+static inline void tcg_out_deposit(TCGContext *s, TCGArg ret, TCGArg a1,
+ TCGArg a2, int const_a2, int pos, int len)
+{
+ uint64_t i1 = 0, i2 = 0;
+ int cpos = 63 - pos, lm1 = len - 1;
+
+ if (const_a2) {
+ /* Truncate the value of a constant a2 to the width of the field. */
+ int mask = (1u << len) - 1;
+ a2 &= mask;
+
+ if (a2 == 0 || a2 == mask) {
+ /* 1-bit signed constant inserted into register. */
+ i2 = tcg_opc_i14(TCG_REG_P0, OPC_DEP_I14, ret, a2, a1, cpos, lm1);
+ } else {
+ /* Otherwise, load any constant into a temporary. Do this into
+ the first I slot to help out with cross-unit delays. */
+ i1 = tcg_opc_a5(TCG_REG_P0, OPC_ADDL_A5,
+ TCG_REG_R2, a2, TCG_REG_R0);
+ a2 = TCG_REG_R2;
+ }
+ }
+ if (i2 == 0) {
+ i2 = tcg_opc_i15(TCG_REG_P0, OPC_DEP_I15, ret, a2, a1, cpos, lm1);
+ }
+ tcg_out_bundle(s, (i1 ? mII : miI),
+ INSN_NOP_M,
+ i1 ? i1 : INSN_NOP_I,
+ i2);
+}
+