Retune.

16 files changed, 373 insertions, 354 deletions

diff --git a/mpn/alpha/ev6/gmp-mparam.h b/mpn/alpha/ev6/gmp-mparam.h
index b330793e6..e2029514d 100644
--- a/mpn/alpha/ev6/gmp-mparam.h
+++ b/mpn/alpha/ev6/gmp-mparam.h
@@ -23,40 +23,40 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 #define DIVEXACT_BY3_METHOD 0	/* override ../diveby3.asm */
 
-/* 500 MHz 21164 */
+/* 500 MHz 21164 (agnesi.math.su.se) */
 
-/* Generated by tuneup.c, 2009-11-24, gcc 3.3 */
+/* Generated by tuneup.c, 2009-11-29, gcc 3.3 */
 
-#define MUL_TOOM22_THRESHOLD             37
-#define MUL_TOOM33_THRESHOLD             89
-#define MUL_TOOM44_THRESHOLD            160
+#define MUL_TOOM22_THRESHOLD             32
+#define MUL_TOOM33_THRESHOLD             73
+#define MUL_TOOM44_THRESHOLD            166
 
-#define SQR_BASECASE_THRESHOLD            6
+#define SQR_BASECASE_THRESHOLD            5
 #define SQR_TOOM2_THRESHOLD              60
-#define SQR_TOOM3_THRESHOLD             109
-#define SQR_TOOM4_THRESHOLD             172
+#define SQR_TOOM3_THRESHOLD             105
+#define SQR_TOOM4_THRESHOLD             167
 
-#define MUL_FFT_TABLE  { 336, 736, 1856, 3328, 9216, 28672, 81920, 327680, 0 }
-#define MUL_FFT_MODF_THRESHOLD          352
-#define MUL_FFT_THRESHOLD              5632
+#define MUL_FFT_TABLE  { 304, 864, 1728, 3328, 9216, 28672, 147456, 327680, 0 }
+#define MUL_FFT_MODF_THRESHOLD          432
+#define MUL_FFT_THRESHOLD              3968
 
-#define SQR_FFT_TABLE  { 432, 864, 1728, 3840, 9216, 20480, 81920, 327680, 0 }
+#define SQR_FFT_TABLE  { 400, 864, 1600, 3840, 9216, 28672, 114688, 327680, 0 }
 #define SQR_FFT_MODF_THRESHOLD          376
-#define SQR_FFT_THRESHOLD              3968
+#define SQR_FFT_THRESHOLD              3712
 
 #define MULLOW_BASECASE_THRESHOLD         0  /* always */
-#define MULLOW_DC_THRESHOLD             113
-#define MULLOW_MUL_N_THRESHOLD        10970
+#define MULLOW_DC_THRESHOLD             129
+#define MULLOW_MUL_N_THRESHOLD         7842
 
 #define MULMOD_BNM1_THRESHOLD            16
 
-#define DC_DIV_QR_THRESHOLD             112
-#define REDC_1_TO_REDC_N_THRESHOLD      195
+#define DC_DIV_QR_THRESHOLD             118
+#define REDC_1_TO_REDC_N_THRESHOLD      122
 
-#define MATRIX22_STRASSEN_THRESHOLD      21
-#define HGCD_THRESHOLD                  290
-#define GCD_DC_THRESHOLD               1194
-#define GCDEXT_DC_THRESHOLD            1105
+#define MATRIX22_STRASSEN_THRESHOLD      19
+#define HGCD_THRESHOLD                  300
+#define GCD_DC_THRESHOLD               1421
+#define GCDEXT_DC_THRESHOLD            1063
 #define JACOBI_BASE_METHOD                3
 
 #define DIVREM_1_NORM_THRESHOLD           0  /* preinv always */
@@ -64,14 +64,14 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define MOD_1_NORM_THRESHOLD              0  /* always */
 #define MOD_1_UNNORM_THRESHOLD            0  /* always */
 #define MOD_1_1_THRESHOLD                 2
-#define MOD_1_2_THRESHOLD                 7
-#define MOD_1_4_THRESHOLD                31
+#define MOD_1_2_THRESHOLD                 6
+#define MOD_1_4_THRESHOLD                30
 #define USE_PREINV_DIVREM_1               1  /* preinv always */
 #define USE_PREINV_MOD_1                  1  /* preinv always */
 #define DIVEXACT_1_THRESHOLD              0  /* always */
 #define MODEXACT_1_ODD_THRESHOLD      MP_SIZE_T_MAX  /* never */
 
-#define GET_STR_DC_THRESHOLD             19
-#define GET_STR_PRECOMPUTE_THRESHOLD     24
-#define SET_STR_DC_THRESHOLD           3828
-#define SET_STR_PRECOMPUTE_THRESHOLD   9861
+#define GET_STR_DC_THRESHOLD             18
+#define GET_STR_PRECOMPUTE_THRESHOLD     23
+#define SET_STR_DC_THRESHOLD           2797
+#define SET_STR_PRECOMPUTE_THRESHOLD  10681
diff --git a/mpn/arm/gmp-mparam.h b/mpn/arm/gmp-mparam.h
index 8e08a3dea..136e0de85 100644
--- a/mpn/arm/gmp-mparam.h
+++ b/mpn/arm/gmp-mparam.h
@@ -23,7 +23,7 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 /* 593MHz ARM (gcc50.fsffrance.org) */
 
-/* Generated by tuneup.c, 2009-11-26, gcc 4.3 */
+/* Generated by tuneup.c, 2009-11-29, gcc 4.3 */
 
 #define MUL_TOOM22_THRESHOLD             34
 #define MUL_TOOM33_THRESHOLD            121
@@ -34,27 +34,27 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define SQR_TOOM3_THRESHOLD             141
 #define SQR_TOOM4_THRESHOLD             212
 
-#define MUL_FFT_TABLE  { 368, 928, 1664, 4608, 14336, 40960, 163840, 655360, 0 }
+#define MUL_FFT_TABLE  { 368, 928, 1920, 4608, 14336, 40960, 163840, 655360, 0 }
 #define MUL_FFT_MODF_THRESHOLD          384
-#define MUL_FFT_THRESHOLD              6400
+#define MUL_FFT_THRESHOLD              6912
 
 #define SQR_FFT_TABLE  { 432, 928, 1664, 4608, 10240, 40960, 163840, 655360, 0 }
-#define SQR_FFT_MODF_THRESHOLD          392
+#define SQR_FFT_MODF_THRESHOLD          376
 #define SQR_FFT_THRESHOLD              7168
 
 #define MULLOW_BASECASE_THRESHOLD         0  /* always */
 #define MULLOW_DC_THRESHOLD             120
-#define MULLOW_MUL_N_THRESHOLD         6933
+#define MULLOW_MUL_N_THRESHOLD        11138
 
 #define MULMOD_BNM1_THRESHOLD            20
 
-#define DC_DIV_QR_THRESHOLD             140
-#define REDC_1_TO_REDC_N_THRESHOLD      230
+#define DC_DIV_QR_THRESHOLD             132
+#define REDC_1_TO_REDC_N_THRESHOLD      123
 
 #define MATRIX22_STRASSEN_THRESHOLD      19
-#define HGCD_THRESHOLD                   99
-#define GCD_DC_THRESHOLD                693
-#define GCDEXT_DC_THRESHOLD             642
+#define HGCD_THRESHOLD                  106
+#define GCD_DC_THRESHOLD                706
+#define GCDEXT_DC_THRESHOLD             630
 #define JACOBI_BASE_METHOD                2
 
 #define DIVREM_1_NORM_THRESHOLD           0  /* preinv always */
@@ -71,6 +71,6 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define MODEXACT_1_ODD_THRESHOLD      MP_SIZE_T_MAX  /* never */
 
 #define GET_STR_DC_THRESHOLD             14
-#define GET_STR_PRECOMPUTE_THRESHOLD     29
-#define SET_STR_DC_THRESHOLD            321
+#define GET_STR_PRECOMPUTE_THRESHOLD     28
+#define SET_STR_DC_THRESHOLD            309
 #define SET_STR_PRECOMPUTE_THRESHOLD   1037
diff --git a/mpn/ia64/gmp-mparam.h b/mpn/ia64/gmp-mparam.h
index 5f929b8f8..9c5587525 100644
--- a/mpn/ia64/gmp-mparam.h
+++ b/mpn/ia64/gmp-mparam.h
@@ -23,38 +23,38 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 /* 1300MHz Itanium2 (babe.fsffrance.org) */
 
-/* Generated by tuneup.c, 2009-11-25, gcc 4.2 */
+/* Generated by tuneup.c, 2009-11-29, gcc 4.2 */
 
 #define MUL_TOOM22_THRESHOLD             44
 #define MUL_TOOM33_THRESHOLD             89
-#define MUL_TOOM44_THRESHOLD            220
+#define MUL_TOOM44_THRESHOLD            232
 
