From a6f132f6dab7965d9e19db78ed20b3e0ca045521 Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Fri, 2 Jul 2021 15:41:10 +0200
Subject: Added 64 0F AF opcode ([DYNAREC] Too)

---
 src/dynarec/dynarec_arm64_64.c | 33 +++++++++++++++++++++++++++++++++
 src/emu/x64run64.c             | 10 ++++++++++
 2 files changed, 43 insertions(+)

(limited to 'src')

diff --git a/src/dynarec/dynarec_arm64_64.c b/src/dynarec/dynarec_arm64_64.c
index 2fab3ee3..e735784d 100644
--- a/src/dynarec/dynarec_arm64_64.c
+++ b/src/dynarec/dynarec_arm64_64.c
@@ -151,6 +151,39 @@ uintptr_t dynarec64_64(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
                     }
                     break;
 
+                case 0xAF:
+                    INST_NAME("IMUL Gd, Ed");
+                    SETFLAGS(X_ALL, SF_PENDING);
+                    nextop = F8;
+                    grab_segdata(dyn, addr, ninst, x4, seg);
+                    GETGD;
+                    GETEDO(x4, 0);
+                    if(rex.w) {
+                        // 64bits imul
+                        UFLAG_IF {
+                            SMULH(x3, gd, ed);
+                            MULx(gd, gd, ed);
+                            UFLAG_OP1(x3);
+                            UFLAG_RES(gd);
+                            UFLAG_DF(x3, d_imul64);
+                        } else {
+                            MULxw(gd, gd, ed);
+                        }
+                    } else {
+                        // 32bits imul
+                        UFLAG_IF {
+                            SMULL(gd, gd, ed);
+                            UFLAG_RES(gd);
+                            LSRx(x3, gd, 32);
+                            UFLAG_OP1(x3);
+                            UFLAG_DF(x3, d_imul32);
+                            MOVw_REG(gd, gd);
+                        } else {
+                            MULxw(gd, gd, ed);
+                        }
+                    }
+                    break;
+
                 default:
                     DEFAULT;
             }
diff --git a/src/emu/x64run64.c b/src/emu/x64run64.c
index c7f2fbec..63b95199 100644
--- a/src/emu/x64run64.c
+++ b/src/emu/x64run64.c
@@ -181,6 +181,16 @@ int Run64(x64emu_t *emu, rex_t rex, int seg)
                     }
                     break;
 
+                case 0xAF:                      /* IMUL Gd,Ed */
+                    nextop = F8;
+                    GETED_OFFS(0, tlsdata);
+                    GETGD;
+                    if(rex.w)
+                        GD->q[0] = imul64(emu, GD->q[0], ED->q[0]);
+                    else
+                        GD->q[0] = imul32(emu, GD->dword[0], ED->dword[0]);
+                    break;
+
                 default:
                     return 1;
             }
-- 
cgit 1.4.1