From: Uros Bizjak <ubizjak@gmail.com>
Date: Thu, 6 Apr 2017 19:22:02 +0000 (+0200)
Subject: re PR target/80286 (AVX2 _mm_cvtsi128_si32 doesn't return a proper 32bits int)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=926e747845a2cb5782942735d28abf479c2d825c;p=gcc.git

re PR target/80286 (AVX2 _mm_cvtsi128_si32 doesn't return a proper 32bits int)

	PR target/80286
	* config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
	* config/i386/i386.md (*zero_extendsidi2):
	Add (?*x,*x) and (?*v,*v) alternatives.

From-SVN: r246741
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 31b7a8d4c0a..b4bfd2e853a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/80286
+	* config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
+	* config/i386/i386.md (*zero_extendsidi2):
+	Add (?*x,*x) and (?*v,*v) alternatives.
+
 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/79733
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 6ed23907032..d1c3c163fd0 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -3767,10 +3767,10 @@
 
 (define_insn "*zero_extendsidi2"
   [(set (match_operand:DI 0 "nonimmediate_operand"
-			"=r,?r,?o,r   ,o,?*Ym,?!*y,?r ,?r,?*Yi,?*x,*r")
+		"=r,?r,?o,r   ,o,?*Ym,?!*y,?r ,?r,?*Yi,?*x,?*x,?*v,*r")
 	(zero_extend:DI
 	 (match_operand:SI 1 "x86_64_zext_operand"
-	        	"0 ,rm,r ,rmWz,0,r   ,m   ,*Yj,*x,r   ,m  ,*k")))]
+	        "0 ,rm,r ,rmWz,0,r   ,m   ,*Yj,*x,r   ,m  , *x, *v,*k")))]
   ""
 {
   switch (get_attr_type (insn))
@@ -3791,6 +3791,15 @@
       return "%vpextrd\t{$0, %1, %k0|%k0, %1, 0}";
 
     case TYPE_SSEMOV:
+      if (SSE_REG_P (operands[0]) && SSE_REG_P (operands[1]))
+	{
+	  if (EXT_REX_SSE_REG_P (operands[0])
+	      || EXT_REX_SSE_REG_P (operands[1]))
+	    return "vpmovzxdq\t{%t1, %g0|%g0, %t1}";
+	  else
+	    return "%vpmovzxdq\t{%1, %0|%0, %1}";
+	}
+
       if (GENERAL_REG_P (operands[0]))
 	return "%vmovd\t{%1, %k0|%k0, %1}";
 
@@ -3813,6 +3822,10 @@
 	    (eq_attr "alternative" "10")
 	      (const_string "sse2")
 	    (eq_attr "alternative" "11")
+	      (const_string "sse4")
+	    (eq_attr "alternative" "12")
+	      (const_string "avx512f")
+	    (eq_attr "alternative" "13")
 	      (const_string "x64_avx512bw")
 	   ]
 	   (const_string "*")))
@@ -3821,16 +3834,16 @@
 	      (const_string "multi")
 	    (eq_attr "alternative" "5,6")
 	      (const_string "mmxmov")
-	    (eq_attr "alternative" "7,9,10")
+	    (eq_attr "alternative" "7,9,10,11,12")
 	      (const_string "ssemov")
 	    (eq_attr "alternative" "8")
 	      (const_string "sselog1")
-	    (eq_attr "alternative" "11")
+	    (eq_attr "alternative" "13")
 	      (const_string "mskmov")
 	   ]
 	   (const_string "imovx")))
    (set (attr "prefix_extra")
-     (if_then_else (eq_attr "alternative" "8")
+     (if_then_else (eq_attr "alternative" "8,11,12")
        (const_string "1")
        (const_string "*")))
    (set (attr "length_immediate")
@@ -3848,7 +3861,7 @@
    (set (attr "mode")
      (cond [(eq_attr "alternative" "5,6")
 	      (const_string "DI")
-	    (eq_attr "alternative" "7,8,9")
+	    (eq_attr "alternative" "7,8,9,11,12")
 	      (const_string "TI")
 	   ]
 	   (const_string "SI")))])
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 15ced880504..094404bc913 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -13516,18 +13516,6 @@
   "#"
   [(set_attr "isa" "*,sse4,*,*")])
 
-(define_insn_and_split "*vec_extractv4si_0_zext"
-  [(set (match_operand:DI 0 "register_operand" "=r")
-	(zero_extend:DI
-	  (vec_select:SI
-	    (match_operand:V4SI 1 "register_operand" "v")
-	    (parallel [(const_int 0)]))))]
-  "TARGET_64BIT && TARGET_SSE2 && TARGET_INTER_UNIT_MOVES_FROM_VEC"
-  "#"
-  "&& reload_completed"
-  [(set (match_dup 0) (zero_extend:DI (match_dup 1)))]
-  "operands[1] = gen_lowpart (SImode, operands[1]);")
-
 (define_insn "*vec_extractv2di_0_sse"
   [(set (match_operand:DI 0 "nonimmediate_operand"     "=v,m")
 	(vec_select:DI
@@ -13546,6 +13534,35 @@
   [(set (match_dup 0) (match_dup 1))]
   "operands[1] = gen_lowpart (<MODE>mode, operands[1]);")
 
+(define_insn "*vec_extractv4si_0_zext_sse4"
+  [(set (match_operand:DI 0 "register_operand" "=r,x,v")
+	(zero_extend:DI
+	  (vec_select:SI
+	    (match_operand:V4SI 1 "register_operand" "Yj,x,v")
+	    (parallel [(const_int 0)]))))]
+  "TARGET_SSE4_1"
+  "#"
+  [(set_attr "isa" "x64,*,avx512f")])
+
+(define_insn "*vec_extractv4si_0_zext"
+  [(set (match_operand:DI 0 "register_operand" "=r")
+	(zero_extend:DI
+	  (vec_select:SI
+	    (match_operand:V4SI 1 "register_operand" "x")
+	    (parallel [(const_int 0)]))))]
+  "TARGET_64BIT && TARGET_SSE2 && TARGET_INTER_UNIT_MOVES_FROM_VEC"
+  "#")
+
+(define_split
+  [(set (match_operand:DI 0 "register_operand")
+	(zero_extend:DI
+	  (vec_select:SI
+	    (match_operand:V4SI 1 "register_operand")
+	    (parallel [(const_int 0)]))))]
+  "TARGET_SSE2 && reload_completed"
+  [(set (match_dup 0) (zero_extend:DI (match_dup 1)))]
+  "operands[1] = gen_lowpart (SImode, operands[1]);")
+
 (define_insn "*vec_extractv4si"
   [(set (match_operand:SI 0 "nonimmediate_operand" "=rm,rm,Yr,*x,x,Yv")
 	(vec_select:SI