[gcc r14-505] arm: [MVE intrinsics] factorize vqrshlq vrshlq

[gcc r14-505] arm: [MVE intrinsics] factorize vqrshlq vrshlq

[Christophe Lyon]

https://gcc.gnu.org/g:c4d4e62b3f85738c960d5622889817c218edb788

commit r14-505-gc4d4e62b3f85738c960d5622889817c218edb788
Author: Christophe Lyon <christophe.lyon@arm.com>
Date:   Wed Feb 8 15:08:10 2023 +0000

    arm: [MVE intrinsics] factorize vqrshlq vrshlq
    
    Factorize vqrshlq, vrshlq so that they use the same pattern.
    
    2022-09-08  Christophe Lyon <christophe.lyon@arm.com>
    
            gcc/
            * config/arm/iterators.md (MVE_RSHIFT_M_N, MVE_RSHIFT_N): New.
            (mve_insn): Add vqrshl, vrshl.
            * config/arm/mve.md (mve_vqrshlq_n_<supf><mode>)
            (mve_vrshlq_n_<supf><mode>): Merge into ...
            (@mve_<mve_insn>q_n_<supf><mode>): ... this.
            (mve_vqrshlq_m_n_<supf><mode>, mve_vrshlq_m_n_<supf><mode>): Merge
            into ...
            (@mve_<mve_insn>q_m_n_<supf><mode>): ... this.

Diff:
---
 gcc/config/arm/iterators.md | 14 +++++++++++++
 gcc/config/arm/mve.md       | 49 +++++++++------------------------------------
 2 files changed, 24 insertions(+), 39 deletions(-)

diff --git a/gcc/config/arm/iterators.md b/gcc/config/arm/iterators.md
index 593be83e0be..e7622fe752a 100644
--- a/gcc/config/arm/iterators.md
+++ b/gcc/config/arm/iterators.md
@@ -435,6 +435,16 @@
 		     VORRQ_N_S VORRQ_N_U
 		     ])
 
+(define_int_iterator MVE_RSHIFT_M_N   [
+		     VQRSHLQ_M_N_S VQRSHLQ_M_N_U
+		     VRSHLQ_M_N_S VRSHLQ_M_N_U
+		     ])
+
+(define_int_iterator MVE_RSHIFT_N   [
+		     VQRSHLQ_N_S VQRSHLQ_N_U
+		     VRSHLQ_N_S VRSHLQ_N_U
+		     ])
+
 (define_int_iterator MVE_FP_M_BINARY   [
 		     VADDQ_M_F
 		     VMULQ_M_F
@@ -526,7 +536,9 @@
 		 (VQRDMULHQ_M_S "vqrdmulh")
 		 (VQRDMULHQ_N_S "vqrdmulh")
 		 (VQRDMULHQ_S "vqrdmulh")
+		 (VQRSHLQ_M_N_S "vqrshl") (VQRSHLQ_M_N_U "vqrshl")
 		 (VQRSHLQ_M_S "vqrshl") (VQRSHLQ_M_U "vqrshl")
+		 (VQRSHLQ_N_S "vqrshl") (VQRSHLQ_N_U "vqrshl")
 		 (VQRSHLQ_S "vqrshl") (VQRSHLQ_U "vqrshl")
 		 (VQSHLQ_M_S "vqshl") (VQSHLQ_M_U "vqshl")
 		 (VQSHLQ_S "vqshl") (VQSHLQ_U "vqshl")
@@ -538,7 +550,9 @@
 		 (VRHADDQ_S "vrhadd") (VRHADDQ_U "vrhadd")
 		 (VRMULHQ_M_S "vrmulh") (VRMULHQ_M_U "vrmulh")
 		 (VRMULHQ_S "vrmulh") (VRMULHQ_U "vrmulh")
+		 (VRSHLQ_M_N_S "vrshl") (VRSHLQ_M_N_U "vrshl")
 		 (VRSHLQ_M_S "vrshl") (VRSHLQ_M_U "vrshl")
+		 (VRSHLQ_N_S "vrshl") (VRSHLQ_N_U "vrshl")
 		 (VRSHLQ_S "vrshl") (VRSHLQ_U "vrshl")
 		 (VSHLQ_M_S "vshl") (VSHLQ_M_U "vshl")
 		 (VSUBQ_M_N_S "vsub") (VSUBQ_M_N_U "vsub") (VSUBQ_M_N_F "vsub")
diff --git a/gcc/config/arm/mve.md b/gcc/config/arm/mve.md
index 6b88fdb8a7a..0d3343b6e29 100644
--- a/gcc/config/arm/mve.md
+++ b/gcc/config/arm/mve.md
@@ -1373,17 +1373,18 @@
 )
 
