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[patch] h8300.c: Remove redundant code.
- From: Kazu Hirata <kazu at hxi dot com>
- To: gcc-patches at gcc dot gnu dot org
- Subject: [patch] h8300.c: Remove redundant code.
Hi,
Attached is a patch to remove redundant code from h8300.c.
Tested on h8300 port. Committed.
Kazu Hirata
2002-01-21 Kazu Hirata <kazu@hxi.com>
* config/h8300/h8300.c (function_arg): Replace 0 with NULL_RTX
as appropriate.
Remove redundant code.
Index: h8300.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/h8300/h8300.c,v
retrieving revision 1.97
diff -u -r1.97 h8300.c
--- h8300.c 2002/01/21 02:04:46 1.97
+++ h8300.c 2002/01/21 07:04:50
@@ -825,20 +825,19 @@
tree type;
int named;
{
- rtx result = 0;
+ rtx result = NULL_RTX;
const char *fname;
int regpass = 0;
/* Never pass unnamed arguments in registers. */
if (!named)
- return 0;
+ return NULL_RTX;
/* Pass 3 regs worth of data in regs when user asked on the command line. */
if (TARGET_QUICKCALL)
regpass = 3;
/* If calling hand written assembler, use 4 regs of args. */
-
if (cum->libcall)
{
const char * const *p;
@@ -846,7 +845,6 @@
fname = XSTR (cum->libcall, 0);
/* See if this libcall is one of the hand coded ones. */
-
for (p = hand_list; *p && strcmp (*p, fname) != 0; p++)
;
@@ -863,11 +861,7 @@
else
size = GET_MODE_SIZE (mode);
- if (size + cum->nbytes > regpass * UNITS_PER_WORD)
- {
- result = 0;
- }
- else
+ if (size + cum->nbytes <= regpass * UNITS_PER_WORD)
{
switch (cum->nbytes / UNITS_PER_WORD)
{
@@ -883,8 +877,6 @@
case 3:
result = gen_rtx_REG (mode, 3);
break;
- default:
- result = 0;
}
}
}