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[patch] h8300: Minor cleanups.
- From: Kazu Hirata <kazu at cs dot umass dot edu>
- To: gcc-patches at gcc dot gnu dot org
- Date: Fri, 27 Sep 2002 08:38:51 -0400 (EDT)
- Subject: [patch] h8300: Minor cleanups.
Hi,
Attached is a patch to do some minor cleanups.
Tested on h8300 port. Committed.
Kazu Hirata
2002-09-27 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/h8300.c (compute_saved_regs): Use a macro
instead of a hard register number.
(get_shift_alg): Use an enumerated type instead of numbers.
(h8300_shift_needs_scratch_p): Likewise.
Index: h8300.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/h8300/h8300.c,v
retrieving revision 1.148
diff -u -p -r1.148 h8300.c
--- h8300.c 24 Sep 2002 12:48:54 -0000 1.148
+++ h8300.c 27 Sep 2002 12:32:07 -0000
@@ -444,7 +444,7 @@ compute_saved_regs ()
int regno;
/* Construct a bit vector of registers to be pushed/popped. */
- for (regno = 0; regno <= 6; regno++)
+ for (regno = 0; regno <= FRAME_POINTER_REGNUM; regno++)
{
if (WORD_REG_USED (regno))
saved_regs |= 1 << regno;
@@ -2401,37 +2401,32 @@ get_shift_alg (shift_type, shift_mode, c
unsigned int count;
struct shift_info *info;
{
- int cpu;
+ enum h8_cpu cpu;
/* Find the target CPU. */
if (TARGET_H8300)
- cpu = 0;
+ cpu = H8_300;
else if (TARGET_H8300H)
- cpu = 1;
+ cpu = H8_300H;
else
- cpu = 2;
+ cpu = H8_S;
/* Find the shift algorithm. */
+ info->alg = SHIFT_LOOP;
switch (shift_mode)
{
case QIshift:
- if (GET_MODE_BITSIZE (QImode) <= count)
- info->alg = SHIFT_LOOP;
- else
+ if (count < GET_MODE_BITSIZE (QImode))
info->alg = shift_alg_qi[cpu][shift_type][count];
break;
case HIshift:
- if (GET_MODE_BITSIZE (HImode) <= count)
- info->alg = SHIFT_LOOP;
- else
+ if (count < GET_MODE_BITSIZE (HImode))
info->alg = shift_alg_hi[cpu][shift_type][count];
break;
case SIshift:
- if (GET_MODE_BITSIZE (SImode) <= count)
- info->alg = SHIFT_LOOP;
- else
+ if (count < GET_MODE_BITSIZE (SImode))
info->alg = shift_alg_si[cpu][shift_type][count];
break;
@@ -2773,7 +2768,7 @@ h8300_shift_needs_scratch_p (count, mode
int count;
enum machine_mode mode;
{
- int cpu;
+ enum h8_cpu cpu;
int a, lr, ar;
if (GET_MODE_BITSIZE (mode) <= count)
@@ -2781,11 +2776,11 @@ h8300_shift_needs_scratch_p (count, mode
/* Find out the target CPU. */
if (TARGET_H8300)
- cpu = 0;
+ cpu = H8_300;
else if (TARGET_H8300H)
- cpu = 1;
+ cpu = H8_300H;
else
- cpu = 2;
+ cpu = H8_S;
/* Find the shift algorithm. */
switch (mode)