[gcc r14-516] arm: [MVE intrinsics] factorize vmaxq vminq

[Christophe Lyon]

https://gcc.gnu.org/g:bcf66a4dcbff3f0a9cff2bd4d2efb4e9789d71c7

commit r14-516-gbcf66a4dcbff3f0a9cff2bd4d2efb4e9789d71c7
Author: Christophe Lyon <christophe.lyon@arm.com>
Date:   Mon Oct 24 14:01:51 2022 +0000

    arm: [MVE intrinsics] factorize vmaxq vminq
    
    Factorize vmaxq and vminq so that they use the same pattern.
    
    2022-09-08  Christophe Lyon <christophe.lyon@arm.com>
    
            gcc/
            * config/arm/iterators.md (MAX_MIN_SU): New.
            (max_min_su_str): New.
            (max_min_supf): New.
            * config/arm/mve.md (mve_vmaxq_s<mode>, mve_vmaxq_u<mode>)
            (mve_vminq_s<mode>, mve_vminq_u<mode>): Merge into ...
            (mve_<max_min_su_str>q_<max_min_supf><mode>): ... this.

Diff:
---
 gcc/config/arm/iterators.md | 11 +++++++++++
 gcc/config/arm/mve.md       | 44 +++++---------------------------------------
 2 files changed, 16 insertions(+), 39 deletions(-)

diff --git a/gcc/config/arm/iterators.md b/gcc/config/arm/iterators.md
index 3133642ea82..9ff61e0573b 100644
--- a/gcc/config/arm/iterators.md
+++ b/gcc/config/arm/iterators.md
@@ -330,6 +330,9 @@
 ;; Saturating addition, subtraction
 (define_code_iterator SSPLUSMINUS [ss_plus ss_minus])
 
+;; Max/Min iterator, to factorize MVE patterns
+(define_code_iterator MAX_MIN_SU [smax umax smin umin])
+
 ;; MVE integer binary operations.
 (define_code_iterator MVE_INT_BINARY_RTX [plus minus mult])
 
@@ -1271,6 +1274,14 @@
 
 (define_code_attr float_SUP [(unsigned_float "U") (float "S")])
 
+;; max/min for MVE
+(define_code_attr max_min_su_str [(smax "vmax") (umax "vmax") (smin "vmin") (umin "vmin")])
+
+(define_code_attr max_min_supf [
+		 (smax "s") (umax "u")
+		 (smin "s") (umin "u")
+		 ])
+
 ;;----------------------------------------------------------------------------
 ;; Int attributes
 ;;----------------------------------------------------------------------------
diff --git a/gcc/config/arm/mve.md b/gcc/config/arm/mve.md
index c8cb4e430ac..44409b40e5f 100644
--- a/gcc/config/arm/mve.md
+++ b/gcc/config/arm/mve.md
@@ -1106,29 +1106,20 @@
 ])
 
 ;;
-;; [vmaxq_u, vmaxq_s])
+;; [vmaxq_u, vmaxq_s]
+;; [vminq_s, vminq_u]
 ;;
-(define_insn "mve_vmaxq_s<mode>"
+(define_insn "mve_<max_min_su_str>q_<max_min_supf><mode>"
   [
    (set (match_operand:MVE_2 0 "s_register_operand" "=w")
-	(smax:MVE_2 (match_operand:MVE_2 1 "s_register_operand" "w")
+	(MAX_MIN_SU:MVE_2 (match_operand:MVE_2 1 "s_register_operand" "w")
 		    (match_operand:MVE_2 2 "s_register_operand" "w")))
   ]
   "TARGET_HAVE_MVE"
-  "vmax.%#<V_s_elem>\t%q0, %q1, %q2"
+  "<max_min_su_str>.<max_min_supf>%#<V_sz_elem>\t%q0, %q1, %q2"
   [(set_attr "type" "mve_move")
 ])
 
-(define_insn "mve_vmaxq_u<mode>"
-  [
-   (set (match_operand:MVE_2 0 "s_register_operand" "=w")
-	(umax:MVE_2 (match_operand:MVE_2 1 "s_register_operand" "w")
-		    (match_operand:MVE_2 2 "s_register_operand" "w")))
-  ]
-  "TARGET_HAVE_MVE"
-  "vmax.%#<V_u_elem>\t%q0, %q1, %q2"
-  [(set_attr "type" "mve_move")
-])
 
 ;;
 ;; [vmaxvq_u, vmaxvq_s])
@@ -1175,31 +1166,6 @@
   [(set_attr "type" "mve_move")
 ])
 
-;;
-;; [vminq_s, vminq_u])
-;;
-(define_insn "mve_vminq_s<mode>"
-  [
-   (set (match_operand:MVE_2 0 "s_register_operand" "=w")
-	(smin:MVE_2 (match_operand:MVE_2 1 "s_register_operand" "w")
-		    (match_operand:MVE_2 2 "s_register_operand" "w")))
-  ]
-  "TARGET_HAVE_MVE"
-  "vmin.%#<V_s_elem>\t%q0, %q1, %q2"
-  [(set_attr "type" "mve_move")
-])
-
-(define_insn "mve_vminq_u<mode>"
-  [
-   (set (match_operand:MVE_2 0 "s_register_operand" "=w")
-	(umin:MVE_2 (match_operand:MVE_2 1 "s_register_operand" "w")
-		    (match_operand:MVE_2 2 "s_register_operand" "w")))
-  ]
-  "TARGET_HAVE_MVE"
-  "vmin.%#<V_u_elem>\t%q0, %q1, %q2"
-  [(set_attr "type" "mve_move")
-])
-
 ;;
 ;; [vminvq_u, vminvq_s])
 ;;