From: Michael Meissner <meissner@gcc.gnu.org>
Date: Mon, 15 Jan 1996 21:53:30 +0000 (+0000)
Subject: Fix little endian adddi3/subdi3
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0f6453027705a3eeafe0a6b521624a75d7a7f58b;p=gcc.git

Fix little endian adddi3/subdi3

From-SVN: r10997
---

diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index b2dec1a338e..8920c8ad232 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -3623,11 +3623,17 @@
 	(plus:DI (match_operand:DI 1 "gpc_reg_operand" "%r,r,0,0")
 		 (match_operand:DI 2 "reg_or_short_operand" "r,I,r,I")))]
   "! TARGET_POWERPC64"
-  "@
-   {a|addc} %L0,%L1,%L2\;{ae|adde} %0,%1,%2
-   {ai|addic} %L0,%L1,%2\;{a%G2e|add%G2e} %0,%1
-   {a|addc} %L0,%L1,%L2\;{ae|adde} %0,%1,%2
-   {ai|addic} %L0,%L1,%2\;{a%G2e|add%G2e} %0,%1"
+  "*
+{
+  if (WORDS_BIG_ENDIAN)
+    return (GET_CODE (operands[2])) != CONST_INT
+	    ? \"{a|addc} %L0,%L1,%L2\;{ae|adde} %0,%1,%2\"
+	    : \"{ai|addic} %L0,%L1,%2\;{a%G2e|add%G2e} %0,%1\";
+  else
+    return (GET_CODE (operands[2])) != CONST_INT
+	    ? \"{a|addc} %0,%1,%2\;{ae|adde} %L0,%L1,%L2\"
+	    : \"{ai|addic} %0,%1,%2\;{a%G2e|add%G2e} %L0,%L1\";
+}"
   [(set_attr "length" "8")])
 
 (define_insn "subddi3"
@@ -3635,24 +3641,16 @@
 	(minus:DI (match_operand:DI 1 "reg_or_short_operand" "r,I,0,r,I")
 		  (match_operand:DI 2 "gpc_reg_operand" "r,r,r,0,0")))]
   "TARGET_POWER && ! TARGET_POWERPC64"
-  "@
-   {sf|subfc} %L0,%L2,%L1\;{sfe|subfe} %0,%2,%1
-   {sfi|subfic} %L0,%L2,%1\;{sf%G1e|subf%G1e} %0,%2
-   {sf|subfc} %L0,%L2,%L1\;{sfe|subfe} %0,%2,%1
-   {sf|subfc} %L0,%L2,%L1\;{sfe|subfe} %0,%2,%1
-   {sfi|subfic} %L0,%L2,%1\;{sf%G1e|subf%G1e} %0,%2"
-  [(set_attr "length" "8")])
-
-(define_insn ""
-  [(set (match_operand:DI 0 "gpc_reg_operand" "=&r,r,r")
-	(minus:DI (match_operand:DI 1 "gpc_reg_operand" "r,0,r")
-		  (match_operand:DI 2 "gpc_reg_operand" "r,r,0")))]
-  "! TARGET_POWER && ! TARGET_POWERPC64"
   "*
 {
-  return (WORDS_BIG_ENDIAN)
-    ? \"{sf|subfc} %L0,%L2,%L1\;{sfe|subfe} %0,%2,%1\"
-    : \"{sf|subfc} %0,%2,%1\;{sfe|subfe} %L0,%L2,%L1\";
+  if (WORDS_BIG_ENDIAN)
+    return (GET_CODE (operands[1]) != CONST_INT)
+	    ? \"{sf|subfc} %L0,%L2,%L1\;{sfe|subfe} %0,%2,%1\"
+	    : \"{sfi|subfic} %L0,%L2,%1\;{sf%G1e|subf%G1e} %0,%2\";
+  else
+    return (GET_CODE (operands[1]) != CONST_INT)
+	    ? \"{sf|subfc} %0,%2,%1\;{sfe|subfe} %L0,%L2,%L1\"
+	    : \"{sfi|subfic} %0,%2,%1\;{sf%G1e|subf%G1e} %L0,%L2\";
 }"
   [(set_attr "length" "8")])