diff options
Diffstat (limited to 'tcg/tcg-op.c')
| -rw-r--r-- | tcg/tcg-op.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index 1927e53123..2b520c1953 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -457,6 +457,85 @@ void tcg_gen_orc_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) } } +void tcg_gen_clz_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_clz_i32) { + tcg_gen_op3_i32(INDEX_op_clz_i32, ret, arg1, arg2); + } else if (TCG_TARGET_HAS_clz_i64) { + TCGv_i64 t1 = tcg_temp_new_i64(); + TCGv_i64 t2 = tcg_temp_new_i64(); + tcg_gen_extu_i32_i64(t1, arg1); + tcg_gen_extu_i32_i64(t2, arg2); + tcg_gen_addi_i64(t2, t2, 32); + tcg_gen_clz_i64(t1, t1, t2); + tcg_gen_extrl_i64_i32(ret, t1); + tcg_temp_free_i64(t1); + tcg_temp_free_i64(t2); + tcg_gen_subi_i32(ret, ret, 32); + } else { + gen_helper_clz_i32(ret, arg1, arg2); + } +} + +void tcg_gen_clzi_i32(TCGv_i32 ret, TCGv_i32 arg1, uint32_t arg2) +{ + TCGv_i32 t = tcg_const_i32(arg2); + tcg_gen_clz_i32(ret, arg1, t); + tcg_temp_free_i32(t); +} + +void tcg_gen_ctz_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) +{ + if (TCG_TARGET_HAS_ctz_i32) { + tcg_gen_op3_i32(INDEX_op_ctz_i32, ret, arg1, arg2); + } else if (TCG_TARGET_HAS_ctz_i64) { + TCGv_i64 t1 = tcg_temp_new_i64(); + TCGv_i64 t2 = tcg_temp_new_i64(); + tcg_gen_extu_i32_i64(t1, arg1); + tcg_gen_extu_i32_i64(t2, arg2); + tcg_gen_ctz_i64(t1, t1, t2); + tcg_gen_extrl_i64_i32(ret, t1); + tcg_temp_free_i64(t1); + tcg_temp_free_i64(t2); + } else if (TCG_TARGET_HAS_clz_i32) { + TCGv_i32 t1 = tcg_temp_new_i32(); + TCGv_i32 t2 = tcg_temp_new_i32(); + tcg_gen_neg_i32(t1, arg1); + tcg_gen_xori_i32(t2, arg2, 31); + tcg_gen_and_i32(t1, t1, arg1); + tcg_gen_clz_i32(ret, t1, t2); + tcg_temp_free_i32(t1); + tcg_temp_free_i32(t2); + tcg_gen_xori_i32(ret, ret, 31); + } else if (TCG_TARGET_HAS_clz_i64) { + TCGv_i32 t1 = tcg_temp_new_i32(); + TCGv_i32 t2 = tcg_temp_new_i32(); + TCGv_i64 x1 = tcg_temp_new_i64(); + TCGv_i64 x2 = tcg_temp_new_i64(); + tcg_gen_neg_i32(t1, arg1); + tcg_gen_xori_i32(t2, arg2, 63); + tcg_gen_and_i32(t1, t1, arg1); + tcg_gen_extu_i32_i64(x1, t1); + tcg_gen_extu_i32_i64(x2, t2); + tcg_temp_free_i32(t1); + tcg_temp_free_i32(t2); + tcg_gen_clz_i64(x1, x1, x2); + tcg_gen_extrl_i64_i32(ret, x1); + tcg_temp_free_i64(x1); + tcg_temp_free_i64(x2); + tcg_gen_xori_i32(ret, ret, 63); + } else { + gen_helper_ctz_i32(ret, arg1, arg2); + } +} + +void tcg_gen_ctzi_i32(TCGv_i32 ret, TCGv_i32 arg1, uint32_t arg2) +{ + TCGv_i32 t = tcg_const_i32(arg2); + tcg_gen_ctz_i32(ret, arg1, t); + tcg_temp_free_i32(t); +} + void tcg_gen_rotl_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) { if (TCG_TARGET_HAS_rot_i32) { @@ -1703,6 +1782,70 @@ void tcg_gen_orc_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) } } +void tcg_gen_clz_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_HAS_clz_i64) { + tcg_gen_op3_i64(INDEX_op_clz_i64, ret, arg1, arg2); + } else { + gen_helper_clz_i64(ret, arg1, arg2); + } +} + +void tcg_gen_clzi_i64(TCGv_i64 ret, TCGv_i64 arg1, uint64_t arg2) +{ + if (TCG_TARGET_REG_BITS == 32 + && TCG_TARGET_HAS_clz_i32 + && arg2 <= 0xffffffffu) { + TCGv_i32 t = tcg_const_i32((uint32_t)arg2 - 32); + tcg_gen_clz_i32(t, TCGV_LOW(arg1), t); + tcg_gen_addi_i32(t, t, 32); + tcg_gen_clz_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), t); + tcg_gen_movi_i32(TCGV_HIGH(ret), 0); + tcg_temp_free_i32(t); + } else { + TCGv_i64 t = tcg_const_i64(arg2); + tcg_gen_clz_i64(ret, arg1, t); + tcg_temp_free_i64(t); + } +} + +void tcg_gen_ctz_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) +{ + if (TCG_TARGET_HAS_ctz_i64) { + tcg_gen_op3_i64(INDEX_op_ctz_i64, ret, arg1, arg2); + } else if (TCG_TARGET_HAS_clz_i64) { + TCGv_i64 t1 = tcg_temp_new_i64(); + TCGv_i64 t2 = tcg_temp_new_i64(); + tcg_gen_neg_i64(t1, arg1); + tcg_gen_xori_i64(t2, arg2, 63); + tcg_gen_and_i64(t1, t1, arg1); + tcg_gen_clz_i64(ret, t1, t2); + tcg_temp_free_i64(t1); + tcg_temp_free_i64(t2); + tcg_gen_xori_i64(ret, ret, 63); + } else { + gen_helper_ctz_i64(ret, arg1, arg2); + } +} + +void tcg_gen_ctzi_i64(TCGv_i64 ret, TCGv_i64 arg1, uint64_t arg2) +{ + if (TCG_TARGET_REG_BITS == 32 + && TCG_TARGET_HAS_ctz_i32 + && arg2 <= 0xffffffffu) { + TCGv_i32 t32 = tcg_const_i32((uint32_t)arg2 - 32); + tcg_gen_ctz_i32(t32, TCGV_HIGH(arg1), t32); + tcg_gen_addi_i32(t32, t32, 32); + tcg_gen_ctz_i32(TCGV_LOW(ret), TCGV_LOW(arg1), t32); + tcg_gen_movi_i32(TCGV_HIGH(ret), 0); + tcg_temp_free_i32(t32); + } else { + TCGv_i64 t64 = tcg_const_i64(arg2); + tcg_gen_ctz_i64(ret, arg1, t64); + tcg_temp_free_i64(t64); + } +} + void tcg_gen_rotl_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) { if (TCG_TARGET_HAS_rot_i64) { |