gcc/testsuite/gcc.target/i386/reload-1.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target ilp32 } */
   3 /* { dg-options "-O3 -msse2 -fdump-rtl-csa" } */
   4
   5 #include <emmintrin.h>
   6 #include <stdint.h>
   7
   8 typedef __SIZE_TYPE__ size_t;
   9 typedef float vFloat __attribute__ ((__vector_size__ (16)));
  10 typedef double vDouble __attribute__ ((__vector_size__ (16)));
  11 typedef struct buf
  12 {
  13   void *data;
  14   unsigned long h;
  15   unsigned long  w;
  16   size_t bytes;
  17 } buf;
  18
  19 typedef struct job
  20 {
  21   struct Job *next;
  22   void * info;
  23   long (*func)(struct Job *job);
  24   long error;
  25 } job;
  26
  27 typedef struct fj
  28 {
  29     job hd;
  30     buf src;
  31     buf dest;
  32     float g;
  33     unsigned int flags;
  34 } fj;
  35
  36 static const double r[256], t[256];
  37
  38 long bar (const buf *src, const buf *dest, float g, unsigned int flags)
  39 {
  40   float *d0 = (float*) src->data;
  41   float *d1 = (float*) dest->data;
  42   uintptr_t w = dest->w;
  43   uintptr_t idx;
  44   vFloat p0;
  45   static const vFloat m0;
  46   static const vDouble p[3], m, b;
  47   float *sr = d0;
  48   float *dr = d1;
  49   for( idx = 0; idx + 8 <= w; idx += 8 )
  50   {
  51     vFloat f0 = _mm_loadu_ps (sr);
  52     vFloat f1 = _mm_loadu_ps (sr + 4);
  53     sr += 8;
  54     vFloat fa0 = _mm_andnot_ps (m0, f0);
  55     vFloat fa1 = _mm_andnot_ps (m0, f1);
  56     vDouble v0 = _mm_cvtps_pd (fa0);
  57     vDouble v1 = _mm_cvtps_pd (_mm_movehl_ps (fa0, fa0));
  58     vDouble v2 = _mm_cvtps_pd (fa1);
  59     vDouble v3 = _mm_cvtps_pd (_mm_movehl_ps (fa1, fa1));
  60     vDouble  vi0, vi1, vi2, vi3;
  61     __m128i b0, b1, b2, b3;
  62     b0 = _mm_packs_epi32 (_mm_packs_epi32 (b0, b1), _mm_packs_epi32 (b2, b3));
  63     b1 = _mm_srli_epi64 (b0, 32);
  64     unsigned int i0 = _mm_cvtsi128_si32 (b0);
  65     unsigned int i2 = _mm_cvtsi128_si32 (b1);
  66     v0 -= _mm_loadh_pd (_mm_load_sd (r + (i0 & 0xff)), r + (i0 >> 16));
  67     v1 -= _mm_loadh_pd (_mm_load_sd (r + (i2 & 0xff)), r + (i2 >> 16));
  68     b0 = _mm_unpackhi_epi64 (b0, b0);
  69     b1 = _mm_unpackhi_epi64 (b1, b1);
  70     unsigned int i4 = _mm_cvtsi128_si32 (b0);
  71     unsigned int i6 = _mm_cvtsi128_si32 (b1);
  72     v2 -= _mm_loadh_pd (_mm_load_sd (r + (i4 & 0xff)), r + (i4 >> 16));
  73     v3 -= _mm_loadh_pd (_mm_load_sd (r + (i6 & 0xff)), r + (i6 >> 16));
  74     v0 = p[0] + (p[1] + p[2] * v0) * v0;
  75     v1 = p[0] + (p[1] + p[2] * v1) * v1;
  76     v2 = p[0] + (p[1] + p[2] * v2) * v2;
  77     v3 = p[0] + (p[1] + p[2] * v3) * v3;
  78     vi0 = (vDouble) _mm_slli_epi64 ((__m128i)((vi0 + b) + m), 52);
  79     vi1 = (vDouble) _mm_slli_epi64 ((__m128i)((vi1 + b) + m), 52);
  80     vi2 = (vDouble) _mm_slli_epi64 ((__m128i)((vi2 + b) + m), 52);
  81     vi3 = (vDouble) _mm_slli_epi64 ((__m128i)((vi3 + b) + m), 52);
  82     vi0 *= _mm_loadh_pd (_mm_load_sd (t + (i0 & 0xff)), t + (i0 >> 16));
  83     vi1 *= _mm_loadh_pd (_mm_load_sd (t + (i2 & 0xff)), t + (i2 >> 16));
  84     vi2 *= _mm_loadh_pd (_mm_load_sd (t + (i4 & 0xff)), t + (i4 >> 16));
  85     vi3 *= _mm_loadh_pd (_mm_load_sd (t + (i6 & 0xff)), t + (i6 >> 16));
  86     v0 *= vi0;
  87     v1 *= vi1;
  88     v2 *= vi2;
  89     v3 *= vi3;
  90     vFloat r0 = _mm_movelh_ps (_mm_cvtpd_ps( v0 ), _mm_cvtpd_ps (v1));
  91     vFloat r1 = _mm_movelh_ps (_mm_cvtpd_ps( v2 ), _mm_cvtpd_ps (v3));
  92     vFloat z0 = _mm_cmpeq_ps (f0, _mm_setzero_ps());
  93     vFloat z1 = _mm_cmpeq_ps (f1, _mm_setzero_ps());
  94     r0 = _mm_andnot_ps (z0, r0);
  95     r1 = _mm_andnot_ps (z1, r1);
  96     z0 = _mm_and_ps (z0, p0);
  97     z1 = _mm_and_ps (z1, p0);
  98     r0 = _mm_or_ps (r0, z0);
  99     r1 = _mm_or_ps (r1, z1);
 100     _mm_storeu_ps (dr, r0);
 101     _mm_storeu_ps (dr + 4, r1);
 102     dr += 8;
 103   }
 104   return 0;
 105 }
 106
 107 long foo (job *j )
 108 {
 109   fj *jd = (fj*) j;
 110   return bar (&jd->src, &jd->dest, jd->g, jd->flags);
 111 }
 112
 113 /* { dg-final { scan-rtl-dump-not "deleted 1 dead insns" "csa" } } */
 114 /* { dg-final { cleanup-rtl-dump "csa" } } */