[gcc/devel/ranger] [gcn] Set 'UI_NONE' for 'TARGET_EXCEPT_UNWIND_INFO' [PR94282]

[Aldy Hernandez]

https://gcc.gnu.org/g:7f1989249e25af6fc0f124452efa24b3796b767a

commit 7f1989249e25af6fc0f124452efa24b3796b767a
Author: Thomas Schwinge <thomas@codesourcery.com>
Date:   Tue Apr 21 22:39:33 2020 +0200

    [gcn] Set 'UI_NONE' for 'TARGET_EXCEPT_UNWIND_INFO' [PR94282]
    
    In libgomp offloading testing, this resolves all the 'ld: error: undefined
    symbol: __gxx_personality_v0' FAILs.
    
            gcc/
            PR target/94282
            * common/config/gcn/gcn-common.c (gcn_except_unwind_info): New
            function.
            (TARGET_EXCEPT_UNWIND_INFO): Define.
            libgomp/
            PR target/94282
            * testsuite/libgomp.c-c++-common/function-not-offloaded.c: Remove
            'dg-allow-blank-lines-in-output'.

Diff:
---
 gcc/ChangeLog                                                   | 7 +++++++
 gcc/common/config/gcn/gcn-common.c                              | 9 +++++++++
 libgomp/ChangeLog                                               | 4 ++++
 libgomp/testsuite/libgomp.c-c++-common/function-not-offloaded.c | 1 -
 4 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3321e883970..2ba39f67200 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2020-04-29  Thomas Schwinge  <thomas@codesourcery.com>
+
+	PR target/94282
+	* common/config/gcn/gcn-common.c (gcn_except_unwind_info): New
+	function.
+	(TARGET_EXCEPT_UNWIND_INFO): Define.
+
 2020-04-29  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/94248
diff --git a/gcc/common/config/gcn/gcn-common.c b/gcc/common/config/gcn/gcn-common.c
index 84a567b2bbb..9642f9cc5a6 100644
--- a/gcc/common/config/gcn/gcn-common.c
+++ b/gcc/common/config/gcn/gcn-common.c
@@ -34,4 +34,13 @@ static const struct default_options gcn_option_optimization_table[] =
 #undef  TARGET_OPTION_OPTIMIZATION_TABLE
 #define TARGET_OPTION_OPTIMIZATION_TABLE gcn_option_optimization_table
 
+static enum unwind_info_type
+gcn_except_unwind_info (struct gcc_options *opts ATTRIBUTE_UNUSED)
+{
+  return UI_NONE;
+}
+
+#undef  TARGET_EXCEPT_UNWIND_INFO
+#define TARGET_EXCEPT_UNWIND_INFO gcn_except_unwind_info
+
 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index cfe6e0653c9..1a7046f2fc6 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,5 +1,9 @@
 2020-04-29  Thomas Schwinge  <thomas@codesourcery.com>
 
+	PR target/94282
+	* testsuite/libgomp.c-c++-common/function-not-offloaded.c: Remove
+	'dg-allow-blank-lines-in-output'.
+
 	* oacc-init.c (get_openacc_name): Handle 'gcn'.
 	* testsuite/lib/libgomp.exp
 	(offload_target_to_openacc_device_type) [amdgcn*]: Return
diff --git a/libgomp/testsuite/libgomp.c-c++-common/function-not-offloaded.c b/libgomp/testsuite/libgomp.c-c++-common/function-not-offloaded.c
index f01a64e72c0..9e59ef8864e 100644
--- a/libgomp/testsuite/libgomp.c-c++-common/function-not-offloaded.c
+++ b/libgomp/testsuite/libgomp.c-c++-common/function-not-offloaded.c
@@ -1,6 +1,5 @@
 /* { dg-do link } */
 /* { dg-excess-errors "unresolved symbol foo, lto1, mkoffload and lto-wrapper fatal errors" { target offload_device_nonshared_as } } */
-/* { dg-allow-blank-lines-in-output 1 } */
 /* { dg-additional-sources "function-not-offloaded-aux.c" } */
 
 #pragma omp declare target