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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/* { dg-do run { target { powerpc*-*-* && cell_hw } } } */
/* { dg-do compile { target { powerpc*-*-* && { ! cell_hw } } } } */
/* { dg-require-effective-target powerpc_ppu_ok } */
/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=cell" } } */
/* { dg-options "-O2 -maltivec -mabi=altivec -mcpu=cell" } */
#include <altivec.h>
#include <string.h>
extern void abort (void);
typedef short int sint16;
typedef signed char int8;
int main1(void) __attribute__((noinline));
int main1(void)
{
sint16 test_vector[4] = { 1678, -2356, 19246, -17892 };
int8 test_dst[128] __attribute__(( aligned( 16 )));
float test_out[4] __attribute__(( aligned( 16 )));
int p;
for( p = 0; p < 24; ++p )
{
memset( test_dst, 0, 128 );
memcpy( &test_dst[p], test_vector, 8 );
{
vector float VR, VL, V;
/* load the righthand section of the misaligned vector */
VR = (vector float) vec_lvrx( 8, &test_dst[p] );
VL = (vector float) vec_lvlx( 0, &test_dst[p] );
/* Vector Shift Left Double by Octet Immediate, move the right hand section into the bytes */
VR = vec_vsldoi( VR, VR, 2 << 2 );
/* or those two together */
V = vec_vor( VL, VR );
/* sign extend */
V = (vector float) vec_vupkhsh((vector bool short)V );
/* fixed to float by S16_SHIFT_BITS bits */
V = (vector float) vec_vcfsx ((vector signed int)V, 5 );
vec_stvx( V, 0, &test_out[0] );
if (test_out[0] != 52.437500)
abort ();
if (test_out[1] != -73.625000)
abort ();
if (test_out[2] != 601.437500)
abort ();
if (test_out[3] != -559.125000)
abort ();
}
}
return 0;
}
int main(void)
{
return main1();
}
|
