gcc/testsuite/gcc.target/powerpc/recip-5.c

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */
   3 /* { dg-require-effective-target powerpc_vsx_ok } */
   4 /* { dg-options "-O3 -ftree-vectorize -mrecip=all -ffast-math -mcpu=power7 -fno-unroll-loops" } */
   5 /* { dg-final { scan-assembler-times "xvredp" 4 } } */
   6 /* { dg-final { scan-assembler-times "xvresp" 5 } } */
   7 /* { dg-final { scan-assembler-times "xsredp\|fre\ " 2 } } */
   8 /* { dg-final { scan-assembler-times "fres\|xsresp" 2 } } */
   9 /* { dg-final { scan-assembler-times "fmuls\|xsmulsp" 2 } } */
  10 /* { dg-final { scan-assembler-times "fnmsubs\|xsnmsub.sp" 2 } } */
  11 /* { dg-final { scan-assembler-times "xsmuldp\|fmul\ " 2 } } */
  12 /* { dg-final { scan-assembler-times "xsnmsub.dp\|fnmsub\ " 4 } } */
  13 /* { dg-final { scan-assembler-times "xvmulsp" 7 } } */
  14 /* { dg-final { scan-assembler-times "xvnmsub.sp" 5 } } */
  15 /* { dg-final { scan-assembler-times "xvmuldp" 6 } } */
  16 /* { dg-final { scan-assembler-times "xvnmsub.dp" 8 } } */
  17
  18 #include <altivec.h>
  19
  20 float f_recip (float a, float b) { return __builtin_recipdivf (a, b); }
  21 double d_recip (double a, double b) { return __builtin_recipdiv (a, b); }
  22
  23 float f_div (float a, float b) { return a / b; }
  24 double d_div (double a, double b) { return a / b; }
  25
  26 #define SIZE 1024
  27
  28 double d_a[SIZE] __attribute__((__aligned__(32)));
  29 double d_b[SIZE] __attribute__((__aligned__(32)));
  30 double d_c[SIZE] __attribute__((__aligned__(32)));
  31
  32 float f_a[SIZE] __attribute__((__aligned__(32)));
  33 float f_b[SIZE] __attribute__((__aligned__(32)));
  34 float f_c[SIZE] __attribute__((__aligned__(32)));
  35
  36 void vec_f_recip (void)
  37 {
  38   int i;
  39
  40   for (i = 0; i < SIZE; i++)
  41     f_a[i] = __builtin_recipdivf (f_b[i], f_c[i]);
  42 }
  43
  44 void vec_d_recip (void)
  45 {
  46   int i;
  47
  48   for (i = 0; i < SIZE; i++)
  49     d_a[i] = __builtin_recipdiv (d_b[i], d_c[i]);
  50 }
  51
  52 void vec_f_div (void)
  53 {
  54   int i;
  55
  56   for (i = 0; i < SIZE; i++)
  57     f_a[i] = f_b[i] / f_c[i];
  58 }
  59
  60 void vec_f_div2 (void)
  61 {
  62   int i;
  63
  64   for (i = 0; i < SIZE; i++)
  65     f_a[i] = f_b[i] / 2.0f;
  66 }
  67
  68 void vec_f_div53 (void)
  69 {
  70   int i;
  71
  72   for (i = 0; i < SIZE; i++)
  73     f_a[i] = f_b[i] / 53.0f;
  74 }
  75
  76 void vec_d_div (void)
  77 {
  78   int i;
  79
  80   for (i = 0; i < SIZE; i++)
  81     d_a[i] = d_b[i] / d_c[i];
  82 }
  83
  84 void vec_d_div2 (void)
  85 {
  86   int i;
  87
  88   for (i = 0; i < SIZE; i++)
  89     d_a[i] = d_b[i] / 2.0;
  90 }
  91
  92 void vec_d_div53 (void)
  93 {
  94   int i;
  95
  96   for (i = 0; i < SIZE; i++)
  97     d_a[i] = d_b[i] / 53.0;
  98 }
  99
 100 vector float v4sf_recip1 (vector float a, vector float b) { return vec_recipdiv (a, b); }
 101 vector float v4sf_recip2 (vector float a, vector float b) { return __builtin_altivec_vrecipdivfp (a, b); }
 102 vector double v2df_recip1 (vector double a, vector double b) { return vec_recipdiv (a, b); }
 103 vector float v4sf_recip3 (vector float a, vector float b) { return __builtin_vsx_xvrecipdivsp (a, b); }
 104 vector double v2df_recip2 (vector double a, vector double b) { return __builtin_vsx_xvrecipdivdp (a, b); }