This function serves as the point-of-intercept for all newly
implemented instructions. If no new implementation exists, fall back
to gen_sse.
Signed-off-by: Jan Bobek <jan.bo...@gmail.com>
---
target/i386/translate.c | 46 ++++++++++++++++++++++++++++++++++++++++-
1 file changed, 45 insertions(+), 1 deletion(-)
diff --git a/target/i386/translate.c b/target/i386/translate.c
index 44ad55f9ee..8045ce3ce0 100644
--- a/target/i386/translate.c
+++ b/target/i386/translate.c
@@ -4477,6 +4477,50 @@ static void gen_sse(CPUX86State *env, DisasContext *s,
int b)
}
}
+static void gen_sse_ng(CPUX86State *env, DisasContext *s, int b)
+{
+ enum {
+ P_NP = 0,
+ P_66 = 1 << 8,
+ P_F3 = 1 << 9,
+ P_F2 = 1 << 10,
+
+ M_NA = 0,
+ M_0F = 1 << 11,
+ M_0F38 = 1 << 12,
+ M_0F3A = 1 << 13,
+
+ W_0 = 0,
+ W_1 = 1 << 14,
+
+ VEX_128 = 1 << 15,
+ VEX_256 = 1 << 16,
+ };
+
+ const int p =
+ (s->prefix & PREFIX_DATA ? P_66 : 0)
+ | (s->prefix & PREFIX_REPZ ? P_F3 : 0)
+ | (s->prefix & PREFIX_REPNZ ? P_F2 : 0)
+ | (!(s->prefix & PREFIX_VEX) ? 0 :
+ (s->vex_l ? VEX_256 : VEX_128));
+ int m =
+ M_0F;
+ const int w =
+ REX_W(s) > 0 ? W_1 : W_0;
+ int op =
+ b & 0xff;
+
+ while (1) {
+ switch (p | m | w | op) {
+
+ default: {
+ gen_sse(env, s, b);
+ } return;
+
+ }
+ }
+}
+
static int disas_insn_prefix(DisasContext *s, CPUX86State *env)
{
int b, prefixes;
@@ -8372,7 +8416,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState
*cpu)
case 0x1c2:
case 0x1c4 ... 0x1c6:
case 0x1d0 ... 0x1fe:
- gen_sse(env, s, b);
+ gen_sse_ng(env, s, b);
break;
default:
goto unknown_op;
--
2.20.1
