+2004-03-20 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
+
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Set MEM_POINTER
+ flag.
+ * explow.c (force_not_mem): Set REG_POINTER flag according to
+ MEM_POINTER one.
+ * rtl.h (MEM_POINTER): New macro.
+ (struct rtx_def): Use integrated for MEM_SCALAR_P and frame_related
+ for MEM_POINTER.
+
2004-03-20 Roger Sayle <roger@eyesopen.com>
PR target/13889
|= ((lang_hooks.honor_readonly
&& (TYPE_READONLY (type) || TREE_READONLY (t)))
|| (! TYPE_P (t) && TREE_CONSTANT (t)));
+ MEM_POINTER (ref) = POINTER_TYPE_P (type);
/* If we are making an object of this type, or if this is a DECL, we know
that it is a scalar if the type is not an aggregate. */
/* Nonzero if this rtx came from procedure integration.
1 in a REG or PARALLEL means this rtx refers to the return value
of the current function.
- 1 in a SYMBOL_REF if the symbol is weak. */
+ 1 in a SYMBOL_REF if the symbol is weak.
+ 1 in a MEM if the MEM refers to a scalar, rather than a member of
+ an aggregate. */
unsigned integrated : 1;
/* 1 in an INSN or a SET if this rtx is related to the call frame,
either changing how we compute the frame address or saving and
restoring registers in the prologue and epilogue.
- 1 in a MEM if the MEM refers to a scalar, rather than a member of
- an aggregate.
- 1 in a REG if the register is a pointer.
+ 1 in a REG or MEM if it is a pointer.
1 in a SYMBOL_REF if it addresses something in the per-function
constant string pool. */
unsigned frame_related : 1;
#define REG_POINTER(RTX) \
(RTL_FLAG_CHECK1("REG_POINTER", (RTX), REG)->frame_related)
+/* 1 if RTX is a mem that holds a pointer value. */
+#define MEM_POINTER(RTX) \
+ (RTL_FLAG_CHECK1("MEM_POINTER", (RTX), MEM)->frame_related)
+
/* 1 if the given register REG corresponds to a hard register. */
#define HARD_REGISTER_P(REG) (HARD_REGISTER_NUM_P (REGNO (REG)))
/* 1 if RTX is a mem that refers to a scalar. If zero, RTX may or may
not refer to a scalar. */
#define MEM_SCALAR_P(RTX) \
- (RTL_FLAG_CHECK1("MEM_SCALAR_P", (RTX), MEM)->frame_related)
+ (RTL_FLAG_CHECK1("MEM_SCALAR_P", (RTX), MEM)->integrated)
/* 1 if RTX is a mem that cannot trap. */
#define MEM_NOTRAP_P(RTX) \