LGTM!
在 2023/9/9 下午4:20, Xi Ruoyao 写道:
The generic code will split 16-byte copy into two 8-byte copies, so the
vector code wouldn't be used even if -mno-strict-align. This
contradicted with the purpose of this test case.
gcc/testsuite/ChangeLog:
* gcc.target/loongarch/memcpy-vec-3.c: Increase the amount of
copied bytes to 32.
---
gcc/testsuite/gcc.target/loongarch/memcpy-vec-3.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/testsuite/gcc.target/loongarch/memcpy-vec-3.c
b/gcc/testsuite/gcc.target/loongarch/memcpy-vec-3.c
index 233ed215078..db2ea510b09 100644
--- a/gcc/testsuite/gcc.target/loongarch/memcpy-vec-3.c
+++ b/gcc/testsuite/gcc.target/loongarch/memcpy-vec-3.c
@@ -3,4 +3,4 @@
/* { dg-final { scan-assembler-not "vst" } } */
extern char a[], b[];
-void test() { __builtin_memcpy(a, b, 16); }
+void test() { __builtin_memcpy(a, b, 32); }