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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /security/nss/lib/freebl/mpi/mpv_sparc.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'security/nss/lib/freebl/mpi/mpv_sparc.c')
-rw-r--r--security/nss/lib/freebl/mpi/mpv_sparc.c221
1 files changed, 221 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/mpi/mpv_sparc.c b/security/nss/lib/freebl/mpi/mpv_sparc.c
new file mode 100644
index 000000000..423311b65
--- /dev/null
+++ b/security/nss/lib/freebl/mpi/mpv_sparc.c
@@ -0,0 +1,221 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "vis_proto.h"
+
+/***************************************************************/
+
+typedef int t_s32;
+typedef unsigned int t_u32;
+#if defined(__sparcv9)
+typedef long t_s64;
+typedef unsigned long t_u64;
+#else
+typedef long long t_s64;
+typedef unsigned long long t_u64;
+#endif
+typedef double t_d64;
+
+/***************************************************************/
+
+typedef union {
+ t_d64 d64;
+ struct {
+ t_s32 i0;
+ t_s32 i1;
+ } i32s;
+} d64_2_i32;
+
+/***************************************************************/
+
+#define BUFF_SIZE 256
+
+#define A_BITS 19
+#define A_MASK ((1 << A_BITS) - 1)
+
+/***************************************************************/
+
+static t_u64 mask_cnst[] = {
+ 0x8000000080000000ull
+};
+
+/***************************************************************/
+
+#define DEF_VARS(N) \
+ t_d64 *py = (t_d64 *)y; \
+ t_d64 mask = *((t_d64 *)mask_cnst); \
+ t_d64 ca = (1u << 31) - 1; \
+ t_d64 da = (t_d64)a; \
+ t_s64 buff[N], s; \
+ d64_2_i32 dy
+
+/***************************************************************/
+
+#define MUL_U32_S64_2(i) \
+ dy.d64 = vis_fxnor(mask, py[i]); \
+ buff[2 * (i)] = (ca - (t_d64)dy.i32s.i0) * da; \
+ buff[2 * (i) + 1] = (ca - (t_d64)dy.i32s.i1) * da
+
+#define MUL_U32_S64_2_D(i) \
+ dy.d64 = vis_fxnor(mask, py[i]); \
+ d0 = ca - (t_d64)dy.i32s.i0; \
+ d1 = ca - (t_d64)dy.i32s.i1; \
+ buff[4 * (i)] = (t_s64)(d0 * da); \
+ buff[4 * (i) + 1] = (t_s64)(d0 * db); \
+ buff[4 * (i) + 2] = (t_s64)(d1 * da); \
+ buff[4 * (i) + 3] = (t_s64)(d1 * db)
+
+/***************************************************************/
+
+#define ADD_S64_U32(i) \
+ s = buff[i] + x[i] + c; \
+ z[i] = s; \
+ c = (s >> 32)
+
+#define ADD_S64_U32_D(i) \
+ s = buff[2 * (i)] + (((t_s64)(buff[2 * (i) + 1])) << A_BITS) + x[i] + uc; \
+ z[i] = s; \
+ uc = ((t_u64)s >> 32)
+
+/***************************************************************/
+
+#define MUL_U32_S64_8(i) \
+ MUL_U32_S64_2(i); \
+ MUL_U32_S64_2(i + 1); \
+ MUL_U32_S64_2(i + 2); \
+ MUL_U32_S64_2(i + 3)
+
+#define MUL_U32_S64_D_8(i) \
+ MUL_U32_S64_2_D(i); \
+ MUL_U32_S64_2_D(i + 1); \
+ MUL_U32_S64_2_D(i + 2); \
+ MUL_U32_S64_2_D(i + 3)
+
+/***************************************************************/
+
+#define ADD_S64_U32_8(i) \
+ ADD_S64_U32(i); \
+ ADD_S64_U32(i + 1); \
+ ADD_S64_U32(i + 2); \
+ ADD_S64_U32(i + 3); \
+ ADD_S64_U32(i + 4); \
+ ADD_S64_U32(i + 5); \
+ ADD_S64_U32(i + 6); \
+ ADD_S64_U32(i + 7)
+
+#define ADD_S64_U32_D_8(i) \
+ ADD_S64_U32_D(i); \
+ ADD_S64_U32_D(i + 1); \
+ ADD_S64_U32_D(i + 2); \
+ ADD_S64_U32_D(i + 3); \
+ ADD_S64_U32_D(i + 4); \
+ ADD_S64_U32_D(i + 5); \
+ ADD_S64_U32_D(i + 6); \
+ ADD_S64_U32_D(i + 7)
+
+/***************************************************************/
+
+t_u32
+mul_add(t_u32 *z, t_u32 *x, t_u32 *y, int n, t_u32 a)
+{
+ if (a < (1 << A_BITS)) {
+
+ if (n == 8) {
+ DEF_VARS(8);
+ t_s32 c = 0;
+
+ MUL_U32_S64_8(0);
+ ADD_S64_U32_8(0);
+
+ return c;
+
+ } else if (n == 16) {
+ DEF_VARS(16);
+ t_s32 c = 0;
+
+ MUL_U32_S64_8(0);
+ MUL_U32_S64_8(4);
+ ADD_S64_U32_8(0);
+ ADD_S64_U32_8(8);
+
+ return c;
+
+ } else {
+ DEF_VARS(BUFF_SIZE);
+ t_s32 i, c = 0;
+
+#pragma pipeloop(0)
+ for (i = 0; i < (n + 1) / 2; i++) {
+ MUL_U32_S64_2(i);
+ }
+
+#pragma pipeloop(0)
+ for (i = 0; i < n; i++) {
+ ADD_S64_U32(i);
+ }
+
+ return c;
+ }
+ } else {
+
+ if (n == 8) {
+ DEF_VARS(2 * 8);
+ t_d64 d0, d1, db;
+ t_u32 uc = 0;
+
+ da = (t_d64)(a & A_MASK);
+ db = (t_d64)(a >> A_BITS);
+
+ MUL_U32_S64_D_8(0);
+ ADD_S64_U32_D_8(0);
+
+ return uc;
+
+ } else if (n == 16) {
+ DEF_VARS(2 * 16);
+ t_d64 d0, d1, db;
+ t_u32 uc = 0;
+
+ da = (t_d64)(a & A_MASK);
+ db = (t_d64)(a >> A_BITS);
+
+ MUL_U32_S64_D_8(0);
+ MUL_U32_S64_D_8(4);
+ ADD_S64_U32_D_8(0);
+ ADD_S64_U32_D_8(8);
+
+ return uc;
+
+ } else {
+ DEF_VARS(2 * BUFF_SIZE);
+ t_d64 d0, d1, db;
+ t_u32 i, uc = 0;
+
+ da = (t_d64)(a & A_MASK);
+ db = (t_d64)(a >> A_BITS);
+
+#pragma pipeloop(0)
+ for (i = 0; i < (n + 1) / 2; i++) {
+ MUL_U32_S64_2_D(i);
+ }
+
+#pragma pipeloop(0)
+ for (i = 0; i < n; i++) {
+ ADD_S64_U32_D(i);
+ }
+
+ return uc;
+ }
+ }
+}
+
+/***************************************************************/
+
+t_u32
+mul_add_inp(t_u32 *x, t_u32 *y, int n, t_u32 a)
+{
+ return mul_add(x, x, y, n, a);
+}
+
+/***************************************************************/