* THE SOFTWARE.
*/
+#include "qemu/osdep.h"
#include "tcg.h"
#include "tcg-op.h"
/* Size changing operations. */
-void tcg_gen_trunc_shr_i64_i32(TCGv_i32 ret, TCGv_i64 arg, unsigned count)
+void tcg_gen_extrl_i64_i32(TCGv_i32 ret, TCGv_i64 arg)
{
- tcg_debug_assert(count < 64);
if (TCG_TARGET_REG_BITS == 32) {
- if (count >= 32) {
- tcg_gen_shri_i32(ret, TCGV_HIGH(arg), count - 32);
- } else if (count == 0) {
- tcg_gen_mov_i32(ret, TCGV_LOW(arg));
- } else {
- TCGv_i64 t = tcg_temp_new_i64();
- tcg_gen_shri_i64(t, arg, count);
- tcg_gen_mov_i32(ret, TCGV_LOW(t));
- tcg_temp_free_i64(t);
- }
- } else if (TCG_TARGET_HAS_trunc_shr_i32) {
- tcg_gen_op3i_i32(INDEX_op_trunc_shr_i32, ret,
- MAKE_TCGV_I32(GET_TCGV_I64(arg)), count);
- } else if (count == 0) {
+ tcg_gen_mov_i32(ret, TCGV_LOW(arg));
+ } else if (TCG_TARGET_HAS_extrl_i64_i32) {
+ tcg_gen_op2(&tcg_ctx, INDEX_op_extrl_i64_i32,
+ GET_TCGV_I32(ret), GET_TCGV_I64(arg));
+ } else {
tcg_gen_mov_i32(ret, MAKE_TCGV_I32(GET_TCGV_I64(arg)));
+ }
+}
+
+void tcg_gen_extrh_i64_i32(TCGv_i32 ret, TCGv_i64 arg)
+{
+ if (TCG_TARGET_REG_BITS == 32) {
+ tcg_gen_mov_i32(ret, TCGV_HIGH(arg));
+ } else if (TCG_TARGET_HAS_extrh_i64_i32) {
+ tcg_gen_op2(&tcg_ctx, INDEX_op_extrh_i64_i32,
+ GET_TCGV_I32(ret), GET_TCGV_I64(arg));
} else {
TCGv_i64 t = tcg_temp_new_i64();
- tcg_gen_shri_i64(t, arg, count);
+ tcg_gen_shri_i64(t, arg, 32);
tcg_gen_mov_i32(ret, MAKE_TCGV_I32(GET_TCGV_I64(t)));
tcg_temp_free_i64(t);
}
tcg_gen_mov_i32(TCGV_LOW(ret), arg);
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
} else {
- /* Note: we assume the target supports move between
- 32 and 64 bit registers. */
- tcg_gen_ext32u_i64(ret, MAKE_TCGV_I64(GET_TCGV_I32(arg)));
+ tcg_gen_op2(&tcg_ctx, INDEX_op_extu_i32_i64,
+ GET_TCGV_I64(ret), GET_TCGV_I32(arg));
}
}
tcg_gen_mov_i32(TCGV_LOW(ret), arg);
tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
} else {
- /* Note: we assume the target supports move between
- 32 and 64 bit registers. */
- tcg_gen_ext32s_i64(ret, MAKE_TCGV_I64(GET_TCGV_I32(arg)));
+ tcg_gen_op2(&tcg_ctx, INDEX_op_ext_i32_i64,
+ GET_TCGV_I64(ret), GET_TCGV_I32(arg));
}
}
tcg_gen_mov_i32(lo, TCGV_LOW(arg));
tcg_gen_mov_i32(hi, TCGV_HIGH(arg));
} else {
- tcg_gen_trunc_shr_i64_i32(lo, arg, 0);
- tcg_gen_trunc_shr_i64_i32(hi, arg, 32);
+ tcg_gen_extrl_i64_i32(lo, arg);
+ tcg_gen_extrh_i64_i32(hi, arg);
}
}