altos: Rename 'core' to 'kernel'

[fw/altos] / src / core / ao_int64.c

diff --git a/src/core/ao_int64.c b/src/core/ao_int64.c
deleted file mode 100644 (file)
index aa23dbe..0000000
--- a/src/core/ao_int64.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * Copyright © 2013 Keith Packard <keithp@keithp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include <ao_int64.h>
-
-__pdata ao_int64_t *__data ao_64r, *__data ao_64a, *__data ao_64b;
-
-void ao_plus64(__pdata ao_int64_t *r, __pdata ao_int64_t *a, __pdata ao_int64_t *b) __FATTR {
-       __LOCAL uint32_t        t;
-
-       r->high = a->high + b->high;
-       t = a->low + b->low;
-       if (t < a->low)
-               r->high++;
-       r->low = t;
-}
-
-void ao_minus64(__pdata ao_int64_t *r, __pdata ao_int64_t *a, __pdata ao_int64_t *b) __FATTR {
-       __LOCAL uint32_t        t;
-
-       r->high = a->high - b->high;
-       t = a->low - b->low;
-       if (t > a->low)
-               r->high--;
-       r->low = t;
-}
-
-void ao_rshift64(__pdata ao_int64_t *r, __pdata ao_int64_t *a, uint8_t d) __FATTR {
-       if (d < 32) {
-               r->low = a->low >> d;
-               if (d)
-                       r->low |= a->high << (32 - d);
-               r->high = (int32_t) a->high >> d;
-       } else {
-               d &= 0x1f;
-               r->low = (int32_t) a->high >> d;
-               r->high = 0;
-       }
-}
-
-void ao_lshift64(__pdata ao_int64_t *r, __pdata ao_int64_t *a, uint8_t d) __FATTR {
-       if (d < 32) {
-               r->high = a->high << d;
-               if (d)
-                       r->high |= a->low >> (32 - d);
-               r->low = a->low << d;
-       } else {
-               d &= 0x1f;
-               r->high = a->low << d;
-               r->low = 0;
-       }
-}
-
-static void ao_umul64_32_32(__ARG ao_int64_t *r, uint32_t a, uint32_t b) __reentrant {
-       __LOCAL uint32_t        s;
-       __LOCAL ao_int64_t      t;
-       r->low = (uint32_t) (uint16_t) a * (uint16_t) b;
-       r->high = (uint32_t) (uint16_t) (a >> 16) * (uint16_t) (b >> 16);
-
-       s = (uint32_t) (uint16_t) (a >> 16) * (uint16_t) b;
-
-       t.high = s >> 16;
-       t.low = s << 16;
-       ao_plus64(r, r, &t);
-
-       s = (uint32_t) (uint16_t) a * (uint16_t) (b >> 16);
-
-       t.high = s >> 16;
-       t.low = s << 16;
-       ao_plus64(r, r, &t);
-}
-
-void ao_neg64(__pdata ao_int64_t *r, __pdata ao_int64_t *a) __FATTR {
-       r->high = ~a->high;
-       if (!(r->low = ~a->low + 1))
-               r->high++;
-}
-
-void ao_mul64_32_32(__ARG ao_int64_t *r, int32_t a, int32_t b) __FATTR {
-       uint8_t         negative = 0;
-
-       if (a < 0) {
-               a = -a;
-               ++negative;
-       }
-       if (b < 0) {
-               b = -b;
-               --negative;
-       }
-       ao_umul64_32_32(r, a, b);
-       if (negative)
-               ao_neg64(r, r);
-}
-
-static void ao_umul64(__ARG ao_int64_t *r, __ARG ao_int64_t *a, __ARG ao_int64_t *b) __reentrant {
-       __LOCAL ao_int64_t      r2, r3;
-
-       ao_umul64_32_32(&r2, a->high, b->low);
-       ao_umul64_32_32(&r3, a->low, b->high);
-       ao_umul64_32_32(r, a->low, b->low);
-
-       r->high += r2.low + r3.low;
-}
-
-static __ARG ao_int64_t        ap, bp;
-
-void ao_mul64(__ARG ao_int64_t *r, __ARG ao_int64_t *a, __ARG ao_int64_t *b) __FATTR {
-       uint8_t negative = 0;
-
-       if (ao_int64_negativep(a)) {
-               ao_neg64(&ap, a);
-               a = &ap;
-               ++negative;
-       }
-       if (ao_int64_negativep(b)) {
-               ao_neg64(&bp, b);
-               b = &bp;
-               --negative;
-       }
-       ao_umul64(r, a, b);
-       if (negative)
-               ao_neg64(r, r);
-}
-
-static void ao_umul64_64_16(__ARG ao_int64_t *r, __ARG ao_int64_t *a, uint16_t b) __reentrant {
-       __LOCAL uint32_t h;
-
-       h = a->high * b;
-       ao_umul64_32_32(r, a->low, b);
-       r->high += h;
-}
-
-void ao_mul64_64_16(__ARG ao_int64_t *r, __ARG ao_int64_t *a, __ARG uint16_t b) __FATTR {
-       uint8_t         negative = 0;
-
-       if ((int32_t) a->high < 0) {
-               ao_neg64(&ap, a);
-               a = &ap;
-               negative++;
-       } else
-               ao_umul64_64_16(r, a, b);
-       if (negative)
-               ao_neg64(r, r);
-}