On 20 August 2014 20:51, Carrot Wei <car...@google.com> wrote:
> Good suggestion. Add the testcase.
>
> thanks
> Guozhi Wei
>
> 2014-08-20 Guozhi Wei <car...@google.com>
>
> PR target/62040
> * gcc.target/aarch64/pr62040.c: New test.
>
> Index: pr62040.c
> ===================================================================
> --- pr62040.c (revision 0)
> +++ pr62040.c (revision 0)
> @@ -0,0 +1,19 @@
> +/* { dg-do compile } */
> +/* { dg-options "-g -Os" } */
> +
> +#include "arm_neon.h"
> +
> +extern bar(int32x4_t);
> +
> +void foo() {
> + int32x4x4_t rows;
> + uint64x2x2_t row01;
> +
> + row01.val[0] = vreinterpretq_u64_s32(rows.val[0]);
> + row01.val[1] = vreinterpretq_u64_s32(rows.val[1]);
> + uint64x1_t row3l = vget_low_u64(row01.val[0]);
> + row01.val[0] = vcombine_u64(vget_low_u64(row01.val[1]), row3l);
> + int32x4_t xxx = vreinterpretq_s32_u64(row01.val[0]);
> + int32x4_t out = vtrn1q_s32 (xxx, xxx);
> + bar(out);
> +}
GNU coding style please.
/Marcus
