From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PATCH v2 15/15] tcg/arm: Implement TCG_TARGET_HAS_rotv_vec
Date: Sun, 7 Feb 2021 18:46:25 -0800 [thread overview]
Message-ID: <20210208024625.271018-16-richard.henderson@linaro.org> (raw)
In-Reply-To: <20210208024625.271018-1-richard.henderson@linaro.org>
Implement via expansion, so don't actually set TCG_TARGET_HAS_rotv_vec.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/arm/tcg-target.c.inc | 35 ++++++++++++++++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc
index 3150aae8d6..a930d51e92 100644
--- a/tcg/arm/tcg-target.c.inc
+++ b/tcg/arm/tcg-target.c.inc
@@ -2977,6 +2977,8 @@ 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;
@@ -2987,7 +2989,7 @@ 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);
@@ -3032,6 +3034,37 @@ 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();
}
--
2.25.1
next prev parent reply other threads:[~2021-02-08 4:03 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-08 2:46 [PATCH v2 00/15] tcg/arm: host neon support Richard Henderson
2021-02-08 2:46 ` [PATCH v2 01/15] tcg: Change parameters for tcg_target_const_match Richard Henderson
2021-02-08 17:43 ` Peter Maydell
2021-02-08 2:46 ` [PATCH v2 02/15] tcg/arm: Add host vector framework Richard Henderson
2021-02-08 17:53 ` Peter Maydell
2021-02-08 18:28 ` Peter Maydell
2021-02-08 18:58 ` Richard Henderson
2021-02-08 19:30 ` Peter Maydell
2021-02-08 22:26 ` Richard Henderson
2021-02-08 2:46 ` [PATCH v2 03/15] tcg/arm: Implement tcg_out_ld/st for vector types Richard Henderson
2021-02-08 17:56 ` Peter Maydell
2021-02-08 2:46 ` [PATCH v2 04/15] tcg/arm: Implement tcg_out_mov " Richard Henderson
2021-02-08 18:02 ` Peter Maydell
2021-02-08 2:46 ` [PATCH v2 05/15] tcg/arm: Implement tcg_out_dup*_vec Richard Henderson
2021-02-08 18:14 ` Peter Maydell
2021-02-08 2:46 ` [PATCH v2 06/15] tcg/arm: Implement minimal vector operations Richard Henderson
2021-02-08 18:20 ` Peter Maydell
2021-02-08 2:46 ` [PATCH v2 07/15] tcg/arm: Implement andc, orc, abs, neg, not " Richard Henderson
2021-02-08 18:22 ` Peter Maydell
2021-02-08 2:46 ` [PATCH v2 08/15] tcg/arm: Implement TCG_TARGET_HAS_shi_vec Richard Henderson
2021-02-08 19:35 ` Peter Maydell
2021-02-08 2:46 ` [PATCH v2 09/15] tcg/arm: Implement TCG_TARGET_HAS_mul_vec Richard Henderson
2021-02-08 19:36 ` Peter Maydell
2021-02-08 2:46 ` [PATCH v2 10/15] tcg/arm: Implement TCG_TARGET_HAS_sat_vec Richard Henderson
2021-02-08 19:36 ` Peter Maydell
2021-02-08 2:46 ` [PATCH v2 11/15] tcg/arm: Implement TCG_TARGET_HAS_minmax_vec Richard Henderson
2021-02-08 19:38 ` Peter Maydell
2021-02-08 2:46 ` [PATCH v2 12/15] tcg/arm: Implement TCG_TARGET_HAS_bitsel_vec Richard Henderson
2021-02-08 19:55 ` Peter Maydell
2021-02-08 22:27 ` Richard Henderson
2021-02-08 2:46 ` [PATCH v2 13/15] tcg/arm: Implement TCG_TARGET_HAS_shv_vec Richard Henderson
2021-02-08 20:50 ` Peter Maydell
2021-02-08 22:27 ` Richard Henderson
2021-02-08 2:46 ` [PATCH v2 14/15] tcg/arm: Implement TCG_TARGET_HAS_roti_vec Richard Henderson
2021-02-08 20:51 ` Peter Maydell
2021-02-08 2:46 ` Richard Henderson [this message]
2021-02-08 20:52 ` [PATCH v2 15/15] tcg/arm: Implement TCG_TARGET_HAS_rotv_vec Peter Maydell
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210208024625.271018-16-richard.henderson@linaro.org \
--to=richard.henderson@linaro.org \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).