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145
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1 /* Disabling epilogues until we find a better way to deal with scans. */
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2 /* { dg-additional-options "--param vect-epilogues-nomask=0" } */
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111
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3 /* { dg-require-effective-target vect_long } */
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4 /* { dg-additional-options "-fno-tree-scev-cprop" } */
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5
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6 #include "tree-vect.h"
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7
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8 /* Statement in SLP vectorization used outside the loop.
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9 NOTE: SCEV disabled to ensure the live operation is not removed before
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10 vectorization. */
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11 #define LIVELOOP(RET) \
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12 __attribute__ ((noinline)) long \
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13 liveloop##RET (int n, long *x, long *y) \
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14 { \
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15 long n0, n1, n2, n3; \
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16 int j; \
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17 for (j = 0; j < n; ++j) \
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18 { \
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19 n0 = x[(j*4)]; \
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20 n1 = x[(j*4)+1]; \
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21 n2 = x[(j*4)+2]; \
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22 n3 = x[(j*4)+3]; \
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23 y[(j*4)] = n0 + 1; \
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24 y[(j*4)+1] = n1 + 2; \
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25 y[(j*4)+2] = n2 + 3; \
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26 y[(j*4)+3] = n3 + 4; \
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27 } \
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28 return n##RET; \
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29 }
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30
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31 LIVELOOP (0)
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32 LIVELOOP (1)
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33 LIVELOOP (2)
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34 LIVELOOP (3)
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35 typedef long (*FP)(int n, long *x, long *y);
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36 const FP llf[]= {&liveloop0, &liveloop1, &liveloop2, &liveloop3};
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37
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38 #define MAX 153
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39
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40 int
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41 main (void)
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42 {
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43 long a[MAX*4];
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44 long b[MAX*4];
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45 int i;
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46
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47 check_vect ();
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48
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49 for (i=0; i<MAX*4; i++)
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50 {
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51 __asm__ volatile ("");
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52 a[i] = i;
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53 }
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54
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55 for (i=0; i<4; i++)
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56 {
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57 __asm__ volatile ("");
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58
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59 int ret = llf[i] (MAX, a, b);
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60
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61 if (ret != (MAX * 4) - 4 + i)
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62 abort ();
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63
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64 for (i=0; i<MAX*4; i++)
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65 {
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66 __asm__ volatile ("");
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67 if (b[i] != i + (i%4) + 1)
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68 abort ();
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69 }
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70 }
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71 }
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72
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73 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 4 "vect" } } */
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131
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74 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 4 "vect" { xfail vect_variable_length } } } */
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111
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75 /* { dg-final { scan-tree-dump-times "vec_stmt_relevant_p: stmt live but not relevant" 4 "vect" } } */
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