OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

h8300.c (dosize): Replace argument op with sign.

Browse Source 
* config/h8300/h8300.c (dosize): Replace argument op with
	sign.
	(h8300_output_function_prologue): Update the call to dosize.
	(h8300_output_function_epilogue): Likewise.

From-SVN: r59746
This commit is contained in:
Kazu Hirata 2002-12-02 22:22:05 +00:00 committed by Kazu Hirata
parent 61b8da3733
commit e8a68017b0
2 changed files with 66 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2002-12-02 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/h8300.c (dosize): Replace argument op with
sign.
(h8300_output_function_prologue): Update the call to dosize.
(h8300_output_function_epilogue): Likewise.
2002-12-02 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/xtensa.h: Delete ifndefs with nothing inside them.

79
gcc/config/h8300/h8300.c
View File

@ -48,7 +48,7 @@ static const char *byte_reg PARAMS ((rtx, int));
static int h8300_interrupt_function_p PARAMS ((tree));
static int h8300_monitor_function_p PARAMS ((tree));
static int h8300_os_task_function_p PARAMS ((tree));
static void dosize PARAMS ((FILE *, const char *, unsigned int));
static void dosize PARAMS ((FILE *, int, unsigned int));
static int round_frame_size PARAMS ((int));
static unsigned int compute_saved_regs PARAMS ((void));
static void push PARAMS ((FILE *, int));
@ -393,9 +393,9 @@ byte_reg (x, b)
SIZE to adjust the stack pointer. */
static void
dosize (file, op, size)
dosize (file, sign, size)
FILE *file;
const char *op;
int sign;
unsigned int size;
{
/* On the H8/300H and H8S, for sizes <= 8 bytes, it is as good or
@ -409,8 +409,9 @@ dosize (file, op, size)
|| ((TARGET_H8300H || TARGET_H8300S) && size <= 8)
|| (TARGET_H8300 && interrupt_handler)
|| (TARGET_H8300 && current_function_needs_context
&& ! strcmp (op, "sub")))
&& sign < 0))
{
const char *op = (sign > 0) ? "add" : "sub";
unsigned HOST_WIDE_INT amount;
/* Try different amounts in descending order. */
@ -429,9 +430,13 @@ dosize (file, op, size)
else
{
if (TARGET_H8300)
fprintf (file, "\tmov.w\t#%d,r3\n\t%s.w\tr3,r7\n", size, op);
{
fprintf (file, "\tmov.w\t#%d,r3\n\tadd.w\tr3,r7\n", sign * size);
}
else
fprintf (file, "\t%s.l\t#%d,er7\n", op, size);
{
fprintf (file, "\tadd.l\t#%d,er7\n", sign * size);
}
}
}
@ -586,7 +591,7 @@ h8300_output_function_prologue (file, size)
}
/* Leave room for locals. */
dosize (file, "sub", fsize);
dosize (file, -1, fsize);
/* Push the rest of the registers in ascending order. */
saved_regs = compute_saved_regs ();
@ -611,12 +616,29 @@ h8300_output_function_prologue (file, size)
n_regs = 2;
}
if (n_regs == 1)
push (file, regno);
else
fprintf (file, "\tstm.l\t%s-%s,@-er7\n",
h8_reg_names[regno],
h8_reg_names[regno + (n_regs - 1)]);
switch (n_regs)
{
case 1:
push (file, regno);
break;
case 2:
fprintf (file, "\tstm.l\t%s-%s,@-er7\n",
h8_reg_names[regno],
h8_reg_names[regno + 1]);
break;
case 3:
fprintf (file, "\tstm.l\t%s-%s,@-er7\n",
h8_reg_names[regno],
h8_reg_names[regno + 2]);
break;
case 4:
fprintf (file, "\tstm.l\t%s-%s,@-er7\n",
h8_reg_names[regno],
h8_reg_names[regno + 3]);
break;
default:
abort ();
}
}
}
}
@ -677,17 +699,34 @@ h8300_output_function_epilogue (file, size)
n_regs = 2;
}
if (n_regs == 1)
pop (file, regno);
else
fprintf (file, "\tldm.l\t@er7+,%s-%s\n",
h8_reg_names[regno - (n_regs - 1)],
h8_reg_names[regno]);
switch (n_regs)
{
case 1:
pop (file, regno);
break;
case 2:
fprintf (file, "\tldm.l\t@er7+,%s-%s\n",
h8_reg_names[regno - 1],
h8_reg_names[regno]);
break;
case 3:
fprintf (file, "\tldm.l\t@er7+,%s-%s\n",
h8_reg_names[regno - 2],
h8_reg_names[regno]);
break;
case 4:
fprintf (file, "\tldm.l\t@er7+,%s-%s\n",
h8_reg_names[regno - 3],
h8_reg_names[regno]);
break;
default:
abort ();
}
}
}
/* Deallocate locals. */
dosize (file, "add", fsize);
dosize (file, 1, fsize);
/* Pop frame pointer if we had one. */
if (frame_pointer_needed)