package/gcc/4.9.2/110-pr64896.patch

   1 From fc39d7d6f0ac90086814306a43de38ad65c13f13 Mon Sep 17 00:00:00 2001
   2 From: yroux <yroux@138bc75d-0d04-0410-961f-82ee72b054a4>
   3 Date: Tue, 10 Mar 2015 19:20:30 +0000
   4 Subject: [PATCH] gcc/ 2015-03-10  Yvan Roux  <yvan.roux@linaro.org>
   5
   6         Backport from trunk r220489.
   7         2015-02-06  Jakub Jelinek  <jakub@redhat.com>
   8
   9         PR ipa/64896
  10         * cgraphunit.c (cgraph_node::expand_thunk): If
  11         restype is not is_gimple_reg_type nor the thunk_fndecl
  12         returns aggregate_value_p, set restmp to a temporary variable
  13         instead of resdecl.
  14
  15 gcc/testsuite/
  16 2015-03-10  Yvan Roux  <yvan.roux@linaro.org>
  17
  18         Backport from trunk r220489.
  19         2015-02-06  Jakub Jelinek  <jakub@redhat.com>
  20
  21         PR ipa/64896
  22         * g++.dg/ipa/pr64896.C: New test.
  23
  24
  25
  26 git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@221333 138bc75d-0d04-0410-961f-82ee72b054a4
  27 ---
  28  gcc/ChangeLog                      | 11 +++++++++++
  29  gcc/cgraphunit.c                   | 11 ++++++++---
  30  gcc/testsuite/ChangeLog            |  8 ++++++++
  31  gcc/testsuite/g++.dg/ipa/pr64896.C | 29 +++++++++++++++++++++++++++++
  32  4 files changed, 56 insertions(+), 3 deletions(-)
  33  create mode 100644 gcc/testsuite/g++.dg/ipa/pr64896.C
  34
  35 diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c
  36 index 8f57607..130fc0d 100644
  37 --- a/gcc/cgraphunit.c
  38 +++ b/gcc/cgraphunit.c
  39 @@ -1572,9 +1572,14 @@ expand_thunk (struct cgraph_node *node, bool output_asm_thunks)
  40             restmp = gimple_fold_indirect_ref (resdecl);
  41           else if (!is_gimple_reg_type (restype))
  42             {
  43 -             restmp = resdecl;
  44 -             add_local_decl (cfun, restmp);
  45 -             BLOCK_VARS (DECL_INITIAL (current_function_decl)) = restmp;
  46 +             if (aggregate_value_p (resdecl, TREE_TYPE (thunk_fndecl)))
  47 +               {
  48 +                 restmp = resdecl;
  49 +                 add_local_decl (cfun, restmp);
  50 +                 BLOCK_VARS (DECL_INITIAL (current_function_decl)) = restmp;
  51 +               }
  52 +             else
  53 +               restmp = create_tmp_var (restype, "retval");
  54             }
  55           else
  56             restmp = create_tmp_reg (restype, "retval");
  57 --
  58 1.8.1.4
  59