Backport r246525

2017-05-29  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	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.
2017-05-29  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-03-28  Martin Liska  <mliska@suse.cz>

	PR ipa/80104
	* gcc.dg/ipa/pr80104.c: New test.

From-SVN: r248558

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 457f0f03c5babc9e58f32c3057836aaea4c02ced..19748ee377411e8ca036cdd0bb8b979f97167538 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2017-05-29  Martin Liska  <mliska@suse.cz>
+
+       Backport from mainline
+       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.
+
 2017-05-26  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
 
        Backported from mainline
@@ -217,6 +226,7 @@
        <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
        clobbering instructions to zero extend op2.
 
+>>>>>>> .r248557
 2017-03-22  Martin Liska  <mliska@suse.cz>
 
        Backport from mainline

diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c
index d4db126cbd50da1510b7ebf425f01a8ec12f1ff2..5f0b06ebec090ec87f0f684cc2cc4ccd994bb583 100644 (file)
--- a/gcc/cgraphunit.c
+++ b/gcc/cgraphunit.c
@@ -1673,6 +1673,10 @@ 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 776f54702a54d934db8f2d5730c70d5beb6200a0..bec6fec204aae1e275af23d611516233ecfa37d4 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2017-05-29  Martin Liska  <mliska@suse.cz>
+
+       Backport from mainline
+       2017-03-28  Martin Liska  <mliska@suse.cz>
+
+       PR ipa/80104
+       * gcc.dg/ipa/pr80104.c: New test.
+
 2017-05-19  Uros Bizjak  <ubizjak@gmail.com>
 
        Backport from mainline
@@ -154,6 +162,7 @@
        (diex, diexq): Update argument type.
        * gcc.target/powerpc/pr80246.c: New test.
 
+>>>>>>> .r248557
 2017-03-22  Martin Liska  <mliska@suse.cz>
 
        Backport from mainline

diff --git a/gcc/testsuite/gcc.dg/ipa/pr80104.c b/gcc/testsuite/gcc.dg/ipa/pr80104.c
new file mode 100644 (file)
index 0000000..7e75c99
--- /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];
+}