-#define SQR_BASECASE_THRESHOLD           25
+#define SQR_BASECASE_THRESHOLD           26
 #define SQR_TOOM2_THRESHOLD             119
-#define SQR_TOOM3_THRESHOLD             145
-#define SQR_TOOM4_THRESHOLD             288
+#define SQR_TOOM3_THRESHOLD             141
+#define SQR_TOOM4_THRESHOLD             284
 
 #define MUL_FFT_TABLE  { 528, 1120, 1856, 3840, 11264, 28672, 114688, 327680, 0 }
-#define MUL_FFT_MODF_THRESHOLD          720
+#define MUL_FFT_MODF_THRESHOLD          624
 #define MUL_FFT_THRESHOLD              7680
 
 #define SQR_FFT_TABLE  { 592, 1248, 2368, 3840, 11264, 28672, 81920, 327680, 0 }
 #define SQR_FFT_MODF_THRESHOLD          608
 #define SQR_FFT_THRESHOLD              4992
 
-#define MULLOW_BASECASE_THRESHOLD        19
-#define MULLOW_DC_THRESHOLD              91
+#define MULLOW_BASECASE_THRESHOLD        17
+#define MULLOW_DC_THRESHOLD              88
 #define MULLOW_MUL_N_THRESHOLD        15280
 
 #define MULMOD_BNM1_THRESHOLD            24
 
-#define DC_DIV_QR_THRESHOLD              69
+#define DC_DIV_QR_THRESHOLD              64
 #define REDC_1_TO_REDC_2_THRESHOLD       10
-#define REDC_2_TO_REDC_N_THRESHOLD      272
+#define REDC_2_TO_REDC_N_THRESHOLD      172
 
-#define MATRIX22_STRASSEN_THRESHOLD      26
+#define MATRIX22_STRASSEN_THRESHOLD      23
 #define HGCD_THRESHOLD                  116
-#define GCD_DC_THRESHOLD                465
+#define GCD_DC_THRESHOLD                501
 #define GCDEXT_DC_THRESHOLD             584
 #define JACOBI_BASE_METHOD                2
 
@@ -62,13 +62,13 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define MOD_1_UNNORM_THRESHOLD            0  /* always */
 #define MOD_1_1_THRESHOLD                 9
 #define MOD_1_2_THRESHOLD                10
-#define MOD_1_4_THRESHOLD                14
+#define MOD_1_4_THRESHOLD                16
 #define USE_PREINV_DIVREM_1               1  /* native */
 #define USE_PREINV_MOD_1                  1  /* preinv always */
 #define DIVEXACT_1_THRESHOLD              0  /* always (native) */
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always */
 
-#define GET_STR_DC_THRESHOLD             14
-#define GET_STR_PRECOMPUTE_THRESHOLD     22
-#define SET_STR_DC_THRESHOLD           1502
-#define SET_STR_PRECOMPUTE_THRESHOLD   3489
+#define GET_STR_DC_THRESHOLD             15
+#define GET_STR_PRECOMPUTE_THRESHOLD     21
+#define SET_STR_DC_THRESHOLD           1339
+#define SET_STR_PRECOMPUTE_THRESHOLD   3565
diff --git a/mpn/pa32/hppa2_0/gmp-mparam.h b/mpn/pa32/hppa2_0/gmp-mparam.h
index 1cfd70b1d..d4ff81c8c 100644
--- a/mpn/pa32/hppa2_0/gmp-mparam.h
+++ b/mpn/pa32/hppa2_0/gmp-mparam.h
@@ -21,53 +21,56 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define GMP_LIMB_BITS 32
 #define BYTES_PER_MP_LIMB 4
 
-/* Generated by tuneup.c, 2009-03-05, gcc 4.3 */
+/* 552 MHz PA8600 (gcc61.fsffrance.org) */
 
-#define MUL_TOOM22_THRESHOLD             15
-#define MUL_TOOM33_THRESHOLD             98
+/* Generated by tuneup.c, 2009-11-29, gcc 4.2 */
+
+#define MUL_TOOM22_THRESHOLD             22
+#define MUL_TOOM33_THRESHOLD            104
 #define MUL_TOOM44_THRESHOLD            158
 
 #define SQR_BASECASE_THRESHOLD            6
-#define SQR_TOOM2_THRESHOLD              48
-#define SQR_TOOM3_THRESHOLD              97
-#define SQR_TOOM4_THRESHOLD             232
+#define SQR_TOOM2_THRESHOLD              51
+#define SQR_TOOM3_THRESHOLD              89
+#define SQR_TOOM4_THRESHOLD             250
+
+#define MUL_FFT_TABLE  { 304, 672, 1152, 2560, 6144, 24576, 98304, 393216, 0 }
+#define MUL_FFT_MODF_THRESHOLD          232
+#define MUL_FFT_THRESHOLD              1792
+
+#define SQR_FFT_TABLE  { 304, 672, 1152, 2560, 6144, 24576, 98304, 393216, 0 }
+#define SQR_FFT_MODF_THRESHOLD          232
+#define SQR_FFT_THRESHOLD              1792
 
 #define MULLOW_BASECASE_THRESHOLD         0  /* always */
-#define MULLOW_DC_THRESHOLD              92
-#define MULLOW_MUL_N_THRESHOLD          363
+#define MULLOW_DC_THRESHOLD              90
+#define MULLOW_MUL_N_THRESHOLD         2350
 
-#define DIV_SB_PREINV_THRESHOLD           4
-#define DIV_DC_THRESHOLD                 92
-#define POWM_THRESHOLD                  142
+#define MULMOD_BNM1_THRESHOLD            16
 
-#define MATRIX22_STRASSEN_THRESHOLD      17
-#define HGCD_THRESHOLD                  100
-#define GCD_DC_THRESHOLD                365
-#define GCDEXT_DC_THRESHOLD             339
+#define DC_DIV_QR_THRESHOLD             100
+#define REDC_1_TO_REDC_N_THRESHOLD       89
+
+#define MATRIX22_STRASSEN_THRESHOLD      11
+#define HGCD_THRESHOLD                  101
+#define GCD_DC_THRESHOLD                368
+#define GCDEXT_DC_THRESHOLD             330
 #define JACOBI_BASE_METHOD                2
 
-#define DIVREM_1_NORM_THRESHOLD           3
-#define DIVREM_1_UNNORM_THRESHOLD         5
+#define DIVREM_1_NORM_THRESHOLD           0  /* always */
+#define DIVREM_1_UNNORM_THRESHOLD         4
 #define MOD_1_NORM_THRESHOLD              4
-#define MOD_1_UNNORM_THRESHOLD            5
-#define MOD_1_1_THRESHOLD                 6
-#define MOD_1_2_THRESHOLD                 9
-#define MOD_1_4_THRESHOLD                24
+#define MOD_1_UNNORM_THRESHOLD            4
+#define MOD_1_1_THRESHOLD                12
+#define MOD_1_2_THRESHOLD                13
+#define MOD_1_4_THRESHOLD                18
 #define USE_PREINV_DIVREM_1               1
-#define USE_PREINV_MOD_1                  1
+#define USE_PREINV_MOD_1                  0
 #define DIVREM_2_THRESHOLD                0  /* always */
 #define DIVEXACT_1_THRESHOLD              0  /* always */
 #define MODEXACT_1_ODD_THRESHOLD      MP_SIZE_T_MAX  /* never */
 
-#define GET_STR_DC_THRESHOLD              8
-#define GET_STR_PRECOMPUTE_THRESHOLD     13
+#define GET_STR_DC_THRESHOLD              7
+#define GET_STR_PRECOMPUTE_THRESHOLD     14
 #define SET_STR_DC_THRESHOLD            224
 #define SET_STR_PRECOMPUTE_THRESHOLD    702
-
-#define MUL_FFT_TABLE  { 272, 672, 896, 2560, 6144, 24576, 98304, 393216, 0 }
-#define MUL_FFT_MODF_THRESHOLD          232
-#define MUL_FFT_THRESHOLD              1792
-
-#define SQR_FFT_TABLE  { 304, 672, 1152, 2560, 10240, 24576, 98304, 393216, 0 }
-#define SQR_FFT_MODF_THRESHOLD          232
-#define SQR_FFT_THRESHOLD              1792
diff --git a/mpn/pa64/gmp-mparam.h b/mpn/pa64/gmp-mparam.h
index e8e11f32c..17a1509e7 100644
--- a/mpn/pa64/gmp-mparam.h
+++ b/mpn/pa64/gmp-mparam.h
@@ -1,6 +1,6 @@
 /* gmp-mparam.h -- Compiler/machine parameter header file.
 
