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authorEric Botcazou <ebotcazou@adacore.com>2018-09-28 21:20:53 +0000
committerEric Botcazou <ebotcazou@gcc.gnu.org>2018-09-28 21:20:53 +0000
commit44662f681e8be6b3b7eafcec4afa0ecb8cc587cd (patch)
tree1c0470d4d2c3d3ea333d09879f17a86087934d93 /gcc/ada/gcc-interface/utils.c
parent5c441345a343d0ef90e5ac9ef95039030ecef1ee (diff)
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calls.c (expand_call): Try to do a tail call for thunks at -O0 too.
* calls.c (expand_call): Try to do a tail call for thunks at -O0 too. * cgraph.h (struct cgraph_thunk_info): Add indirect_offset. (cgraph_node::create_thunk): Add indirect_offset parameter. (thunk_adjust): Likewise. * cgraph.c (cgraph_node::create_thunk): Add indirect_offset parameter and initialize the corresponding field with it. (cgraph_node::dump): Dump indirect_offset field. * cgraphclones.c (duplicate_thunk_for_node): Deal with indirect_offset. * cgraphunit.c (cgraph_node::analyze): Be prepared for external thunks. (thunk_adjust): Add indirect_offset parameter and deal with it. (cgraph_node::expand_thunk): Deal with the indirect_offset field and pass it to thunk_adjust. Do not call the target hook if it's non-zero or if the thunk is external or local. Fix formatting. Do not chain the RESULT_DECL to BLOCK_VARS. Pass the static chain to the target, if any, in the GIMPLE representation. * ipa-icf.c (sem_function::equals_wpa): Deal with indirect_offset. * lto-cgraph.c (lto_output_node): Write indirect_offset field. (input_node): Read indirect_offset field. * tree-inline.c (expand_call_inline): Pass indirect_offset field in the call to thunk_adjust. * tree-nested.c (struct nesting_info): Add thunk_p field. (create_nesting_tree): Set it. (convert_all_function_calls): Copy static chain from targets to thunks. (finalize_nesting_tree_1): Return early for thunks. (unnest_nesting_tree_1): Do not finalize thunks. (gimplify_all_functions): Do not gimplify thunks. cp/ * method.c (use_thunk): Adjust call to cgraph_node::create_thunk. ada/ * gcc-interface/decl.c (is_cplusplus_method): Do not require C++ convention on Interfaces. * gcc-interface/trans.c (Subprogram_Body_to_gnu): Try to create a bona-fide thunk and hand it over to the middle-end. (get_controlling_type): New function. (use_alias_for_thunk_p): Likewise. (thunk_labelno): New static variable. (make_covariant_thunk): New function. (maybe_make_gnu_thunk): Likewise. * gcc-interface/utils.c (finish_subprog_decl): Set DECL_CONTEXT of the result DECL here instead of... (end_subprog_body): ...here. Co-Authored-By: Pierre-Marie de Rodat <derodat@adacore.com> From-SVN: r264701
Diffstat (limited to 'gcc/ada/gcc-interface/utils.c')
-rw-r--r--gcc/ada/gcc-interface/utils.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/gcc/ada/gcc-interface/utils.c b/gcc/ada/gcc-interface/utils.c
index 9530165..1ce2f72 100644
--- a/gcc/ada/gcc-interface/utils.c
+++ b/gcc/ada/gcc-interface/utils.c
@@ -3294,6 +3294,7 @@ finish_subprog_decl (tree decl, tree asm_name, tree type)
DECL_ARTIFICIAL (result_decl) = 1;
DECL_IGNORED_P (result_decl) = 1;
+ DECL_CONTEXT (result_decl) = decl;
DECL_BY_REFERENCE (result_decl) = TREE_ADDRESSABLE (type);
DECL_RESULT (decl) = result_decl;
@@ -3369,9 +3370,6 @@ end_subprog_body (tree body)
DECL_INITIAL (fndecl) = current_binding_level->block;
gnat_poplevel ();
- /* Mark the RESULT_DECL as being in this subprogram. */
- DECL_CONTEXT (DECL_RESULT (fndecl)) = fndecl;
-
/* The body should be a BIND_EXPR whose BLOCK is the top-level one. */
if (TREE_CODE (body) == BIND_EXPR)
{