SkNx: kth<...>() -> [...]

src/opts/SkNx_sse.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkNx_sse_DEFINED
 #define SkNx_sse_DEFINED
 
@@ skipping 47 matching lines @@
     SkNx rsqrt2() const { return this->rsqrt1(); }
 
     SkNx       invert() const { return SkNx(1) / *this; }
     SkNx approxInvert() const { return _mm_rcp_ps(fVec); }
 
     float operator[](int k) const {
         SkASSERT(0 <= k && k < 2);
         union { __m128 v; float fs[4]; } pun = {fVec};
         return pun.fs[k&1];
     }
-    template <int k> float kth() const { return (*this)[k]; }
 
     bool allTrue() const { return 0xff == (_mm_movemask_epi8(_mm_castps_si128(fVec)) & 0xff); }
     bool anyTrue() const { return 0x00 != (_mm_movemask_epi8(_mm_castps_si128(fVec)) & 0xff); }
 
     __m128 fVec;
 };
 
 template <>
 class SkNx<4, float> {
 public:
@@ skipping 31 matching lines @@
     SkNx rsqrt2() const { return this->rsqrt1(); }
 
     SkNx       invert() const { return SkNx(1) / *this; }
     SkNx approxInvert() const { return _mm_rcp_ps(fVec); }
 
     float operator[](int k) const {
         SkASSERT(0 <= k && k < 4);
         union { __m128 v; float fs[4]; } pun = {fVec};
         return pun.fs[k&3];
     }
-    template <int k> float kth() const { return (*this)[k]; }
 
     bool allTrue() const { return 0xffff == _mm_movemask_epi8(_mm_castps_si128(fVec)); }
     bool anyTrue() const { return 0x0000 != _mm_movemask_epi8(_mm_castps_si128(fVec)); }
 
     SkNx thenElse(const SkNx& t, const SkNx& e) const {
         return _mm_or_ps(_mm_and_ps   (fVec, t.fVec),
                          _mm_andnot_ps(fVec, e.fVec));
     }
 
     __m128 fVec;
@@ skipping 21 matching lines @@
     }
 
     SkNx operator << (int bits) const { return _mm_slli_epi32(fVec, bits); }
     SkNx operator >> (int bits) const { return _mm_srai_epi32(fVec, bits); }
 
     int operator[](int k) const {
         SkASSERT(0 <= k && k < 4);
         union { __m128i v; int is[4]; } pun = {fVec};
         return pun.is[k&3];
     }
-    template <int k> int kth() const { return (*this)[k]; }
 
     __m128i fVec;
 };
 
 template <>
 class SkNx<4, uint16_t> {
 public:
     SkNx(const __m128i& vec) : fVec(vec) {}
 
     SkNx() {}
     SkNx(uint16_t val) : fVec(_mm_set1_epi16(val)) {}
     static SkNx Load(const void* ptr) { return _mm_loadl_epi64((const __m128i*)ptr); }
     SkNx(uint16_t a, uint16_t b, uint16_t c, uint16_t d) : fVec(_mm_setr_epi16(a,b,c,d,0,0,0,0)) {}
 
     void store(void* ptr) const { _mm_storel_epi64((__m128i*)ptr, fVec); }
 
     SkNx operator + (const SkNx& o) const { return _mm_add_epi16(fVec, o.fVec); }
     SkNx operator - (const SkNx& o) const { return _mm_sub_epi16(fVec, o.fVec); }
     SkNx operator * (const SkNx& o) const { return _mm_mullo_epi16(fVec, o.fVec); }
 
     SkNx operator << (int bits) const { return _mm_slli_epi16(fVec, bits); }
     SkNx operator >> (int bits) const { return _mm_srli_epi16(fVec, bits); }
 
     uint16_t operator[](int k) const {
         SkASSERT(0 <= k && k < 4);
         union { __m128i v; uint16_t us[8]; } pun = {fVec};
         return pun.us[k&3];
     }
-    template <int k> uint16_t kth() const { return (*this)[k]; }
 
     __m128i fVec;
 };
 
 template <>
 class SkNx<8, uint16_t> {
 public:
     SkNx(const __m128i& vec) : fVec(vec) {}
 
     SkNx() {}
@@ skipping 23 matching lines @@
     SkNx thenElse(const SkNx& t, const SkNx& e) const {
         return _mm_or_si128(_mm_and_si128   (fVec, t.fVec),
                             _mm_andnot_si128(fVec, e.fVec));
     }
 
     uint16_t operator[](int k) const {
         SkASSERT(0 <= k && k < 8);
         union { __m128i v; uint16_t us[8]; } pun = {fVec};
         return pun.us[k&7];
     }
-    template <int k> uint16_t kth() const { return (*this)[k]; }
 
     __m128i fVec;
 };
 
 template <>
 class SkNx<4, uint8_t> {
 public:
     SkNx(const __m128i& vec) : fVec(vec) {}
 
     SkNx() {}
@@ skipping 31 matching lines @@
         // There's no unsigned _mm_cmplt_epu8, so we flip the sign bits then use a signed compare.
         auto flip = _mm_set1_epi8(char(0x80));
         return _mm_cmplt_epi8(_mm_xor_si128(flip, fVec), _mm_xor_si128(flip, o.fVec));
     }
 
     uint8_t operator[](int k) const {
         SkASSERT(0 <= k && k < 16);
         union { __m128i v; uint8_t us[16]; } pun = {fVec};
         return pun.us[k&15];
     }
-    template <int k> uint8_t kth() const { return (*this)[k]; }
 
     SkNx thenElse(const SkNx& t, const SkNx& e) const {
         return _mm_or_si128(_mm_and_si128   (fVec, t.fVec),
                             _mm_andnot_si128(fVec, e.fVec));
     }
 
     __m128i fVec;
 };
 
 template<> /*static*/ inline Sk4f SkNx_cast<float, int>(const Sk4i& src) {
@@ skipping 56 matching lines @@
 
 template<> /*static*/ inline Sk4h SkNx_cast<uint16_t, uint8_t>(const Sk4b& src) {
     return _mm_unpacklo_epi8(src.fVec, _mm_setzero_si128());
 }
 
 template<> /*static*/ inline Sk4b SkNx_cast<uint8_t, uint16_t>(const Sk4h& src) {
     return _mm_packus_epi16(src.fVec, src.fVec);
 }
 
 #endif//SkNx_sse_DEFINED