-Copyright 1991, 1993, 1994, 1999, 2000, 2001, 2002, 2003, 2004, 2008
+Copyright 1991, 1993, 1994, 1999, 2000, 2001, 2002, 2003, 2004, 2008, 2009
 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
@@ -23,50 +23,54 @@ with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 /* 440MHz PA8200 */
 
-/* Generated by tuneup.c, 2009-01-04, system compiler */
+/* Generated by tuneup.c, 2009-11-29, system compiler */
 
 #define MUL_TOOM22_THRESHOLD             30
-#define MUL_TOOM33_THRESHOLD            114
-#define MUL_TOOM44_THRESHOLD            244
+#define MUL_TOOM33_THRESHOLD            113
+#define MUL_TOOM44_THRESHOLD            195
 
 #define SQR_BASECASE_THRESHOLD            4
-#define SQR_TOOM2_THRESHOLD              58
-#define SQR_TOOM3_THRESHOLD             174
-#define SQR_TOOM4_THRESHOLD             312
+#define SQR_TOOM2_THRESHOLD              56
+#define SQR_TOOM3_THRESHOLD             169
+#define SQR_TOOM4_THRESHOLD             284
+
+#define MUL_FFT_TABLE  { 336, 800, 1600, 2816, 7168, 20480, 81920, 327680, 0 }
+#define MUL_FFT_MODF_THRESHOLD          280
+#define MUL_FFT_THRESHOLD              1664
+
+#define SQR_FFT_TABLE  { 368, 800, 1728, 3328, 7168, 20480, 81920, 327680, 786432, 0 }
+#define SQR_FFT_MODF_THRESHOLD          264
+#define SQR_FFT_THRESHOLD              1792
 
 #define MULLOW_BASECASE_THRESHOLD         0  /* always */
-#define MULLOW_DC_THRESHOLD             142
-#define MULLOW_MUL_N_THRESHOLD          507
+#define MULLOW_DC_THRESHOLD             111
+#define MULLOW_MUL_N_THRESHOLD         2764
+
+#define MULMOD_BNM1_THRESHOLD            16
 
-#define DIV_SB_PREINV_THRESHOLD           0  /* always */
-#define DIV_DC_THRESHOLD                124
-#define POWM_THRESHOLD                  224
+#define DC_DIV_QR_THRESHOLD             140
+#define REDC_1_TO_REDC_N_THRESHOLD      121
 
 #define MATRIX22_STRASSEN_THRESHOLD      11
-#define HGCD_THRESHOLD                  294
-#define GCD_DC_THRESHOLD                913
-#define GCDEXT_DC_THRESHOLD             830
+#define HGCD_THRESHOLD                  244
+#define GCD_DC_THRESHOLD                744
+#define GCDEXT_DC_THRESHOLD             744
 #define JACOBI_BASE_METHOD                2
 
 #define DIVREM_1_NORM_THRESHOLD           0  /* always */
 #define DIVREM_1_UNNORM_THRESHOLD         0  /* always */
 #define MOD_1_NORM_THRESHOLD              0  /* always */
 #define MOD_1_UNNORM_THRESHOLD            0  /* always */
+#define MOD_1_1_THRESHOLD             MP_SIZE_T_MAX  /* never */
+#define MOD_1_2_THRESHOLD             MP_SIZE_T_MAX  /* never */
+#define MOD_1_4_THRESHOLD             MP_SIZE_T_MAX  /* never */
 #define USE_PREINV_DIVREM_1               1
 #define USE_PREINV_MOD_1                  1
 #define DIVREM_2_THRESHOLD                0  /* always */
 #define DIVEXACT_1_THRESHOLD              0  /* always */
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always */
 
-#define GET_STR_DC_THRESHOLD             23
-#define GET_STR_PRECOMPUTE_THRESHOLD     26
-#define SET_STR_DC_THRESHOLD           2743
-#define SET_STR_PRECOMPUTE_THRESHOLD   5147
-
-#define MUL_FFT_TABLE  { 400, 800, 1600, 2816, 7168, 20480, 81920, 327680, 0 }
-#define MUL_FFT_MODF_THRESHOLD          280
-#define MUL_FFT_THRESHOLD              1664
-
-#define SQR_FFT_TABLE  { 368, 800, 1728, 3328, 7168, 20480, 81920, 327680, 786432, 0 }
-#define SQR_FFT_MODF_THRESHOLD          264
-#define SQR_FFT_THRESHOLD              1632
+#define GET_STR_DC_THRESHOLD             20
+#define GET_STR_PRECOMPUTE_THRESHOLD     23
+#define SET_STR_DC_THRESHOLD           2008
+#define SET_STR_PRECOMPUTE_THRESHOLD   4066
diff --git a/mpn/powerpc32/750/gmp-mparam.h b/mpn/powerpc32/750/gmp-mparam.h
index 23a0a0500..752b23285 100644
--- a/mpn/powerpc32/750/gmp-mparam.h
+++ b/mpn/powerpc32/750/gmp-mparam.h
@@ -1,6 +1,6 @@
 /* PowerPC-32 gmp-mparam.h -- Compiler/machine parameter header file.
 
-Copyright 2002, 2004 Free Software Foundation, Inc.
+Copyright 2002, 2004, 2009 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
@@ -26,49 +26,53 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 /* 450 MHz PPC 7400 */
 
-/* Generated by tuneup.c, 2008-12-23, gcc 4.0 */
+/* Generated by tuneup.c, 2009-11-29, gcc 4.0 */
 
 #define MUL_TOOM22_THRESHOLD             10
-#define MUL_TOOM33_THRESHOLD             41
-#define MUL_TOOM44_THRESHOLD             88
+#define MUL_TOOM33_THRESHOLD             38
+#define MUL_TOOM44_THRESHOLD             99
 
 #define SQR_BASECASE_THRESHOLD            4
 #define SQR_TOOM2_THRESHOLD              18
 #define SQR_TOOM3_THRESHOLD              57
-#define SQR_TOOM4_THRESHOLD              88
+#define SQR_TOOM4_THRESHOLD             143
+
+#define MUL_FFT_TABLE  { 240, 672, 896, 2560, 6144, 40960, 98304, 393216, 0 }
+#define MUL_FFT_MODF_THRESHOLD          232
+#define MUL_FFT_THRESHOLD              2816
+
+#define SQR_FFT_TABLE  { 240, 544, 896, 2560, 6144, 24576, 98304, 393216, 0 }
+#define SQR_FFT_MODF_THRESHOLD          216
+#define SQR_FFT_THRESHOLD              2304
 
 #define MULLOW_BASECASE_THRESHOLD         0  /* always */
-#define MULLOW_DC_THRESHOLD              32
-#define MULLOW_MUL_N_THRESHOLD          194
+#define MULLOW_DC_THRESHOLD              33
+#define MULLOW_MUL_N_THRESHOLD         5472
+
+#define MULMOD_BNM1_THRESHOLD            12
 
-#define DIV_SB_PREINV_THRESHOLD           0  /* always */
-#define DIV_DC_THRESHOLD                 33
-#define POWM_THRESHOLD                   48
+#define DC_DIV_QR_THRESHOLD              31
+#define REDC_1_TO_REDC_N_THRESHOLD       43
 
-#define MATRIX22_STRASSEN_THRESHOLD      13
-#define HGCD_THRESHOLD                   91
-#define GCD_DC_THRESHOLD                256
-#define GCDEXT_DC_THRESHOLD             256
+#define MATRIX22_STRASSEN_THRESHOLD      11
+#define HGCD_THRESHOLD                   90
+#define GCD_DC_THRESHOLD                253
+#define GCDEXT_DC_THRESHOLD             268
 #define JACOBI_BASE_METHOD                1
 
 #define DIVREM_1_NORM_THRESHOLD           0  /* always */
 #define DIVREM_1_UNNORM_THRESHOLD         0  /* always */
 #define MOD_1_NORM_THRESHOLD              0  /* always */
 #define MOD_1_UNNORM_THRESHOLD            0  /* always */
+#define MOD_1_1_THRESHOLD                 4
+#define MOD_1_2_THRESHOLD             MP_SIZE_T_MAX  /* never */
+#define MOD_1_4_THRESHOLD             MP_SIZE_T_MAX  /* never */
 #define USE_PREINV_DIVREM_1               1
 #define USE_PREINV_MOD_1                  1
 #define DIVEXACT_1_THRESHOLD              0  /* always */
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */
 
-#define GET_STR_DC_THRESHOLD             13
+#define GET_STR_DC_THRESHOLD             12
 #define GET_STR_PRECOMPUTE_THRESHOLD     27
-#define SET_STR_DC_THRESHOLD            390
-#define SET_STR_PRECOMPUTE_THRESHOLD    814
-
-#define MUL_FFT_TABLE  { 240, 608, 896, 2560, 6144, 40960, 0 }
-#define MUL_FFT_MODF_THRESHOLD          232
-#define MUL_FFT_THRESHOLD              1792
-
-#define SQR_FFT_TABLE  { 240, 544, 896, 2560, 6144, 24576, 0 }
-#define SQR_FFT_MODF_THRESHOLD          216
-#define SQR_FFT_THRESHOLD              1792
+#define SET_STR_DC_THRESHOLD            387
+#define SET_STR_PRECOMPUTE_THRESHOLD    824
diff --git a/mpn/powerpc32/gmp-mparam.h b/mpn/powerpc32/gmp-mparam.h
index a0e40edad..cfcf9dd1c 100644
--- a/mpn/powerpc32/gmp-mparam.h
+++ b/mpn/powerpc32/gmp-mparam.h
@@ -32,7 +32,7 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 /* 1417 MHz PPC 7447A */
 
