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tree-nested.c (build_simple_mem_ref_notrap): New function.

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* tree-nested.c (build_simple_mem_ref_notrap): New function.
	(get_static_chain): Call it instead of build_simple_mem_ref.
	(get_frame_field): Likewise.
	(get_nonlocal_debug_decl): Likewise.
	(convert_nonlocal_reference_op): Likewise.

From-SVN: r273763
This commit is contained in:
Eric Botcazou 2019-07-24 15:29:34 +00:00 committed by Eric Botcazou
parent ce9dbf20f4
commit 58f3f2c397
2 changed files with 25 additions and 7 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2019-07-24 Eric Botcazou <ebotcazou@adacore.com>
* tree-nested.c (build_simple_mem_ref_notrap): New function.
(get_static_chain): Call it instead of build_simple_mem_ref.
(get_frame_field): Likewise.
(get_nonlocal_debug_decl): Likewise.
(convert_nonlocal_reference_op): Likewise.
2019-07-24 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-protos.h (arc_output_function_epilogue): Delete

24
gcc/tree-nested.c
View File

@ -169,6 +169,16 @@ create_tmp_var_for (struct nesting_info *info, tree type, const char *prefix)
return tmp_var;
}
/* Like build_simple_mem_ref, but set TREE_THIS_NOTRAP on the result. */
static tree
build_simple_mem_ref_notrap (tree ptr)
{
tree t = build_simple_mem_ref (ptr);
TREE_THIS_NOTRAP (t) = 1;
return t;
}
/* Take the address of EXP to be used within function CONTEXT.
Mark it for addressability as necessary. */
@ -877,7 +887,7 @@ get_static_chain (struct nesting_info *info, tree target_context,
{
tree field = get_chain_field (i);
x = build_simple_mem_ref (x);
x = build_simple_mem_ref_notrap (x);
x = build3 (COMPONENT_REF, TREE_TYPE (field), x, field, NULL_TREE);
x = init_tmp_var (info, x, gsi);
}
@ -914,12 +924,12 @@ get_frame_field (struct nesting_info *info, tree target_context,
{
tree field = get_chain_field (i);
x = build_simple_mem_ref (x);
x = build_simple_mem_ref_notrap (x);
x = build3 (COMPONENT_REF, TREE_TYPE (field), x, field, NULL_TREE);
x = init_tmp_var (info, x, gsi);
}
x = build_simple_mem_ref (x);
x = build_simple_mem_ref_notrap (x);
}
x = build3 (COMPONENT_REF, TREE_TYPE (field), x, field, NULL_TREE);
@ -963,16 +973,16 @@ get_nonlocal_debug_decl (struct nesting_info *info, tree decl)
for (i = info->outer; i->context != target_context; i = i->outer)
{
field = get_chain_field (i);
x = build_simple_mem_ref (x);
x = build_simple_mem_ref_notrap (x);
x = build3 (COMPONENT_REF, TREE_TYPE (field), x, field, NULL_TREE);
}
x = build_simple_mem_ref (x);
x = build_simple_mem_ref_notrap (x);
}
field = lookup_field_for_decl (i, decl, INSERT);
x = build3 (COMPONENT_REF, TREE_TYPE (field), x, field, NULL_TREE);
if (use_pointer_in_frame (decl))
x = build_simple_mem_ref (x);
x = build_simple_mem_ref_notrap (x);
/* ??? We should be remapping types as well, surely. */
new_decl = build_decl (DECL_SOURCE_LOCATION (decl),
@ -1060,7 +1070,7 @@ convert_nonlocal_reference_op (tree *tp, int *walk_subtrees, void *data)
if (use_pointer_in_frame (t))
{
x = init_tmp_var (info, x, &wi->gsi);
x = build_simple_mem_ref (x);
x = build_simple_mem_ref_notrap (x);
}
}