tcg/i386: Handle ctpop opcode
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/tcg/i386/tcg-target.inc.c b/tcg/i386/tcg-target.inc.c
index 3650340..01177a9 100644
--- a/tcg/i386/tcg-target.inc.c
+++ b/tcg/i386/tcg-target.inc.c
@@ -130,9 +130,10 @@
# define have_movbe 0
#endif
-/* We need this symbol in tcg-target.h, and we can't properly conditionalize
+/* We need these symbols in tcg-target.h, and we can't properly conditionalize
it there. Therefore we always define the variable. */
bool have_bmi1;
+bool have_popcnt;
#if defined(CONFIG_CPUID_H) && defined(bit_BMI2)
static bool have_bmi2;
@@ -337,6 +338,7 @@
#define OPC_MOVZBL (0xb6 | P_EXT)
#define OPC_MOVZWL (0xb7 | P_EXT)
#define OPC_POP_r32 (0x58)
+#define OPC_POPCNT (0xb8 | P_EXT | P_SIMDF3)
#define OPC_PUSH_r32 (0x50)
#define OPC_PUSH_Iv (0x68)
#define OPC_PUSH_Ib (0x6a)
@@ -2083,6 +2085,9 @@
OP_32_64(clz):
tcg_out_clz(s, rexw, args[0], args[1], args[2], const_args[2]);
break;
+ OP_32_64(ctpop):
+ tcg_out_modrm(s, OPC_POPCNT + rexw, a0, a1);
+ break;
case INDEX_op_brcond_i32:
tcg_out_brcond32(s, a2, a0, a1, const_args[1], arg_label(args[3]), 0);
@@ -2398,6 +2403,8 @@
case INDEX_op_extract_i32:
case INDEX_op_extract_i64:
case INDEX_op_sextract_i32:
+ case INDEX_op_ctpop_i32:
+ case INDEX_op_ctpop_i64:
return &r_r;
case INDEX_op_deposit_i32:
@@ -2602,6 +2609,9 @@
need to probe for it. */
have_movbe = (c & bit_MOVBE) != 0;
#endif
+#ifdef bit_POPCNT
+ have_popcnt = (c & bit_POPCNT) != 0;
+#endif
}
if (max >= 7) {
