return;
}
- mask = (1u << len) - 1;
t1 = tcg_temp_new_i32();
+ if (TCG_TARGET_HAS_extract2_i32) {
+ if (ofs + len == 32) {
+ tcg_gen_shli_i32(t1, arg1, len);
+ tcg_gen_extract2_i32(ret, t1, arg2, len);
+ goto done;
+ }
+ if (ofs == 0) {
+ tcg_gen_extract2_i32(ret, arg1, arg2, len);
+ tcg_gen_rotli_i32(ret, ret, len);
+ goto done;
+ }
+ }
+
+ mask = (1u << len) - 1;
if (ofs + len < 32) {
tcg_gen_andi_i32(t1, arg2, mask);
tcg_gen_shli_i32(t1, t1, ofs);
}
tcg_gen_andi_i32(ret, arg1, ~(mask << ofs));
tcg_gen_or_i32(ret, ret, t1);
-
+ done:
tcg_temp_free_i32(t1);
}
}
}
- mask = (1ull << len) - 1;
t1 = tcg_temp_new_i64();
+ if (TCG_TARGET_HAS_extract2_i64) {
+ if (ofs + len == 64) {
+ tcg_gen_shli_i64(t1, arg1, len);
+ tcg_gen_extract2_i64(ret, t1, arg2, len);
+ goto done;
+ }
+ if (ofs == 0) {
+ tcg_gen_extract2_i64(ret, arg1, arg2, len);
+ tcg_gen_rotli_i64(ret, ret, len);
+ goto done;
+ }
+ }
+
+ mask = (1ull << len) - 1;
if (ofs + len < 64) {
tcg_gen_andi_i64(t1, arg2, mask);
tcg_gen_shli_i64(t1, t1, ofs);
}
tcg_gen_andi_i64(ret, arg1, ~(mask << ofs));
tcg_gen_or_i64(ret, ret, t1);
-
+ done:
tcg_temp_free_i64(t1);
}