2 /* { dg-require-effective-target sse4 } */
3 /* { dg-options "-O2 -msse4.1" } */
4 /* { dg-skip-if "no M_PI" { vxworks_kernel } } */
6 #include "sse4_1-check.h"
15 init_round (float *src
)
20 for (i
= 0; i
< NUM
; i
++)
22 src
[i
] = (i
+ 1)* f
* M_PI
* sign
;
28 else if (i
== (NUM
/ 2))
30 else if ((i
% 6) == 0)
31 f
= 1 / (f
* (i
+ 1) * src
[i
] * M_PI
*sign
);
37 do_round (float f
, int type
)
39 unsigned short saved_cw
, new_cw
, clr_mask
;
49 type
= 0x003F | ((type
& 3) << 10);
53 __asm__ ("fnstcw %0" : "=m" (saved_cw
));
55 new_cw
= saved_cw
& clr_mask
;
58 __asm__ ("fldcw %2\n\t"
60 "fldcw %3" : "=t" (ret
)
61 : "0" (f
), "m" (new_cw
), "m" (saved_cw
));
77 memset (&dst
, 0, NUM
* sizeof(float));
79 for (i
= 0; i
< NUM
/ 4 ; i
++)
80 dst
.x
[i
] = _mm_round_ss (dst
.x
[i
], src
.x
[i
], _MM_FROUND_RINT
);
82 for (i
= 0; i
< NUM
; i
+= 4)
84 for (j
= 0; j
< 3; j
++)
85 if (dst
.f
[i
+ j
+ 1] != 0.0)
88 f
= do_round (src
.f
[i
], 0x04);
93 for (i
= 0; i
< NUM
/ 4 ; i
++)
94 dst
.x
[i
] = _mm_round_ss (dst
.x
[i
], src
.x
[i
], _MM_FROUND_NEARBYINT
);
96 for (i
= 0; i
< NUM
; i
+= 4)
98 for (j
= 0; j
< 3; j
++)
99 if (dst
.f
[i
+ j
+ 1] != 0.0)
102 f
= do_round (src
.f
[i
], 0x0c);