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| author | Dorit Naishlos <dorit@il.ibm.com> | 2004-08-19 07:16:59 +0000 |
|---|---|---|
| committer | Dorit Nuzman <dorit@gcc.gnu.org> | 2004-08-19 07:16:59 +0000 |
| commit | 7a8554ceac51e81220e87493e7d8d0a1bd50fb38 (patch) | |
| tree | 22ecc34ea7040ce17954b4d1c0498b46fd60edad /gcc/tree-vectorizer.c | |
| parent | deb4af0138cc17c332454154044f830c80a11398 (diff) | |
| download | gcc-7a8554ceac51e81220e87493e7d8d0a1bd50fb38.zip gcc-7a8554ceac51e81220e87493e7d8d0a1bd50fb38.tar.gz gcc-7a8554ceac51e81220e87493e7d8d0a1bd50fb38.tar.bz2 | |
tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
From-SVN: r86240
Diffstat (limited to 'gcc/tree-vectorizer.c')
| -rw-r--r-- | gcc/tree-vectorizer.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c index 8369a6b..89ebe90 100644 --- a/gcc/tree-vectorizer.c +++ b/gcc/tree-vectorizer.c @@ -527,7 +527,12 @@ vect_can_force_dr_alignment_p (tree decl, unsigned int alignment) if (TREE_STATIC (decl)) return (alignment <= MAX_OFILE_ALIGNMENT); else - return (alignment <= STACK_BOUNDARY); + /* This is not 100% correct. The absolute correct stack alignment + is STACK_BOUNDARY. We're supposed to hope, but not assume, that + PREFERRED_STACK_BOUNDARY is honored by all translation units. + However, until someone implements forced stack alignment, SSE + isn't really usable without this. */ + return (alignment <= PREFERRED_STACK_BOUNDARY); } |