tree.h (DECL_RESTRICTED_P): Delete.
* tree.h (DECL_RESTRICTED_P): Delete. (DECL_READ_P): Add comment. (DECL_NONSHAREABLE): Likewise. (TYPE_NO_FORCE_BLK): Fix comment. (struct tree_decl_common): Remove decl_restricted_flag, add decl_flag_3. * tree-emutls.c (new_emutls_decl): Do not deal with DECL_RESTRICTED_P. * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Likewise. * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise. fortran/ * trans-decl.c (gfc_finish_var_decl): Do not set DECL_RESTRICTED_P. * alias.c (nonoverlapping_component_refs_p): Fix thinko. From-SVN: r193815
This commit is contained in:
Eric Botcazou
Eric Botcazou
parent
e3f9361d49
commit
8bed680964
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@ -1,3 +1,16 @@
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2012-11-26 Eric Botcazou <ebotcazou@adacore.com>
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* tree.h (DECL_RESTRICTED_P): Delete.
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(DECL_READ_P): Add comment.
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(DECL_NONSHAREABLE): Likewise.
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(TYPE_NO_FORCE_BLK): Fix comment.
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(struct tree_decl_common): Remove decl_restricted_flag, add decl_flag_3.
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* tree-emutls.c (new_emutls_decl): Do not deal with DECL_RESTRICTED_P.
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* tree-streamer-in.c (unpack_ts_decl_common_value_fields): Likewise.
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* tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
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* alias.c (nonoverlapping_component_refs_p): Fix thinko.
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2012-11-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
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* doc/sourcebuild.texi: Document arm_v8_vfp_ok.
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14
gcc/alias.c
14
gcc/alias.c
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@ -2237,19 +2237,9 @@ nonoverlapping_component_refs_p (const_rtx rtlx, const_rtx rtly)
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found:
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/* If we're left with accessing different fields of a structure, then no
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possible overlap, unless they are both true bitfields, i.e. bitfields
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for which the size isn't a multiple of the (memory) unit. */
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possible overlap, unless they are both bitfields. */
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if (TREE_CODE (typex) == RECORD_TYPE && fieldx != fieldy)
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{
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if (!DECL_BIT_FIELD (fieldx) || !DECL_BIT_FIELD (fieldy))
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return true;
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if ((tree_low_cst (DECL_SIZE (fieldx), 1) % BITS_PER_UNIT) == 0
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|| (tree_low_cst (DECL_SIZE (fieldy), 1) % BITS_PER_UNIT) == 0)
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return true;
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return false;
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}
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return !(DECL_BIT_FIELD (fieldx) && DECL_BIT_FIELD (fieldy));
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/* The comparison on the current field failed. If we're accessing
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a very nested structure, look at the next outer level. */
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@ -1,3 +1,7 @@
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2012-11-26 Eric Botcazou <ebotcazou@adacore.com>
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* trans-decl.c (gfc_finish_var_decl): Do not set DECL_RESTRICTED_P.
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2012-11-26 Janus Weil <janus@gcc.gnu.org>
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PR fortran/54997
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@ -611,12 +611,6 @@ gfc_finish_var_decl (tree decl, gfc_symbol * sym)
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if (sym->attr.threadprivate
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&& (TREE_STATIC (decl) || DECL_EXTERNAL (decl)))
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DECL_TLS_MODEL (decl) = decl_default_tls_model (decl);
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if (!sym->attr.target
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&& !sym->attr.pointer
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&& !sym->attr.cray_pointee
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&& !sym->attr.proc_pointer)
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DECL_RESTRICTED_P (decl) = 1;
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}
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@ -296,7 +296,6 @@ new_emutls_decl (tree decl, tree alias_of)
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DECL_WEAK (to) = DECL_WEAK (decl);
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DECL_VISIBILITY (to) = DECL_VISIBILITY (decl);
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DECL_VISIBILITY_SPECIFIED (to) = DECL_VISIBILITY_SPECIFIED (decl);
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DECL_RESTRICTED_P (to) = DECL_RESTRICTED_P (decl);
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DECL_DLLIMPORT_P (to) = DECL_DLLIMPORT_P (decl);
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DECL_ATTRIBUTES (to) = targetm.merge_decl_attributes (decl, to);
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@ -236,7 +236,6 @@ unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
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if (TREE_CODE (expr) == VAR_DECL
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|| TREE_CODE (expr) == PARM_DECL)
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DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_RESTRICTED_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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}
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}
