From: Taylor Simpson <ltaylorsimpson@gmail.com>
Date: Thu, 7 Mar 2024 03:23:23 +0000 (-0700)
Subject: Hexagon (tests/tcg/hexagon) Test HVX .new read from high half of pair
X-Git-Tag: v9.1.0-rc0~121^2~4
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b887b6b71c0008413314e2b5e7d691f4812776f3;p=thirdparty%2Fqemu.git

Hexagon (tests/tcg/hexagon) Test HVX .new read from high half of pair

Make sure the decoding of HVX .new is correctly handling this case

Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Message-Id: <20240307032327.4799-6-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
---

diff --git a/tests/tcg/hexagon/hvx_misc.c b/tests/tcg/hexagon/hvx_misc.c
index b45170acd17..1fe14b51580 100644
--- a/tests/tcg/hexagon/hvx_misc.c
+++ b/tests/tcg/hexagon/hvx_misc.c
@@ -1,5 +1,5 @@
 /*
- *  Copyright(c) 2021-2023 Qualcomm Innovation Center, Inc. All Rights Reserved.
+ *  Copyright(c) 2021-2024 Qualcomm Innovation Center, Inc. All Rights Reserved.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -231,6 +231,7 @@ static void test_masked_store(bool invert)
 static void test_new_value_store(void)
 {
     void *p0 = buffer0;
+    void *p1 = buffer1;
     void *pout = output;
 
     asm("{\n\t"
@@ -242,6 +243,19 @@ static void test_new_value_store(void)
     expect[0] = buffer0[0];
 
     check_output_w(__LINE__, 1);
+
+    /* Test the .new read from the high half of a pair */
+    asm("v7 = vmem(%0 + #0)\n\t"
+        "v12 = vmem(%1 + #0)\n\t"
+        "{\n\t"
+        "    v5:4 = vcombine(v12, v7)\n\t"
+        "    vmem(%2 + #0) = v5.new\n\t"
+        "}\n\t"
+        : : "r"(p0), "r"(p1), "r"(pout) : "v4", "v5", "v7", "v12", "memory");
+
+    expect[0] = buffer1[0];
+
+    check_output_w(__LINE__, 1);
 }
 
 static void test_max_temps()