Rebase from GCC

.pc/aix-ibm-xlc/ChangeLog

@@ -3,6 +3,20 @@
 	* configure.ac: Fix x86 test for pc related relocs.
 	* confifure: Rebuilt.
 
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
+	Handle case when CPU variant does not have long double support.
+	* libffi/src/m68k/sysv.S: Add support for mc68000, Coldfire,
+	and cores with soft floating point.
+
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Add mips*-*-rtems* support.
+	* configure: Regenerate.
+	* src/mips/ffitarget.h: Ensure needed constants are available
+	for targets which do not have sgidefs.h.
+
 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

.pc/debug-build/ChangeLog

@@ -1,3 +1,17 @@
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
+	Handle case when CPU variant does not have long double support.
+	* libffi/src/m68k/sysv.S: Add support for mc68000, Coldfire,
+	and cores with soft floating point.
+
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Add mips*-*-rtems* support.
+	* configure: Regenerate.
+	* src/mips/ffitarget.h: Ensure needed constants are available
+	for targets which do not have sgidefs.h.
+
 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

.pc/debug-build/configure

@@ -12224,7 +12224,7 @@ case "$host" in
 	TARGET=M68K; TARGETDIR=m68k
 	;;
 
-  mips-sgi-irix5.* | mips-sgi-irix6.*)
+  mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
 	TARGET=MIPS; TARGETDIR=mips
 	;;
   mips*-*-linux*)

.pc/debug-build/configure.ac

@@ -118,7 +118,7 @@ case "$host" in
 	TARGET=M68K; TARGETDIR=m68k
 	;;
 
-  mips-sgi-irix5.* | mips-sgi-irix6.*)
+  mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
 	TARGET=MIPS; TARGETDIR=mips
 	;;
   mips*-*-linux*)

.pc/ffi_last_abi/ChangeLog

@@ -1,3 +1,17 @@
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
+	Handle case when CPU variant does not have long double support.
+	* libffi/src/m68k/sysv.S: Add support for mc68000, Coldfire,
+	and cores with soft floating point.
+
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Add mips*-*-rtems* support.
+	* configure: Regenerate.
+	* src/mips/ffitarget.h: Ensure needed constants are available
+	for targets which do not have sgidefs.h.
+
 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

.pc/ffi_last_abi/src/mips/ffitarget.h

@@ -29,9 +29,17 @@
 
 #ifdef linux
 # include <asm/sgidefs.h>
+#elif defined(__rtems__)
+/*
+ * Subprogram calling convention - copied from sgidefs.h
+ */
+#define _MIPS_SIM_ABI32		1
+#define _MIPS_SIM_NABI32	2
+#define _MIPS_SIM_ABI64		3
 #else
 # include <sgidefs.h>
 #endif
+
 #  ifndef _ABIN32
 #    define _ABIN32 _MIPS_SIM_NABI32
 #  endif

.pc/fix-grammar/ChangeLog

@@ -7,6 +7,20 @@
 	* configure.ac: Fix x86 test for pc related relocs.
 	* confifure: Rebuilt.
 
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
+	Handle case when CPU variant does not have long double support.
+	* libffi/src/m68k/sysv.S: Add support for mc68000, Coldfire,
+	and cores with soft floating point.
+
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Add mips*-*-rtems* support.
+	* configure: Regenerate.
+	* src/mips/ffitarget.h: Ensure needed constants are available
+	for targets which do not have sgidefs.h.
+
 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

.pc/hpux-mallinfo/ChangeLog

@@ -16,6 +16,20 @@
 	* configure.ac: Fix x86 test for pc related relocs.
 	* confifure: Rebuilt.
 
