This patch update RISC-V Zba extension 'shNadd.uw' instruction generation.
Supplemented the instruction generation detection of 'sh1add.uw' and
'sh3add.uw'.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/zba-shadd.c: New test functions.
---
gcc/testsuite/gcc.target/riscv/zba-shadd.c | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/gcc/testsuite/gcc.target/riscv/zba-shadd.c
b/gcc/testsuite/gcc.target/riscv/zba-shadd.c
index 61305d3a357..445ffb29474 100644
--- a/gcc/testsuite/gcc.target/riscv/zba-shadd.c
+++ b/gcc/testsuite/gcc.target/riscv/zba-shadd.c
@@ -1,7 +1,15 @@
/* { dg-do compile } */
/* { dg-options "-O2 -march=rv64gc_zba -mabi=lp64" } */
-unsigned long foo(unsigned int a, unsigned long b)
+unsigned long foo1(unsigned int a, unsigned long b)
+{
+ a = a << 1;
+ unsigned long c = (unsigned long) a;
+ unsigned long d = b + (c<<1);
+ return d;
+}
+
+unsigned long foo2(unsigned int a, unsigned long b)
{
a = a << 1;
unsigned long c = (unsigned long) a;
@@ -9,5 +17,15 @@ unsigned long foo(unsigned int a, unsigned long b)
return d;
}
+unsigned long foo3(unsigned int a, unsigned long b)
+{
+ a = a << 1;
+ unsigned long c = (unsigned long) a;
+ unsigned long d = b + (c<<3);
+ return d;
+}
+
+/* { dg-final { scan-assembler "sh1add.uw" } } */
/* { dg-final { scan-assembler "sh2add.uw" } } */
+/* { dg-final { scan-assembler "sh3add.uw" } } */
/* { dg-final { scan-assembler-not {\mzext} } } */
--
2.43.0
