--- gcc/config/iris.h	2018/04/24 17:51:32	1.1
+++ gcc/config/iris.h	2018/04/24 18:04:16	1.1.1.4
@@ -42,15 +42,17 @@ the Free Software Foundation, 675 Mass A
 
 #define ASM_SPEC "\
 %{!mgas: \
-	%{!mrnames: -nocpp} \
+	%{!mrnames: %{!.s:-nocpp} %{.s: %{cpp} %{nocpp}}} \
 	%{pipe: %e-pipe is not supported.} \
+	%{mips1} %{mips2} %{mips3} \
 	%{O:-O2} %{O1:-O2} %{O2:-O2} %{O3:-O3} \
 	%{g} %{g0} %{g1} %{g2} %{g3} %{v} %{K}} \
 %{G*}"
 
 #define LINK_SPEC "\
 %{G*} \
-%{!mgas: %{bestGnum}}"
+%{!mgas: %{mips1} %{mips2} %{mips3} \
+	 %{bestGnum} %{shared} %{non_shared}}"
 
 /* Always use 1 for .file number.  I [meissner@osf.org] wonder why
    IRIS needs this.  */
@@ -69,4 +71,29 @@ the Free Software Foundation, 675 Mass A
     SIZE.constant = 32;                                                 \
 }
 
+/* Define this macro to control use of the character `$' in
+   identifier names.  The value should be 0, 1, or 2.  0 means `$'
+   is not allowed by default; 1 means it is allowed by default if
+   `-traditional' is used; 2 means it is allowed by default provided
+   `-ansi' is not used.  1 is the default; there is no need to
+   define this macro in that case. */
+
+#define DOLLARS_IN_IDENTIFIERS 0
+
+/* Tell G++ not to create constructors or destructors with $'s in them.  */
+
+#define NO_DOLLAR_IN_LABEL 1
+
+/* Specify size_t, ptrdiff_t, and wchar_t types.  */
+#define SIZE_TYPE	"unsigned int"
+#define PTRDIFF_TYPE	"int"
+#define WCHAR_TYPE	"unsigned char"
+#define WCHAR_TYPE_SIZE BITS_PER_UNIT
+
+/* Generate calls to memcpy, etc., not bcopy, etc.  */
+#define TARGET_MEM_FUNCTIONS
+
+/* Plain char is unsigned in the SGI compiler.  */
+#define DEFAULT_SIGNED_CHAR 0
+
 #include "mips.h"