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
+	Handle case when CPU variant does not have long double support.
+	* libffi/src/m68k/sysv.S: Add support for mc68000, Coldfire,
+	and cores with soft floating point.
+
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Add mips*-*-rtems* support.
+	* configure: Regenerate.
+	* src/mips/ffitarget.h: Ensure needed constants are available
+	for targets which do not have sgidefs.h.
+
 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

.pc/ml64-safeseh/ChangeLog

@@ -1,3 +1,17 @@
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
+	Handle case when CPU variant does not have long double support.
+	* libffi/src/m68k/sysv.S: Add support for mc68000, Coldfire,
+	and cores with soft floating point.
+
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Add mips*-*-rtems* support.
+	* configure: Regenerate.
+	* src/mips/ffitarget.h: Ensure needed constants are available
+	for targets which do not have sgidefs.h.
+
 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

.pc/msvcc-warning/ChangeLog

@@ -1,3 +1,17 @@
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
+	Handle case when CPU variant does not have long double support.
+	* libffi/src/m68k/sysv.S: Add support for mc68000, Coldfire,
+	and cores with soft floating point.
+
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Add mips*-*-rtems* support.
+	* configure: Regenerate.
+	* src/mips/ffitarget.h: Ensure needed constants are available
+	for targets which do not have sgidefs.h.
+
 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

.pc/sparc-v8-aggregate-returns/ChangeLog

@@ -11,6 +11,20 @@
 	* configure.ac: Fix x86 test for pc related relocs.
 	* confifure: Rebuilt.
 
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
+	Handle case when CPU variant does not have long double support.
+	* libffi/src/m68k/sysv.S: Add support for mc68000, Coldfire,
+	and cores with soft floating point.
+
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Add mips*-*-rtems* support.
+	* configure: Regenerate.
+	* src/mips/ffitarget.h: Ensure needed constants are available
+	for targets which do not have sgidefs.h.
+
 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

.pc/stand-alone/configure

@@ -11391,7 +11391,7 @@ case "$host" in
 	TARGET=M68K; TARGETDIR=m68k
 	;;
 
-  mips-sgi-irix5.* | mips-sgi-irix6.*)
+  mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
 	TARGET=MIPS; TARGETDIR=mips
 	;;
   mips*-*-linux*)

.pc/stand-alone/configure.ac

@@ -114,7 +114,7 @@ case "$host" in
 	TARGET=M68K; TARGETDIR=m68k
 	;;
 
-  mips-sgi-irix5.* | mips-sgi-irix6.*)
+  mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
 	TARGET=MIPS; TARGETDIR=mips
 	;;
   mips*-*-linux*)

.pc/stdcall-x86-closure-fix/ChangeLog

@@ -1,3 +1,17 @@
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
+	Handle case when CPU variant does not have long double support.
+	* libffi/src/m68k/sysv.S: Add support for mc68000, Coldfire,
+	and cores with soft floating point.
+
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Add mips*-*-rtems* support.
+	* configure: Regenerate.
+	* src/mips/ffitarget.h: Ensure needed constants are available
+	for targets which do not have sgidefs.h.
+
 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

.pc/win64-struct-args/ChangeLog

@@ -1,3 +1,17 @@
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
+	Handle case when CPU variant does not have long double support.
+	* libffi/src/m68k/sysv.S: Add support for mc68000, Coldfire,
+	and cores with soft floating point.
+
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Add mips*-*-rtems* support.
+	* configure: Regenerate.
+	* src/mips/ffitarget.h: Ensure needed constants are available
+	for targets which do not have sgidefs.h.
+
 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

.pc/win64-underscore/ChangeLog

@@ -1,3 +1,17 @@
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
+	Handle case when CPU variant does not have long double support.
+	* libffi/src/m68k/sysv.S: Add support for mc68000, Coldfire,
+	and cores with soft floating point.
+
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Add mips*-*-rtems* support.
+	* configure: Regenerate.
+	* src/mips/ffitarget.h: Ensure needed constants are available
+	for targets which do not have sgidefs.h.
+
 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

.pc/win64-underscore/configure

@@ -12230,7 +12230,7 @@ case "$host" in
 	TARGET=M68K; TARGETDIR=m68k
 	;;
 
-  mips-sgi-irix5.* | mips-sgi-irix6.*)
+  mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
 	TARGET=MIPS; TARGETDIR=mips
 	;;
   mips*-*-linux*)

.pc/win64-underscore/configure.ac

@@ -122,7 +122,7 @@ case "$host" in
 	TARGET=M68K; TARGETDIR=m68k
 	;;
 
-  mips-sgi-irix5.* | mips-sgi-irix6.*)
+  mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
 	TARGET=MIPS; TARGETDIR=mips
 	;;
   mips*-*-linux*)

