ns32k.h (TARGET_IEEE_COMPARE): Correct earlier patch.

* config/ns32k/ns32k.h (TARGET_IEEE_COMPARE): Correct earlier patch.
        (RETURN_ADDR_RTX): Cannot determine return address for FRAME > 0
        when there is no frame pointer.
        (INITIAL_FRAME_POINTER_OFFSET): Count stack space for saved fp
        registers properly.
        * config/ns32k/__unorddf2.c: New file.
        * config/ns32k/__unordsf2.c: New file.
        * config/ns32k/t-ns32k: New file.
        * config.gcc (ns32k-*-netbsd*): Use it.

From-SVN: r55949

gcc/ChangeLog

@@ -1,3 +1,15 @@
+2002-08-01  Ian Dall  <ian@sibyl.beware.dropbear.id.au>
+
+	* config/ns32k/ns32k.h (TARGET_IEEE_COMPARE): Correct earlier patch.
+	(RETURN_ADDR_RTX): Cannot determine return address for FRAME > 0
+	when there is no frame pointer.
+	(INITIAL_FRAME_POINTER_OFFSET): Count stack space for saved fp
+	registers properly.
+	* config/ns32k/__unorddf2.c: New file.
+	* config/ns32k/__unordsf2.c: New file.
+	* config/ns32k/t-ns32k: New file.
+	* config.gcc (ns32k-*-netbsd*): Use it.
+
 2002-08-01  Aldy Hernandez  <aldyh@redhat.com>
 
 	* config/rs6000/rs6000.h (SPU_CONST_OFFSET_OK): Change to 0xff.

gcc/config.gcc

@@ -1970,7 +1970,7 @@ ns32k-*-netbsdelf*)
 ns32k-*-netbsd*)
 	tm_file="${tm_file} netbsd.h netbsd-aout.h ns32k/netbsd.h"
 	# On NetBSD, the headers are already okay, except for math.h.
-	tmake_file=t-netbsd
+	tmake_file="t-netbsd ns32k/t-ns32k"
 	use_collect2=yes
 	;;
 pdp11-*-bsd)

gcc/config/ns32k/__unorddf2.c

@@ -0,0 +1,34 @@
+/* Lightweight function to test for ieee unordered comparison
+   Copyright (C) 2002
+   Free Software Foundation, Inc.
+   Contributed by Ian Dall <ian@beware.dropbear.id.au>
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+# define ISNAN(x) (							\
+  {									\
+    union u { double d; unsigned int i[2]; } *t = (union u *)&(x);	\
+    ((t->i[1] & 0x7ff00000) == 0x7ff00000) &&				\
+    (t->i[0] != 0 || (t->i[1] & 0xfffff) != 0);				\
+  })
+
+int __unorddf2 (double, double);
+int __unorddf2 (double a, double b)
+{
+  return ISNAN(a) || ISNAN(b);
+}

gcc/config/ns32k/__unordsf2.c

@@ -0,0 +1,34 @@
+/* Lightweight function to test for ieee unordered comparison
+   Copyright (C) 2002
+   Free Software Foundation, Inc.
+   Contributed by Ian Dall <ian@beware.dropbear.id.au>
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+# define ISNAN(x) (						\
+  {								\
+    union u { float f; unsigned int i; } *t = (union u *)&(x);	\
+    ((t->i & 0x7f800000) == 0x7f800000) &&			\
+    ((t->i & 0x7fffff) != 0);					\
+  })
+
+int __unordsf2 ( float, float);
+int __unordsf2 ( float a, float b)
+{
+  return ISNAN(a) || ISNAN(b);
+}

gcc/config/ns32k/ns32k.h

@@ -129,7 +129,7 @@ extern int target_flags;
 /* Compile using bitfield insns.  */
 #define TARGET_BITFIELD ((target_flags & MASK_NO_BITFIELD) == 0)
 
-#define TARGET_IEEE_FP (target_flags & MASK_IEEE_COMPARE)
+#define TARGET_IEEE_COMPARE (target_flags & MASK_IEEE_COMPARE)
 
 /* Macro to define tables used to set the flags.
    This is a list in braces of pairs in braces,
@@ -578,7 +578,8 @@ enum reg_class
    After the prologue, RA is at 4(fp) in the current frame.  */
 
 #define RETURN_ADDR_RTX(COUNT, FRAME)					\
-  (gen_rtx (MEM, Pmode, gen_rtx (PLUS, Pmode, (FRAME), GEN_INT(4))))
+  ((COUNT> 0 && flag_omit_frame_pointer)? NULL_RTX			\
+   : gen_rtx (MEM, Pmode, gen_rtx (PLUS, Pmode, (FRAME), GEN_INT(4))))
 
 /* A C expression whose value is an integer giving the offset, in
    bytes, from the value of the stack pointer register to the top of
@@ -743,12 +744,9 @@ enum reg_class
 {								\
   int regno;							\
   int offset = -4;						\
-  for (regno = 0; regno < L1_REGNUM; regno++)			\
+  for (regno = 0; regno < FRAME_POINTER_REGNUM; regno++)	\
     if (regs_ever_live[regno] && ! call_used_regs[regno])	\
       offset += 4;						\
-  for (; regno < FRAME_POINTER_REGNUM; regno++)			\
-    if (regs_ever_live[regno] && ! call_used_regs[regno])	\
-      offset += 8;						\
   if (flag_pic && current_function_uses_pic_offset_table)	\
     offset += 4;						\
   (DEPTH) = (offset + get_frame_size ()				\

gcc/config/ns32k/t-ns32k

@@ -0,0 +1,4 @@
+# We want fine grained libraries, so use the new code to build the
+# floating point emulation libraries.
+LIB2FUNCS_EXTRA = $(srcdir)/config/ns32k/__unorddf2.c \
+                  $(srcdir)/config/ns32k/__unordsf2.c