diff --git a/mpn/x86_64/atom/gmp-mparam.h b/mpn/x86_64/atom/gmp-mparam.h
index 6c1aa431..54728de4 100644
--- a/mpn/x86_64/atom/gmp-mparam.h
+++ b/mpn/x86_64/atom/gmp-mparam.h
@@ -1,86 +1,88 @@
-/* Generated by tuneup.c, 2014-03-27, gcc 4.8 */
+/* Generated by tuneup.c, 2014-04-04, gcc 4.6 */
+
+#define MUL_KARATSUBA_THRESHOLD          10
+#define MUL_TOOM3_THRESHOLD             113
+#define MUL_TOOM4_THRESHOLD             197
+#define MUL_TOOM8H_THRESHOLD            199
 
-#define MUL_KARATSUBA_THRESHOLD          24
-#define MUL_TOOM3_THRESHOLD              78
-#define MUL_TOOM4_THRESHOLD             185
-#define MUL_TOOM8H_THRESHOLD            286
 
 #define SQR_BASECASE_THRESHOLD            0  /* always (native) */
-#define SQR_KARATSUBA_THRESHOLD          36
-#define SQR_TOOM3_THRESHOLD             117
-#define SQR_TOOM4_THRESHOLD             298
-#define SQR_TOOM8_THRESHOLD             309
+#define SQR_KARATSUBA_THRESHOLD          16
+#define SQR_TOOM3_THRESHOLD             105
+#define SQR_TOOM4_THRESHOLD             278
+#define SQR_TOOM8_THRESHOLD             286
 
-#define POWM_THRESHOLD                   39
+#define POWM_THRESHOLD                   59
+
+#define HGCD_THRESHOLD                   70
+#define GCD_DC_THRESHOLD                192
+#define GCDEXT_DC_THRESHOLD             169
+#define JACOBI_BASE_METHOD                3
+
+
+#define DIVREM_1_NORM_THRESHOLD       MP_SIZE_T_MAX  /* never */
+#define DIVREM_1_UNNORM_THRESHOLD     MP_SIZE_T_MAX  /* never */
+#define MOD_1_NORM_THRESHOLD              0  /* always */
+#define MOD_1_UNNORM_THRESHOLD            0  /* always */
 
 #define USE_PREINV_DIVREM_1               1  /* native */
-#define USE_PREINV_MOD_1                  1  /* native */
-#define DIVREM_2_THRESHOLD                0  /* always */
-#define DIVEXACT_1_THRESHOLD              0  /* always (native) */
+#define USE_PREINV_MOD_1                  1
+#define DIVEXACT_1_THRESHOLD              0  /* always */
+
 #define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */
-#define MOD_1_1_THRESHOLD                28
-#define MOD_1_2_THRESHOLD                28
-#define MOD_1_3_THRESHOLD                93
-#define DIVREM_HENSEL_QR_1_THRESHOLD    197
-#define RSH_DIVREM_HENSEL_QR_1_THRESHOLD     95
-#define DIVREM_EUCLID_HENSEL_THRESHOLD    292
+#define MOD_1_1_THRESHOLD                 7
+#define MOD_1_2_THRESHOLD                 8
+#define MOD_1_3_THRESHOLD                12
+#define DIVREM_HENSEL_QR_1_THRESHOLD    126
+#define RSH_DIVREM_HENSEL_QR_1_THRESHOLD    996
+#define DIVREM_EUCLID_HENSEL_THRESHOLD     58
 
-#define MUL_FFT_FULL_THRESHOLD         3552
+#define ROOTREM_THRESHOLD                 6
 
-#define SQR_FFT_FULL_THRESHOLD         2272
+#define GET_STR_DC_THRESHOLD             20
+#define GET_STR_PRECOMPUTE_THRESHOLD     25
+#define SET_STR_DC_THRESHOLD            248
+#define SET_STR_PRECOMPUTE_THRESHOLD    262
 
-#define MULLOW_BASECASE_THRESHOLD         5
-#define MULLOW_DC_THRESHOLD              52
-#define MULLOW_MUL_THRESHOLD            375
+#define MUL_FFT_FULL_THRESHOLD         2496
 