.pc/x86_pcrel_test/ChangeLog

@@ -1,3 +1,17 @@
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
+	Handle case when CPU variant does not have long double support.
+	* libffi/src/m68k/sysv.S: Add support for mc68000, Coldfire,
+	and cores with soft floating point.
+
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Add mips*-*-rtems* support.
+	* configure: Regenerate.
+	* src/mips/ffitarget.h: Ensure needed constants are available
+	for targets which do not have sgidefs.h.
+
 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

.pc/x86_pcrel_test/configure

@@ -12231,7 +12231,7 @@ case "$host" in
 	TARGET=M68K; TARGETDIR=m68k
 	;;
 
-  mips-sgi-irix5.* | mips-sgi-irix6.*)
+  mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
 	TARGET=MIPS; TARGETDIR=mips
 	;;
   mips*-*-linux*)

.pc/x86_pcrel_test/configure.ac

@@ -122,7 +122,7 @@ case "$host" in
 	TARGET=M68K; TARGETDIR=m68k
 	;;
 
-  mips-sgi-irix5.* | mips-sgi-irix6.*)
+  mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
 	TARGET=MIPS; TARGETDIR=mips
 	;;
   mips*-*-linux*)

ChangeLog

@@ -21,6 +21,20 @@
 	* configure.ac: Fix x86 test for pc related relocs.
 	* confifure: Rebuilt.
 
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
+	Handle case when CPU variant does not have long double support.
+	* libffi/src/m68k/sysv.S: Add support for mc68000, Coldfire,
+	and cores with soft floating point.
+
+2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* configure.ac: Add mips*-*-rtems* support.
+	* configure: Regenerate.
+	* src/mips/ffitarget.h: Ensure needed constants are available
+	for targets which do not have sgidefs.h.
+
 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

Makefile.in

@@ -383,7 +383,6 @@ psdir = @psdir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
-sys_symbol_underscore = @sys_symbol_underscore@
 sysconfdir = @sysconfdir@
 target = @target@
 target_alias = @target_alias@

configure

@@ -12231,7 +12231,7 @@ case "$host" in
 	TARGET=M68K; TARGETDIR=m68k
 	;;
 
-  mips-sgi-irix5.* | mips-sgi-irix6.*)
+  mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
 	TARGET=MIPS; TARGETDIR=mips
 	;;
   mips*-*-linux*)

configure.ac

@@ -122,7 +122,7 @@ case "$host" in
 	TARGET=M68K; TARGETDIR=m68k
 	;;
 
-  mips-sgi-irix5.* | mips-sgi-irix6.*)
+  mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
 	TARGET=MIPS; TARGETDIR=mips
 	;;
   mips*-*-linux*)

fficonfig.h.in

@@ -154,9 +154,6 @@
 /* Define to 1 if you have the ANSI C header files. */
 #undef STDC_HEADERS
 
-/* Define if symbols are underscored. */
-#undef SYMBOL_UNDERSCORE
-
 /* Define this if you are using Purify and want to suppress spurious messages.
    */
 #undef USING_PURIFY

include/Makefile.in

@@ -192,7 +192,6 @@ psdir = @psdir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
-sys_symbol_underscore = @sys_symbol_underscore@
 sysconfdir = @sysconfdir@
 target = @target@
 target_alias = @target_alias@

man/Makefile.in

@@ -190,7 +190,6 @@ psdir = @psdir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
-sys_symbol_underscore = @sys_symbol_underscore@
 sysconfdir = @sysconfdir@
 target = @target@
 target_alias = @target_alias@

patches/debug-build

@@ -2,7 +2,7 @@ Index: libffi/ChangeLog
 ===================================================================
 --- libffi.orig/ChangeLog
 +++ libffi/ChangeLog
-@@ -109,6 +109,13 @@
+@@ -123,6 +123,13 @@
  	* testsuite/libffi.call/cls_longdouble.c: Likewise.
  	* testsuite/libffi.call/huge_struct.c: Likewise.
  

patches/ffi_last_abi

@@ -2,7 +2,7 @@ Index: libffi/ChangeLog
 ===================================================================
 --- libffi.orig/ChangeLog
 +++ libffi/ChangeLog
-@@ -109,6 +109,12 @@
+@@ -123,6 +123,12 @@
  	* testsuite/libffi.call/cls_longdouble.c: Likewise.
  	* testsuite/libffi.call/huge_struct.c: Likewise.
  
