gcc/

	* config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128524 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2073182..e250481 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
+
+       * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define.
+
 2007-09-15  Zdenek Dvorak  <ook@ucw.cz>
 
        * tree-parloops.c: New file.

diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h
index 0d23e56..d38bba8 100644 (file)
--- a/gcc/config/mips/mips.h
+++ b/gcc/config/mips/mips.h
@@ -1350,6 +1350,10 @@ extern enum mips_llsc_setting mips_llsc;
       (MODE) = Pmode;                           \
     }
 
+/* Pmode is always the same as ptr_mode, but not always the same as word_mode.
+   Extensions of pointers to word_mode must be signed.  */
+#define POINTERS_EXTEND_UNSIGNED false
+
 /* Define if loading short immediate values into registers sign extends.  */
 #define SHORT_IMMEDIATES_SIGN_EXTEND