 ;;
-;; [vqrshlq_n_s, vqrshlq_n_u])
+;; [vqrshlq_n_s, vqrshlq_n_u]
+;; [vrshlq_n_u, vrshlq_n_s]
 ;;
-(define_insn "mve_vqrshlq_n_<supf><mode>"
+(define_insn "@mve_<mve_insn>q_n_<supf><mode>"
   [
    (set (match_operand:MVE_2 0 "s_register_operand" "=w")
 	(unspec:MVE_2 [(match_operand:MVE_2 1 "s_register_operand" "0")
 		       (match_operand:SI 2 "s_register_operand" "r")]
-	 VQRSHLQ_N))
+	 MVE_RSHIFT_N))
   ]
   "TARGET_HAVE_MVE"
-  "vqrshl.<supf>%#<V_sz_elem>\t%q0, %2"
+  "<mve_insn>.<supf>%#<V_sz_elem>\t%q0, %2"
   [(set_attr "type" "mve_move")
 ])
 
@@ -1432,21 +1433,6 @@
   [(set_attr "type" "mve_move")
 ])
 
-;;
-;; [vrshlq_n_u, vrshlq_n_s])
-;;
-(define_insn "mve_vrshlq_n_<supf><mode>"
-  [
-   (set (match_operand:MVE_2 0 "s_register_operand" "=w")
-	(unspec:MVE_2 [(match_operand:MVE_2 1 "s_register_operand" "0")
-		       (match_operand:SI 2 "s_register_operand" "r")]
-	 VRSHLQ_N))
-  ]
-  "TARGET_HAVE_MVE"
-  "vrshl.<supf>%#<V_sz_elem>\t%q0, %2"
-  [(set_attr "type" "mve_move")
-])
-
 ;;
 ;; [vrshrq_n_s, vrshrq_n_u])
 ;;
@@ -3098,18 +3084,19 @@
 ])
 
 ;;
-;; [vqrshlq_m_n_s, vqrshlq_m_n_u])
+;; [vqrshlq_m_n_s, vqrshlq_m_n_u]
+;; [vrshlq_m_n_s, vrshlq_m_n_u]
 ;;
-(define_insn "mve_vqrshlq_m_n_<supf><mode>"
+(define_insn "@mve_<mve_insn>q_m_n_<supf><mode>"
   [
    (set (match_operand:MVE_2 0 "s_register_operand" "=w")
 	(unspec:MVE_2 [(match_operand:MVE_2 1 "s_register_operand" "0")
 		       (match_operand:SI 2 "s_register_operand" "r")
 		       (match_operand:<MVE_VPRED> 3 "vpr_register_operand" "Up")]
-	 VQRSHLQ_M_N))
+	 MVE_RSHIFT_M_N))
   ]
   "TARGET_HAVE_MVE"
-  "vpst\;vqrshlt.<supf>%#<V_sz_elem>	%q0, %2"
+  "vpst\;<mve_insn>t.<supf>%#<V_sz_elem>\t%q0, %2"
   [(set_attr "type" "mve_move")
    (set_attr "length""8")])
 
@@ -3145,22 +3132,6 @@
   [(set_attr "type" "mve_move")
    (set_attr "length""8")])
 
-;;
-;; [vrshlq_m_n_s, vrshlq_m_n_u])
-;;
-(define_insn "mve_vrshlq_m_n_<supf><mode>"
-  [
-   (set (match_operand:MVE_2 0 "s_register_operand" "=w")
-	(unspec:MVE_2 [(match_operand:MVE_2 1 "s_register_operand" "0")
-		       (match_operand:SI 2 "s_register_operand" "r")
-		       (match_operand:<MVE_VPRED> 3 "vpr_register_operand" "Up")]
-	 VRSHLQ_M_N))
-  ]
-  "TARGET_HAVE_MVE"
-  "vpst\;vrshlt.<supf>%#<V_sz_elem>\t%q0, %2"
-  [(set_attr "type" "mve_move")
-   (set_attr "length""8")])
-
 ;;
 ;; [vshlq_m_r_u, vshlq_m_r_s])
 ;;