From 62f96a79f10e0c6772e5302c076b8c062e42b0d9 Mon Sep 17 00:00:00 2001
From: Martin Liska <mliska@suse.cz>
Date: Tue, 28 Mar 2017 11:01:57 +0200
Subject: [PATCH] Fix calls.c for a _complex type (PR ipa/80104).
2017-03-28 Martin Liska <mliska@suse.cz>
PR ipa/80104
* cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
thunk call as DECL_GIMPLE_REG_P when vector or complex type.
2017-03-28 Martin Liska <mliska@suse.cz>
PR ipa/80104
* gcc.dg/ipa/pr80104.c: New test.
From-SVN: r246525
---
gcc/ChangeLog | 6 ++++++
gcc/cgraphunit.c | 4 ++++
gcc/testsuite/ChangeLog | 5 +++++
gcc/testsuite/gcc.dg/ipa/pr80104.c | 15 +++++++++++++++
4 files changed, 30 insertions(+)
create mode 100644 gcc/testsuite/gcc.dg/ipa/pr80104.c
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4864d75bb667..27e7b8f0a752 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2017-03-28 Martin Liska <mliska@suse.cz>
+
+ PR ipa/80104
+ * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
+ thunk call as DECL_GIMPLE_REG_P when vector or complex type.
+
2017-03-28 Claudiu Zissulescu <claziss@synopsys.com>
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c
index c82a88a599ca..8635e3bd0e91 100644
--- a/gcc/cgraphunit.c
+++ b/gcc/cgraphunit.c
@@ -1806,6 +1806,10 @@ cgraph_node::expand_thunk (bool output_asm_thunks, bool force_gimple_thunk)
for (; i < nargs; i++, arg = DECL_CHAIN (arg))
{
tree tmp = arg;
+ if (VECTOR_TYPE_P (TREE_TYPE (arg))
+ || TREE_CODE (TREE_TYPE (arg)) == COMPLEX_TYPE)
+ DECL_GIMPLE_REG_P (arg) = 1;
+
if (!is_gimple_val (arg))
{
tmp = create_tmp_reg (TYPE_MAIN_VARIANT
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 93c9f9efed49..a896f7537198 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-03-28 Martin Liska <mliska@suse.cz>
+
+ PR ipa/80104
+ * gcc.dg/ipa/pr80104.c: New test.
+
2017-03-28 Marek Polacek <polacek@redhat.com>
PR sanitizer/80067
diff --git a/gcc/testsuite/gcc.dg/ipa/pr80104.c b/gcc/testsuite/gcc.dg/ipa/pr80104.c
new file mode 100644
index 000000000000..7e75c9907e7d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ipa/pr80104.c
@@ -0,0 +1,15 @@
+/* PR ipa/80104 */
+/* { dg-do compile } */
+/* { dg-options "-fipa-icf" } */
+
+float
+a (_Complex float b)
+{
+ return *&b;
+}
+
+float
+c (_Complex float b)
+{
+ return (&b)[0];
+}
--
GitLab