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Re: GCC 8 backports
- From: Martin Liška <mliska at suse dot cz>
- To: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Thu, 4 Jul 2019 11:23:43 +0200
- Subject: Re: GCC 8 backports
- References: <ba2054eb-5b7a-3c87-d498-5f462438fff7@suse.cz> <9a21556a-0c16-c31a-f188-a75077c36bfa@suse.cz> <32e46ac2-3865-1b46-93bf-5ada7f8ff4e2@suse.cz> <7387d688-1a77-db9e-7318-c5a8c214bf09@suse.cz> <fea04cbd-4e99-70bf-81f6-b34efa6f7dee@suse.cz> <1620d43c-b6f7-46d6-8222-abf3bc5b6be1@suse.cz> <c28b0672-4530-4f2e-f1f6-a070bafadd6b@suse.cz> <1c3a5eef-56fb-bd88-c82d-8e0cb2d0f9cb@suse.cz> <59f9c249-8a2b-23d6-a66d-3d7c6ea0c250@suse.cz> <709d719a-e214-e89e-52ac-833387ca2b58@suse.cz> <919dd35b-f751-0481-3d67-6f7fb47d3afa@suse.cz> <612a3465-4795-499e-54f2-4abecedaaf88@suse.cz>
I'm sending one more patch that I've tested.
Martin
>From 44e3202c0416fcaa5a145c32118f0d08ff8ea0a2 Mon Sep 17 00:00:00 2001
From: marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 3 Jul 2019 08:31:35 +0000
Subject: [PATCH] Backport r272992
gcc/ChangeLog:
2019-07-03 Martin Liska <mliska@suse.cz>
PR middle-end/90899
* multiple_target.c (create_dispatcher_calls): Add to comdat
group only if set for ifunc.
gcc/testsuite/ChangeLog:
2019-07-03 Martin Liska <mliska@suse.cz>
PR middle-end/90899
* gcc.target/i386/pr90899.c: New test.
---
gcc/multiple_target.c | 3 ++-
gcc/testsuite/gcc.target/i386/pr90899.c | 6 ++++++
2 files changed, 8 insertions(+), 1 deletion(-)
create mode 100644 gcc/testsuite/gcc.target/i386/pr90899.c
diff --git a/gcc/multiple_target.c b/gcc/multiple_target.c
index 87000dba214..97d2268663f 100644
--- a/gcc/multiple_target.c
+++ b/gcc/multiple_target.c
@@ -158,7 +158,8 @@ create_dispatcher_calls (struct cgraph_node *node)
{
symtab_node *source = ref->referring;
source->create_reference (inode, IPA_REF_ALIAS);
- source->add_to_same_comdat_group (inode);
+ if (inode->get_comdat_group ())
+ source->add_to_same_comdat_group (inode);
}
else
gcc_unreachable ();
diff --git a/gcc/testsuite/gcc.target/i386/pr90899.c b/gcc/testsuite/gcc.target/i386/pr90899.c
new file mode 100644
index 00000000000..e0e2d5ac6bb
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr90899.c
@@ -0,0 +1,6 @@
+/* PR middle-end/90899 */
+/* { dg-do compile } */
+/* { dg-require-ifunc "" } */
+
+__attribute__ ((target_clones ("default", "arch=slm"))) static int f () { return 0; }
+__attribute__ ((alias ("f"))) __typeof (f) g;
--
2.22.0