-/* Generated by tuneup.c, 2009-01-14, gcc 4.3 */
+/* Generated by tuneup.c, 2009-11-29, gcc 4.3 */
 
 #define MUL_TOOM22_THRESHOLD             14
 #define MUL_TOOM33_THRESHOLD             73
@@ -43,41 +43,42 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define SQR_TOOM3_THRESHOLD              77
 #define SQR_TOOM4_THRESHOLD             130
 
+#define MUL_FFT_TABLE  { 304, 672, 896, 2560, 6144, 24576, 98304, 393216, 0 }
+#define MUL_FFT_MODF_THRESHOLD          320
+#define MUL_FFT_THRESHOLD              2816
+
+#define SQR_FFT_TABLE  { 272, 672, 1152, 2560, 10240, 24576, 98304, 393216, 0 }
+#define SQR_FFT_MODF_THRESHOLD          288
+#define SQR_FFT_THRESHOLD              2304
+
 #define MULLOW_BASECASE_THRESHOLD         0  /* always */
-#define MULLOW_DC_THRESHOLD              52
-#define MULLOW_MUL_N_THRESHOLD          292
+#define MULLOW_DC_THRESHOLD              45
+#define MULLOW_MUL_N_THRESHOLD         5472
+
+#define MULMOD_BNM1_THRESHOLD            12
 
-#define DIV_SB_PREINV_THRESHOLD           0  /* always */
-#define DIV_DC_THRESHOLD                 46
-#define POWM_THRESHOLD                   87
+#define DC_DIV_QR_THRESHOLD              43
+#define REDC_1_TO_REDC_N_THRESHOLD       59
 
 #define MATRIX22_STRASSEN_THRESHOLD      15
-#define HGCD_THRESHOLD                  127
-#define GCD_DC_THRESHOLD                361
-#define GCDEXT_DC_THRESHOLD             382
+#define HGCD_THRESHOLD                  123
+#define GCD_DC_THRESHOLD                354
+#define GCDEXT_DC_THRESHOLD             368
 #define JACOBI_BASE_METHOD                1
 
 #define DIVREM_1_NORM_THRESHOLD           0  /* always */
 #define DIVREM_1_UNNORM_THRESHOLD         0  /* always */
 #define MOD_1_NORM_THRESHOLD              0  /* always */
 #define MOD_1_UNNORM_THRESHOLD            0  /* always */
-#define MOD_1_1_THRESHOLD                 7
-#define MOD_1_2_THRESHOLD                21
-#define MOD_1_4_THRESHOLD                68
+#define MOD_1_1_THRESHOLD                 6
+#define MOD_1_2_THRESHOLD                15
+#define MOD_1_4_THRESHOLD                74
 #define USE_PREINV_DIVREM_1               1
-#define USE_PREINV_MOD_1                  1
+#define USE_PREINV_MOD_1                  0
 #define DIVEXACT_1_THRESHOLD              0  /* always */
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */
 
-#define GET_STR_DC_THRESHOLD             22
-#define GET_STR_PRECOMPUTE_THRESHOLD     42
+#define GET_STR_DC_THRESHOLD             17
+#define GET_STR_PRECOMPUTE_THRESHOLD     37
 #define SET_STR_DC_THRESHOLD            788
-#define SET_STR_PRECOMPUTE_THRESHOLD   1554
-
-#define MUL_FFT_TABLE  { 304, 672, 1152, 2560, 6144, 24576, 0 }
-#define MUL_FFT_MODF_THRESHOLD          320
-#define MUL_FFT_THRESHOLD              2816
-
-#define SQR_FFT_TABLE  { 272, 672, 1152, 2560, 10240, 24576, 0 }
-#define SQR_FFT_MODF_THRESHOLD          288
-#define SQR_FFT_THRESHOLD              2304
+#define SET_STR_PRECOMPUTE_THRESHOLD   1495
diff --git a/mpn/sparc64/gmp-mparam.h b/mpn/sparc64/gmp-mparam.h
index 88f387240..b7effbbb2 100644
--- a/mpn/sparc64/gmp-mparam.h
+++ b/mpn/sparc64/gmp-mparam.h
@@ -21,55 +21,57 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define GMP_LIMB_BITS 64
 #define BYTES_PER_MP_LIMB 8
 
-/* Generated by tuneup.c, 2009-01-15, gcc 3.4 */
+/* 500 MHz ultrasparc2 running GNU/Linux */
+
+/* Generated by tuneup.c, 2009-11-29, gcc 4.1 */
 
 #define MUL_TOOM22_THRESHOLD             30
-#define MUL_TOOM33_THRESHOLD             93
-#define MUL_TOOM44_THRESHOLD            142
+#define MUL_TOOM33_THRESHOLD            171
+#define MUL_TOOM44_THRESHOLD            256
 
-#define SQR_BASECASE_THRESHOLD            9
-#define SQR_TOOM2_THRESHOLD              70
-#define SQR_TOOM3_THRESHOLD              99
-#define SQR_TOOM4_THRESHOLD             175
+#define SQR_BASECASE_THRESHOLD           10
+#define SQR_TOOM2_THRESHOLD              71
+#define SQR_TOOM3_THRESHOLD             116
+#define SQR_TOOM4_THRESHOLD             336
 
-#define MUL_FFT_TABLE  { 240, 480, 1344, 2304, 5120, 12288, 81920, 327680, 786432, 0 }
-#define MUL_FFT_MODF_THRESHOLD          216
+#define MUL_FFT_TABLE  { 240, 608, 1600, 2816, 7168, 20480, 81920, 196608, 786432, 0 }
+#define MUL_FFT_MODF_THRESHOLD          184
 #define MUL_FFT_THRESHOLD              1664
 
-#define SQR_FFT_TABLE  { 304, 608, 1344, 2304, 7168, 12288, 81920, 327680, 0 }
-#define SQR_FFT_MODF_THRESHOLD          216
-#define SQR_FFT_THRESHOLD              1408
+#define SQR_FFT_TABLE  { 336, 672, 1600, 2816, 7168, 20480, 49152, 196608, 786432, 0 }
+#define SQR_FFT_MODF_THRESHOLD          200
+#define SQR_FFT_THRESHOLD              1536
 
-#define MULLOW_BASECASE_THRESHOLD        11
-#define MULLOW_DC_THRESHOLD               0  /* never mpn_mullow_basecase */
-#define MULLOW_MUL_N_THRESHOLD         2350
+#define MULLOW_BASECASE_THRESHOLD        18
+#define MULLOW_DC_THRESHOLD              33
+#define MULLOW_MUL_N_THRESHOLD         3152
 
-#define MULMOD_BNM1_THRESHOLD            12
+#define MULMOD_BNM1_THRESHOLD            16
 
-#define DC_DIV_QR_THRESHOLD              15
-#define REDC_2_THRESHOLD                 10
-#define REDC_N_THRESHOLD                190
+#define DC_DIV_QR_THRESHOLD              27
+#define REDC_1_TO_REDC_2_THRESHOLD       10
+#define REDC_2_TO_REDC_N_THRESHOLD      107
 
 #define MATRIX22_STRASSEN_THRESHOLD      12
-#define HGCD_THRESHOLD                   47
-#define GCD_DC_THRESHOLD                130
-#define GCDEXT_DC_THRESHOLD             183
+#define HGCD_THRESHOLD                   56
+#define GCD_DC_THRESHOLD                283
+#define GCDEXT_DC_THRESHOLD             198
 #define JACOBI_BASE_METHOD                3
 
-#define DIVREM_1_NORM_THRESHOLD           0  /* always */
-#define DIVREM_1_UNNORM_THRESHOLD         0  /* always */
-#define MOD_1_NORM_THRESHOLD              0  /* always */
-#define MOD_1_UNNORM_THRESHOLD            0  /* always */
-#define MOD_1_1_THRESHOLD             MP_SIZE_T_MAX  /* never */
+#define DIVREM_1_NORM_THRESHOLD           3
+#define DIVREM_1_UNNORM_THRESHOLD         3
+#define MOD_1_NORM_THRESHOLD              3
+#define MOD_1_UNNORM_THRESHOLD            3
+#define MOD_1_1_THRESHOLD                 5
 #define MOD_1_2_THRESHOLD             MP_SIZE_T_MAX  /* never */
 #define MOD_1_4_THRESHOLD             MP_SIZE_T_MAX  /* never */
 #define USE_PREINV_DIVREM_1               1
 #define USE_PREINV_MOD_1                  1
-#define DIVREM_2_THRESHOLD                0  /* always */
+#define DIVREM_2_THRESHOLD                7
 #define DIVEXACT_1_THRESHOLD              0  /* always */
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always */
 
