From: Kaz Kojima <kkojima@gcc.gnu.org>
Date: Wed, 27 Aug 2014 23:25:14 +0000 (+0000)
Subject: re PR target/62261 ([sh64] ICE for negative shift counts)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1284f55903313c3bcfac33699c18cf6e2cea2ce9;p=gcc.git

re PR target/62261 ([sh64] ICE for negative shift counts)

        PR target/62261
        * config/sh/sh.md (ashlsi3): Handle negative shift count for
	TARGET_SHMEDIA.
	(ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.

From-SVN: r214612
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2666b243f8c..9cb7fe3170d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2014-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+        PR target/62261
+        * config/sh/sh.md (ashlsi3): Handle negative shift count for
+	TARGET_SHMEDIA.
+	(ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
+
 2014-08-27  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	* emit-rtl.c (set_unique_reg_note): Discard notes with side effects.
diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md
index b5d05f4c7de..5f634591fea 100644
--- a/gcc/config/sh/sh.md
+++ b/gcc/config/sh/sh.md
@@ -4579,6 +4579,12 @@ label:
 {
   if (TARGET_SHMEDIA)
     {
+       if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) < 0)
+	{
+	  operands[2] = GEN_INT (-INTVAL (operands[2]));
+	  emit_insn (gen_ashrsi3_media (operands[0], operands[1], operands[2]));
+	  DONE;
+	}
       emit_insn (gen_ashlsi3_media (operands[0], operands[1], operands[2]));
       DONE;
     }
@@ -4819,6 +4825,12 @@ label:
 {
   if (TARGET_SHMEDIA)
     {
+       if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) < 0)
+	{
+	  operands[2] = GEN_INT (-INTVAL (operands[2]));
+	  emit_insn (gen_ashrdi3_media (operands[0], operands[1], operands[2]));
+	  DONE;
+	}
       emit_insn (gen_ashldi3_media (operands[0], operands[1], operands[2]));
       DONE;
     }
@@ -4912,6 +4924,12 @@ label:
 {
   if (TARGET_SHMEDIA)
     {
+      if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) < 0)
+	{
+	  operands[2] = GEN_INT (-INTVAL (operands[2]));
+	  emit_insn (gen_ashlsi3_media (operands[0], operands[1], operands[2]));
+	  DONE;
+	}
       emit_insn (gen_ashrsi3_media (operands[0], operands[1], operands[2]));
       DONE;
     }
@@ -5011,6 +5029,12 @@ label:
 {
   if (TARGET_SHMEDIA)
     {
+      if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) < 0)
+	{
+	  operands[2] = GEN_INT (-INTVAL (operands[2]));
+	  emit_insn (gen_ashldi3_media (operands[0], operands[1], operands[2]));
+	  DONE;
+	}
       emit_insn (gen_ashrdi3_media (operands[0], operands[1], operands[2]));
       DONE;
     }
@@ -5085,6 +5109,12 @@ label:
 {
   if (TARGET_SHMEDIA)
     {
+      if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) < 0)
+	{
+	  operands[2] = GEN_INT (-INTVAL (operands[2]));
+	  emit_insn (gen_ashlsi3_media (operands[0], operands[1], operands[2]));
+	  DONE;
+	}
       emit_insn (gen_lshrsi3_media (operands[0], operands[1], operands[2]));
       DONE;
     }
@@ -5279,6 +5309,12 @@ label:
 {
   if (TARGET_SHMEDIA)
     {
+      if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) < 0)
+	{
+	  operands[2] = GEN_INT (-INTVAL (operands[2]));
+	  emit_insn (gen_ashldi3_media (operands[0], operands[1], operands[2]));
+	  DONE;
+	}
       emit_insn (gen_lshrdi3_media (operands[0], operands[1], operands[2]));
       DONE;
     }