124 lines
2.3 KiB
C
124 lines
2.3 KiB
C
/* { dg-do run } */
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/* { dg-options "-O2 -msse" } */
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#include "sse-check.h"
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#include <xmmintrin.h>
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#include <string.h>
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#define SHIFT (4)
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typedef union {
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__m64 v;
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unsigned char c[8];
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unsigned short int s[4];
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unsigned long long t;
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unsigned int u[2];
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}vecInWord;
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void sse_tests (void) __attribute__((noinline));
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void dump64_16 (char *, char *, vecInWord);
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int check (const char *, const char *[]);
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char buf[8000];
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char comparison[8000];
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static int errors = 0;
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vecInWord c64, e64;
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__m64 m64_64;
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const char *reference_sse[] = {
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"_mm_shuffle_pi16 0123 4567 89ab cdef \n",
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""
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};
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static void
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sse_test (void)
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{
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e64.t = 0x0123456789abcdefULL;
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m64_64 = e64.v;
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sse_tests();
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check (buf, reference_sse);
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#ifdef DEBUG
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printf ("sse testing:\n");
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printf (buf);
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printf ("\ncomparison:\n");
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printf (comparison);
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#endif
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buf[0] = '\0';
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if (errors != 0)
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abort ();
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}
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void __attribute__((noinline))
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sse_tests (void)
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{
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/* pshufw */
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c64.v = _mm_shuffle_pi16 (m64_64, 0x1b);
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dump64_16 (buf, "_mm_shuffle_pi16", c64);
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}
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void
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dump64_16 (char *buf, char *name, vecInWord x)
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{
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int i;
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char *p = buf + strlen (buf);
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sprintf (p, "%s ", name);
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p += strlen (p);
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for (i=0; i<4; i++)
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{
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sprintf (p, "%4.4x ", x.s[i]);
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p += strlen (p);
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}
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strcat (p, "\n");
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}
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int
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check (const char *input, const char *reference[])
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{
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int broken, i, j, len;
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const char *p_input;
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char *p_comparison;
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int new_errors = 0;
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p_comparison = &comparison[0];
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p_input = input;
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for (i = 0; *reference[i] != '\0'; i++)
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{
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broken = 0;
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len = strlen (reference[i]);
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for (j = 0; j < len; j++)
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{
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/* Ignore the terminating NUL characters at the end of every string in 'reference[]'. */
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if (!broken && *p_input != reference[i][j])
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{
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*p_comparison = '\0';
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strcat (p_comparison, " >>> ");
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p_comparison += strlen (p_comparison);
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new_errors++;
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broken = 1;
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}
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*p_comparison = *p_input;
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p_comparison++;
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p_input++;
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}
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if (broken)
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{
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*p_comparison = '\0';
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strcat (p_comparison, "expected:\n");
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strcat (p_comparison, reference[i]);
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p_comparison += strlen (p_comparison);
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}
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}
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*p_comparison = '\0';
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strcat (p_comparison, new_errors ? "failure\n\n" : "O.K.\n\n") ;
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errors += new_errors;
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return 0;
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}
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