From 9e15d771c8c65cb6670514bbb0fa7281048531ab Mon Sep 17 00:00:00 2001
From: Yang Liu <liuyang22@iscas.ac.cn>
Date: Tue, 14 Mar 2023 19:03:14 +0800
Subject: [RV64_DYNAREC] Added 85 TEST opcode (#563)

---
 src/dynarec/rv64/dynarec_rv64_00.c         |  9 ++++-
 src/dynarec/rv64/dynarec_rv64_emit_tests.c | 54 ++++++++++++++++++++++++++++++
 src/dynarec/rv64/dynarec_rv64_helper.h     |  2 +-
 3 files changed, 63 insertions(+), 2 deletions(-)
 create mode 100644 src/dynarec/rv64/dynarec_rv64_emit_tests.c

(limited to 'src')

diff --git a/src/dynarec/rv64/dynarec_rv64_00.c b/src/dynarec/rv64/dynarec_rv64_00.c
index a574ce4c..563bdf6a 100644
--- a/src/dynarec/rv64/dynarec_rv64_00.c
+++ b/src/dynarec/rv64/dynarec_rv64_00.c
@@ -118,7 +118,14 @@ uintptr_t dynarec64_00(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ni
                     DEFAULT;
             }
             break;
-
+        case 0x85:
+            INST_NAME("TEST Ed, Gd");
+            SETFLAGS(X_ALL, SF_SET_PENDING);
+            nextop=F8;
+            GETGD;
+            GETED(0);
+            emit_test32(dyn, ninst, rex, ed, gd, x3, x4, x5);
+            break;
         case 0x89:
             INST_NAME("MOV Ed, Gd");
             nextop=F8;
diff --git a/src/dynarec/rv64/dynarec_rv64_emit_tests.c b/src/dynarec/rv64/dynarec_rv64_emit_tests.c
new file mode 100644
index 00000000..d12bb7f9
--- /dev/null
+++ b/src/dynarec/rv64/dynarec_rv64_emit_tests.c
@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <pthread.h>
+#include <errno.h>
+
+#include "debug.h"
+#include "box64context.h"
+#include "dynarec.h"
+#include "emu/x64emu_private.h"
+#include "emu/x64run_private.h"
+#include "x64run.h"
+#include "x64emu.h"
+#include "box64stack.h"
+#include "callback.h"
+#include "emu/x64run_private.h"
+#include "x64trace.h"
+#include "dynarec_native.h"
+#include "../tools/bridge_private.h"
+
+#include "rv64_printer.h"
+#include "dynarec_rv64_private.h"
+#include "dynarec_rv64_functions.h"
+#include "dynarec_rv64_helper.h"
+
+// emit TEST32 instruction, from test s1, s2, using s3 and s4 as scratch
+void emit_test32(dynarec_rv64_t* dyn, int ninst, rex_t rex, int s1, int s2, int s3, int s4, int s5)
+{
+    CLEAR_FLAGS();
+    IFX_PENDOR0 {
+        SET_DF(s3, rex.w?d_tst64:d_tst32);
+    } else {
+        SET_DFNONE(s4);
+    }
+
+    AND(s3, s1, s2); // res = s1 & s2
+
+    IFX_PENDOR0 {
+        SDxw(s3, xEmu, offsetof(x64emu_t, res));
+    }
+    IFX(X_SF) {
+        if (!rex.w) ZEROUP(s3);
+        SRLI(s4, s3, rex.w?63:31);
+        BEQZ(s4, 4);
+        ORI(xFlags, xFlags, 1 << F_SF);
+    }
+    IFX(X_ZF) {
+        BNEZ(s3, 4);
+        ORI(xFlags, xFlags, F_ZF);
+    }
+    IFX(X_PF) {
+        emit_pf(dyn, ninst, s3, s4, s5);
+    }
+}
diff --git a/src/dynarec/rv64/dynarec_rv64_helper.h b/src/dynarec/rv64/dynarec_rv64_helper.h
index 84eaa0df..cdba7721 100644
--- a/src/dynarec/rv64/dynarec_rv64_helper.h
+++ b/src/dynarec/rv64/dynarec_rv64_helper.h
@@ -336,7 +336,7 @@ void jump_to_next(dynarec_rv64_t* dyn, uintptr_t ip, int reg, int ninst);
 //void emit_cmp32_0(dynarec_rv64_t* dyn, int ninst, rex_t rex, int s1, int s3, int s4);
 //void emit_test8(dynarec_rv64_t* dyn, int ninst, int s1, int s2, int s3, int s4, int s5);
 //void emit_test16(dynarec_rv64_t* dyn, int ninst, int s1, int s2, int s3, int s4, int s5);
-//void emit_test32(dynarec_rv64_t* dyn, int ninst, rex_t rex, int s1, int s2, int s3, int s4);
+void emit_test32(dynarec_rv64_t* dyn, int ninst, rex_t rex, int s1, int s2, int s3, int s4, int s5);
 //void emit_add32(dynarec_rv64_t* dyn, int ninst, rex_t rex, int s1, int s2, int s3, int s4);
 //void emit_add32c(dynarec_rv64_t* dyn, int ninst, rex_t rex, int s1, int64_t c, int s3, int s4, int s5);
 //void emit_add8(dynarec_rv64_t* dyn, int ninst, int s1, int s2, int s3, int s4);
-- 
cgit 1.4.1