remove register let the compiler find the best register optimization
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diff --git a/bn_fast_mp_montgomery_reduce.c b/bn_fast_mp_montgomery_reduce.c
index d2d55a8..a63839d 100644
--- a/bn_fast_mp_montgomery_reduce.c
+++ b/bn_fast_mp_montgomery_reduce.c
@@ -42,8 +42,8 @@ int fast_mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho)
* an array of double precision words W[...]
*/
{
- register mp_word *_W;
- register mp_digit *tmpx;
+ mp_word *_W;
+ mp_digit *tmpx;
/* alias for the W[] array */
_W = W;
@@ -72,7 +72,7 @@ int fast_mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho)
* by casting the value down to a mp_digit. Note this requires
* that W[ix-1] have the carry cleared (see after the inner loop)
*/
- register mp_digit mu;
+ mp_digit mu;
mu = (mp_digit) (((W[ix] & MP_MASK) * rho) & MP_MASK);
/* a = a + mu * m * b**i
@@ -90,9 +90,9 @@ int fast_mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho)
* first m->used words of W[] have the carries fixed
*/
{
- register int iy;
- register mp_digit *tmpn;
- register mp_word *_W;
+ int iy;
+ mp_digit *tmpn;
+ mp_word *_W;
/* alias for the digits of the modulus */
tmpn = n->dp;
@@ -115,8 +115,8 @@ int fast_mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho)
* significant digits we zeroed].
*/
{
- register mp_digit *tmpx;
- register mp_word *_W, *_W1;
+ mp_digit *tmpx;
+ mp_word *_W, *_W1;
/* nox fix rest of carries */
diff --git a/bn_fast_s_mp_mul_digs.c b/bn_fast_s_mp_mul_digs.c
index aaad804..acd13b4 100644
--- a/bn_fast_s_mp_mul_digs.c
+++ b/bn_fast_s_mp_mul_digs.c
@@ -35,7 +35,7 @@ int fast_s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
{
int olduse, res, pa, ix, iz;
mp_digit W[MP_WARRAY];
- register mp_word _W;
+ mp_word _W;
/* grow the destination as required */
if (c->alloc < digs) {
@@ -85,7 +85,7 @@ int fast_s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
c->used = pa;
{
- register mp_digit *tmpc;
+ mp_digit *tmpc;
tmpc = c->dp;
for (ix = 0; ix < (pa + 1); ix++) {
/* now extract the previous digit [below the carry] */
diff --git a/bn_fast_s_mp_mul_high_digs.c b/bn_fast_s_mp_mul_high_digs.c
index 6c22b13..b96cf60 100644
--- a/bn_fast_s_mp_mul_high_digs.c
+++ b/bn_fast_s_mp_mul_high_digs.c
@@ -75,7 +75,7 @@ int fast_s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
c->used = pa;
{
- register mp_digit *tmpc;
+ mp_digit *tmpc;
tmpc = c->dp + digs;
for (ix = digs; ix < pa; ix++) {
diff --git a/bn_mp_copy.c b/bn_mp_copy.c
index dc853b3..69e9464 100644
--- a/bn_mp_copy.c
+++ b/bn_mp_copy.c
@@ -35,7 +35,7 @@ mp_copy (mp_int * a, mp_int * b)
/* zero b and copy the parameters over */
{
- register mp_digit *tmpa, *tmpb;
+ mp_digit *tmpa, *tmpb;
/* pointer aliases */
diff --git a/bn_mp_div_2.c b/bn_mp_div_2.c
index 7df0457..d2a213f 100644
--- a/bn_mp_div_2.c
+++ b/bn_mp_div_2.c
@@ -30,7 +30,7 @@ int mp_div_2(mp_int * a, mp_int * b)
oldused = b->used;
b->used = a->used;
{
- register mp_digit r, rr, *tmpa, *tmpb;
+ mp_digit r, rr, *tmpa, *tmpb;
/* source alias */
tmpa = a->dp + b->used - 1;
diff --git a/bn_mp_div_2d.c b/bn_mp_div_2d.c
index d809447..5b9fb48 100644
--- a/bn_mp_div_2d.c
+++ b/bn_mp_div_2d.c
@@ -58,7 +58,7 @@ int mp_div_2d (mp_int * a, int b, mp_int * c, mp_int * d)
/* shift any bit count < DIGIT_BIT */
D = (mp_digit) (b % DIGIT_BIT);
