1 /* { dg-do compile } */
2 /* { dg-options "-mdejagnu-cpu=power8 -mvsx -O3 " } */
3 /* { dg-require-effective-target powerpc_vsx } */
5 /* Previous versions of this test required that the assembler does not
6 contain xxpermdi or xxswapd. However, with the more sophisticated
7 code generation used today, it is now possible that xxpermdi (aka
8 xxswapd) show up without being part of a lxvd2x or stxvd2x
13 extern void abort (void);
16 const vector
float y
= { 0.0F
, 0.1F
, 0.2F
, 0.3F
};
22 return y
; /* Remove 1 swap and use lvx. */
28 x
= y
; /* Remove 2 redundant swaps here. */
29 return x
; /* Remove 1 swap and use lvx. */
32 void __attribute__ ((noinline
))
33 fill_local (vector
float *vp
)
35 *vp
= x
; /* Remove 2 redundant swaps here. */
38 /* Test aligned load from local. */
44 /* Need to be clever here because v will normally reside in a
45 register rather than memory. */
47 return v
; /* Remove 1 swap and use lvx. */
51 /* Test aligned load from pointer. */
53 foo3 (vector
float *arg
)
55 return *arg
; /* Remove 1 swap and use lvx. */
58 /* In this structure, the compiler should insert padding to assure
59 that a_vector is properly aligned. */
62 vector
float a_vector
;
68 return bp
->a_vector
; /* Remove 1 swap and use lvx. */
71 /* Test aligned store to global. */
73 baz (vector
float arg
)
75 x
= arg
; /* Remove 1 swap and use stvx. */
78 void __attribute__ ((noinline
))
79 copy_local (vector
float *arg
)
81 x
= *arg
; /* Remove 2 redundant swaps. */
85 /* Test aligned store to local. */
87 baz1 (vector
float arg
)
91 /* Need cleverness, because v will normally reside in a register
92 rather than memory. */
93 v
= arg
; /* Aligned store to local: remove 1
98 /* Test aligned store to pointer. */
100 baz2 (vector
float *arg1
, vector
float arg2
)
102 /* Assume arg2 resides in register. */
103 *arg1
= arg2
; /* Remove 1 swap and use stvx. */
107 baz3 (struct bar
*bp
, vector
float v
)
109 /* Assume v resides in register. */
110 bp
->a_vector
= v
; /* Remove 1 swap and use stvx. */
114 main (float argc
, float *argv
[])
116 vector
float fetched_value
= foo ();
117 if (fetched_value
[0] != 0.0F
|| fetched_value
[3] != 0.3F
)
120 fetched_value
= foo1 ();
121 if (fetched_value
[1] != 0.1F
|| fetched_value
[2] != 0.2F
)
124 fetched_value
= foo2 ();
125 if (fetched_value
[2] != 0.2F
|| fetched_value
[1] != 0.1F
)
128 fetched_value
= foo3 (&x
);
129 if (fetched_value
[3] != 0.3F
|| fetched_value
[0] != 0.0F
)
133 a_struct
.a_vector
= x
; /* Remove 2 redundant swaps. */
134 fetched_value
= foo4 (&a_struct
);
135 if (fetched_value
[2] != 0.2F
|| fetched_value
[3] != 0.3F
)
144 if (x
[0] != 0.7F
|| x
[3] != 0.4F
)
147 vector
float source
= { 0.8F
, 0.7F
, 0.6F
, 0.5F
};
150 if (x
[3] != 0.6F
|| x
[2] != 0.7F
)
154 baz2 (&dest
, source
);
155 if (dest
[0] != 0.8F
|| dest
[1] != 0.7F
)
158 baz3 (&a_struct
, source
);
159 if (a_struct
.a_vector
[3] != 0.5F
|| a_struct
.a_vector
[0] != 0.8F
)