+2009-07-31 DJ Delorie <dj@redhat.com>
+
+ * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
+ (UNSPECV_SP_SWITCH_E): New.
+ (sp_switch_1): Change to an unspec.
+ (sp_switch_2): Change to an unspec. Don't use post-inc when we
+ replace $r15.
+ * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
+ reference the new stack's address
+
2009-07-30 Sebastian Pop <sebastian.pop@amd.com>
* Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
/* If we're supposed to switch stacks at function entry, do so now. */
if (sp_switch_attr)
{
+ rtx lab, newsrc;
/* The argument specifies a variable holding the address of the
stack the interrupt function should switch to/from at entry/exit. */
+ tree arg = TREE_VALUE ( TREE_VALUE (sp_switch_attr));
const char *s
- = ggc_strdup (TREE_STRING_POINTER (TREE_VALUE (sp_switch_attr)));
+ = ggc_strdup (TREE_STRING_POINTER (arg));
rtx sp_switch = gen_rtx_SYMBOL_REF (Pmode, s);
- emit_insn (gen_sp_switch_1 (sp_switch));
+ lab = add_constant (sp_switch, SImode, 0);
+ newsrc = gen_rtx_LABEL_REF (VOIDmode, lab);
+ newsrc = gen_const_mem (SImode, newsrc);
+
+ emit_insn (gen_sp_switch_1 (newsrc));
}
d = calc_live_regs (&live_regs_mask);