-#define GET_STR_DC_THRESHOLD             18
-#define GET_STR_PRECOMPUTE_THRESHOLD     28
-#define SET_STR_DC_THRESHOLD            286
-#define SET_STR_PRECOMPUTE_THRESHOLD   1045
+#define GET_STR_DC_THRESHOLD             12
+#define GET_STR_PRECOMPUTE_THRESHOLD     17
+#define SET_STR_DC_THRESHOLD            381
+#define SET_STR_PRECOMPUTE_THRESHOLD   1659                                                          |
diff --git a/mpn/x86/k7/gmp-mparam.h b/mpn/x86/k7/gmp-mparam.h
index fc65b1f82..72a4c37bb 100644
--- a/mpn/x86/k7/gmp-mparam.h
+++ b/mpn/x86/k7/gmp-mparam.h
@@ -24,22 +24,22 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 /* 1883 MHz Athlon */
 
-/* Generated by tuneup.c, 2009-11-27, gcc 4.2 */
+/* Generated by tuneup.c, 2009-11-29, gcc 4.2 */
 
 #define MUL_TOOM22_THRESHOLD             28
 #define MUL_TOOM33_THRESHOLD             85
-#define MUL_TOOM44_THRESHOLD            148
+#define MUL_TOOM44_THRESHOLD            147
 
 #define SQR_BASECASE_THRESHOLD            0  /* always (native) */
 #define SQR_TOOM2_THRESHOLD              50
-#define SQR_TOOM3_THRESHOLD              84
-#define SQR_TOOM4_THRESHOLD             212
+#define SQR_TOOM3_THRESHOLD              87
+#define SQR_TOOM4_THRESHOLD             216
 
-#define MUL_FFT_TABLE  { 400, 800, 1408, 3584, 10240, 40960, 163840, 655360, 0 }
+#define MUL_FFT_TABLE  { 432, 800, 1408, 3584, 10240, 40960, 163840, 655360, 0 }
 #define MUL_FFT_MODF_THRESHOLD          656
 #define MUL_FFT_THRESHOLD              7680
 
-#define SQR_FFT_TABLE  { 400, 800, 1408, 3584, 10240, 24576, 163840, 393216, 0 }
+#define SQR_FFT_TABLE  { 432, 800, 1408, 3584, 10240, 24576, 229376, 655360, 0 }
 #define SQR_FFT_MODF_THRESHOLD          560
 #define SQR_FFT_THRESHOLD              3840
 
@@ -47,14 +47,14 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define MULLOW_DC_THRESHOLD              56
 #define MULLOW_MUL_N_THRESHOLD        11138
 
-#define MULMOD_BNM1_THRESHOLD            16
+#define MULMOD_BNM1_THRESHOLD            20
 
-#define DC_DIV_QR_THRESHOLD              86
-#define REDC_1_TO_REDC_N_THRESHOLD      158
+#define DC_DIV_QR_THRESHOLD              78
+#define REDC_1_TO_REDC_N_THRESHOLD       86
 
-#define MATRIX22_STRASSEN_THRESHOLD      15
+#define MATRIX22_STRASSEN_THRESHOLD      16
 #define HGCD_THRESHOLD                  164
-#define GCD_DC_THRESHOLD                591
+#define GCD_DC_THRESHOLD                580
 #define GCDEXT_DC_THRESHOLD             558
 #define JACOBI_BASE_METHOD                1
 
@@ -62,16 +62,16 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define MOD_1_UNNORM_THRESHOLD            3
 #define MOD_1_1_THRESHOLD                 6
 #define MOD_1_2_THRESHOLD                 7
-#define MOD_1_4_THRESHOLD                20
+#define MOD_1_4_THRESHOLD                18
 #define USE_PREINV_DIVREM_1               1  /* native */
 #define USE_PREINV_MOD_1                  0
 #define DIVEXACT_1_THRESHOLD              0  /* always (native) */
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */
 
-#define GET_STR_DC_THRESHOLD             14
-#define GET_STR_PRECOMPUTE_THRESHOLD     32
-#define SET_STR_DC_THRESHOLD            327
-#define SET_STR_PRECOMPUTE_THRESHOLD   1558
+#define GET_STR_DC_THRESHOLD             22
+#define GET_STR_PRECOMPUTE_THRESHOLD     37
+#define SET_STR_DC_THRESHOLD            537
+#define SET_STR_PRECOMPUTE_THRESHOLD   1576
 
 /* These tables need to be updated.  */
 
diff --git a/mpn/x86/p6/sse2/gmp-mparam.h b/mpn/x86/p6/sse2/gmp-mparam.h
index 6c2856550..3b4321c8c 100644
--- a/mpn/x86/p6/sse2/gmp-mparam.h
+++ b/mpn/x86/p6/sse2/gmp-mparam.h
@@ -30,45 +30,51 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 /* 1867 MHz P6 model 13 */
 
-/* Generated by tuneupc, 2008-10-30, gcc 4.3 */
+/* Generated by tuneup.c, 2009-11-29, gcc 4.3 */
 
 #define MUL_TOOM22_THRESHOLD             20
 #define MUL_TOOM33_THRESHOLD             77
-#define MUL_TOOM44_THRESHOLD            142
+#define MUL_TOOM44_THRESHOLD            182
 
 #define SQR_BASECASE_THRESHOLD            0  /* always (native) */
 #define SQR_TOOM2_THRESHOLD              30
-#define SQR_TOOM3_THRESHOLD             101
+#define SQR_TOOM3_THRESHOLD             102
 #define SQR_TOOM4_THRESHOLD             154
 
-#define MULLOW_BASECASE_THRESHOLD         4
-#define MULLOW_DC_THRESHOLD              38
-#define MULLOW_MUL_N_THRESHOLD          234
+#define MUL_FFT_TABLE  { 400, 928, 1664, 4608, 10240, 40960, 163840, 393216, 0 }
+#define MUL_FFT_MODF_THRESHOLD          496
+#define MUL_FFT_THRESHOLD              7168
+
+#define SQR_FFT_TABLE  { 400, 928, 1664, 3584, 10240, 40960, 98304, 655360, 0 }
+#define SQR_FFT_MODF_THRESHOLD          496
+#define SQR_FFT_THRESHOLD              3840
+
+#define MULLOW_BASECASE_THRESHOLD         0  /* always */
+#define MULLOW_DC_THRESHOLD              40
+#define MULLOW_MUL_N_THRESHOLD        11138
+
+#define MULMOD_BNM1_THRESHOLD            16
 
-#define DIV_SB_PREINV_THRESHOLD           0  /* always */
-#define DIV_DC_THRESHOLD                 24
-#define POWM_THRESHOLD                  150
+#define DC_DIV_QR_THRESHOLD              19
+#define REDC_1_TO_REDC_N_THRESHOLD       73
 
-#define MATRIX22_STRASSEN_THRESHOLD      23
-#define HGCD_THRESHOLD                   95
-#define GCD_DC_THRESHOLD                381
-#define GCDEXT_DC_THRESHOLD             419
+#define MATRIX22_STRASSEN_THRESHOLD      17
+#define HGCD_THRESHOLD                   94
+#define GCD_DC_THRESHOLD                400
+#define GCDEXT_DC_THRESHOLD             400
 #define JACOBI_BASE_METHOD                1
 
+#define MOD_1_NORM_THRESHOLD              3
+#define MOD_1_UNNORM_THRESHOLD            5
+#define MOD_1_1_THRESHOLD                 5
+#define MOD_1_2_THRESHOLD                 7
+#define MOD_1_4_THRESHOLD                 8
 #define USE_PREINV_DIVREM_1               1  /* native */
-#define USE_PREINV_MOD_1                  1  /* native */
+#define USE_PREINV_MOD_1                  1
 #define DIVEXACT_1_THRESHOLD              0  /* always (native) */
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */
 
-#define GET_STR_DC_THRESHOLD             14
-#define GET_STR_PRECOMPUTE_THRESHOLD     24
-#define SET_STR_DC_THRESHOLD            276
-#define SET_STR_PRECOMPUTE_THRESHOLD   1078
-
-#define MUL_FFT_TABLE  { 400, 928, 1664, 3584, 10240, 40960, 98304, 393216, 1572864, 0 }
-#define MUL_FFT_MODF_THRESHOLD          496
-#define MUL_FFT_THRESHOLD              7168
-
-#define SQR_FFT_TABLE  { 432, 928, 1664, 3584, 10240, 40960, 98304, 393216, 1572864, 0 }
-#define SQR_FFT_MODF_THRESHOLD          448
-#define SQR_FFT_THRESHOLD              3840
+#define GET_STR_DC_THRESHOLD             13
+#define GET_STR_PRECOMPUTE_THRESHOLD     20
+#define SET_STR_DC_THRESHOLD            582
+#define SET_STR_PRECOMPUTE_THRESHOLD   1076
diff --git a/mpn/x86/pentium4/sse2/gmp-mparam.h b/mpn/x86/pentium4/sse2/gmp-mparam.h
index da9ace622..c7f575d18 100644
--- a/mpn/x86/pentium4/sse2/gmp-mparam.h
+++ b/mpn/x86/pentium4/sse2/gmp-mparam.h
@@ -22,47 +22,53 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define BYTES_PER_MP_LIMB 4
 
 
-/* 2600 MHz Pentium 4 model 2 */
+/* 2600 MHz Pentium 4 model 2 (bonk.sics.se) */
 
