From 0ab03ea08c3886ad009afda41f3cd2df7733cfb1 Mon Sep 17 00:00:00 2001
From: Alexander Ivchenko <alexander.ivchenko@intel.com>
Date: Tue, 14 Oct 2014 08:52:11 +0000
Subject: [PATCH] AVX-512. 74/n. Add byte/word max/mix reduction.

gcc/
	* config/i386/i386.c
	(emit_reduc_half): Handle V64QI and V32HI mode.
	* config/i386/sse.md
	(define_mode_iterator VI_AVX512BW): New.
	(define_expand "reduc_<code>_<mode>"): Use VI512_48F_12BW.

Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>
Co-Authored-By: Anna Tikhonova <anna.tikhonova@intel.com>
Co-Authored-By: Ilya Tocar <ilya.tocar@intel.com>
Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com>
Co-Authored-By: Kirill Yukhin <kirill.yukhin@intel.com>
Co-Authored-By: Maxim Kuznetsov <maxim.kuznetsov@intel.com>
Co-Authored-By: Michael Zolotukhin <michael.v.zolotukhin@intel.com>

From-SVN: r216192
---
 gcc/ChangeLog          | 15 +++++++++++++++
 gcc/config/i386/i386.c |  2 ++
 gcc/config/i386/sse.md |  8 +++++---
 3 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fd59c2aca57..79dcc11a005 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,18 @@
+2014-10-14  Alexander Ivchenko  <alexander.ivchenko@intel.com>
+	    Maxim Kuznetsov  <maxim.kuznetsov@intel.com>
+	    Anna Tikhonova  <anna.tikhonova@intel.com>
+	    Ilya Tocar  <ilya.tocar@intel.com>
+	    Andrey Turetskiy  <andrey.turetskiy@intel.com>
+	    Ilya Verbin  <ilya.verbin@intel.com>
+	    Kirill Yukhin  <kirill.yukhin@intel.com>
+	    Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
+
+	* config/i386/i386.c
+	(emit_reduc_half): Handle V64QI and V32HI mode.
+	* config/i386/sse.md
+	(define_mode_iterator VI_AVX512BW): New.
+	(define_expand "reduc_<code>_<mode>"): Use VI512_48F_12BW.
+
 2014-10-14  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 	    Maxim Kuznetsov  <maxim.kuznetsov@intel.com>
 	    Anna Tikhonova  <anna.tikhonova@intel.com>
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index c4f2da1c04d..9deee91bc16 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -41210,6 +41210,8 @@ emit_reduc_half (rtx dest, rtx src, int i)
 				    GEN_INT (i / 2));
 	}
       break;
+    case V64QImode:
+    case V32HImode:
     case V16SImode:
     case V16SFmode:
     case V8DImode:
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 6169b39e9cf..fa2babf3f8e 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -514,6 +514,8 @@
 (define_mode_iterator VI48_256 [V8SI V4DI])
 (define_mode_iterator VI48_512 [V16SI V8DI])
 (define_mode_iterator VI4_256_8_512 [V8SI V8DI])
+(define_mode_iterator VI_AVX512BW
+  [V16SI V8DI (V32HI "TARGET_AVX512BW") (V64QI "TARGET_AVX512BW")])
 
 ;; Int-float size matches
 (define_mode_iterator VI4F_128 [V4SI V4SF])
@@ -2337,9 +2339,9 @@
 })
 
 (define_expand "reduc_<code>_<mode>"
-  [(umaxmin:VI48_512
-     (match_operand:VI48_512 0 "register_operand")
-     (match_operand:VI48_512 1 "register_operand"))]
+  [(umaxmin:VI_AVX512BW
+     (match_operand:VI_AVX512BW 0 "register_operand")
+     (match_operand:VI_AVX512BW 1 "register_operand"))]
   "TARGET_AVX512F"
 {
   ix86_expand_reduc (gen_<code><mode>3, operands[0], operands[1]);
-- 
2.30.2