Subversion Repositories openrisc_2011-10-31

/* { dg-do compile } */

/* { dg-require-effective-target ilp32 } */

/* { dg-require-effective-target sse2 } */

/* { dg-options "-O3 -msse2 -fdump-rtl-csa" } */

/* { dg-skip-if "no stdint" { vxworks_kernel } } */

#include <emmintrin.h>

#include <stdint.h>

typedef __SIZE_TYPE__ size_t;

typedef float vFloat __attribute__ ((__vector_size__ (16)));

typedef double vDouble __attribute__ ((__vector_size__ (16)));

typedef struct buf

{

  void *data;

  unsigned long h;

  unsigned long  w;

  size_t bytes;

} buf;

typedef struct job

{

  struct Job *next;

  void * info;

  long (*func)(struct Job *job);

  long error;

} job;

typedef struct fj

{

    job hd;

    buf src;

    buf dest;

    float g;

    unsigned int flags;

} fj;

static const double r[256], t[256];

long bar (const buf *src, const buf *dest, float g, unsigned int flags)

{

  float *d0 = (float*) src->data;

  float *d1 = (float*) dest->data;

  uintptr_t w = dest->w;

  uintptr_t idx;

  vFloat p0;

  static const vFloat m0;

  static const vDouble p[3], m, b;

  float *sr = d0;

  float *dr = d1;

  for( idx = 0; idx + 8 <= w; idx += 8 )

  {

    vFloat f0 = _mm_loadu_ps (sr);

    vFloat f1 = _mm_loadu_ps (sr + 4);

    sr += 8;

    vFloat fa0 = _mm_andnot_ps (m0, f0);

    vFloat fa1 = _mm_andnot_ps (m0, f1);

    vDouble v0 = _mm_cvtps_pd (fa0);

    vDouble v1 = _mm_cvtps_pd (_mm_movehl_ps (fa0, fa0));

    vDouble v2 = _mm_cvtps_pd (fa1);

    vDouble v3 = _mm_cvtps_pd (_mm_movehl_ps (fa1, fa1));

    vDouble  vi0, vi1, vi2, vi3;

    __m128i b0, b1, b2, b3;

    b0 = _mm_packs_epi32 (_mm_packs_epi32 (b0, b1), _mm_packs_epi32 (b2, b3));

    b1 = _mm_srli_epi64 (b0, 32);

    unsigned int i0 = _mm_cvtsi128_si32 (b0);

    unsigned int i2 = _mm_cvtsi128_si32 (b1);

    v0 -= _mm_loadh_pd (_mm_load_sd (r + (i0 & 0xff)), r + (i0 >> 16));

    v1 -= _mm_loadh_pd (_mm_load_sd (r + (i2 & 0xff)), r + (i2 >> 16));

    b0 = _mm_unpackhi_epi64 (b0, b0);

    b1 = _mm_unpackhi_epi64 (b1, b1);

    unsigned int i4 = _mm_cvtsi128_si32 (b0);

    unsigned int i6 = _mm_cvtsi128_si32 (b1);

    v2 -= _mm_loadh_pd (_mm_load_sd (r + (i4 & 0xff)), r + (i4 >> 16));

    v3 -= _mm_loadh_pd (_mm_load_sd (r + (i6 & 0xff)), r + (i6 >> 16));

    v0 = p[0] + (p[1] + p[2] * v0) * v0;

    v1 = p[0] + (p[1] + p[2] * v1) * v1;

    v2 = p[0] + (p[1] + p[2] * v2) * v2;

    v3 = p[0] + (p[1] + p[2] * v3) * v3;

    vi0 = (vDouble) _mm_slli_epi64 ((__m128i)((vi0 + b) + m), 52);

    vi1 = (vDouble) _mm_slli_epi64 ((__m128i)((vi1 + b) + m), 52);

    vi2 = (vDouble) _mm_slli_epi64 ((__m128i)((vi2 + b) + m), 52);

    vi3 = (vDouble) _mm_slli_epi64 ((__m128i)((vi3 + b) + m), 52);

    vi0 *= _mm_loadh_pd (_mm_load_sd (t + (i0 & 0xff)), t + (i0 >> 16));

    vi1 *= _mm_loadh_pd (_mm_load_sd (t + (i2 & 0xff)), t + (i2 >> 16));

    vi2 *= _mm_loadh_pd (_mm_load_sd (t + (i4 & 0xff)), t + (i4 >> 16));

    vi3 *= _mm_loadh_pd (_mm_load_sd (t + (i6 & 0xff)), t + (i6 >> 16));

    v0 *= vi0;

    v1 *= vi1;

    v2 *= vi2;

    v3 *= vi3;

    vFloat r0 = _mm_movelh_ps (_mm_cvtpd_ps( v0 ), _mm_cvtpd_ps (v1));

    vFloat r1 = _mm_movelh_ps (_mm_cvtpd_ps( v2 ), _mm_cvtpd_ps (v3));

    vFloat z0 = _mm_cmpeq_ps (f0, _mm_setzero_ps());

    vFloat z1 = _mm_cmpeq_ps (f1, _mm_setzero_ps());

    r0 = _mm_andnot_ps (z0, r0);

    r1 = _mm_andnot_ps (z1, r1);

    z0 = _mm_and_ps (z0, p0);

    z1 = _mm_and_ps (z1, p0);

    r0 = _mm_or_ps (r0, z0);

    r1 = _mm_or_ps (r1, z1);

    _mm_storeu_ps (dr, r0);

    _mm_storeu_ps (dr + 4, r1);

    dr += 8;

  }

  return 0;

}

long foo (job *j )

{

  fj *jd = (fj*) j;

  return bar (&jd->src, &jd->dest, jd->g, jd->flags);

}

/* { dg-final { scan-rtl-dump-not "deleted 1 dead insns" "csa" } } */

/* { dg-final { cleanup-rtl-dump "csa" } } */