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 27e527dc97a7f42a1ba87c38e1d53e2d4acff27b..2ec3abeb60157f67f601cc191f3536c233203582 100644 (file)
--- 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 f3f68c6b45ddd37125e46b568c33b8c8d049acb9..3dcb1cd6ce46b885cadd56a97146dcc767b49b7a 100644 (file)
--- 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
        #"