===================================================================
@@ -18,6 +18,10 @@
an old insn, ignore a use that occurs after store_ruid.
* Makefile.in (postreload.o): Update dependencies.
+ * function.c (record_hard_reg_sets): Restrict the previous change
+ to cases where the incoming nominal mode is the same as the
+ incoming promoted mode and everything happens in MODE_INT.
+
2010-07-21 Jakub Jelinek <jakub@redhat.com>
PR debug/45015
===================================================================
@@ -2918,7 +2918,10 @@ assign_parm_setup_reg (struct assign_par
|| promoted_nominal_mode != data->promoted_mode);
moved = false;
- if (need_conversion)
+ if (need_conversion
+ && GET_MODE_CLASS (data->nominal_mode) == MODE_INT
+ && data->nominal_mode == data->passed_mode
+ && data->nominal_mode == GET_MODE (data->entry_parm))
{
/* ENTRY_PARM has been converted to PROMOTED_MODE, its
mode, by the caller. We now have to convert it to
@@ -2979,8 +2982,9 @@ assign_parm_setup_reg (struct assign_par
if (moved)
{
emit_insn (insns);
- equiv_stack_parm = gen_rtx_fmt_e (code, GET_MODE (parmreg),
- equiv_stack_parm);
+ if (equiv_stack_parm != NULL_RTX)
+ equiv_stack_parm = gen_rtx_fmt_e (code, GET_MODE (parmreg),
+ equiv_stack_parm);
}
}
}