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rtlanal.c (global_reg_mentioned_p_1, [...]): Remove.

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* rtlanal.c (global_reg_mentioned_p_1,
	global_reg_mentioned_p): Remove.
	* rtl.h: Remove the prototype for global_reg_mentioned_p.

From-SVN: r109871
This commit is contained in:
Kazu Hirata 2006-01-18 06:22:04 +00:00 committed by Kazu Hirata
parent 7b7034ea9a
commit 15ed68f73d
3 changed files with 6 additions and 74 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2006-01-18 Kazu Hirata <kazu@codesourcery.com>
* rtlanal.c (global_reg_mentioned_p_1,
global_reg_mentioned_p): Remove.
* rtl.h: Remove the prototype for global_reg_mentioned_p.
2006-01-17 Roger Sayle <roger@eyesopen.com>
* config/i386/i386.c (COSTS_N_BYTES): New macro.

1
gcc/rtl.h
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@ -1577,7 +1577,6 @@ extern int rtx_varies_p (rtx, int);
extern int rtx_addr_varies_p (rtx, int);
extern HOST_WIDE_INT get_integer_term (rtx);
extern rtx get_related_value (rtx);
extern int global_reg_mentioned_p (rtx);
extern int reg_mentioned_p (rtx, rtx);
extern int count_occurrences (rtx, rtx, int);
extern int reg_referenced_p (rtx, rtx);

73
gcc/rtlanal.c
View File

@ -39,7 +39,6 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
#include "function.h"
/* Forward declarations */
static int global_reg_mentioned_p_1 (rtx *, void *);
static void set_of_1 (rtx, rtx, void *);
static bool covers_regno_p (rtx, unsigned int);
static bool covers_regno_no_parallel_p (rtx, unsigned int);
@ -476,78 +475,6 @@ get_related_value (rtx x)
return 0;
}
/* A subroutine of global_reg_mentioned_p, returns 1 if *LOC mentions
a global register. */
static int
global_reg_mentioned_p_1 (rtx *loc, void *data ATTRIBUTE_UNUSED)
{
int regno;
rtx x = *loc;
if (! x)
return 0;
switch (GET_CODE (x))
{
case SUBREG:
if (REG_P (SUBREG_REG (x)))
{
if (REGNO (SUBREG_REG (x)) < FIRST_PSEUDO_REGISTER
&& global_regs[subreg_regno (x)])
return 1;
return 0;
}
break;
case REG:
regno = REGNO (x);
if (regno < FIRST_PSEUDO_REGISTER && global_regs[regno])
return 1;
return 0;
case SCRATCH:
case PC:
case CC0:
case CONST_INT:
case CONST_DOUBLE:
case CONST:
case LABEL_REF:
return 0;
case CALL:
/* A non-constant call might use a global register. */
return 1;
default:
break;
}
return 0;
}
/* Returns nonzero if X mentions a global register. */
int
global_reg_mentioned_p (rtx x)
{
if (INSN_P (x))
{
if (CALL_P (x))
{
if (! CONST_OR_PURE_CALL_P (x))
return 1;
x = CALL_INSN_FUNCTION_USAGE (x);
if (x == 0)
return 0;
}
else
x = PATTERN (x);
}
return for_each_rtx (&x, global_reg_mentioned_p_1, NULL);
}
/* Return the number of places FIND appears within X. If COUNT_DEST is
zero, we do not count occurrences inside the destination of a SET. */