gcc/testsuite/gcc.target/powerpc/pr37191.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */
   3 /* { dg-options "-O3 -mvsx" } */
   4 /* { dg-additional-options "-mdejagnu-cpu=power8" { target { ! has_arch_pwr8 } } } */
   5 /* { dg-require-effective-target p8vector_hw } */
   6
   7 #define NO_WARN_X86_INTRINSICS 1
   8
   9 #include <mmintrin.h>
  10 #include <stddef.h>
  11 #include <stdint.h>
  12
  13 #if 0
  14 extern const uint64_t ff_bone;
  15 #endif
  16
  17 static inline void transpose4x4(uint8_t *dst, uint8_t *src, ptrdiff_t dst_stride, ptrdiff_t src_stride) {
  18   __m64 row0 = _mm_cvtsi32_si64(*(unsigned*)(src + (0 * src_stride)));
  19   __m64 row1 = _mm_cvtsi32_si64(*(unsigned*)(src + (1 * src_stride)));
  20   __m64 row2 = _mm_cvtsi32_si64(*(unsigned*)(src + (2 * src_stride)));
  21   __m64 row3 = _mm_cvtsi32_si64(*(unsigned*)(src + (3 * src_stride)));
  22   __m64 tmp0 = _mm_unpacklo_pi8(row0, row1);
  23   __m64 tmp1 = _mm_unpacklo_pi8(row2, row3);
  24   __m64 row01 = _mm_unpacklo_pi16(tmp0, tmp1);
  25   __m64 row23 = _mm_unpackhi_pi16(tmp0, tmp1);
  26   *((unsigned*)(dst + (0 * dst_stride))) = _mm_cvtsi64_si32(row01);
  27   *((unsigned*)(dst + (1 * dst_stride))) = _mm_cvtsi64_si32(_mm_unpackhi_pi32(row01, row01));
  28   *((unsigned*)(dst + (2 * dst_stride))) = _mm_cvtsi64_si32(row23);
  29   *((unsigned*)(dst + (3 * dst_stride))) = _mm_cvtsi64_si32(_mm_unpackhi_pi32(row23, row23));
  30 }
  31
  32 #if 0
  33 static inline void h264_loop_filter_chroma_intra_mmx2(uint8_t *pix, int stride, int alpha1, int beta1)
  34 {
  35     asm volatile(
  36         ""
  37         :: "r"(pix-2*stride), "r"(pix), "r"((long)stride),
  38            "m"(alpha1), "m"(beta1), "m"(ff_bone)
  39     );
  40 }
  41 #endif
  42
  43 void h264_h_loop_filter_chroma_intra_mmx2(uint8_t *pix, int stride, int alpha, int beta)
  44 {
  45   uint8_t trans[8*4] __attribute__ ((aligned (8)));
  46   transpose4x4(trans, pix-2, 8, stride);
  47   transpose4x4(trans+4, pix-2+4*stride, 8, stride);
  48 //    h264_loop_filter_chroma_intra_mmx2(trans+2*8, 8, alpha-1, beta-1);
  49   transpose4x4(pix-2, trans, stride, 8);
  50   transpose4x4(pix-2+4*stride, trans+4, stride, 8);
  51 }