Hello.
There's alternative approach suggested by Martin Jambor.
Patch can bootstrap on ppc64le-redhat-linux and survives regression tests and
s390x cross compiler does not ICE.
Martin
>From f9e40be62e525d29347339316073fae425b0d516 Mon Sep 17 00:00:00 2001
From: marxin <mli...@suse.cz>
Date: Fri, 24 Mar 2017 15:47:34 +0100
Subject: [PATCH] Fix calls.c for a _complex type (PR ipa/80104).
gcc/ChangeLog:
2017-03-23 Martin Liska <mli...@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.
gcc/testsuite/ChangeLog:
2017-03-23 Martin Liska <mli...@suse.cz>
* gcc.dg/ipa/pr80104.c: New test.
---
gcc/cgraphunit.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c
index c82a88a599c..8635e3bd0e9 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
--
2.12.0
