commit 8d949d424f14896dab9eaf6eedbf5e1fd7576a15
author ams <ams@138bc75d-0d04-0410-961f-82ee72b054a4> Wed May 22 22:14:02 2019 +0000
committer ams <ams@138bc75d-0d04-0410-961f-82ee72b054a4> Wed May 22 22:14:02 2019 +0000
tree c88c415c1db5eaca6089ec91509e1ae8d9370ca6
parent ac0f04360cc04e5b80a7d74f7edc47e395d2e744

Fix trampoline execution failures on GCN5.

2019-05-22  Andrew Stubbs  <ams@codesourcery.com>

	gcc/
	* config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@271525 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dee5515..eddb7c8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
+
+	* config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
+
 2019-05-22  Jason Merrill  <jason@redhat.com>
 
 	* gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.

gcc/config/gcn/gcn.c

diff --git a/gcc/config/gcn/gcn.c b/gcc/config/gcn/gcn.c
index 1dd2ff2..6820837 100644
--- a/gcc/config/gcn/gcn.c
+++ b/gcc/config/gcn/gcn.c
@@ -3062,6 +3062,10 @@
 static void
 gcn_trampoline_init (rtx m_tramp, tree fndecl, rtx chain_value)
 {
+  if (TARGET_GCN5_PLUS)
+    sorry ("nested function trampolines not supported on GCN5 due to"
+           " non-executable stacks");
+
   emit_block_move (m_tramp, assemble_trampoline_template (),
 		   GEN_INT (TRAMPOLINE_SIZE), BLOCK_OP_NORMAL);