[Bug target/25413] wrong alignment or incorrect address computation in vectorized code on Pentium 4 SSE
dorit at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Wed Jul 25 08:51:00 GMT 2007
------- Comment #18 from dorit at gcc dot gnu dot org 2007-07-25 08:51 -------
Subject: Bug 25413
Author: dorit
Date: Wed Jul 25 08:51:12 2007
New Revision: 126904
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=126904
Log:
2007-07-25 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.
2007-07-25 Dorit Nuzman <dorit@il.ibm.com>
Devang Patel <dpatel@apple.com>
Uros Bizjak <ubizjak@gmail.com>
PR tree-optimization/25413
* lib/target-supports.exp (check_effective_target_vect_aligned_arrays):
New procedure to check if arrays are naturally aligned to the vector
alignment boundary.
* gcc.dg/vect/vect-align-1.c: New.
* gcc.dg/vect/vect-align-2.c: New.
* gcc.dg/vect/pr25413.c: New.
* gcc.dg/vect/pr25413a.c: New.
Added:
branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/vect/pr25413.c
branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/vect/pr25413a.c
branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/vect/vect-align-1.c
branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/vect/vect-align-2.c
Modified:
branches/gcc-4_2-branch/gcc/ChangeLog
branches/gcc-4_2-branch/gcc/config/rs6000/rs6000.c
branches/gcc-4_2-branch/gcc/expr.c
branches/gcc-4_2-branch/gcc/target-def.h
branches/gcc-4_2-branch/gcc/target.h
branches/gcc-4_2-branch/gcc/targhooks.c
branches/gcc-4_2-branch/gcc/targhooks.h
branches/gcc-4_2-branch/gcc/testsuite/ChangeLog
branches/gcc-4_2-branch/gcc/testsuite/lib/target-supports.exp
branches/gcc-4_2-branch/gcc/tree-vect-analyze.c
branches/gcc-4_2-branch/gcc/tree.h
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25413
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