From 73b2eb4a726b91ff3544c4a71457579feea115db Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Sun, 7 Mar 2021 20:23:59 +0100
Subject: Added a few SSE opcodes

---
 src/emu/x64run0f.c   | 19 +++++++++++++++++++
 src/emu/x64runf30f.c | 13 +++++++++++++
 2 files changed, 32 insertions(+)

(limited to 'src')

diff --git a/src/emu/x64run0f.c b/src/emu/x64run0f.c
index 7a6ab005..a6404967 100644
--- a/src/emu/x64run0f.c
+++ b/src/emu/x64run0f.c
@@ -66,6 +66,25 @@ int Run0F(x64emu_t *emu, rex_t rex)
             EX->q[1] = GX->q[1];
             break;
 
+        case 0x2E:                      /* UCOMISS Gx, Ex */
+            // same for now
+        case 0x2F:                      /* COMISS Gx, Ex */
+            RESET_FLAGS(emu);
+            nextop = F8;
+            GETEX(0);
+            GETGX;
+            if(isnan(GX->f[0]) || isnan(EX->f[0])) {
+                SET_FLAG(F_ZF); SET_FLAG(F_PF); SET_FLAG(F_CF);
+            } else if(isgreater(GX->f[0], EX->f[0])) {
+                CLEAR_FLAG(F_ZF); CLEAR_FLAG(F_PF); CLEAR_FLAG(F_CF);
+            } else if(isless(GX->f[0], EX->f[0])) {
+                CLEAR_FLAG(F_ZF); CLEAR_FLAG(F_PF); SET_FLAG(F_CF);
+            } else {
+                SET_FLAG(F_ZF); CLEAR_FLAG(F_PF); CLEAR_FLAG(F_CF);
+            }
+            CLEAR_FLAG(F_OF); CLEAR_FLAG(F_AF); CLEAR_FLAG(F_SF);
+            break;
+
 
         GOCOND(0x40
             , nextop = F8;
diff --git a/src/emu/x64runf30f.c b/src/emu/x64runf30f.c
index 49176b20..711f0785 100644
--- a/src/emu/x64runf30f.c
+++ b/src/emu/x64runf30f.c
@@ -66,6 +66,12 @@ int RunF30F(x64emu_t *emu, rex_t rex)
             GX->f[0] = ED->sdword[0];
         break;
 
+    case 0x58:  /* ADDSS Gx, Ex */
+        nextop = F8;
+        GETEX(0);
+        GETGX;
+        GX->f[0] += EX->f[0];
+        break;
     case 0x59:  /* MULSS Gx, Ex */
         nextop = F8;
         GETEX(0);
@@ -79,6 +85,13 @@ int RunF30F(x64emu_t *emu, rex_t rex)
         GX->d[0] = EX->f[0];
         break;
 
+    case 0x5E:  /* DIVSS Gx, Ex */
+        nextop = F8;
+        GETEX(0);
+        GETGX;
+        GX->f[0] /= EX->f[0];
+        break;
+
     case 0x6F:  /* MOVDQU Gx, Ex */
         nextop = F8;
         GETEX(0);
-- 
cgit 1.4.1