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bootstrap broken
- From: Nathan Sidwell <nathan at codesourcery dot com>
- To: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Tue, 30 Nov 2004 18:02:04 +0000
- Subject: bootstrap broken
- Organization: Codesourcery LLC
dies with
cc1: warnings being treated as errors
../../gcc/gcc/tree-vectorizer.c: In function 'vect_analyze_loop':
../../gcc/gcc/tree-vectorizer.c:4902: warning: 'tmp_dr' may be used uninitialized in this function
make[2]: *** [tree-vectorizer.o] Error 1
I attach this patch suggested by Andrew Pinski, which looks kind
of sensible to me too. I took the opportunity to reforma the code
and avoid such long lines.
booting & testing on i686-pc-linux-gnu, ok if completes?
nathan
--
Nathan Sidwell :: http://www.codesourcery.com :: CodeSourcery LLC
nathan@codesourcery.com :: http://www.planetfall.pwp.blueyonder.co.uk
2004-11-30 Nathan Sidwell <nathan@codesourcery.com>
* tree-vectorizer.c (vect_analyze_data_refs): Reformat and avoid
uninitialized variable.
Index: tree-vectorizer.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/tree-vectorizer.c,v
retrieving revision 2.45
diff -c -3 -p -r2.45 tree-vectorizer.c
*** tree-vectorizer.c 30 Nov 2004 14:40:37 -0000 2.45
--- tree-vectorizer.c 30 Nov 2004 17:59:44 -0000
*************** vect_analyze_data_refs (loop_vec_info lo
*** 4899,4905 ****
int nbbs = loop->num_nodes;
block_stmt_iterator si;
int j;
! struct data_reference *dr, *tmp_dr;
tree tag;
tree address_base;
bool base_aligned_p;
--- 4899,4905 ----
int nbbs = loop->num_nodes;
block_stmt_iterator si;
int j;
! struct data_reference *dr;
tree tag;
tree address_base;
bool base_aligned_p;
*************** vect_analyze_data_refs (loop_vec_info lo
*** 5013,5029 ****
switch (TREE_CODE (address_base))
{
case ARRAY_REF:
! tmp_dr = analyze_array (stmt, TREE_OPERAND (symbl, 0),
! DR_IS_READ (tmp_dr));
! tag = vect_get_base_and_bit_offset (tmp_dr, DR_BASE_NAME (tmp_dr),
! NULL_TREE, loop_vinfo, &offset, &base_aligned_p);
! if (!tag)
! {
! if (vect_debug_stats (loop) || vect_debug_details (loop))
! fprintf (dump_file, "not vectorized: no memtag for ref.");
! return false;
! }
! STMT_VINFO_MEMTAG (stmt_info) = tag;
break;
case VAR_DECL:
--- 5013,5037 ----
switch (TREE_CODE (address_base))
{
case ARRAY_REF:
! {
! struct data_reference *tmp_dr;
!
! tmp_dr = analyze_array (stmt, TREE_OPERAND (symbl, 0),
! DR_IS_READ (dr));
! tag = vect_get_base_and_bit_offset
! (tmp_dr, DR_BASE_NAME (tmp_dr),
! NULL_TREE, loop_vinfo, &offset, &base_aligned_p);
! if (!tag)
! {
! if (vect_debug_stats (loop)
! || vect_debug_details (loop))
! fprintf (dump_file,
! "not vectorized: no memtag for ref.");
! return false;
! }
! STMT_VINFO_MEMTAG (stmt_info) = tag;
! }
!
break;
case VAR_DECL: