From: Jiawei <jiawei@iscas.ac.cn>
Date: Tue, 2 Sep 2025 13:51:54 +0000 (-0600)
Subject: RISC-V: Add Zbb extension sext testcase.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b839cac4d6c3f8be8c4d94a39f59aa7a5fd7271a;p=thirdparty%2Fgcc.git

RISC-V: Add Zbb extension sext testcase.

This patch update RISC-V Zba extension 'sext' instructions generation.
Supplemented the instruction generation detection of 'sext.h' and
'sext.b'.

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/zbb-sext.c: New test.
---

diff --git a/gcc/testsuite/gcc.target/riscv/zbb-sext.c b/gcc/testsuite/gcc.target/riscv/zbb-sext.c
new file mode 100644
index 00000000000..1ad3e714371
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/zbb-sext.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -march=rv64gc_zbb -mabi=lp64" } */
+
+#include<stdint.h>
+
+int8_t foo1(uint8_t a) {
+    return a;
+}
+
+int16_t foo2(uint16_t a) {
+    return a;
+}
+
+/* { dg-final { scan-assembler "sext.b" } } */
+/* { dg-final { scan-assembler "sext.h" } } */