73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/* { dg-do run } */
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/* { dg-options "-O3 -mpower8-vector -Wno-psabi" } */
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/* { dg-require-effective-target p8vector_hw } */
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#ifndef CHECK_H
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#define CHECK_H "sse2-check.h"
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#endif
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#include CHECK_H
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#ifndef TEST
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#define TEST sse2_test_psubusb_1
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#endif
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#include <emmintrin.h>
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static __m128i
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__attribute__((noinline, unused))
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test (__m128i s1, __m128i s2)
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{
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__asm("" : "+v"(s1), "+v"(s2));
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return _mm_subs_epu8 (s1, s2);
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}
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static void
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TEST (void)
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{
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union128i_b u, s1, s2;
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char e[16] = { 0 };
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int i, tmp;
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s1.x = _mm_set_epi8 (30, 2, 3, 4, 10, 20, 30, 90, 80, 40, 100, 15, 98, 25, 98, 7);
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s2.x = _mm_set_epi8 (88, 44, 33, 22, 11, 98, 76, 100, 34, 78, 39, 6, 3, 4, 5, 119);
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u.x = test (s1.x, s2.x);
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for (i = 0; i < 16; i++)
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{
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tmp = (unsigned char)s1.a[i] - (unsigned char)s2.a[i];
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if (tmp > 255)
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tmp = -1;
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if (tmp < 0)
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tmp = 0;
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e[i] = tmp;
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}
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if (check_union128i_b (u, e))
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{
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#if DEBUG
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printf ("sse2_test_psubusb_1; check_union128i_b failed\n");
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printf ("\tadds\t([%x,%x,%x,%x, %x,%x,%x,%x,"
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" %x,%x,%x,%x, %x,%x,%x,%x],\n",
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s1.a[0], s1.a[1], s1.a[2], s1.a[3], s1.a[4], s1.a[5], s1.a[6],
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s1.a[7], s1.a[8], s1.a[9], s1.a[10], s1.a[11], s1.a[12],
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s1.a[13], s1.a[14], s1.a[15]);
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printf ("\t\t [%x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x])\n",
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s2.a[0], s2.a[1], s2.a[2], s2.a[3], s2.a[4], s2.a[5], s2.a[6],
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s2.a[7], s2.a[8], s2.a[9], s2.a[10], s2.a[11], s2.a[12],
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s2.a[13], s2.a[14], s2.a[15]);
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printf ("\t ->\t [%x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x]\n",
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u.a[0], u.a[1], u.a[2], u.a[3], u.a[4], u.a[5], u.a[6], u.a[7],
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u.a[8], u.a[9], u.a[10], u.a[11], u.a[12], u.a[13], u.a[14],
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u.a[15]);
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printf ("\texpect\t [%x,%x,%x,%x, %x,%x,%x,%x,"
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" %x,%x,%x,%x, %x,%x,%x,%x]\n",
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e[0], e[1], e[2], e[3], e[4], e[5], e[6], e[7], e[8], e[9],
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e[10], e[11], e[12], e[13], e[14], e[15]);
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#endif
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abort ();
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}
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}
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