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--- gcc/config/avr/avr.c.orig Sat May 12 15:32:41 2001
+++ gcc/config/avr/avr.c Sat Oct 6 01:04:15 2001
@@ -562,7 +562,7 @@
fprintf (file,"\tsei\n");
++prologue_size;
}
- if (interrupt_func_p | signal_func_p)
+ if (interrupt_func_p || signal_func_p)
{
fprintf (file, "\t"
AS1 (push,__zero_reg__) CR_TAB
@@ -574,14 +574,23 @@
}
if (main_p)
{
- fprintf (file, ("\t"
- AS2 (ldi,r28,lo8(%s - %d)) CR_TAB
- AS2 (ldi,r29,hi8(%s - %d)) CR_TAB
- AS2 (out,__SP_H__,r29) CR_TAB
- AS2 (out,__SP_L__,r28) "\n"),
- avr_init_stack, size, avr_init_stack, size);
+ if (!TARGET_TINY_STACK) {
+ fprintf (file, ("\t"
+ AS2 (ldi,r28,lo8(%s - %d)) CR_TAB
+ AS2 (ldi,r29,hi8(%s - %d)) CR_TAB
+ AS2 (out,__SP_H__,r29) CR_TAB
+ AS2 (out,__SP_L__,r28) "\n"),
+ avr_init_stack, size, avr_init_stack, size);
- prologue_size += 4;
+ prologue_size += 4;
+ } else {
+ fprintf (file, ("\t"
+ AS2 (ldi,r28,lo8(%s - %d)) CR_TAB
+ AS2 (out,__SP_L__,r28) "\n"),
+ avr_init_stack, size);
+
+ prologue_size += 2;
+ }
}
else if (minimize && (frame_pointer_needed || live_seq > 6))
{
@@ -613,7 +622,8 @@
{
for (reg = 0; reg < 32; ++reg)
{
- if ((!leaf_func_p
+ if (!fixed_regs[reg] &&
+ ((!leaf_func_p
&& (call_used_regs[reg]
&& (interrupt_func_p || signal_func_p)
&& !(reg == TMP_REGNO || reg == ZERO_REGNO)))
@@ -621,7 +631,7 @@
&& (!call_used_regs[reg]
|| interrupt_func_p || signal_func_p)
&& ! (frame_pointer_needed
- && (reg == REG_Y || reg == (REG_Y+1)))))
+ && (reg == REG_Y || reg == (REG_Y+1))))))
{
fprintf (file, "\t" AS1 (push,%s) "\n", avr_regnames[reg]);
++prologue_size;
@@ -737,7 +747,7 @@
fputs ("\t", file);
epilogue_size += out_adj_frame_ptr (file, -size);
- if (interrupt_func_p | signal_func_p)
+ if (interrupt_func_p || signal_func_p)
{
epilogue_size += out_set_stack_ptr (file, -1, 0);
}
@@ -754,7 +764,8 @@
for (reg = 31; reg >= 0; --reg)
{
- if ((!leaf_func_p
+ if (!fixed_regs[reg] &&
+ ((!leaf_func_p
&& (call_used_regs[reg]
&& (interrupt_func_p || signal_func_p)
&& !(reg == TMP_REGNO || reg == ZERO_REGNO)))
@@ -762,14 +773,14 @@
&& (!call_used_regs[reg]
|| interrupt_func_p || signal_func_p)
&& ! (frame_pointer_needed
- && (reg == REG_Y || reg == (REG_Y+1)))))
+ && (reg == REG_Y || reg == (REG_Y+1))))))
{
fprintf (file, "\t" AS1 (pop,%s) "\n", avr_regnames[reg]);
++epilogue_size;
}
}
- if (interrupt_func_p | signal_func_p)
+ if (interrupt_func_p || signal_func_p)
{
fprintf (file, "\t"
AS1 (pop,__tmp_reg__) CR_TAB
|
