gcc/
* config/loongarch/loongarch.cc
(loongarch_flatten_aggregate_field): Ignore empty fields for
RECORD_TYPE.
gcc/testsuite/
* gcc.target/loongarch/zero-size-field-pass.c: New test.
* gcc.target/loongarch/zero-size-field-ret.c: New test.
---
gcc/config/loongarch/loongarch.cc | 3 ++
.../loongarch/zero-size-field-pass.c | 30
+++++++++++++++++++
.../loongarch/zero-size-field-ret.c | 28 +++++++++++++++++
3 files changed, 61 insertions(+)
create mode 100644
gcc/testsuite/gcc.target/loongarch/zero-size-field-pass.c
create mode 100644
gcc/testsuite/gcc.target/loongarch/zero-size-field-ret.c
diff --git a/gcc/config/loongarch/loongarch.cc
b/gcc/config/loongarch/loongarch.cc
index f22150a60cc..57e4d9f82ce 100644
--- a/gcc/config/loongarch/loongarch.cc
+++ b/gcc/config/loongarch/loongarch.cc
@@ -326,6 +326,9 @@ loongarch_flatten_aggregate_field (const_tree type,
for (tree f = TYPE_FIELDS (type); f; f = DECL_CHAIN (f))
if (TREE_CODE (f) == FIELD_DECL)
{
+ if (DECL_SIZE (f) && integer_zerop (DECL_SIZE (f)))
+ continue;
+
I think the modification should be below.
if (!TYPE_P (TREE_TYPE (f)))
return -1;
Thanks!
Lulu Cheng
