diff --git a/mpn/x86_64/sandybridge/gmp-mparam.h b/mpn/x86_64/sandybridge/gmp-mparam.h
index 2b88d18e..9c4ce6b2 100644
--- a/mpn/x86_64/sandybridge/gmp-mparam.h
+++ b/mpn/x86_64/sandybridge/gmp-mparam.h
@@ -1,21 +1,21 @@
-/* Generated by tuneup.c, 2011-10-13, gcc 4.5 */
+/* Generated by tuneup.c, 2011-11-22, gcc 4.5 */
 
 #define MUL_KARATSUBA_THRESHOLD          16
 #define MUL_TOOM3_THRESHOLD             105
-#define MUL_TOOM4_THRESHOLD             244
+#define MUL_TOOM4_THRESHOLD             246
 #define MUL_TOOM8H_THRESHOLD            327
 
 #define SQR_BASECASE_THRESHOLD            0  /* always (native) */
 #define SQR_KARATSUBA_THRESHOLD          31
 #define SQR_TOOM3_THRESHOLD              95
-#define SQR_TOOM4_THRESHOLD             250
-#define SQR_TOOM8_THRESHOLD             321
+#define SQR_TOOM4_THRESHOLD             248
+#define SQR_TOOM8_THRESHOLD             324
 
-#define POWM_THRESHOLD                  166
+#define POWM_THRESHOLD                  158
 
-#define HGCD_THRESHOLD                  128
-#define GCD_DC_THRESHOLD               2995
-#define GCDEXT_DC_THRESHOLD            2562
+#define HGCD_THRESHOLD                   44
+#define GCD_DC_THRESHOLD               2440
+#define GCDEXT_DC_THRESHOLD            1607
 #define JACOBI_BASE_METHOD                1
 
 #define DIVREM_1_NORM_THRESHOLD       MP_SIZE_T_MAX  /* never */
@@ -27,46 +27,46 @@
 #define DIVEXACT_1_THRESHOLD              0  /* always */
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */
 #define MOD_1_1_THRESHOLD                 6
-#define MOD_1_2_THRESHOLD                 7
-#define MOD_1_3_THRESHOLD                19
+#define MOD_1_2_THRESHOLD                 8
+#define MOD_1_3_THRESHOLD                17
 #define DIVREM_HENSEL_QR_1_THRESHOLD     36
 #define RSH_DIVREM_HENSEL_QR_1_THRESHOLD      5
-#define DIVREM_EUCLID_HENSEL_THRESHOLD    117
+#define DIVREM_EUCLID_HENSEL_THRESHOLD      8
 
 #define ROOTREM_THRESHOLD                 6
 
 #define GET_STR_DC_THRESHOLD             14
 #define GET_STR_PRECOMPUTE_THRESHOLD     22
 #define SET_STR_DC_THRESHOLD           6847
-#define SET_STR_PRECOMPUTE_THRESHOLD   7264
+#define SET_STR_PRECOMPUTE_THRESHOLD   6847
 
-#define MUL_FFT_TABLE  { 368, 736, 1984, 2304, 7168, 20480, 81920, 327680, 0 }
+#define MUL_FFT_TABLE  { 368, 736, 1984, 2304, 7168, 20480, 81920, 327680, 1310720, 5242880, 0 }
 #define MUL_FFT_MODF_THRESHOLD          296
 #define MUL_FFT_FULL_THRESHOLD         2112
 
-#define SQR_FFT_TABLE  { 304, 736, 1728, 2304, 7168, 20480, 81920, 327680, 0 }
+#define SQR_FFT_TABLE  { 336, 672, 1728, 2304, 7168, 20480, 81920, 327680, 1310720, 5242880, 0 }
 #define SQR_FFT_MODF_THRESHOLD          264
 #define SQR_FFT_FULL_THRESHOLD         1856
 
-#define MULLOW_BASECASE_THRESHOLD         6
+#define MULLOW_BASECASE_THRESHOLD         7
 #define MULLOW_DC_THRESHOLD              22
 #define MULLOW_MUL_THRESHOLD           3145
 
 #define MULHIGH_BASECASE_THRESHOLD       10
-#define MULHIGH_DC_THRESHOLD             24
-#define MULHIGH_MUL_THRESHOLD          3114
+#define MULHIGH_DC_THRESHOLD             27
+#define MULHIGH_MUL_THRESHOLD          3145
 
 #define MULMOD_2EXPM1_THRESHOLD          18
 
 #define FAC_UI_THRESHOLD              32756
 #define DC_DIV_QR_THRESHOLD              36
-#define DC_DIVAPPR_Q_N_THRESHOLD         95
+#define DC_DIVAPPR_Q_N_THRESHOLD         90
 #define INV_DIV_QR_THRESHOLD           2694
-#define INV_DIVAPPR_Q_N_THRESHOLD        95
+#define INV_DIVAPPR_Q_N_THRESHOLD        90
 #define DC_DIV_Q_THRESHOLD              136
 #define INV_DIV_Q_THRESHOLD            3689
 #define DC_DIVAPPR_Q_THRESHOLD          106
 #define INV_DIVAPPR_Q_THRESHOLD        8897
 #define DC_BDIV_QR_THRESHOLD             40
 #define DC_BDIV_Q_THRESHOLD              48
-/* Tuneup completed successfully, took 115 seconds */
+/* Tuneup completed successfully, took 367 seconds */