* emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
+ * sibcall.c (skip_pic_restore): New.
+ (identify_call_return_value): Use it.
+
2000-09-24 Mark Mitchell <mark@codesourcery.com>
* c-tree.texi: Moved here from cp/ir.texi. Documented nested
static rtx skip_copy_to_return_value PARAMS ((rtx, rtx, rtx));
static rtx skip_use_of_return_value PARAMS ((rtx, enum rtx_code));
static rtx skip_stack_adjustment PARAMS ((rtx));
+static rtx skip_pic_restore PARAMS ((rtx));
static rtx skip_jump_insn PARAMS ((rtx));
static int uses_addressof PARAMS ((rtx));
static int sequence_uses_addressof PARAMS ((rtx));
if (! insn)
return 0;
+ /* Restore of GP register may appear here. */
+ insn = skip_pic_restore (insn);
+ if (! insn)
+ return 0;
+
/* If there's nothing after, there's no soft return value. */
insn = NEXT_INSN (insn);
if (! insn)
if (insn)
set = single_set (insn);
- /* The source must be the same as the current function's return value to
- ensure that any return value is put in the same place by the current
- function and the function we're calling. The destination register
- must be a pseudo. */
if (insn
&& set
&& GET_CODE (SET_SRC (set)) == PLUS
&& SET_DEST (set) == stack_pointer_rtx)
return insn;
- /* It did not look like a copy of the return value, so return the
- same insn we were passed. */
+ return orig_insn;
+}
+
+/* If the first real insn after ORIG_INSN sets the pic register,
+ return it. Otherwise return ORIG_INSN. */
+
+static rtx
+skip_pic_restore (orig_insn)
+ rtx orig_insn;
+{
+ rtx insn, set = NULL_RTX;
+
+ insn = next_nonnote_insn (orig_insn);
+
+ if (insn)
+ set = single_set (insn);
+
+ if (insn && set && SET_DEST (set) == pic_offset_table_rtx)
+ return insn;
+
return orig_insn;
}