From 5f2ca3b2fd13489418ea36a6ef3fdffc6e2d3293 Mon Sep 17 00:00:00 2001
From: Matthew Wahab <matthew.wahab@arm.com>
Date: Wed, 16 Dec 2015 11:56:21 +0000
Subject: [PATCH] [ARM] Add patterns for new instructions

	* config/arm/iterators.md (VQRDMLH_AS): New.
	(neon_rdma_as): New.
	* config/arm/neon.md
	(neon_vqrdml<VQRDMLH_AS:neon_rdma_as>h<mode>): New.
	(neon_vqrdml<VQRDMLH_AS:neon_rdma_as>h_lane<mode>): New.
	* config/arm/unspecs.md (UNSPEC_VQRDMLAH): New.
	(UNSPEC_VQRDMLSH): New.

From-SVN: r231681
---
 gcc/ChangeLog               | 10 +++++++++
 gcc/config/arm/iterators.md |  5 +++++
 gcc/config/arm/neon.md      | 45 +++++++++++++++++++++++++++++++++++++
 gcc/config/arm/unspecs.md   |  2 ++
 4 files changed, 62 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7f43a766bb5..b4e86189d1e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,13 @@
+2015-12-16  Matthew Wahab  <matthew.wahab@arm.com>
+
+	* config/arm/iterators.md (VQRDMLH_AS): New.
+	(neon_rdma_as): New.
+	* config/arm/neon.md
+	(neon_vqrdml<VQRDMLH_AS:neon_rdma_as>h<mode>): New.
+	(neon_vqrdml<VQRDMLH_AS:neon_rdma_as>h_lane<mode>): New.
+	* config/arm/unspecs.md (UNSPEC_VQRDMLAH): New.
+	(UNSPEC_VQRDMLSH): New.
+
 2015-12-16  Matthew Wahab  <matthew.wahab@arm.com>
 
 	* config/arm/t-aprofile: Make "armv8.1-a" and "armv8.1-a+crc"
diff --git a/gcc/config/arm/iterators.md b/gcc/config/arm/iterators.md
index 6a541251ed1..c7a688044e9 100644
--- a/gcc/config/arm/iterators.md
+++ b/gcc/config/arm/iterators.md
@@ -362,6 +362,8 @@
 (define_int_iterator CRYPTO_SELECTING [UNSPEC_SHA1C UNSPEC_SHA1M
                                        UNSPEC_SHA1P])
 
+(define_int_iterator VQRDMLH_AS [UNSPEC_VQRDMLAH UNSPEC_VQRDMLSH])
+
 ;;----------------------------------------------------------------------------
 ;; Mode attributes
 ;;----------------------------------------------------------------------------
@@ -831,3 +833,6 @@
                                (simple_return " && use_simple_return_p ()")])
 (define_code_attr return_cond_true [(return " && USE_RETURN_INSN (TRUE)")
                                (simple_return " && use_simple_return_p ()")])
+
+;; Attributes for VQRDMLAH/VQRDMLSH
+(define_int_attr neon_rdma_as [(UNSPEC_VQRDMLAH "a") (UNSPEC_VQRDMLSH "s")])
diff --git a/gcc/config/arm/neon.md b/gcc/config/arm/neon.md
index 62fb6daae99..844ef5eb2f3 100644
--- a/gcc/config/arm/neon.md
+++ b/gcc/config/arm/neon.md
@@ -2014,6 +2014,18 @@
   [(set_attr "type" "neon_sat_mul_<V_elem_ch><q>")]
 )
 
+;; vqrdmlah, vqrdmlsh
+(define_insn "neon_vqrdml<VQRDMLH_AS:neon_rdma_as>h<mode>"
+  [(set (match_operand:VMDQI 0 "s_register_operand" "=w")
+	(unspec:VMDQI [(match_operand:VMDQI 1 "s_register_operand" "0")
+		       (match_operand:VMDQI 2 "s_register_operand" "w")
+		       (match_operand:VMDQI 3 "s_register_operand" "w")]
+		      VQRDMLH_AS))]
+  "TARGET_NEON_RDMA"
+  "vqrdml<VQRDMLH_AS:neon_rdma_as>h.<V_s_elem>\t%<V_reg>0, %<V_reg>2, %<V_reg>3"
+  [(set_attr "type" "neon_sat_mla_<V_elem_ch>_long")]
+)
+
 (define_insn "neon_vqdmlal<mode>"
   [(set (match_operand:<V_widen> 0 "s_register_operand" "=w")
         (unspec:<V_widen> [(match_operand:<V_widen> 1 "s_register_operand" "0")
@@ -3176,6 +3188,39 @@ if (BYTES_BIG_ENDIAN)
   [(set_attr "type" "neon_sat_mul_<V_elem_ch>_scalar_q")]
 )
 
+;; vqrdmlah_lane, vqrdmlsh_lane
+(define_insn "neon_vqrdml<VQRDMLH_AS:neon_rdma_as>h_lane<mode>"
+  [(set (match_operand:VMQI 0 "s_register_operand" "=w")
+	(unspec:VMQI [(match_operand:VMQI 1 "s_register_operand" "0")
+		      (match_operand:VMQI 2 "s_register_operand" "w")
+		      (match_operand:<V_HALF> 3 "s_register_operand"
+					  "<scalar_mul_constraint>")
+		      (match_operand:SI 4 "immediate_operand" "i")]
+		     VQRDMLH_AS))]
+  "TARGET_NEON_RDMA"
+{
+  return
+   "vqrdml<VQRDMLH_AS:neon_rdma_as>h.<V_s_elem>\t%q0, %q2, %P3[%c4]";
+}
+  [(set_attr "type" "neon_mla_<V_elem_ch>_scalar<q>")]
+)
+
+(define_insn "neon_vqrdml<VQRDMLH_AS:neon_rdma_as>h_lane<mode>"
+  [(set (match_operand:VMDI 0 "s_register_operand" "=w")
+	(unspec:VMDI [(match_operand:VMDI 1 "s_register_operand" "0")
+		      (match_operand:VMDI 2 "s_register_operand" "w")
+		      (match_operand:VMDI 3 "s_register_operand"
+					  "<scalar_mul_constraint>")
+		      (match_operand:SI 4 "immediate_operand" "i")]
+		     VQRDMLH_AS))]
+  "TARGET_NEON_RDMA"
+{
+  return
+   "vqrdml<VQRDMLH_AS:neon_rdma_as>h.<V_s_elem>\t%P0, %P2, %P3[%c4]";
+}
+  [(set_attr "type" "neon_mla_<V_elem_ch>_scalar")]
+)
+
 (define_insn "neon_vmla_lane<mode>"
   [(set (match_operand:VMD 0 "s_register_operand" "=w")
 	(unspec:VMD [(match_operand:VMD 1 "s_register_operand" "0")
diff --git a/gcc/config/arm/unspecs.md b/gcc/config/arm/unspecs.md
index 67acafd075f..ffe703c3ee8 100644
--- a/gcc/config/arm/unspecs.md
+++ b/gcc/config/arm/unspecs.md
@@ -360,5 +360,7 @@
   UNSPEC_NVRINTX
   UNSPEC_NVRINTA
   UNSPEC_NVRINTN
+  UNSPEC_VQRDMLAH
+  UNSPEC_VQRDMLSH
 ])
 
-- 
2.30.2