@@ -127,7 +127,7 @@ Index: libffi/src/mips/ffitarget.h
 ===================================================================
 --- libffi.orig/src/mips/ffitarget.h
 +++ libffi/src/mips/ffitarget.h
-@@ -186,30 +186,29 @@ typedef enum ffi_abi {
+@@ -194,30 +194,29 @@ typedef enum ffi_abi {
    FFI_O32_SOFT_FLOAT,
    FFI_N32_SOFT_FLOAT,
    FFI_N64_SOFT_FLOAT,

patches/ml64-safeseh

@@ -2,7 +2,7 @@ Index: libffi/ChangeLog
 ===================================================================
 --- libffi.orig/ChangeLog
 +++ libffi/ChangeLog
-@@ -117,6 +117,10 @@
+@@ -131,6 +131,10 @@
  	* src/prep_cif.c: Push stack space computation into src/x86/ffi.c
  	for X86_ANY so return value space doesn't get added twice.
  

patches/msvcc-warning

@@ -76,7 +76,7 @@ Index: libffi/ChangeLog
 ===================================================================
 --- libffi.orig/ChangeLog
 +++ libffi/ChangeLog
-@@ -175,6 +175,11 @@
+@@ -189,6 +189,11 @@
  	* man/Makefile.in: Regenerate.
  	* testsuite/Makefile.in: Regenerate.
  

patches/stdcall-x86-closure-fix

@@ -2,7 +2,7 @@ Index: libffi/ChangeLog
 ===================================================================
 --- libffi.orig/ChangeLog
 +++ libffi/ChangeLog
-@@ -109,6 +109,14 @@
+@@ -123,6 +123,14 @@
  	* testsuite/libffi.call/cls_longdouble.c: Likewise.
  	* testsuite/libffi.call/huge_struct.c: Likewise.
  

patches/win64-struct-args

@@ -51,7 +51,7 @@ Index: libffi/ChangeLog
 ===================================================================
 --- libffi.orig/ChangeLog
 +++ libffi/ChangeLog
-@@ -146,6 +146,14 @@
+@@ -160,6 +160,14 @@
  	* fficonfig.h.in: Regenerate.
  	* src/x86/sysv.S (.eh_frame): Use .ascii, .string or error.
  

patches/win64-underscore

@@ -2,7 +2,7 @@ Index: libffi/ChangeLog
 ===================================================================
 --- libffi.orig/ChangeLog
 +++ libffi/ChangeLog
-@@ -42,6 +42,13 @@
+@@ -56,6 +56,13 @@
  	(.eh_frame): Use FDE_ENCODING.
  	(.LASFDE1, .LASFDE2, LASFDE3): Simplify with FDE_ENCODE.
  

patches/x86_pcrel_test

@@ -8,9 +8,9 @@ Index: libffi/ChangeLog
 +	* configure.ac: Fix x86 test for pc related relocs.
 +	* confifure: Rebuilt.
 +
- 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
+ 2011-02-07  Joel Sherrill <joel.sherrill@oarcorp.com>
  
- 	PR target/40125
+ 	* libffi/src/m68k/ffi.c: Add RTEMS support for cache flushing.
 Index: libffi/configure
 ===================================================================
 --- libffi.orig/configure

src/m68k/ffi.c

@@ -9,8 +9,12 @@
 
 #include <stdlib.h>
 #include <unistd.h>
+#ifdef __rtems__
+void rtems_cache_flush_multiple_data_lines( const void *, size_t );
+#else
 #include <sys/syscall.h>
 #include <asm/cachectl.h>
+#endif
 
 void ffi_call_SYSV (extended_cif *,
 		    unsigned, unsigned,
@@ -144,9 +148,11 @@ ffi_prep_cif_machdep (ffi_cif *cif)
       cif->flags = CIF_FLAGS_DOUBLE;
       break;
 
+#if (FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE)
     case FFI_TYPE_LONGDOUBLE:
       cif->flags = CIF_FLAGS_LDOUBLE;
       break;
+#endif
 
     case FFI_TYPE_POINTER:
       cif->flags = CIF_FLAGS_POINTER;
@@ -266,8 +272,12 @@ ffi_prep_closure_loc (ffi_closure* closure,
   else
     *(void **)(closure->tramp + 8) = ffi_closure_SYSV;
 
