*** empty log message ***

From-SVN: r8046

diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index a841ec9..7aa323f 100644 (file)
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -170,6 +170,7 @@ output_stack_adjust (size)
     }
 }
 
+
 /* Generate code to push the regs specified in the mask, and return
    the number of bytes the insns take. */
 
@@ -462,7 +463,7 @@ synth_constant (operands, mode)
 {
   rtx dst;
   int i = INTVAL (operands[1]) & 0xffffffff;
-
+    
   if (CONST_OK_FOR_I (i))
     return 0;
 
@@ -536,7 +537,19 @@ synth_constant (operands, mode)
   else
     return 0;
 
-  if (mode != SImode)
+  if (mode == DImode)
+    {
+      /* Moving from SI to DI, we've got to zero out the high part */
+
+      emit_insn (gen_rtx (SET, VOIDmode, 
+                         gen_rtx (SUBREG, SImode, operands[0], 0),
+                         dst));
+      emit_insn (gen_rtx (SET, VOIDmode,
+                         gen_rtx (SUBREG, SImode, operands[0], 1),
+                         const0_rtx));
+
+    }
+  else if (mode != SImode)
     {
       emit_insn (gen_rtx (SET, VOIDmode, operands[0],
                          gen_rtx (SUBREG, mode, dst, 0)));
@@ -1240,9 +1253,9 @@ add_constant (x, mode)
              if (XINT (x, 3) != XINT (pool_vector[i].value, 3))
                continue;
            }
+         if (rtx_equal_p (x, pool_vector[i].value))
+           return pool_vector[i].label;
        }
-      if (rtx_equal_p (x, pool_vector[i].value))
-       return pool_vector[i].label;
     }
 
   /* Need a new one */