-/* Generated by tuneup.c, 2009-01-06, gcc 3.4 */
+/* Generated by tuneup.c, 2009-11-28, gcc 4.0 */
 
 #define MUL_TOOM22_THRESHOLD             31
-#define MUL_TOOM33_THRESHOLD            119
-#define MUL_TOOM44_THRESHOLD            178
+#define MUL_TOOM33_THRESHOLD            162
+#define MUL_TOOM44_THRESHOLD            336
 
 #define SQR_BASECASE_THRESHOLD            0  /* always (native) */
 #define SQR_TOOM2_THRESHOLD              49
-#define SQR_TOOM3_THRESHOLD             165
-#define SQR_TOOM4_THRESHOLD             252
+#define SQR_TOOM3_THRESHOLD             171
+#define SQR_TOOM4_THRESHOLD             458
 
-#define MULLOW_BASECASE_THRESHOLD        15
-#define MULLOW_DC_THRESHOLD              44
-#define MULLOW_MUL_N_THRESHOLD          363
+#define MUL_FFT_TABLE  { 528, 1184, 1664, 4608, 14336, 40960, 229376, 655360, 0 }
+#define MUL_FFT_MODF_THRESHOLD          592
+#define MUL_FFT_THRESHOLD              9216
+
+#define SQR_FFT_TABLE  { 496, 1184, 1920, 5632, 14336, 40960, 163840, 655360, 0 }
+#define SQR_FFT_MODF_THRESHOLD          512
+#define SQR_FFT_THRESHOLD              4864
+
+#define MULLOW_BASECASE_THRESHOLD        12
+#define MULLOW_DC_THRESHOLD              51
+#define MULLOW_MUL_N_THRESHOLD        15896
+
+#define MULMOD_BNM1_THRESHOLD            20
 
-#define DIV_SB_PREINV_THRESHOLD       MP_SIZE_T_MAX  /* never */
-#define DIV_DC_THRESHOLD                 33
-#define POWM_THRESHOLD                   95
+#define DC_DIV_QR_THRESHOLD              30
+#define REDC_1_TO_REDC_N_THRESHOLD       75
 
-#define MATRIX22_STRASSEN_THRESHOLD      23
-#define HGCD_THRESHOLD                   64
-#define GCD_DC_THRESHOLD                310
-#define GCDEXT_DC_THRESHOLD             310
-#define JACOBI_BASE_METHOD                1
+#define MATRIX22_STRASSEN_THRESHOLD      27
+#define HGCD_THRESHOLD                   74
+#define GCD_DC_THRESHOLD                293
+#define GCDEXT_DC_THRESHOLD             278
+#define JACOBI_BASE_METHOD                2
 
+#define MOD_1_NORM_THRESHOLD             29
+#define MOD_1_UNNORM_THRESHOLD        MP_SIZE_T_MAX  /* never */
+#define MOD_1_1_THRESHOLD                12
+#define MOD_1_2_THRESHOLD                17
+#define MOD_1_4_THRESHOLD                18
 #define USE_PREINV_DIVREM_1               1  /* native */
-#define USE_PREINV_MOD_1                  1  /* native */
+#define USE_PREINV_MOD_1                  1
 #define DIVEXACT_1_THRESHOLD              0  /* always (native) */
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */
 
-#define GET_STR_DC_THRESHOLD             11
-#define GET_STR_PRECOMPUTE_THRESHOLD     26
-#define SET_STR_DC_THRESHOLD            118
-#define SET_STR_PRECOMPUTE_THRESHOLD   1078
-
-#define MUL_FFT_TABLE  { 560, 928, 1920, 5632, 14336, 40960, 0 }
-#define MUL_FFT_MODF_THRESHOLD          720
-#define MUL_FFT_THRESHOLD              9216
-
-#define SQR_FFT_TABLE  { 592, 928, 1920, 4608, 14336, 40960, 0 }
-#define SQR_FFT_MODF_THRESHOLD          608
-#define SQR_FFT_THRESHOLD              5888
+#define GET_STR_DC_THRESHOLD             12
+#define GET_STR_PRECOMPUTE_THRESHOLD     24
+#define SET_STR_DC_THRESHOLD            143
+#define SET_STR_PRECOMPUTE_THRESHOLD    929
diff --git a/mpn/x86_64/atom/gmp-mparam.h b/mpn/x86_64/atom/gmp-mparam.h
index c9431d569..f5d00d3a1 100644
--- a/mpn/x86_64/atom/gmp-mparam.h
+++ b/mpn/x86_64/atom/gmp-mparam.h
@@ -22,39 +22,39 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define BYTES_PER_MP_LIMB 8
 
 
-/* Generated by tuneup.c, 2009-11-26, gcc 4.4 */
+/* Generated by tuneup.c, 2009-11-29, gcc 4.4 */
 
 #define MUL_TOOM22_THRESHOLD             10
 #define MUL_TOOM33_THRESHOLD             66
-#define MUL_TOOM44_THRESHOLD            105
+#define MUL_TOOM44_THRESHOLD            118
 
 #define SQR_BASECASE_THRESHOLD            0  /* always (native) */
 #define SQR_TOOM2_THRESHOLD              16
 #define SQR_TOOM3_THRESHOLD              65
-#define SQR_TOOM4_THRESHOLD             169
+#define SQR_TOOM4_THRESHOLD             166
 
-#define MUL_FFT_TABLE  { 272, 544, 1088, 1792, 5120, 12288, 49152, 196608, 786432, 0 }
+#define MUL_FFT_TABLE  { 272, 544, 1088, 1792, 5120, 20480, 49152, 196608, 786432, 0 }
 #define MUL_FFT_MODF_THRESHOLD          240
-#define MUL_FFT_THRESHOLD              1408
+#define MUL_FFT_THRESHOLD              1664
 
 #define SQR_FFT_TABLE  { 272, 544, 1088, 1792, 5120, 12288, 49152, 196608, 786432, 0 }
 #define SQR_FFT_MODF_THRESHOLD          216
 #define SQR_FFT_THRESHOLD              1408
 
-#define MULLOW_BASECASE_THRESHOLD         0  /* always */
-#define MULLOW_DC_THRESHOLD              25
+#define MULLOW_BASECASE_THRESHOLD         2
+#define MULLOW_DC_THRESHOLD              23
 #define MULLOW_MUL_N_THRESHOLD         2350
 
-#define MULMOD_BNM1_THRESHOLD             8
+#define MULMOD_BNM1_THRESHOLD            12
 
 #define DC_DIV_QR_THRESHOLD              27
 #define REDC_1_TO_REDC_2_THRESHOLD       12
-#define REDC_2_TO_REDC_N_THRESHOLD       60
+#define REDC_2_TO_REDC_N_THRESHOLD       42
 
-#define MATRIX22_STRASSEN_THRESHOLD      13
-#define HGCD_THRESHOLD                   87
-#define GCD_DC_THRESHOLD                201
-#define GCDEXT_DC_THRESHOLD             233
+#define MATRIX22_STRASSEN_THRESHOLD      21
+#define HGCD_THRESHOLD                   86
+#define GCD_DC_THRESHOLD                195
+#define GCDEXT_DC_THRESHOLD             221
 #define JACOBI_BASE_METHOD                2
 
 #define MOD_1_NORM_THRESHOLD              0  /* always */
@@ -67,10 +67,10 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define DIVEXACT_1_THRESHOLD              0  /* always (native) */
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */
 
-#define GET_STR_DC_THRESHOLD             15
+#define GET_STR_DC_THRESHOLD             16
 #define GET_STR_PRECOMPUTE_THRESHOLD     27
-#define SET_STR_DC_THRESHOLD            268
-#define SET_STR_PRECOMPUTE_THRESHOLD   1120
+#define SET_STR_DC_THRESHOLD            234
+#define SET_STR_PRECOMPUTE_THRESHOLD   1105
 
 /* These tables need to be updated.  */
 
diff --git a/mpn/x86_64/core2/gmp-mparam.h b/mpn/x86_64/core2/gmp-mparam.h
index 7ec4783e2..373c979f4 100644
--- a/mpn/x86_64/core2/gmp-mparam.h
+++ b/mpn/x86_64/core2/gmp-mparam.h
@@ -23,40 +23,38 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 /* 2133 MHz Core 2 (65nm) */
 
-/* Generated by tuneup.c, 2009-11-24, gcc 4.2 */
+/* Generated by tuneup.c, 2009-11-29, gcc 4.2 */
 
-/* Generated by tuneup.c, 2009-11-26, gcc 4.2 */
-
-#define MUL_TOOM22_THRESHOLD             23
-#define MUL_TOOM33_THRESHOLD             66
-#define MUL_TOOM44_THRESHOLD            178
+#define MUL_TOOM22_THRESHOLD             22
+#define MUL_TOOM33_THRESHOLD             65
+#define MUL_TOOM44_THRESHOLD            169
 
