diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9f11b75
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.idea/
diff --git a/config.sub b/config.sub
old mode 100644
new mode 100755
diff --git a/emit-rtl.c b/emit-rtl.c
index 18da1f0..11b0ae2 100644
--- a/emit-rtl.c
+++ b/emit-rtl.c
@@ -3406,7 +3406,8 @@ init_emit_once (line_numbers)
 	  bzero ((char *) &u, sizeof u);  /* Zero any holes in a structure.  */
 	  u.d = i == 0 ? dconst0 : i == 1 ? dconst1 : dconst2;
 
-	  bcopy ((char *) &u, (char *) &CONST_DOUBLE_LOW (tem), sizeof u);
+	  bcopy ((char *) &u, (char *) &CONST_DOUBLE_LOW (tem), sizeof u / 2);
+    bcopy ((char *) &u + (sizeof u / 2), (char *) &CONST_DOUBLE_HIGH (tem), sizeof u / 2);
 	  CONST_DOUBLE_MEM (tem) = cc0_rtx;
 	  PUT_MODE (tem, mode);
 
diff --git a/move-if-change b/move-if-change
old mode 100644
new mode 100755
diff --git a/real.h b/real.h
index d51c9e1..3e7f907 100644
--- a/real.h
+++ b/real.h
@@ -21,6 +21,8 @@ Boston, MA 02111-1307, USA.  */
 #ifndef REAL_H_INCLUDED
 #define REAL_H_INCLUDED
 
+#include <stdint.h>
+
 /* Define codes for all the float formats that we know of.  */
 #define UNKNOWN_FLOAT_FORMAT 0
 #define IEEE_FLOAT_FORMAT 1
@@ -432,7 +434,8 @@ REAL_VALUE_TYPE real_value_from_int_cst ();
 
 #define REAL_VALUE_FROM_CONST_DOUBLE(to, from)		\
 do { union real_extract u;				\
-     bcopy ((char *) &CONST_DOUBLE_LOW ((from)), (char *) &u, sizeof u); \
+     bcopy ((uint8_t *) &CONST_DOUBLE_LOW ((from)), (uint8_t *) &u, (sizeof u) / 2); \
+     bcopy ((uint8_t *) &CONST_DOUBLE_HIGH ((from)), ((uint8_t *) &u) + (sizeof u / 2), (sizeof u) / 2); \
      to = u.d; } while (0)
 
 /* Return a CONST_DOUBLE with value R and mode M.  */
diff --git a/varasm.c b/varasm.c
index eae0ea4..e20d763 100644
--- a/varasm.c
+++ b/varasm.c
@@ -29,6 +29,7 @@ Boston, MA 02111-1307, USA.  */
 #include "config.h"
 #include <stdio.h>
 #include <setjmp.h>
+#include <stdint.h>
 /* #include <stab.h> */
 #include "rtl.h"
 #include "tree.h"
@@ -2265,8 +2266,9 @@ immed_real_const_1 (d, mode)
      If one is found, return it.  */
 
   for (r = const_double_chain; r; r = CONST_DOUBLE_CHAIN (r))
-    if (! bcmp ((char *) &CONST_DOUBLE_LOW (r), (char *) &u, sizeof u)
-	&& GET_MODE (r) == mode)
+    if (! bcmp ((char *) &CONST_DOUBLE_LOW (r), (char *) &u, sizeof u / 2) &&
+        ! bcmp ((char *) &CONST_DOUBLE_HIGH (r), ((char *) &u) + (sizeof u / 2), sizeof u / 2)
+  && GET_MODE (r) == mode)
       return r;
 
   /* No; make a new one and add it to the chain.
@@ -2281,7 +2283,8 @@ immed_real_const_1 (d, mode)
   rtl_in_saveable_obstack ();
   r = rtx_alloc (CONST_DOUBLE);
   PUT_MODE (r, mode);
-  bcopy ((char *) &u, (char *) &CONST_DOUBLE_LOW (r), sizeof u);
+  bcopy ((char *) &u, (char *) &CONST_DOUBLE_LOW (r), sizeof u / 2);
+  bcopy (((char *) &u) + + (sizeof u / 2), (char *) &CONST_DOUBLE_HIGH (r), sizeof u / 2);
   pop_obstacks ();
 
   /* Don't touch const_double_chain in nested function; see force_const_mem.