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added SKX target definition

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Andrey Shishpanov
2016-02-12 18:22:48 +03:00
parent 28227f1a8b
commit 1324e6cdd5
9 changed files with 195 additions and 33 deletions
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builtins/target-skx.ll Normal file
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;; Copyright (c) 2016, Intel Corporation
;; All rights reserved.
;;
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions are
;; met:
;;
;; * Redistributions of source code must retain the above copyright
;; notice, this list of conditions and the following disclaimer.
;;
;; * Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;;
;; * Neither the name of Intel Corporation nor the names of its
;; contributors may be used to endorse or promote products derived from
;; this software without specific prior written permission.
;;
;;
;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
;; IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
;; TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
;; PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
;; OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
;; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
;; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
;; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
;; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
define(`WIDTH',`16')
ifelse(LLVM_VERSION, LLVM_3_8,
`include(`target-avx512-common.ll')',
LLVM_VERSION, LLVM_3_9,
`include(`target-avx512-common.ll')'
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; rcp
declare <16 x float> @llvm.x86.avx512.rcp14.ps.512(<16 x float>, <16 x float>, i16) nounwind readnone
define <16 x float> @__rcp_varying_float(<16 x float>) nounwind readonly alwaysinline {
%call = call <16 x float> @llvm.x86.avx512.rcp14.ps.512(<16 x float> %0, <16 x float> undef, i16 -1)
; do one Newton-Raphson iteration to improve precision
; float iv = __rcp_v(v);
; return iv * (2. - v * iv);
%v_iv = fmul <16 x float> %0, %call
%two_minus = fsub <16 x float> <float 2., float 2., float 2., float 2.,
float 2., float 2., float 2., float 2.,
float 2., float 2., float 2., float 2.,
float 2., float 2., float 2., float 2.>, %v_iv
%iv_mul = fmul <16 x float> %call, %two_minus
ret <16 x float> %iv_mul
}
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; rsqrt
declare <16 x float> @llvm.x86.avx512.rsqrt14.ps.512(<16 x float>, <16 x float>, i16) nounwind readnone
define <16 x float> @__rsqrt_varying_float(<16 x float> %v) nounwind readonly alwaysinline {
%is = call <16 x float> @llvm.x86.avx512.rsqrt14.ps.512(<16 x float> %v, <16 x float> undef, i16 -1)
; Newton-Raphson iteration to improve precision
; float is = __rsqrt_v(v);
; return 0.5 * is * (3. - (v * is) * is);
%v_is = fmul <16 x float> %v, %is
%v_is_is = fmul <16 x float> %v_is, %is
%three_sub = fsub <16 x float> <float 3., float 3., float 3., float 3.,
float 3., float 3., float 3., float 3.,
float 3., float 3., float 3., float 3.,
float 3., float 3., float 3., float 3.>, %v_is_is
%is_mul = fmul <16 x float> %is, %three_sub
%half_scale = fmul <16 x float> <float 0.5, float 0.5, float 0.5, float 0.5,
float 0.5, float 0.5, float 0.5, float 0.5,
float 0.5, float 0.5, float 0.5, float 0.5,
float 0.5, float 0.5, float 0.5, float 0.5>, %is_mul
ret <16 x float> %half_scale
}
;;saturation_arithmetic_novec()