if (D != 0) {
- register mp_digit *tmpc, mask, shift;
+ mp_digit *tmpc, mask, shift;
/* mask */
mask = (((mp_digit)1) << D) - 1;
diff --git a/bn_mp_karatsuba_mul.c b/bn_mp_karatsuba_mul.c
index 09ee401..d65e37e 100644
--- a/bn_mp_karatsuba_mul.c
+++ b/bn_mp_karatsuba_mul.c
@@ -82,8 +82,8 @@ int mp_karatsuba_mul (mp_int * a, mp_int * b, mp_int * c)
y1.used = b->used - B;
{
- register int x;
- register mp_digit *tmpa, *tmpb, *tmpx, *tmpy;
+ int x;
+ mp_digit *tmpa, *tmpb, *tmpx, *tmpy;
/* we copy the digits directly instead of using higher level functions
* since we also need to shift the digits
diff --git a/bn_mp_karatsuba_sqr.c b/bn_mp_karatsuba_sqr.c
index 1d9f883..739840d 100644
--- a/bn_mp_karatsuba_sqr.c
+++ b/bn_mp_karatsuba_sqr.c
@@ -52,8 +52,8 @@ int mp_karatsuba_sqr (mp_int * a, mp_int * b)
goto X0X0;
{
- register int x;
- register mp_digit *dst, *src;
+ int x;
+ mp_digit *dst, *src;
src = a->dp;
diff --git a/bn_mp_lshd.c b/bn_mp_lshd.c
index 0e0ea0a..f6f800f 100644
--- a/bn_mp_lshd.c
+++ b/bn_mp_lshd.c
@@ -33,7 +33,7 @@ int mp_lshd (mp_int * a, int b)
}
{
- register mp_digit *top, *bottom;
+ mp_digit *top, *bottom;
/* increment the used by the shift amount then copy upwards */
a->used += b;
diff --git a/bn_mp_montgomery_reduce.c b/bn_mp_montgomery_reduce.c
index d2a65c2..af2cc58 100644
--- a/bn_mp_montgomery_reduce.c
+++ b/bn_mp_montgomery_reduce.c
@@ -56,9 +56,9 @@ mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho)
/* a = a + mu * m * b**i */
{
- register int iy;
- register mp_digit *tmpn, *tmpx, u;
- register mp_word r;
+ int iy;
+ mp_digit *tmpn, *tmpx, u;
+ mp_word r;
/* alias for digits of the modulus */
tmpn = n->dp;
diff --git a/bn_mp_mul_2.c b/bn_mp_mul_2.c
index 0859c64..9c72c7f 100644
--- a/bn_mp_mul_2.c
+++ b/bn_mp_mul_2.c
@@ -31,7 +31,7 @@ int mp_mul_2(mp_int * a, mp_int * b)
b->used = a->used;
{
- register mp_digit r, rr, *tmpa, *tmpb;
+ mp_digit r, rr, *tmpa, *tmpb;
/* alias for source */
tmpa = a->dp;
diff --git a/bn_mp_mul_2d.c b/bn_mp_mul_2d.c
index 9506814..9967e46 100644
--- a/bn_mp_mul_2d.c
+++ b/bn_mp_mul_2d.c
@@ -44,8 +44,8 @@ int mp_mul_2d (mp_int * a, int b, mp_int * c)
/* shift any bit count < DIGIT_BIT */
d = (mp_digit) (b % DIGIT_BIT);
if (d != 0) {
- register mp_digit *tmpc, shift, mask, r, rr;
- register int x;
+ mp_digit *tmpc, shift, mask, r, rr;
+ int x;
/* bitmask for carries */
mask = (((mp_digit)1) << d) - 1;
diff --git a/bn_mp_rshd.c b/bn_mp_rshd.c
index 8ed6933..77b0f6c 100644
--- a/bn_mp_rshd.c
+++ b/bn_mp_rshd.c
@@ -32,7 +32,7 @@ void mp_rshd (mp_int * a, int b)
}
{
- register mp_digit *bottom, *top;
+ mp_digit *bottom, *top;
/* shift the digits down */
diff --git a/bn_s_mp_add.c b/bn_s_mp_add.c
index 47fdaf1..c2ad649 100644
--- a/bn_s_mp_add.c
+++ b/bn_s_mp_add.c
@@ -47,8 +47,8 @@ s_mp_add (mp_int * a, mp_int * b, mp_int * c)
c->used = max + 1;
{
- register mp_digit u, *tmpa, *tmpb, *tmpc;
- register int i;
+ mp_digit u, *tmpa, *tmpb, *tmpc;
+ int i;
/* alias for digit pointers */
diff --git a/bn_s_mp_sub.c b/bn_s_mp_sub.c
index 55260fe..c0ea556 100644
--- a/bn_s_mp_sub.c
+++ b/bn_s_mp_sub.c
@@ -35,8 +35,8 @@ s_mp_sub (mp_int * a, mp_int * b, mp_int * c)
c->used = max;
{
- register mp_digit u, *tmpa, *tmpb, *tmpc;
- register int i;
+ mp_digit u, *tmpa, *tmpb, *tmpc;
+ int i;
/* alias for digit pointers */
tmpa = a->dp;