From 05ee4e6d7ae5e0a5beac7ae43d657113d467fdd7 Mon Sep 17 00:00:00 2001
From: Ryan Houdek <Sonicadvance1@gmail.com>
Date: Wed, 30 Dec 2020 10:00:51 -0800
Subject: [PATCH] Adds cvtsi2ss unit test to ensure proper 64bit->float
 conversion

---
 unittests/ASM/REP/F3_2A_2.asm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 unittests/ASM/REP/F3_2A_2.asm

diff --git a/unittests/ASM/REP/F3_2A_2.asm b/unittests/ASM/REP/F3_2A_2.asm
new file mode 100644
index 000000000..4160bcafd
--- /dev/null
+++ b/unittests/ASM/REP/F3_2A_2.asm
@@ -0,0 +1,23 @@
+%ifdef CONFIG
+{
+  "RegData": {
+    "XMM0":  ["0x414243444F800000", "0x5152535455565758"]
+  }
+}
+%endif
+
+mov rdx, 0xe0000000
+
+mov rax, 0x4142434445464748
+mov [rdx + 8 * 0], rax
+mov rax, 0x5152535455565758
+mov [rdx + 8 * 1], rax
+
+movapd xmm0, [rdx + 8 * 0]
+
+; Ensures that a large "negative" 32bit value converts correctly in cvtsi2ss when treated as a 64bit value
+; Upper bits being zero
+mov rax, 0xFFFFFFFF
+cvtsi2ss xmm0, rax
+
+hlt