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[PATCH 14/17] target/i386: add a0-a7, b0-b7 opcodes


From: Paolo Bonzini
Subject: [PATCH 14/17] target/i386: add a0-a7, b0-b7 opcodes
Date: Wed, 24 Aug 2022 19:32:47 +0200

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/tcg/decode-new.c.inc | 16 ++++++++++++++++
 target/i386/tcg/emit.c.inc       | 22 ++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/target/i386/tcg/decode-new.c.inc b/target/i386/tcg/decode-new.c.inc
index 07a2aea540..3d96ac3adb 100644
--- a/target/i386/tcg/decode-new.c.inc
+++ b/target/i386/tcg/decode-new.c.inc
@@ -592,8 +592,24 @@ static X86OpEntry A2_00_F7[16][8] = {
         X86_OP_ENTRY2(XCHG, 0,v, LoBits,v),
     },
     {
+        X86_OP_ENTRY3(MOV, 0,b, O,b, None, None), /* AL, Ob */
+        X86_OP_ENTRY3(MOV, 0,v, O,v, None, None), /* rAX, Ov */
+        X86_OP_ENTRY3(MOV, O,b, 0,b, None, None), /* Ob, AL */
+        X86_OP_ENTRY3(MOV, O,v, 0,v, None, None), /* Ov, rAX */
+        X86_OP_ENTRY2(MOVS, Y,b, X,b),
+        X86_OP_ENTRY2(MOVS, Y,v, X,v),
+        X86_OP_ENTRY2(CMPS, Y,b, X,b),
+        X86_OP_ENTRY2(CMPS, Y,v, X,v),
     },
     {
+        X86_OP_ENTRY3(MOV, LoBits,b, I,b, None, None),
+        X86_OP_ENTRY3(MOV, LoBits,b, I,b, None, None),
+        X86_OP_ENTRY3(MOV, LoBits,b, I,b, None, None),
+        X86_OP_ENTRY3(MOV, LoBits,b, I,b, None, None),
+        X86_OP_ENTRY3(MOV, LoBits,b, I,b, None, None),
+        X86_OP_ENTRY3(MOV, LoBits,b, I,b, None, None),
+        X86_OP_ENTRY3(MOV, LoBits,b, I,b, None, None),
+        X86_OP_ENTRY3(MOV, LoBits,b, I,b, None, None),
     },
     {
     },
diff --git a/target/i386/tcg/emit.c.inc b/target/i386/tcg/emit.c.inc
index 80f6541464..9395474302 100644
--- a/target/i386/tcg/emit.c.inc
+++ b/target/i386/tcg/emit.c.inc
@@ -227,6 +227,18 @@ static void gen_BOUND(DisasContext *s, CPUX86State *env, 
X86DecodedInsn *decode)
     }
 }
 
+static void gen_CMPS(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
+{
+    MemOp ot = decode->op[0].ot;
+    if (s->prefix & PREFIX_REPNZ) {
+        gen_repz_cmps(s, ot, s->pc_start - s->cs_base, s->pc - s->cs_base, 1);
+    } else if (s->prefix & PREFIX_REPZ) {
+        gen_repz_cmps(s, ot, s->pc_start - s->cs_base, s->pc - s->cs_base, 0);
+    } else {
+        gen_cmps(s, ot);
+    }
+}
+
 static void gen_DAA(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
 {
     gen_update_cc_op(s);
@@ -327,6 +339,16 @@ static void gen_MOV(DisasContext *s, CPUX86State *env, 
X86DecodedInsn *decode)
 }
 #define gen_NOP gen_MOV
 
+static void gen_MOVS(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
+{
+    MemOp ot = decode->op[0].ot;
+    if (s->prefix & (PREFIX_REPZ | PREFIX_REPNZ)) {
+        gen_repz_movs(s, ot, s->pc_start - s->cs_base, s->pc - s->cs_base);
+    } else {
+        gen_movs(s, ot);
+    }
+}
+
 static void gen_MOVSXD(DisasContext *s, CPUX86State *env, X86DecodedInsn 
*decode)
 {
     tcg_gen_ext32s_tl(s->T0, s->T0);
-- 
2.37.1





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