From: Juzhe-Zhong <juzhe.zhong@rivai.ai>
Date: Wed, 23 Aug 2023 02:21:22 +0000 (+0800)
Subject: RISC-V: Fix gather_load_run-12.c test
X-Git-Tag: basepoints/gcc-15~6741
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5f3c8075f230309c4417b0e5256283d010ac99d2;p=thirdparty%2Fgcc.git

RISC-V: Fix gather_load_run-12.c test

FAIL: gcc.target/riscv/rvv/autovec/gather-scatter/gather_load_run-12.c

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/rvv/autovec/gather-scatter/gather_load_run-12.c:
	Add vsetvli asm.
---

diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/gather-scatter/gather_load_run-12.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/gather-scatter/gather_load_run-12.c
index b4e2ead8ca9b..2fb525d8ffca 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/gather-scatter/gather_load_run-12.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/gather-scatter/gather_load_run-12.c
@@ -7,6 +7,12 @@
 int
 main (void)
 {
+  /* FIXME: The purpose of this assembly is to ensure that the vtype register is
+     initialized befor instructions such as vmv1r.v are executed. Otherwise you
+     will get illegal instruction errors when running with spike+pk. This is an
+     interim solution for reduce unnecessary failures and a unified solution
+     will come later. */
+  asm volatile("vsetivli x0, 0, e8, m1, ta, ma");
 #define RUN_LOOP(DATA_TYPE, INDEX_TYPE)                                        \
   DATA_TYPE dest_##DATA_TYPE##_##INDEX_TYPE[202] = {0};                        \
   DATA_TYPE src_##DATA_TYPE##_##INDEX_TYPE[202] = {0};                         \