From: Oleg Endo <olegendo@gcc.gnu.org>
Date: Wed, 23 Sep 2015 11:55:45 +0000 (+0000)
Subject: re PR target/67391 ([SH] Convert clrt addc to normal add insn)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9ea4e88f177aec6d897055efc954b4de05766017;p=gcc.git

re PR target/67391 ([SH] Convert clrt addc to normal add insn)

gcc/
	PR target/67391
	* config/sh/sh.md (addsi3, *addsi3_compact): Don't check for overlapping
	regs when matching the pattern.

From-SVN: r228046
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 27e527dc97a..2ec3abeb601 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-09-23  Oleg Endo  <olegendo@gcc.gnu.org>
+
+	PR target/67391
+	* config/sh/sh.md (addsi3, *addsi3_compact): Don't check for overlapping
+	regs when matching the pattern.
+
 2015-09-23  James Greenhalgh  <james.greenhalgh@arm.com>
 
 	* config/aarch64/aarch64-simd.md
diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md
index f3f68c6b45d..3dcb1cd6ce4 100644
--- a/gcc/config/sh/sh.md
+++ b/gcc/config/sh/sh.md
@@ -2129,11 +2129,6 @@
 {
   if (TARGET_SHMEDIA)
     operands[1] = force_reg (SImode, operands[1]);
-  else if (! arith_operand (operands[2], SImode))
-    {
-      if (reg_overlap_mentioned_p (operands[0], operands[1]))
-	FAIL;
-    }
 })
 
 (define_insn "addsi3_media"
@@ -2172,10 +2167,7 @@
   [(set (match_operand:SI 0 "arith_reg_dest" "=r,&u")
 	(plus:SI (match_operand:SI 1 "arith_operand" "%0,r")
 		 (match_operand:SI 2 "arith_or_int_operand" "rI08,rn")))]
-  "TARGET_SH1
-   && ((rtx_equal_p (operands[0], operands[1])
-        && arith_operand (operands[2], SImode))
-       || ! reg_overlap_mentioned_p (operands[0], operands[1]))"
+  "TARGET_SH1"
   "@
 	add	%2,%0
 	#"