diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2020-09-05 14:20:57 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-06-04 11:50:11 -0700 |
| commit | 0006039e29b9e6118beab300146f7c4931f7a217 (patch) | |
| tree | 8905f08e069cb87093201a32c34274f736b3d1fb /tcg/arm | |
| parent | 5047ae648b7f25d3cdb6ce4995c62aa7806abd7f (diff) | |
| download | qemu-0006039e29b9e6118beab300146f7c4931f7a217.zip qemu-0006039e29b9e6118beab300146f7c4931f7a217.tar.gz qemu-0006039e29b9e6118beab300146f7c4931f7a217.tar.bz2 | |
tcg/arm: Implement TCG_TARGET_HAS_rotv_vec
Implement via expansion, so don't actually set TCG_TARGET_HAS_rotv_vec.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/arm')
| -rw-r--r-- | tcg/arm/tcg-target.c.inc | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc index d0af654..f4c9cb8 100644 --- a/tcg/arm/tcg-target.c.inc +++ b/tcg/arm/tcg-target.c.inc @@ -2970,6 +2970,8 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece) case INDEX_op_shrv_vec: case INDEX_op_sarv_vec: case INDEX_op_rotli_vec: + case INDEX_op_rotlv_vec: + case INDEX_op_rotrv_vec: return -1; default: return 0; @@ -2980,7 +2982,7 @@ void tcg_expand_vec_op(TCGOpcode opc, TCGType type, unsigned vece, TCGArg a0, ...) { va_list va; - TCGv_vec v0, v1, v2, t1; + TCGv_vec v0, v1, v2, t1, t2, c1; TCGArg a2; va_start(va, a0); @@ -3025,6 +3027,37 @@ void tcg_expand_vec_op(TCGOpcode opc, TCGType type, unsigned vece, tcg_temp_free_vec(t1); break; + case INDEX_op_rotlv_vec: + v2 = temp_tcgv_vec(arg_temp(a2)); + t1 = tcg_temp_new_vec(type); + c1 = tcg_constant_vec(type, vece, 8 << vece); + tcg_gen_sub_vec(vece, t1, v2, c1); + /* Right shifts are negative left shifts for NEON. */ + vec_gen_3(INDEX_op_arm_ushl_vec, type, vece, tcgv_vec_arg(t1), + tcgv_vec_arg(v1), tcgv_vec_arg(t1)); + vec_gen_3(INDEX_op_arm_ushl_vec, type, vece, tcgv_vec_arg(v0), + tcgv_vec_arg(v1), tcgv_vec_arg(v2)); + tcg_gen_or_vec(vece, v0, v0, t1); + tcg_temp_free_vec(t1); + break; + + case INDEX_op_rotrv_vec: + v2 = temp_tcgv_vec(arg_temp(a2)); + t1 = tcg_temp_new_vec(type); + t2 = tcg_temp_new_vec(type); + c1 = tcg_constant_vec(type, vece, 8 << vece); + tcg_gen_neg_vec(vece, t1, v2); + tcg_gen_sub_vec(vece, t2, c1, v2); + /* Right shifts are negative left shifts for NEON. */ + vec_gen_3(INDEX_op_arm_ushl_vec, type, vece, tcgv_vec_arg(t1), + tcgv_vec_arg(v1), tcgv_vec_arg(t1)); + vec_gen_3(INDEX_op_arm_ushl_vec, type, vece, tcgv_vec_arg(t2), + tcgv_vec_arg(v1), tcgv_vec_arg(t2)); + tcg_gen_or_vec(vece, v0, t1, t2); + tcg_temp_free_vec(t1); + tcg_temp_free_vec(t2); + break; + default: g_assert_not_reached(); } |