-#define MULHIGH_BASECASE_THRESHOLD        7
-#define MULHIGH_DC_THRESHOLD             51
-#define MULHIGH_MUL_THRESHOLD           406
+#define SQR_FFT_FULL_THRESHOLD         1760
 
-#define MULMOD_2EXPM1_THRESHOLD          20
+#define MULLOW_BASECASE_THRESHOLD         0  /* always */
+#define MULLOW_DC_THRESHOLD              12
+#define MULLOW_MUL_THRESHOLD           2324
 
-#define SB_DIVAPPR_Q_SMALL_THRESHOLD      0  /* always */
-#define SB_DIV_QR_SMALL_THRESHOLD         0  /* always */
-#define DC_DIV_QR_THRESHOLD              31
-#define INV_DIV_QR_THRESHOLD           1387
-#define INV_DIVAPPR_Q_N_THRESHOLD        31
-#define DC_DIV_Q_THRESHOLD              110
-#define INV_DIV_Q_THRESHOLD            1078
-#define DC_DIVAPPR_Q_THRESHOLD           45
-#define INV_DIVAPPR_Q_THRESHOLD       10956
-#define DC_BDIV_QR_THRESHOLD             37
-#define DC_BDIV_Q_THRESHOLD             124
+#define MULHIGH_BASECASE_THRESHOLD        8
+#define MULHIGH_DC_THRESHOLD              8
+#define MULHIGH_MUL_THRESHOLD          2257
 
-#define ROOTREM_THRESHOLD                 7
+#define MULMOD_2EXPM1_THRESHOLD          14
 
-#define MATRIX22_STRASSEN_THRESHOLD      14
-#define HGCD_THRESHOLD                  101
-#define HGCD_APPR_THRESHOLD              50
-#define HGCD_REDUCE_THRESHOLD           487
-#define GCD_DC_THRESHOLD                451
-#define GCDEXT_DC_THRESHOLD             300
-#define JACOBI_BASE_METHOD                2
+#define FAC_UI_THRESHOLD               8252
+#define DC_DIV_QR_THRESHOLD              28
+#define DC_DIVAPPR_Q_N_THRESHOLD         14
+#define INV_DIV_QR_THRESHOLD           1442
+#define INV_DIVAPPR_Q_N_THRESHOLD        14
+#define DC_DIV_Q_THRESHOLD               73
+#define INV_DIV_Q_THRESHOLD            2801
+#define DC_DIVAPPR_Q_THRESHOLD           10
+#define INV_DIVAPPR_Q_THRESHOLD        7881
+#define DC_BDIV_QR_THRESHOLD             28
+#define DC_BDIV_Q_THRESHOLD              34
 
-#define GET_STR_DC_THRESHOLD             12
-#define GET_STR_PRECOMPUTE_THRESHOLD     23
-#define SET_STR_DC_THRESHOLD            102
-#define SET_STR_PRECOMPUTE_THRESHOLD   1057
-
-#define FAC_DSC_THRESHOLD               180
-#define FAC_ODD_THRESHOLD                29
 
 /* fft_tuning -- autogenerated by tune-fft */
 
 #define FFT_TAB \
-   { { 3, 3 }, { 3, 2 }, { 2, 1 }, { 1, 0 }, { 1, 0 } }
+   { { 4, 3 }, { 3, 2 }, { 3, 2 }, { 2, 1 }, { 1, 0 } }
 
 #define MULMOD_TAB \
-   { 4, 3, 3, 3, 3, 2, 2, 2, 3, 2, 2, 2, 2, 1, 1 }
+   { 4, 3, 3, 4, 4, 3, 3, 3, 3, 2, 2, 2, 3, 2, 2, 2, 2, 1, 1 }
 
-#define FFT_N_NUM 15
+#define FFT_N_NUM 19
 
 #define FFT_MULMOD_2EXPP1_CUTOFF 128
 
 
-/* Tuneup completed successfully, took 774 seconds */
+/* Tuneup completed successfully, took 565 seconds */