+2009-02-26 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.h (alpha_expand_mov): Return false if
+ force_const_mem returns NULL_RTX.
+
2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
PR rtl-optimization/39241
2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
* doc/invoke.texi (Link Options): Document an easier way to pass
- options that take arguments to the GNU linker using -Xlinker and
- -Wl.
+ options that take arguments to the GNU linker using -Xlinker and -Wl.
2009-02-24 Steve Ellcey <sje@cup.hp.com>
2009-02-23 Jan Hubicka <jh@suse.cz>
PR c/12245
- * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when resizing.
+ * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
+ resizing.
2009-02-23 Jan Hubicka <jh@suse.cz>
- PR tree-optimization/37709
- * tree.c (block_ultimate_origin): Move here from dwarf2out.
- * tree.h (block_ultimate_origin): Declare.
- * dwarf2out.c (block_ultimate_origin): Move to tree.c
+ PR tree-optimization/37709
+ * tree.c (block_ultimate_origin): Move here from dwarf2out.
+ * tree.h (block_ultimate_origin): Declare.
+ * dwarf2out.c (block_ultimate_origin): Move to tree.c
* tree-ssa-live.c (remove_unused_scope_block_p):
Eliminate blocks containig no instructions nor live variables nor
nested blocks.
(dump_scope_block): New function.
(remove_unused_locals): Enable removal of dead blocks by default;
- enable dumping at TDF_DETAILS.
+ enable dumping at TDF_DETAILS.
2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
bool
alpha_expand_mov (enum machine_mode mode, rtx *operands)
{
+ rtx tmp;
+
/* If the output is not a register, the input must be. */
if (GET_CODE (operands[0]) == MEM
&& ! reg_or_0_operand (operands[1], mode))
/* Allow legitimize_address to perform some simplifications. */
if (mode == Pmode && symbolic_operand (operands[1], mode))
{
- rtx tmp;
-
tmp = alpha_legitimize_address (operands[1], operands[0], mode);
if (tmp)
{
}
/* Otherwise we've nothing left but to drop the thing to memory. */
- operands[1] = force_const_mem (mode, operands[1]);
+ tmp = force_const_mem (mode, operands[1]);
+
+ if (tmp == NULL_RTX)
+ return false;
+
if (reload_in_progress)
{
- emit_move_insn (operands[0], XEXP (operands[1], 0));
- operands[1] = replace_equiv_address (operands[1], operands[0]);
+ emit_move_insn (operands[0], XEXP (tmp, 0));
+ operands[1] = replace_equiv_address (tmp, operands[0]);
}
else
- operands[1] = validize_mem (operands[1]);
+ operands[1] = validize_mem (tmp);
return false;
}