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put heavily used pointer variables in registers

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This commit is contained in:
erikb
1986-09-24 13:53:16 +00:00
parent bfad7d30f0
commit c967d1ab3a
29 changed files with 275 additions and 280 deletions
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17
lang/cem/cemcom/cstoper.c
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@@ -1,8 +1,7 @@
/* $Header$ */
/* C O N S T A N T E X P R E S S I O N H A N D L I N G */
#include "target_sizes.h" /* UF */
#include "target_sizes.h"
#include "idf.h"
#include "arith.h"
#include "type.h"
@@ -19,14 +18,14 @@ arith max_int; /* maximum integer on target machine */
arith max_unsigned; /* maximum unsigned on target machine */
cstbin(expp, oper, expr)
struct expr **expp, *expr;
register struct expr **expp, *expr;
{
/* The operation oper is performed on the constant
expressions *expp(ld) and expr(ct), and the result restored in
*expp.
*/
arith o1 = (*expp)->VL_VALUE;
arith o2 = expr->VL_VALUE;
register arith o1 = (*expp)->VL_VALUE;
register arith o2 = expr->VL_VALUE;
int uns = (*expp)->ex_type->tp_unsigned;
ASSERT(is_ld_cst(*expp) && is_cp_cst(expr));
@@ -184,7 +183,7 @@ cstbin(expp, oper, expr)
}
cut_size(expr)
struct expr *expr;
register struct expr *expr;
{
/* The constant value of the expression expr is made to
conform to the size of the type of the expression.
@@ -214,8 +213,8 @@ cut_size(expr)
init_cst()
{
int i = 0;
arith bt = (arith)0;
register int i = 0;
register arith bt = (arith)0;
while (!(bt < 0)) {
bt = (bt << 8) + 0377, i++;
@@ -227,8 +226,6 @@ init_cst()
mach_long_sign = 1 << (mach_long_size * 8 - 1);
if (long_size < mach_long_size)
fatal("sizeof (long) insufficient on this machine");
max_int = full_mask[int_size] & ~(1 << (int_size * 8 - 1));
max_unsigned = full_mask[int_size];
}