From: Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Date: Mon, 19 Jan 2015 14:03:23 +0000 (+0000)
Subject: [AArch64] PR 64448: Combine ((x ^ y) & m) ^ x into bsl/bif instruction
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=36650ec61912ff796651fa00964cb0f991c549a1;p=gcc.git

[AArch64] PR 64448: Combine ((x ^ y) & m) ^ x into bsl/bif instruction

	PR target/64448
	* config/aarch64/aarch64-simd.md (aarch64_simd_bsl<mode>_internal):
	Match xor-and-xor RTL pattern.

From-SVN: r219843
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 39758e785f3..605b87e9070 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	PR target/64448
+	* config/aarch64/aarch64-simd.md (aarch64_simd_bsl<mode>_internal):
+	Match xor-and-xor RTL pattern.
+
 2015-01-19  Igor Zamyatin  <igor.zamyatin@intel.com>
 
 	PR rtl-optimization/64081
diff --git a/gcc/config/aarch64/aarch64-simd.md b/gcc/config/aarch64/aarch64-simd.md
index 968f5b2b1cb..d239884e70c 100644
--- a/gcc/config/aarch64/aarch64-simd.md
+++ b/gcc/config/aarch64/aarch64-simd.md
@@ -2008,15 +2008,14 @@
 ;;     bif op0, op1, mask
 
 (define_insn "aarch64_simd_bsl<mode>_internal"
-  [(set (match_operand:VSDQ_I_DI 0 "register_operand"		"=w,w,w")
-	(ior:VSDQ_I_DI
+  [(set (match_operand:VSDQ_I_DI 0 "register_operand" "=w,w,w")
+	(xor:VSDQ_I_DI
 	   (and:VSDQ_I_DI
-	     (not:<V_cmp_result>
-	       (match_operand:<V_cmp_result> 1 "register_operand"	" 0,w,w"))
-	     (match_operand:VSDQ_I_DI 3 "register_operand"	" w,0,w"))
-	   (and:VSDQ_I_DI
-	     (match_dup:<V_cmp_result> 1)
-	     (match_operand:VSDQ_I_DI 2 "register_operand"	" w,w,0"))
+	     (xor:VSDQ_I_DI
+	       (match_operand:<V_cmp_result> 3 "register_operand" "w,0,w")
+	       (match_operand:VSDQ_I_DI 2 "register_operand" "w,w,0"))
+	     (match_operand:VSDQ_I_DI 1 "register_operand" "0,w,w"))
+	  (match_dup:<V_cmp_result> 3)
 	))]
   "TARGET_SIMD"
   "@