 #define SQR_BASECASE_THRESHOLD            0  /* always (native) */
 #define SQR_TOOM2_THRESHOLD              28
-#define SQR_TOOM3_THRESHOLD             101
-#define SQR_TOOM4_THRESHOLD             143
+#define SQR_TOOM3_THRESHOLD              85
+#define SQR_TOOM4_THRESHOLD             142
 
-#define MUL_FFT_TABLE  { 336, 800, 1600, 2816, 7168, 20480, 81920, 327680, 0 }
+#define MUL_FFT_TABLE  { 400, 800, 1600, 2816, 7168, 20480, 81920, 196608, 0 }
 #define MUL_FFT_MODF_THRESHOLD          400
 #define MUL_FFT_THRESHOLD              4224
 
-#define SQR_FFT_TABLE  { 304, 736, 1728, 3328, 7168, 20480, 81920, 327680, 0 }
-#define SQR_FFT_MODF_THRESHOLD          336
+#define SQR_FFT_TABLE  { 336, 736, 1728, 2816, 7168, 20480, 81920, 327680, 0 }
+#define SQR_FFT_MODF_THRESHOLD          368
 #define SQR_FFT_THRESHOLD              2688
 
 #define MULLOW_BASECASE_THRESHOLD         0  /* always */
-#define MULLOW_DC_THRESHOLD              19
+#define MULLOW_DC_THRESHOLD              20
 #define MULLOW_MUL_N_THRESHOLD         5472
 
-#define MULMOD_BNM1_THRESHOLD            12
+#define MULMOD_BNM1_THRESHOLD            20
 
-#define DC_DIV_QR_THRESHOLD              52
+#define DC_DIV_QR_THRESHOLD              46
 #define REDC_1_TO_REDC_2_THRESHOLD       10
-#define REDC_2_TO_REDC_N_THRESHOLD      111
+#define REDC_2_TO_REDC_N_THRESHOLD       74
 
-#define MATRIX22_STRASSEN_THRESHOLD      25
+#define MATRIX22_STRASSEN_THRESHOLD      17
 #define HGCD_THRESHOLD                  135
-#define GCD_DC_THRESHOLD                443
+#define GCD_DC_THRESHOLD                451
 #define GCDEXT_DC_THRESHOLD             460
 #define JACOBI_BASE_METHOD                1
 
@@ -72,10 +70,5 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 #define GET_STR_DC_THRESHOLD             11
 #define GET_STR_PRECOMPUTE_THRESHOLD     21
-#define SET_STR_DC_THRESHOLD            704
-#define SET_STR_PRECOMPUTE_THRESHOLD   1785
-
-/* These tables are obsolete.  */
-#define MUL_FFT_TABLE2 {{1,4}, {273,5}, {545,6}, {1217,7}, {3201,8}, {6913,9}, {7681,8}, {8449,9}, {9729,8}, {10497,9}, {13825,10}, {15361,9}, {19969,10}, {23553,9}, {28161,11}, {30721,10}, {31745,9}, {34305,10}, {39937,9}, {42497,10}, {56321,11}, {63489,10}, {81409,11}, {92161,10}, {93185,11}, {96257,12}, {126977,11}, {131073,10}, {138241,11}, {167937,10}, {169473,11}, {169985,10}, {172033,11}, {195585,9}, {196097,11}, {198657,10}, {208897,11}, {217089,12}, {258049,11}, {261121,9}, {262657,10}, {275457,11}, {302081,10}, {307201,11}, {331777,12}, {389121,11}, {425985,13}, {516097,12}, {520193,11}, {598017,12}, {610305,11}, {614401,12}, {651265,11}, {653313,10}, {654337,11}, {673793,10}, {674817,11}, {677889,10}, {679937,11}, {718849,10}, {719873,12}, {782337,11}, {850945,12}, {913409,11}, {925697,13}, {1040385,12}, {1044481,11}, {1112065,12}, {1175553,11}, {1244161,12}, {1306625,11}, {1310721,12}, {1327105,11}, {1347585,12}, {1355777,11}, {1366017,12}, {1439745,13}, {1564673,12}, {1835009,14}, {1900545,12}, {1904641,14}, {2080769,13}, {2088961,12}, {2488321,13}, {2613249,12}, {2879489,13}, {2932737,12}, {2940929,13}, {3137537,12}, {3403777,13}, {3661825,12}, {3928065,14}, {4177921,13}, {4186113,12}, {4452353,13}, {4710401,12}, {4978689,13}, {5234689,12}, {5500929,13}, {5758977,14}, {6275073,13}, {7856129,15}, {8355841,14}, {8372225,13}, {9957377,14}, {MP_SIZE_T_MAX, 0}}
-
-#define SQR_FFT_TABLE2 {{1,4}, {241,5}, {545,6}, {1345,7}, {3201,8}, {6913,9}, {7681,8}, {8961,9}, {9729,8}, {10497,9}, {13825,10}, {15361,9}, {19969,10}, {23553,9}, {28161,11}, {30721,10}, {31745,9}, {34305,10}, {55297,11}, {63489,10}, {80897,11}, {94209,10}, {97281,12}, {126977,11}, {129025,9}, {130049,10}, {138753,11}, {162817,9}, {164353,11}, {170497,10}, {178177,11}, {183297,10}, {184321,11}, {194561,10}, {208897,12}, {219137,11}, {221185,12}, {258049,11}, {261121,9}, {261633,10}, {267777,9}, {268289,11}, {270337,10}, {274945,9}, {276481,10}, {278529,11}, {292865,9}, {293377,10}, {295937,9}, {296449,10}, {306177,9}, {309249,10}, {310273,11}, {328705,12}, {331777,11}, {335873,12}, {344065,11}, {346113,12}, {352257,11}, {356353,12}, {389121,11}, {395265,10}, {398337,11}, {419841,10}, {421889,11}, {423937,13}, {516097,12}, {520193,11}, {546817,10}, {550913,11}, {561153,10}, {563201,11}, {579585,10}, {585729,11}, {621569,12}, {636929,11}, {638977,12}, {651265,11}, {714753,10}, {716801,11}, {718849,12}, {782337,11}, {849921,12}, {913409,11}, {954369,13}, {1040385,12}, {1044481,11}, {1112065,12}, {1175553,11}, {1243137,12}, {1306625,11}, {1374209,12}, {1437697,13}, {1564673,12}, {1961985,14}, {2080769,13}, {2088961,12}, {2486273,13}, {2613249,12}, {2879489,13}, {3137537,12}, {3272705,13}, {3661825,12}, {3928065,14}, {4177921,13}, {4186113,12}, {4452353,13}, {4710401,12}, {4976641,13}, {5234689,12}, {5320705,13}, {5324801,12}, {5447681,13}, {5455873,12}, {5500929,13}, {5758977,14}, {6275073,13}, {6283265,12}, {6549505,13}, {7856129,15}, {8355841,14}, {8372225,13}, {9953281,14}, {MP_SIZE_T_MAX, 0}}
+#define SET_STR_DC_THRESHOLD            172
+#define SET_STR_PRECOMPUTE_THRESHOLD   2058
diff --git a/mpn/x86_64/corei/gmp-mparam.h b/mpn/x86_64/corei/gmp-mparam.h
index 8e60f94de..9ae53462b 100644
--- a/mpn/x86_64/corei/gmp-mparam.h
+++ b/mpn/x86_64/corei/gmp-mparam.h
@@ -23,7 +23,7 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 /* 2667 MHz Core i7 */
 
-/* Generated by tuneup.c, 2009-11-24, gcc 4.2 */
+/* Generated by tuneup.c, 2009-11-29, gcc 4.2 */
 
 #define MUL_TOOM22_THRESHOLD             16
 #define MUL_TOOM33_THRESHOLD             66
@@ -31,10 +31,10 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 #define SQR_BASECASE_THRESHOLD            0  /* always (native) */
 #define SQR_TOOM2_THRESHOLD              30
-#define SQR_TOOM3_THRESHOLD             105
+#define SQR_TOOM3_THRESHOLD             102
 #define SQR_TOOM4_THRESHOLD             250
 
-#define MUL_FFT_TABLE  { 336, 800, 1600, 2816, 7168, 20480, 81920, 196608, 786432, 0 }
+#define MUL_FFT_TABLE  { 336, 800, 1600, 2816, 7168, 20480, 81920, 196608, 0 }
 #define MUL_FFT_MODF_THRESHOLD          400
 #define MUL_FFT_THRESHOLD              3456
 
@@ -42,20 +42,20 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define SQR_FFT_MODF_THRESHOLD          368
 #define SQR_FFT_THRESHOLD              2688
 
-#define MULLOW_BASECASE_THRESHOLD         4
+#define MULLOW_BASECASE_THRESHOLD         3
 #define MULLOW_DC_THRESHOLD              21
 #define MULLOW_MUL_N_THRESHOLD         5472
 
-#define MULMOD_BNM1_THRESHOLD            12
+#define MULMOD_BNM1_THRESHOLD            16
 
