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| author | Dorit Nuzman <dorit@il.ibm.com> | 2007-07-12 14:42:08 +0000 |
|---|---|---|
| committer | Dorit Nuzman <dorit@gcc.gnu.org> | 2007-07-12 14:42:08 +0000 |
| commit | 5b900a4c0ee38a66b04b4ceeecb8b194ddde7e57 (patch) | |
| tree | 1d606e4397ee32cd9fe29b0165fe91119ff4fbc6 /gcc/tree.h | |
| parent | 2df6377e6e01046582d489ae59b5be1371b42d59 (diff) | |
| download | gcc-5b900a4c0ee38a66b04b4ceeecb8b194ddde7e57.zip gcc-5b900a4c0ee38a66b04b4ceeecb8b194ddde7e57.tar.gz gcc-5b900a4c0ee38a66b04b4ceeecb8b194ddde7e57.tar.bz2 | |
re PR target/25413 (wrong alignment or incorrect address computation in vectorized code on Pentium 4 SSE)
2007-07-12 Dorit Nuzman <dorit@il.ibm.com>
Devang Patel <dpatel@apple.com>
PR tree-optimization/25413
* targhooks.c (default_builtin_vector_alignment_reachable): New.
* targhooks.h (default_builtin_vector_alignment_reachable): New.
* tree.h (contains_packed_reference): New.
* expr.c (contains_packed_reference): New.
* tree-vect-analyze.c (vector_alignment_reachable_p): New.
(vect_enhance_data_refs_alignment): Call
vector_alignment_reachable_p.
* target.h (vector_alignment_reachable): New builtin.
* target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
* config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
(TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
Co-Authored-By: Devang Patel <dpatel@apple.com>
From-SVN: r126591
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -4315,6 +4315,12 @@ extern tree get_inner_reference (tree, HOST_WIDE_INT *, HOST_WIDE_INT *, tree *, enum machine_mode *, int *, int *, bool); +/* Given an expression EXP that may be a COMPONENT_REF or an ARRAY_REF, + look for whether EXP or any nested component-refs within EXP is marked + as PACKED. */ + +extern bool contains_packed_reference (tree exp); + /* Return 1 if T is an expression that get_inner_reference handles. */ extern int handled_component_p (tree); |