m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not already defined.

        * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
        already defined.
        * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
        * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
        other typedefs to avoid conflicts with libgcc2.c.  Define labels
        to gain 16-bit bit-manipulation functions from libgcc2.c and then
        include it.
        * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
        to gain 16-bit trapping arithmetic functions from libgcc2.c and
        then include it.

From-SVN: r145397

1 files changed, 32 insertions, 32 deletions

diff --git a/gcc/config/m32c/m32c-lib2.c b/gcc/config/m32c/m32c-lib2.c
index 492e6c8..ff341e8 100644
--- a/gcc/config/m32c/m32c-lib2.c
+++ b/gcc/config/m32c/m32c-lib2.c
@@ -1,5 +1,5 @@
 /* libgcc routines for R8C/M16C/M32C
-   Copyright (C) 2005
+   Copyright (C) 2005, 2009
    Free Software Foundation, Inc.
    Contributed by Red Hat.
 
@@ -29,24 +29,19 @@
    Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.  */
 
-typedef          int  HItype __attribute__ ((mode (HI)));
-typedef unsigned int UHItype __attribute__ ((mode (HI)));
-typedef          int  SItype __attribute__ ((mode (SI)));
-typedef unsigned int USItype __attribute__ ((mode (SI)));
+typedef          int  sint32_type   __attribute__ ((mode (SI)));
+typedef unsigned int  uint32_type   __attribute__ ((mode (SI)));
+typedef int           word_type     __attribute__ ((mode (__word__)));
 
-typedef int word_type __attribute__ ((mode (__word__)));
+uint32_type udivmodsi4 (uint32_type, uint32_type, word_type);
+sint32_type __divsi3   (sint32_type, sint32_type);
+sint32_type __modsi3   (sint32_type, sint32_type);
 
-USItype udivmodsi4 (USItype num, USItype den, word_type modwanted);
-SItype __divsi3 (SItype a, SItype b);
-SItype __modsi3 (SItype a, SItype b);
-SItype __udivsi3 (SItype a, SItype b);
-SItype __umodsi3 (SItype a, SItype b);
-
-USItype
-udivmodsi4 (USItype num, USItype den, word_type modwanted)
+uint32_type
+udivmodsi4 (uint32_type num, uint32_type den, word_type modwanted)
 {
-  USItype bit = 1;
-  USItype res = 0;
+  uint32_type bit = 1;
+  uint32_type res = 0;
 
   while (den < num && bit && !(den & (1L << 31)))
     {
@@ -68,13 +63,11 @@ udivmodsi4 (USItype num, USItype den, word_type modwanted)
   return res;
 }
 
-
-
-SItype
-__divsi3 (SItype a, SItype b)
+sint32_type
+__divsi3 (sint32_type a, sint32_type b)
 {
   word_type neg = 0;
-  SItype res;
+  sint32_type res;
 
   if (a < 0)
     {
@@ -96,13 +89,11 @@ __divsi3 (SItype a, SItype b)
   return res;
 }
 
-
-
-SItype
-__modsi3 (SItype a, SItype b)
+sint32_type
+__modsi3 (sint32_type a, sint32_type b)
 {
   word_type neg = 0;
-  SItype res;
+  sint32_type res;
 
   if (a < 0)
     {
@@ -121,19 +112,28 @@ __modsi3 (SItype a, SItype b)
   return res;
 }
 
+/* See the comment by the definition of LIBGCC2_UNITS_PER_WORD in
+   m32c.h for why we are creating extra versions of some of the
+   functions defined in libgcc2.c.  */
+
+#define LIBGCC2_UNITS_PER_WORD 2
 
+#define L_clzsi2
+#define L_ctzsi2
+#define L_ffssi2
+#define L_paritysi2
+#define L_popcountsi2
 
+#include "libgcc2.c"
 
-SItype
-__udivsi3 (SItype a, SItype b)
+uint32_type
+__udivsi3 (uint32_type a, uint32_type b)
 {
   return udivmodsi4 (a, b, 0);
 }
 
-
-
-SItype
-__umodsi3 (SItype a, SItype b)
+uint32_type
+__umoddi3 (uint32_type a, uint32_type b)
 {
   return udivmodsi4 (a, b, 1);
 }