 #define DC_DIV_QR_THRESHOLD              38
-#define REDC_1_TO_REDC_2_THRESHOLD       10
-#define REDC_2_TO_REDC_N_THRESHOLD      110
+#define REDC_1_TO_REDC_2_THRESHOLD       11
+#define REDC_2_TO_REDC_N_THRESHOLD       72
 
 #define MATRIX22_STRASSEN_THRESHOLD      17
-#define HGCD_THRESHOLD                  139
-#define GCD_DC_THRESHOLD                354
-#define GCDEXT_DC_THRESHOLD             496
+#define HGCD_THRESHOLD                  135
+#define GCD_DC_THRESHOLD                330
+#define GCDEXT_DC_THRESHOLD             487
 #define JACOBI_BASE_METHOD                1
 
 #define MOD_1_NORM_THRESHOLD              0  /* always */
@@ -69,9 +69,9 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */
 
 #define GET_STR_DC_THRESHOLD             13
-#define GET_STR_PRECOMPUTE_THRESHOLD     23
-#define SET_STR_DC_THRESHOLD            632
-#define SET_STR_PRECOMPUTE_THRESHOLD   1939
+#define GET_STR_PRECOMPUTE_THRESHOLD     22
+#define SET_STR_DC_THRESHOLD            294
+#define SET_STR_PRECOMPUTE_THRESHOLD   1973
 
 /* Generated 2009-01-12, gcc 4.2 */
 
diff --git a/mpn/x86_64/gmp-mparam.h b/mpn/x86_64/gmp-mparam.h
index 8d43a2403..6e6a9b26a 100644
--- a/mpn/x86_64/gmp-mparam.h
+++ b/mpn/x86_64/gmp-mparam.h
@@ -23,7 +23,7 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 /* 2500 MHz Athlon64 / 512 Kibyte cache */
 
-/* Generated by tuneup.c, 2009-11-24, gcc 4.2 */
+/* Generated by tuneup.c, 2009-11-29, gcc 4.2 */
 
 #define MUL_TOOM22_THRESHOLD             28
 #define MUL_TOOM33_THRESHOLD             81
@@ -31,28 +31,28 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 #define SQR_BASECASE_THRESHOLD            0  /* always (native) */
 #define SQR_TOOM2_THRESHOLD              40
-#define SQR_TOOM3_THRESHOLD             121
+#define SQR_TOOM3_THRESHOLD              77
 #define SQR_TOOM4_THRESHOLD             532
 
-#define MUL_FFT_TABLE  { 464, 1056, 1856, 3840, 11264, 36864, 114688, 327680, 0 }
+#define MUL_FFT_TABLE  { 464, 1056, 1856, 3840, 11264, 36864, 114688, 458752, 0 }
 #define MUL_FFT_MODF_THRESHOLD          688
 #define MUL_FFT_THRESHOLD              7936
 
-#define SQR_FFT_TABLE  { 496, 1120, 2368, 4352, 11264, 36864, 114688, 327680, 0 }
+#define SQR_FFT_TABLE  { 496, 1120, 2240, 4352, 11264, 45056, 114688, 327680, 0 }
 #define SQR_FFT_MODF_THRESHOLD          688
-#define SQR_FFT_THRESHOLD              4992
+#define SQR_FFT_THRESHOLD              6272
 
-#define MULLOW_BASECASE_THRESHOLD        20
+#define MULLOW_BASECASE_THRESHOLD         8
 #define MULLOW_DC_THRESHOLD               0  /* never mpn_mullow_basecase */
 #define MULLOW_MUL_N_THRESHOLD        15585
 
-#define MULMOD_BNM1_THRESHOLD            16
+#define MULMOD_BNM1_THRESHOLD            20
 
-#define DC_DIV_QR_THRESHOLD              40
+#define DC_DIV_QR_THRESHOLD              51
 #define REDC_1_TO_REDC_2_THRESHOLD       34
-#define REDC_2_TO_REDC_N_THRESHOLD      162
+#define REDC_2_TO_REDC_N_THRESHOLD      107
 
-#define MATRIX22_STRASSEN_THRESHOLD      21
+#define MATRIX22_STRASSEN_THRESHOLD      33
 #define HGCD_THRESHOLD                  144
 #define GCD_DC_THRESHOLD                501
 #define GCDEXT_DC_THRESHOLD             693
@@ -60,18 +60,18 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 #define MOD_1_NORM_THRESHOLD              0  /* always */
 #define MOD_1_UNNORM_THRESHOLD            0  /* always */
-#define MOD_1_1_THRESHOLD                 5
-#define MOD_1_2_THRESHOLD                 6
+#define MOD_1_1_THRESHOLD                 4
+#define MOD_1_2_THRESHOLD                 7
 #define MOD_1_4_THRESHOLD                15
 #define USE_PREINV_DIVREM_1               1  /* native */
 #define USE_PREINV_MOD_1                  0
 #define DIVEXACT_1_THRESHOLD              0  /* always (native) */
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */
 
-#define GET_STR_DC_THRESHOLD             18
-#define GET_STR_PRECOMPUTE_THRESHOLD     33
-#define SET_STR_DC_THRESHOLD            268
-#define SET_STR_PRECOMPUTE_THRESHOLD   2215
+#define GET_STR_DC_THRESHOLD             17
+#define GET_STR_PRECOMPUTE_THRESHOLD     32
+#define SET_STR_DC_THRESHOLD            266
+#define SET_STR_PRECOMPUTE_THRESHOLD   2105
 
 /* These tables are older than the thresholds above.  */
 
diff --git a/mpn/x86_64/nano/gmp-mparam.h b/mpn/x86_64/nano/gmp-mparam.h
index 374999649..ae4bf3232 100644
--- a/mpn/x86_64/nano/gmp-mparam.h
+++ b/mpn/x86_64/nano/gmp-mparam.h
@@ -23,38 +23,38 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 
 /* 1600 MHz Nano 2xxx */
 
-/* Generated by tuneup.c, 2009-11-27, gcc 4.3 */
+/* Generated by tuneup.c, 2009-11-29, gcc 4.3 */
 
-#define MUL_TOOM22_THRESHOLD             26
-#define MUL_TOOM33_THRESHOLD             41
-#define MUL_TOOM44_THRESHOLD            315
+#define MUL_TOOM22_THRESHOLD             27
+#define MUL_TOOM33_THRESHOLD             42
+#define MUL_TOOM44_THRESHOLD            330
 
 #define SQR_BASECASE_THRESHOLD            0  /* always (native) */
 #define SQR_TOOM2_THRESHOLD              38
-#define SQR_TOOM3_THRESHOLD              60
-#define SQR_TOOM4_THRESHOLD             522
+#define SQR_TOOM3_THRESHOLD              77
+#define SQR_TOOM4_THRESHOLD             608
 
-#define MUL_FFT_TABLE  { 400, 928, 1856, 2816, 7168, 28672, 81920, 327680, 0 }
-#define MUL_FFT_MODF_THRESHOLD          496
+#define MUL_FFT_TABLE  { 400, 800, 1856, 2816, 7168, 28672, 81920, 327680, 0 }
+#define MUL_FFT_MODF_THRESHOLD          528
 #define MUL_FFT_THRESHOLD              5632
 
-#define SQR_FFT_TABLE  { 400, 800, 1856, 3328, 7168, 20480, 81920, 327680, 0 }
+#define SQR_FFT_TABLE  { 368, 800, 1856, 3328, 7168, 20480, 81920, 327680, 0 }
 #define SQR_FFT_MODF_THRESHOLD          464
 #define SQR_FFT_THRESHOLD              3456
 
-#define MULLOW_BASECASE_THRESHOLD        19
-#define MULLOW_DC_THRESHOLD              40
+#define MULLOW_BASECASE_THRESHOLD        21
+#define MULLOW_DC_THRESHOLD               0  /* never mpn_mullow_basecase */
 #define MULLOW_MUL_N_THRESHOLD        11138
 
 #define MULMOD_BNM1_THRESHOLD            16
 
 #define DC_DIV_QR_THRESHOLD              47
-#define REDC_1_TO_REDC_2_THRESHOLD       17
-#define REDC_2_TO_REDC_N_THRESHOLD      139
+#define REDC_1_TO_REDC_2_THRESHOLD       16
+#define REDC_2_TO_REDC_N_THRESHOLD       89
 
 #define MATRIX22_STRASSEN_THRESHOLD      17
-#define HGCD_THRESHOLD                  116
-#define GCD_DC_THRESHOLD                474
+#define HGCD_THRESHOLD                  100
+#define GCD_DC_THRESHOLD                465
 #define GCDEXT_DC_THRESHOLD             693
 #define JACOBI_BASE_METHOD                1
 
@@ -68,7 +68,7 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #define DIVEXACT_1_THRESHOLD              0  /* always (native) */
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */
 
-#define GET_STR_DC_THRESHOLD             14
-#define GET_STR_PRECOMPUTE_THRESHOLD     22
+#define GET_STR_DC_THRESHOLD             12
+#define GET_STR_PRECOMPUTE_THRESHOLD     20
 #define SET_STR_DC_THRESHOLD            686
 #define SET_STR_PRECOMPUTE_THRESHOLD   1947