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| author | Richard Biener <rguenther@suse.de> | 2017-01-25 12:30:41 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2017-01-25 12:30:41 +0000 |
| commit | c287389223fd552ef5b5d126f0b38d3a61337477 (patch) | |
| tree | 08b96969ab8ba3ee47ab40747bc7b01a1188b120 /gcc/doc/tm.texi | |
| parent | b3f1c7e908c2505e52bd090a4b40346daa4f8851 (diff) | |
| download | gcc-c287389223fd552ef5b5d126f0b38d3a61337477.zip gcc-c287389223fd552ef5b5d126f0b38d3a61337477.tar.gz gcc-c287389223fd552ef5b5d126f0b38d3a61337477.tar.bz2 | |
re PR target/69264 (ICE building spidermonkey -mcpu=970 -maltivec -O3: rs6000_builtin_vectorization_cost, at config/rs6000/rs6000.c:4350)
2017-01-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/69264
* target.def (vector_alignment_reachable): Improve documentation.
* doc/tm.texi: Regenerate.
* targhooks.c (default_builtin_vector_alignment_reachable): Simplify
and add a comment.
* tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
earlier changes with respect to TYPE_USER_ALIGN.
(vector_alignment_reachable_p): Likewise. Improve dumping.
* g++.dg/torture/pr69264.C: New testcase.
From-SVN: r244897
Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 4b62e05..909589c 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -5745,7 +5745,7 @@ misalignment value (@var{misalign}). @end deftypefn @deftypefn {Target Hook} bool TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE (const_tree @var{type}, bool @var{is_packed}) -Return true if vector alignment is reachable (by peeling N iterations) for the given type. +Return true if vector alignment is reachable (by peeling N iterations) for the given scalar type @var{type}. @var{is_packed} is false if the scalar access using @var{type} is known to be naturally aligned. @end deftypefn @deftypefn {Target Hook} bool TARGET_VECTORIZE_VEC_PERM_CONST_OK (machine_mode, const unsigned char *@var{sel}) |