(cmphi): Fixed when next CC user is unsigned.

(mov[hq]i-[23]): New patterns for mem-indirect moves.
(movhf,movtqf): Corrected.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@13963 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/config/1750a/1750a.md b/gcc/config/1750a/1750a.md
index 09b4211..72fa0b3 100644 (file)
--- a/gcc/config/1750a/1750a.md
+++ b/gcc/config/1750a/1750a.md
@@ -195,9 +195,21 @@
         (compare (match_operand:HI 0 "general_operand" "r,r")
                  (match_operand:HI 1 "general_operand" "r,m")))]
   ""
-  "@
-    dcr r%0,r%1
-    dc  r%0,%1 ")
+  "*
+   {
+     if (next_cc_user_is_unsigned (insn))
+       {
+         if (which_alternative == 0)
+          return \"ducr.m %0,%1\";
+        return \"duc.m %0,%1\";
+       }
+     else
+       {
+         if (which_alternative == 0)
+           return \"dcr r%0,r%1\";
+         return \"dc  r%0,%1\";
+       }
+   } ")
 
 (define_insn "cmphf"
  [(set (cc0)
@@ -317,6 +329,23 @@
 
 ;; 16-bit moves
 
+; memory indirect to reg
+(define_insn ""
+  [(set (match_operand:QI 0 "register_operand" "=r")
+        (mem:QI (match_operand 1 "memory_operand"  "m")))]
+  ""
+  "li   r%0,%1")
+
+; reg/const to memory indirect
+(define_insn ""
+  [(set (mem:QI (match_operand 0 "memory_operand" "=m,m"))
+        (match_operand:QI 1 "nonmemory_operand"  "r,K"))]
+  ""
+  "@
+     sti  r%1,%0
+     stci %1,%0")
+
+; general case
 (define_insn "movqi"
   [(set (match_operand:QI 0 "general_operand" "=r,r,r,r,r,r,m,m")
         (match_operand:QI 1 "general_operand"  "O,I,J,i,r,m,r,K"))]
@@ -333,6 +362,21 @@
 
 ;; 32-bit moves
 
+; memory indirect to reg
+(define_insn ""
+  [(set (match_operand:HI 0 "register_operand" "=r")
+        (mem:HI (match_operand 1 "memory_operand"  "m")))]
+  ""
+  "dli  r%0,%1")
+
+; reg to memory indirect
+(define_insn ""
+  [(set (mem:HI (match_operand 0 "memory_operand" "=m"))
+        (match_operand:HI 1 "register_operand"  "r"))]
+  ""
+  "dsti r%1,%0")
+
+; general case
 (define_insn ""
   [(set (match_operand:HI 0 "general_operand" "=r,r,r,r,r,m,m")
         (match_operand:HI 1 "general_operand"  "O,I,J,r,m,r,K"))]
@@ -368,7 +412,7 @@
 
 ;; Single-Float moves
 
-(define_insn "movhf"
+(define_insn ""
   [(set (match_operand:HF 0 "general_operand" "=r,r,m,m")
         (match_operand:HF 1 "general_operand"  "r,m,r,G"))]
   ""
@@ -378,10 +422,27 @@
     dst  r%1,%0
     stc  0,%0   \;stc 0,%A0 ")
 
+(define_expand "movhf"
+  [(set (match_operand:HF 0 "general_operand" "")
+        (match_operand:HF 1 "general_operand" ""))]
+  ""
+  "
+   {
+     enum rtx_code op1code = GET_CODE (operands[1]);
+     if (GET_CODE (operands[0]) == MEM)
+       {
+         if (op1code == MEM || (op1code == CONST_DOUBLE
+             && !rtx_equal_p (operands[1], CONST0_RTX (HFmode))))
+          operands[1] = force_reg (HFmode, operands[1]);
+       }
+     else if (op1code == CONST_DOUBLE)
+       operands[1] = force_const_mem (HFmode, operands[1]);
+   }")
+
 
 ;; Longfloat moves
 
-(define_insn "movtqf"
+(define_insn ""
   [(set (match_operand:TQF 0 "general_operand" "=r,r,m")
         (match_operand:TQF 1 "general_operand"  "r,m,r"))]
   ""
@@ -390,6 +451,22 @@
     efl  r%0,%1
     efst r%1,%0 ")
 
+(define_expand "movtqf"
+  [(set (match_operand:TQF 0 "general_operand" "")
+        (match_operand:TQF 1 "general_operand" ""))]
+  ""
+  "
+   {
+     enum rtx_code op1code = GET_CODE (operands[1]);
+     if (GET_CODE (operands[0]) == MEM)
+       {
+         if (op1code == MEM || op1code == CONST_DOUBLE)
+          operands[1] = force_reg (TQFmode, operands[1]);
+       }
+     else if (op1code == CONST_DOUBLE)
+       operands[1] = force_const_mem (TQFmode, operands[1]);
+   }")
+
 
 ;; add instructions