@@ -504,8 +504,24 @@ static X86OpEntry A2_00_F7[16][8] = {
X86_OP_ENTRY0(AAA, i64),
},
{
+ X86_OP_ENTRY1(INC, 0,v, i64),
+ X86_OP_ENTRY1(INC, 1,v, i64),
+ X86_OP_ENTRY1(INC, 2,v, i64),
+ X86_OP_ENTRY1(INC, 3,v, i64),
+ X86_OP_ENTRY1(INC, 4,v, i64),
+ X86_OP_ENTRY1(INC, 5,v, i64),
+ X86_OP_ENTRY1(INC, 6,v, i64),
+ X86_OP_ENTRY1(INC, 7,v, i64),
},
{
+ X86_OP_ENTRYr(PUSH, LoBits,d64),
+ X86_OP_ENTRYr(PUSH, LoBits,d64),
+ X86_OP_ENTRYr(PUSH, LoBits,d64),
+ X86_OP_ENTRYr(PUSH, LoBits,d64),
+ X86_OP_ENTRYr(PUSH, LoBits,d64),
+ X86_OP_ENTRYr(PUSH, LoBits,d64),
+ X86_OP_ENTRYr(PUSH, LoBits,d64),
+ X86_OP_ENTRYr(PUSH, LoBits,d64),
},
{
},
@@ -91,7 +91,30 @@ static void gen_alu_op(DisasContext *s1, int op, MemOp ot)
gen_op_update2_cc(s1);
set_cc_op(s1, CC_OP_SUBB + ot);
break;
- default:
+ case OP_DECL:
+ tcg_gen_movi_tl(s1->T1, -1);
+ if (s1->prefix & PREFIX_LOCK) {
+ tcg_gen_atomic_add_fetch_tl(s1->T0, s1->A0, s1->T1,
+ s1->mem_index, ot | MO_LE);
+ } else {
+ tcg_gen_add_tl(s1->T0, s1->T0, s1->T1);
+ }
+ gen_compute_eflags_c(s1, cpu_cc_src);
+ tcg_gen_mov_tl(cpu_cc_dst, s1->T0);
+ set_cc_op(s1, CC_OP_DECB + ot);
+ break;
+ case OP_INCL:
+ tcg_gen_movi_tl(s1->T1, 1);
+ if (s1->prefix & PREFIX_LOCK) {
+ tcg_gen_atomic_add_fetch_tl(s1->T0, s1->A0, s1->T1,
+ s1->mem_index, ot | MO_LE);
+ } else {
+ tcg_gen_add_tl(s1->T0, s1->T0, s1->T1);
+ }
+ gen_compute_eflags_c(s1, cpu_cc_src);
+ tcg_gen_mov_tl(cpu_cc_dst, s1->T0);
+ set_cc_op(s1, CC_OP_INCB + ot);
+ break;
case OP_ANDL:
if (s1->prefix & PREFIX_LOCK) {
tcg_gen_atomic_and_fetch_tl(s1->T0, s1->A0, s1->T1,
@@ -168,6 +191,11 @@ static void gen_DAS(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
set_cc_op(s, CC_OP_EFLAGS);
}
+static void gen_INC(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
+{
+ gen_alu_op(s, OP_INCL, decode->op[0].ot);
+}
+
static void gen_OR(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
{
gen_alu_op(s, OP_ORL, decode->op[0].ot);
@@ -223,6 +223,8 @@ enum {
OP_SUBL,
OP_XORL,
OP_CMPL,
+ OP_INCL,
+ OP_DECL,
};
/* i386 shift ops */
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- target/i386/tcg/decode-new.c.inc | 16 ++++++++++++++++ target/i386/tcg/emit.c.inc | 30 +++++++++++++++++++++++++++++- target/i386/tcg/translate.c | 2 ++ 3 files changed, 47 insertions(+), 1 deletion(-)