+2014-02-10 Nick Clifton <nickc@redhat.com>
+
+ * config/mn10300/mn10300.c (popcount): New function.
+ (mn10300_expand_prologue): Include saved registers in stack usage
+ count.
+
2014-02-10 Jeff Law <law@redhat.com>
PR middle-end/52306
F (emit_insn (x));
}
+static inline unsigned int
+popcount (unsigned int mask)
+{
+ unsigned int count = 0;
+
+ while (mask)
+ {
+ ++ count;
+ mask &= ~ (mask & - mask);
+ }
+ return count;
+}
+
void
mn10300_expand_prologue (void)
{
HOST_WIDE_INT size = mn10300_frame_size ();
+ unsigned int mask;
- if (flag_stack_usage_info)
- current_function_static_stack_size = size;
-
+ mask = mn10300_get_live_callee_saved_regs (NULL);
/* If we use any of the callee-saved registers, save them now. */
- mn10300_gen_multiple_store (mn10300_get_live_callee_saved_regs (NULL));
+ mn10300_gen_multiple_store (mask);
+
+ if (flag_stack_usage_info)
+ current_function_static_stack_size = size + popcount (mask) * 4;
if (TARGET_AM33_2 && fp_regs_to_save ())
{
unsigned int strategy_size = (unsigned)-1, this_strategy_size;
rtx reg;
+ if (flag_stack_usage_info)
+ current_function_static_stack_size += num_regs_to_save * 4;
+
/* We have several different strategies to save FP registers.
We can store them using SP offsets, which is beneficial if
there are just a few registers to save, or we can use `a0' in