37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
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/* { dg-do compile } */
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/* { dg-require-effective-target powerpc_p8vector_ok } */
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/* { dg-options "-mdejagnu-cpu=power8 -O3 " } */
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/* { dg-final { scan-assembler-times "lxvd2x" 2 } } */
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/* { dg-final { scan-assembler-times "stxvd2x" 1 } } */
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/* { dg-final { scan-assembler-times "xxpermdi" 3 } } */
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/* Verify that swap optimization works correctly for a VSX direct splat.
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The three xxpermdi's that are generated correspond to two splats
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and the __builtin_vsx_xxpermdi. */
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int printf (const char *__restrict __format, ...);
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typedef double __m128d __attribute__ ((__vector_size__ (16), __may_alias__));
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double s1[] = {2134.3343, 6678.346};
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double s2[] = {41124.234, 6678.346};
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long long dd[] = {1, 2}, d[2];
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union{long long l[2]; double d[2];} e;
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void
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foo ()
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{
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__m128d source1, source2, dest;
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__m128d a, b, c;
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e.d[1] = s1[1];
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e.l[0] = !__builtin_isunordered(s1[0], s2[0])
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&& s1[0] == s2[0] ? -1 : 0;
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source1 = __builtin_vec_vsx_ld (0, s1);
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source2 = __builtin_vec_vsx_ld (0, s2);
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a = __builtin_vec_splat (source1, 0);
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b = __builtin_vec_splat (source2, 0);
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c = (__m128d)__builtin_vec_cmpeq (a, b);
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dest = __builtin_vsx_xxpermdi (source1, c, 1);
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*(__m128d *)d = dest;
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}
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