Mercurial > hg > CbC > CbC_gcc
diff gcc/tree-vect-analyze.c @ 47:3bfb6c00c1e0
update it from 4.4.2 to 4.4.3.
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
---|---|
date | Sun, 07 Feb 2010 17:44:34 +0900 |
parents | 58ad6c70ea60 |
children |
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--- a/gcc/tree-vect-analyze.c Sun Feb 07 17:43:48 2010 +0900 +++ b/gcc/tree-vect-analyze.c Sun Feb 07 17:44:34 2010 +0900 @@ -3213,6 +3213,7 @@ { int i = 0, j, prev = -1, next, k; bool supported; + sbitmap load_index; /* FORNOW: permutations are only supported for loop-aware SLP. */ if (!slp_instn) @@ -3233,6 +3234,8 @@ return false; supported = true; + load_index = sbitmap_alloc (group_size); + sbitmap_zero (load_index); for (j = 0; j < group_size; j++) { for (i = j * group_size, k = 0; @@ -3246,9 +3249,19 @@ } prev = next; - } + } + + if (TEST_BIT (load_index, prev)) + { + supported = false; + break; + } + + SET_BIT (load_index, prev); } + sbitmap_free (load_index); + if (supported && i == group_size * group_size && vect_supported_slp_permutation_p (slp_instn)) return true;