tilegx32: avoid a a -Werror warning from unwinding

The _Unwind_GetCFA() routine returns a 64-bit value,
which we interpret as a pointer.  Add an intermediate
cast to long so that in ILP32 mode we don't get a warning
about casting a wrong-sized integer to a pointer.

diff --git a/ChangeLog b/ChangeLog
index f7bfe91..3b01ed8 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-26  Chris Metcalf  <cmetcalf@ezchip.com>
+
+       * sysdeps/tile/jmpbuf-unwind.h (_JMPBUF_CFA_UNWINDS_ADJ): Cast to
+       long before casting to pointer to avoid a cast warning.
+
 2014-12-23  Chris Metcalf  <cmetcalf@ezchip.com>
 
        * sysdeps/tile/tilegx/Implies: New file.

diff --git a/sysdeps/tile/jmpbuf-unwind.h b/sysdeps/tile/jmpbuf-unwind.h
index 3925e90..ec0be21 100644 (file)
--- a/sysdeps/tile/jmpbuf-unwind.h
+++ b/sysdeps/tile/jmpbuf-unwind.h
@@ -29,7 +29,7 @@
   ((void *) (address) < (void *) demangle ((jmpbuf)[JB_SP]))
 
 #define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
-  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
+  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) (long) _Unwind_GetCFA (_context), _adj)
 
 static inline uintptr_t __attribute__ ((unused))
 _jmpbuf_sp (__jmp_buf regs)