aboutsummaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.target/powerpc/fold-vec-splat-floatdouble.c
blob: 965fceeb26aec1b40ef8f7f129bcb7a0b67dc696 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
/* Verify that overloaded built-ins for vec_splat with float and
   double inputs produce the right code.  */

/* { dg-do compile } */
/* { dg-options "-mvsx -O2" } */
/* { dg-require-effective-target powerpc_vsx } */

#include <altivec.h>

/* Floats.  */
vector float testf_00 (vector float x) { return vec_splat (x, 0b00000); }
vector float testf_01 (vector float x) { return vec_splat (x, 0b00001); }
vector float testf_02 (vector float x) { return vec_splat (x, 0b00010); }
vector float test_fc ()
{ const vector float y = { 7.1, 8.2, 9.3, 10.4}; return vec_splat (y, 0b00010); }

/* Doubles.  */
vector double testd_00 (vector double x) { return vec_splat (x, 0b00000); }
vector double testd_01 (vector double x) { return vec_splat (x, 0b00001); }
vector double test_dc ()
{ const vector double y = { 3.0, 5.0 }; return vec_splat (y, 0b00001); }

/* If the source vector is a known constant, we will generate a load or possibly
   XXSPLTIW/XXSPLTIDP.  */
/* { dg-final { scan-assembler-times {\mlvx\M|\mlxvd2x\M|\mlxv\M|\mplxv\M|\mxxspltiw\M|\mxxspltidp\M} 2 } } */

/* For float types, we generate a splat.  */
/* { dg-final { scan-assembler-times {\mvspltw\M|\mxxspltw\M} 3 } } */

/* For double types, we will generate xxpermdi instructions.  */
/* { dg-final { scan-assembler-times "xxpermdi" 2 } } */