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@ -202,7 +202,6 @@ pack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
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if (TREE_CODE (expr) == VAR_DECL
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|| TREE_CODE (expr) == PARM_DECL)
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bp_pack_value (bp, DECL_HAS_VALUE_EXPR_P (expr), 1);
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bp_pack_value (bp, DECL_RESTRICTED_P (expr), 1);
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}
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}
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31
gcc/tree.h
31
gcc/tree.h
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@ -1321,18 +1321,13 @@ extern void omp_clause_range_check_failed (const_tree, const char *, int,
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(TREE_CHECK3 (NODE, VAR_DECL, PARM_DECL, \
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RESULT_DECL)->decl_common.decl_by_reference_flag)
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/* In a RESULT_DECL, PARM_DECL and VAR_DECL, means that this decl
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can be used as restricted tag to disambiguate against other restrict
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pointers. Used by fortran to capture something like non-addressability
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(which it isn't really because the middle-end does take addresses of
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such variables). */
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#define DECL_RESTRICTED_P(NODE) \
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(TREE_CHECK3 (NODE, VAR_DECL, PARM_DECL, \
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RESULT_DECL)->decl_common.decl_restricted_flag)
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/* In VAR_DECL and PARM_DECL, set when the decl has been used except for
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being set. */
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#define DECL_READ_P(NODE) \
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(TREE_CHECK2 (NODE, VAR_DECL, PARM_DECL)->decl_common.decl_read_flag)
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/* In VAR_DECL or RESULT_DECL, set when significant code movement precludes
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attempting to share the stack slot with some other variable. */
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#define DECL_NONSHAREABLE(NODE) \
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(TREE_CHECK2 (NODE, VAR_DECL, \
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RESULT_DECL)->decl_common.decl_nonshareable_flag)
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@ -2195,8 +2190,8 @@ extern enum machine_mode vector_type_mode (const_tree);
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get one debug info record for them. */
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#define TYPE_STUB_DECL(NODE) (TREE_CHAIN (TYPE_CHECK (NODE)))
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/* In a RECORD_TYPE, UNION_TYPE or QUAL_UNION_TYPE, it means the type
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has BLKmode only because it lacks the alignment requirement for
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/* In a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE or ARRAY_TYPE, it means
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the type has BLKmode only because it lacks the alignment required for
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its size. */
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#define TYPE_NO_FORCE_BLK(NODE) \
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(TYPE_CHECK (NODE)->type_common.no_force_blk_flag)
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@ -2848,26 +2843,22 @@ struct GTY(()) tree_decl_common {
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In VAR_DECL, PARM_DECL and RESULT_DECL, this is
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DECL_HAS_VALUE_EXPR_P. */
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unsigned decl_flag_2 : 1;
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/* 1 bit unused. */
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unsigned decl_flag_3 : 1;
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/* Logically, these two would go in a theoretical base shared by var and
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parm decl. */
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unsigned gimple_reg_flag : 1;
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/* In VAR_DECL, PARM_DECL and RESULT_DECL, this is DECL_BY_REFERENCE. */
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unsigned decl_by_reference_flag : 1;
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/* In VAR_DECL, PARM_DECL and RESULT_DECL, this is DECL_RESTRICTED_P. */
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unsigned decl_restricted_flag : 1;
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/* In VAR_DECL and PARM_DECL set when the decl has been used except for
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being set. */
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/* In a VAR_DECL and PARM_DECL, this is DECL_READ_P. */
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unsigned decl_read_flag : 1;
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/* In VAR_DECL or RESULT_DECL set when significant code movement precludes
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attempting to share the stack slot with some other variable. */
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/* In a VAR_DECL or RESULT_DECL, this is DECL_NONSHAREABLE. */
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unsigned decl_nonshareable_flag : 1;
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/* DECL_OFFSET_ALIGN, used only for FIELD_DECLs. */
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unsigned int off_align : 8;
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/* 24-bits unused. */
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/* 24 bits unused. */
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/* DECL_ALIGN. It should have the same size as TYPE_ALIGN. */
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unsigned int align;
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