+#ifdef __rtems__
+  rtems_cache_flush_multiple_data_lines( codeloc, FFI_TRAMPOLINE_SIZE );
+#else
   syscall(SYS_cacheflush, codeloc, FLUSH_SCOPE_LINE,
 	  FLUSH_CACHE_BOTH, FFI_TRAMPOLINE_SIZE);
+#endif
 
   closure->cif  = cif;
   closure->user_data = user_data;

src/m68k/sysv.S

@@ -1,4 +1,5 @@
 /* -----------------------------------------------------------------------
+	
    sysv.S - Copyright (c) 1998 Andreas Schwab
 	    Copyright (c) 2008 Red Hat, Inc. 
    
@@ -85,7 +86,12 @@ ffi_call_SYSV:
 	move.l	16(%fp),%d2
 
 	| If the return value pointer is NULL, assume no return value.
+	| NOTE: On the mc68000, tst on an address register is not supported.
+#if defined(__mc68000__) && !defined(__mcoldfire__)
+	cmp.w	#0, %a1
+#else
 	tst.l	%a1
+#endif
 	jbeq	noretval
 
 	btst	#0,%d2
@@ -103,19 +109,34 @@ retlongint:
 retfloat:
 	btst	#2,%d2
 	jbeq	retdouble
+#if defined(__MC68881__)
 	fmove.s	%fp0,(%a1)
+#else
+	move.l	%d0,(%a1)
+#endif
 	jbra	epilogue
 
 retdouble:
 	btst	#3,%d2
 	jbeq	retlongdouble
+#if defined(__MC68881__)
 	fmove.d	%fp0,(%a1)
+#else
+	move.l	%d0,(%a1)+
+	move.l	%d1,(%a1)
+#endif
 	jbra	epilogue
 
 retlongdouble:
 	btst	#4,%d2
 	jbeq	retpointer
+#if defined(__MC68881__)
 	fmove.x	%fp0,(%a1)
+#else
+	move.l	%d0,(%a1)+
+	move.l	%d1,(%a1)+
+	move.l	%d2,(%a1)
+#endif
 	jbra	epilogue
 
 retpointer:
@@ -178,16 +199,31 @@ ffi_closure_SYSV:
 	move.l	(%a0),%d1
 	jra	.Lcls_epilogue
 .Lcls_ret_float:
+#if defined(__MC68881__)
 	fmove.s	(%a0),%fp0
+#else
+	move.l	(%a0),%d0
+#endif
 	jra	.Lcls_epilogue
 1:
 	lsr.l	#2,%d0
 	jne	1f
 	jcs	.Lcls_ret_ldouble
+#if defined(__MC68881__)
 	fmove.d	(%a0),%fp0
+#else
+	move.l	(%a0)+,%d0
+	move.l	(%a0),%d1
+#endif
 	jra	.Lcls_epilogue
 .Lcls_ret_ldouble:
+#if defined(__MC68881__)
 	fmove.x	(%a0),%fp0
+#else
+	move.l	(%a0)+,%d0
+	move.l	(%a0)+,%d1
+	move.l	(%a0),%d2
+#endif
 	jra	.Lcls_epilogue
 1:
 	lsr.l	#2,%d0

src/mips/ffitarget.h

@@ -29,9 +29,17 @@
 
 #ifdef linux
 # include <asm/sgidefs.h>
+#elif defined(__rtems__)
+/*
+ * Subprogram calling convention - copied from sgidefs.h
+ */
+#define _MIPS_SIM_ABI32		1
+#define _MIPS_SIM_NABI32	2
+#define _MIPS_SIM_ABI64		3
 #else
 # include <sgidefs.h>
 #endif
+
 #  ifndef _ABIN32
 #    define _ABIN32 _MIPS_SIM_NABI32
 #  endif

testsuite/Makefile.in

@@ -167,7 +167,6 @@ psdir = @psdir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
-sys_symbol_underscore = @sys_symbol_underscore@
 sysconfdir = @sysconfdir@
 target = @target@
 target_alias = @target_alias@