/include/clc/clc.h
> index b8c1cb9..94557a1 100644
> --- a/generic/include/clc/clc.h
> +++ b/generic/include/clc/clc.h
> @@ -47,6 +47,7 @@
>  #include <clc/math/fma.h>
>  #include <clc/math/fmax.h>
>  #include <clc/math/fmin.h>
> +#include <clc/math/fmod.h>
>  #include <clc/math/hypot.h>
>  #include <clc/math/log.h>
>  #include <clc/math/log2.h>
> diff --git a/generic/include/clc/math/fmod.h b/generic/include/clc/math/fmod.h
> new file mode 100644
> index 0000000..737679f
> --- /dev/null
> +++ b/generic/include/clc/math/fmod.h
> @@ -0,0 +1,7 @@
> +#define __CLC_BODY <clc/math/binary_decl.inc>
> +#define __CLC_FUNCTION fmod
> +
> +#include <clc/math/gentype.inc>
> +
> +#undef __CLC_BODY
> +#undef __CLC_FUNCTION
> diff --git a/generic/lib/SOURCES b/generic/lib/SOURCES
> index e4ba1d1..141f3f8 100644
> --- a/generic/lib/SOURCES
> +++ b/generic/lib/SOURCES
> @@ -39,6 +39,8 @@ math/exp.cl
>  math/exp10.cl
>  math/fmax.cl
>  math/fmin.cl
> +math/fmod.cl
> +math/fmod_impl.ll
>  math/hypot.cl
>  math/mad.cl
>  math/mix.cl
> diff --git a/generic/lib/math/fmod.cl b/generic/lib/math/fmod.cl
> new file mode 100644
> index 0000000..c15b3dc
> --- /dev/null
> +++ b/generic/lib/math/fmod.cl
> @@ -0,0 +1,26 @@
> +#include <clc/clc.h>
> +#include "../clcmacro.h"
> +
> +#define _FMOD_DEF(TYPE, WIDTH, FUNCTION, CLC_FUNCTION) \
> +_CLC_DECL TYPE##WIDTH CLC_FUNCTION##WIDTH(TYPE##WIDTH, TYPE##WIDTH); \
> +_CLC_OVERLOAD _CLC_DEF TYPE##WIDTH FUNCTION(TYPE##WIDTH x, TYPE##WIDTH y) { \
> +  return CLC_FUNCTION##WIDTH(x, y); \
> +}
> +
> +#define _FMOD_DEF_VECTORIZE(TYPE, FUNCTION, CLC_FUNCTION)\
> +_FMOD_DEF(TYPE,,FUNCTION,CLC_FUNCTION) \
> +_FMOD_DEF(TYPE,2,FUNCTION,CLC_FUNCTION) \
> +_FMOD_DEF(TYPE,3,FUNCTION,CLC_FUNCTION) \
> +_FMOD_DEF(TYPE,4,FUNCTION,CLC_FUNCTION) \
> +_FMOD_DEF(TYPE,8,FUNCTION,CLC_FUNCTION) \
> +_FMOD_DEF(TYPE,16,FUNCTION,CLC_FUNCTION) \
> +
> +_FMOD_DEF_VECTORIZE(float, fmod, __clc_fmodf)
> +
> +#ifdef cl_khr_fp64
> +
> +#pragma OPENCL EXTENSION cl_khr_fp64 : enable
> +
> +_FMOD_DEF_VECTORIZE(double, fmod, __clc_fmod)
> +
> +#endif
> diff --git a/generic/lib/math/fmod_impl.ll b/generic/lib/math/fmod_impl.ll
> new file mode 100644
> index 0000000..66c4982
> --- /dev/null
> +++ b/generic/lib/math/fmod_impl.ll
> @@ -0,0 +1,60 @@
> +
> +define float @__clc_fmodf(float %x, float %y) nounwind readnone alwaysinline {
> +  %result = frem float %x, %y
> +  ret float %result
> +}
> +
> +define <2 x float> @__clc_fmodf2(<2 x float> %x, <2 x float> %y) nounwind readnone alwaysinline {
> +  %result = frem <2 x float> %x, %y
> +  ret <2 x float> %result
> +}
> +
> +define <3 x float> @__clc_fmodf3(<3 x float> %x, <3 x float> %y) nounwind readnone alwaysinline {
> +  %result = frem <3 x float> %x, %y
> +  ret <3 x float> %result
> +}
> +
> +define <4 x float> @__clc_fmodf4(<4 x float> %x, <4 x float> %y) nounwind readnone alwaysinline {
> +  %result = frem <4 x float> %x, %y
> +  ret <4 x float> %result
> +}
> +
> +define <8 x float> @__clc_fmodf8(<8 x float> %x, <8 x float> %y) nounwind readnone alwaysinline {
> +  %result = frem <8 x float> %x, %y
> +  ret <8 x float> %result
> +}
> +
> +define <16 x float> @__clc_fmodf16(<16 x float> %x, <16 x float> %y) nounwind readnone alwaysinline {
> +  %result = frem <16 x float> %x, %y
> +  ret <16 x float> %result
> +}
> +
> +define double @__clc_fmod(double %x, double %y) nounwind readnone alwaysinline {
> +  %result = frem double %x, %y
> +  ret double %result
> +}
> +
> +define <2 x double> @__clc_fmod2(<2 x double> %x, <2 x double> %y) nounwind readnone alwaysinline {
> +  %result = frem <2 x double> %x, %y
> +  ret <2 x double> %result
> +}
> +
> +define <3 x double> @__clc_fmod3(<3 x double> %x, <3 x double> %y) nounwind readnone alwaysinline {
> +  %result = frem <3 x double> %x, %y
> +  ret <3 x double> %result
> +}
> +
> +define <4 x double> @__clc_fmod4(<4 x double> %x, <4 x double> %y) nounwind readnone alwaysinline {
> +  %result = frem <4 x double> %x, %y
> +  ret <4 x double> %result
> +}
> +
> +define <8 x double> @__clc_fmod8(<8 x double> %x, <8 x double> %y) nounwind readnone alwaysinline {
> +  %result = frem <8 x double> %x, %y
> +  ret <8 x double> %result
> +}
> +
> +define <16 x double> @__clc_fmod16(<16 x double> %x, <16 x double> %y) nounwind readnone alwaysinline {
> +  %result = frem <16 x double> %x, %y
> +  ret <16 x double> %result
> +}
> --
> 1.9.1
>