Pmode may not be word_mode for TARGET_64BIT. This patch changes to
word_mode instead of Pmode. OK for trunk?
Thanks.
H.J.
2012-03-02 H.J. Lu
* config/i386/i386.c (function_value_64): Return pointers in
word_mode instead of Pmode.
(ix86_promote_function_mode): Likewise.
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 65c4c42..ac9c714 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -7240,8 +7240,8 @@ function_value_64 (enum machine_mode orig_mode, enum
machine_mode mode,
}
else if (POINTER_TYPE_P (valtype))
{
- /* Pointers are always returned in Pmode. */
- mode = Pmode;
+ /* Pointers are always returned in word_mode. */
+ mode = word_mode;
}
ret = construct_container (mode, orig_mode, valtype, 1,
@@ -7312,7 +7312,8 @@ ix86_function_value (const_tree valtype, const_tree
fntype_or_decl,
return ix86_function_value_1 (valtype, fntype_or_decl, orig_mode, mode);
}
-/* Pointer function arguments and return values are promoted to Pmode. */
+/* Pointer function arguments and return values are promoted to
+ word_mode. */
static enum machine_mode
ix86_promote_function_mode (const_tree type, enum machine_mode mode,
@@ -7322,7 +7323,7 @@ ix86_promote_function_mode (const_tree type, enum
machine_mode mode,
if (type != NULL_TREE && POINTER_TYPE_P (type))
{
*punsignedp = POINTERS_EXTEND_UNSIGNED;
- return Pmode;
+ return word_mode;
}
return default_promote_function_mode (type, mode, punsignedp, fntype,
for_return);