Hi, all,
This is the preparation for future nds32 vector implementation.
Committed as Rev.254853: http://gcc.gnu.org/r254853
gcc/
* config/nds32/nds32-modes.def: Add vector mode V4QI V2HI V8QI V4HI
V2SI.
* config/nds32/iterators.md: Add vector mode iterators and attributes.
Best regards,
jasonwucj
>From 61acc7f622e563d6b46e45b26ba1f03dcb61dcb5 Mon Sep 17 00:00:00 2001
From: Chung-Ju Wu <jason...@easystack.cn>
Date: Sun, 12 Nov 2017 16:18:39 +0800
Subject: [PATCH 5/7] Add nds32 vector modes.
---
gcc/config/nds32/iterators.md | 17 ++++++++++++++++-
gcc/config/nds32/nds32-modes.def | 4 +++-
2 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/gcc/config/nds32/iterators.md b/gcc/config/nds32/iterators.md
index 0a8f5ae..fce5ab6 100644
--- a/gcc/config/nds32/iterators.md
+++ b/gcc/config/nds32/iterators.md
@@ -26,12 +26,24 @@
;; A list of integer modes that are up to one word long.
(define_mode_iterator QIHISI [QI HI SI])
+;; A list of integer modes for one word and double word.
+(define_mode_iterator SIDI [SI DI])
+
;; A list of integer modes that are up to one half-word long.
(define_mode_iterator QIHI [QI HI])
;; A list of the modes that are up to double-word long.
(define_mode_iterator DIDF [DI DF])
+;; A list of the modes that are up to one word long vector.
+(define_mode_iterator VQIHI [V4QI V2HI])
+
+;; A list of the modes that are up to one word long vector
+;; and scalar for varies mode.
+(define_mode_iterator VSHI [V2HI HI])
+(define_mode_iterator VSQIHI [V4QI V2HI QI HI])
+(define_mode_iterator VSQIHIDI [V4QI V2HI QI HI DI])
+(define_mode_iterator VQIHIDI [V4QI V2HI DI])
;;----------------------------------------------------------------------------
;; Mode attributes.
@@ -39,8 +51,11 @@
(define_mode_attr size [(QI "b") (HI "h") (SI "w")])
-(define_mode_attr byte [(QI "1") (HI "2") (SI "4")])
+(define_mode_attr byte [(QI "1") (HI "2") (SI "4") (V4QI "4") (V2HI "4")])
+
+(define_mode_attr bits [(V4QI "8") (QI "8") (V2HI "16") (HI "16") (DI "64")])
+(define_mode_attr VELT [(V4QI "QI") (V2HI "HI")])
;;----------------------------------------------------------------------------
;; Code iterators.
diff --git a/gcc/config/nds32/nds32-modes.def b/gcc/config/nds32/nds32-modes.def
index 295a709..6e76dd2 100644
--- a/gcc/config/nds32/nds32-modes.def
+++ b/gcc/config/nds32/nds32-modes.def
@@ -18,4 +18,6 @@
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
-/* So far, there is no need to define any modes for nds32 target. */
+/* Vector modes. */
+VECTOR_MODES (INT, 4); /* V4QI V2HI */
+VECTOR_MODES (INT, 8); /* V8QI V4HI V2SI */
--
1.8.3.1
