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| author | Richard Henderson <richard.henderson@linaro.org> | 2020-09-05 13:26:48 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-06-04 11:50:11 -0700 |
| commit | 5047ae648b7f25d3cdb6ce4995c62aa7806abd7f (patch) | |
| tree | 8e6cc3bcc84ebba074367f7a2e90fe36a68cf2d5 | |
| parent | 31d366390cc4316e55362d40cfc52542d6eea5ab (diff) | |
| download | qemu-5047ae648b7f25d3cdb6ce4995c62aa7806abd7f.zip qemu-5047ae648b7f25d3cdb6ce4995c62aa7806abd7f.tar.gz qemu-5047ae648b7f25d3cdb6ce4995c62aa7806abd7f.tar.bz2 | |
tcg/arm: Implement TCG_TARGET_HAS_roti_vec
Implement via expansion, so don't actually set TCG_TARGET_HAS_roti_vec.
For NEON, this is shift-right followed by shift-left-and-insert.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | tcg/arm/tcg-target-con-set.h | 1 | ||||
| -rw-r--r-- | tcg/arm/tcg-target.c.inc | 15 | ||||
| -rw-r--r-- | tcg/arm/tcg-target.opc.h | 1 |
3 files changed, 17 insertions, 0 deletions
diff --git a/tcg/arm/tcg-target-con-set.h b/tcg/arm/tcg-target-con-set.h index d02797c..3685e17 100644 --- a/tcg/arm/tcg-target-con-set.h +++ b/tcg/arm/tcg-target-con-set.h @@ -30,6 +30,7 @@ C_O1_I2(r, r, rIK) C_O1_I2(r, r, rIN) C_O1_I2(r, r, ri) C_O1_I2(r, rZ, rZ) +C_O1_I2(w, 0, w) C_O1_I2(w, w, w) C_O1_I2(w, w, wO) C_O1_I2(w, w, wV) diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc index a6c7889..d0af654 100644 --- a/tcg/arm/tcg-target.c.inc +++ b/tcg/arm/tcg-target.c.inc @@ -212,6 +212,7 @@ typedef enum { INSN_VSHLI = 0xf2800510, /* VSHL (immediate) */ INSN_VSARI = 0xf2800010, /* VSHR.S */ INSN_VSHRI = 0xf3800010, /* VSHR.U */ + INSN_VSLI = 0xf3800510, INSN_VSHL_S = 0xf2000400, /* VSHL.S (register) */ INSN_VSHL_U = 0xf3000400, /* VSHL.U (register) */ @@ -2423,6 +2424,8 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op) case INDEX_op_arm_sshl_vec: case INDEX_op_arm_ushl_vec: return C_O1_I2(w, w, w); + case INDEX_op_arm_sli_vec: + return C_O1_I2(w, 0, w); case INDEX_op_or_vec: case INDEX_op_andc_vec: return C_O1_I2(w, w, wO); @@ -2835,6 +2838,9 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, case INDEX_op_sari_vec: tcg_out_vshifti(s, INSN_VSARI, q, a0, a1, (16 << vece) - a2); return; + case INDEX_op_arm_sli_vec: + tcg_out_vshifti(s, INSN_VSLI, q, a0, a2, args[3] + (8 << vece)); + return; case INDEX_op_andc_vec: if (!const_args[2]) { @@ -2963,6 +2969,7 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece) case INDEX_op_shlv_vec: case INDEX_op_shrv_vec: case INDEX_op_sarv_vec: + case INDEX_op_rotli_vec: return -1; default: return 0; @@ -3010,6 +3017,14 @@ void tcg_expand_vec_op(TCGOpcode opc, TCGType type, unsigned vece, tcg_temp_free_vec(t1); break; + case INDEX_op_rotli_vec: + t1 = tcg_temp_new_vec(type); + tcg_gen_shri_vec(vece, t1, v1, -a2 & ((8 << vece) - 1)); + vec_gen_4(INDEX_op_arm_sli_vec, type, vece, + tcgv_vec_arg(v0), tcgv_vec_arg(t1), tcgv_vec_arg(v1), a2); + tcg_temp_free_vec(t1); + break; + default: g_assert_not_reached(); } diff --git a/tcg/arm/tcg-target.opc.h b/tcg/arm/tcg-target.opc.h index d19153d..d38af9a 100644 --- a/tcg/arm/tcg-target.opc.h +++ b/tcg/arm/tcg-target.opc.h @@ -11,5 +11,6 @@ * consider these to be UNSPEC with names. */ +DEF(arm_sli_vec, 1, 2, 1, IMPLVEC) DEF(arm_sshl_vec, 1, 2, 0, IMPLVEC) DEF(arm_ushl_vec, 1, 2, 0, IMPLVEC) |