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authorDuncan Wilkie <antigravityd@gmail.com>2023-11-18 06:11:09 -0600
committerDuncan Wilkie <antigravityd@gmail.com>2023-11-18 06:11:09 -0600
commit11da511c784eca003deb90c23570f0873954e0de (patch)
treee14fdd3d5d6345956d67e79ae771d0633d28362b /gmp-6.3.0/mpn/sparc32/ultrasparct1
Initial commit.
Diffstat (limited to 'gmp-6.3.0/mpn/sparc32/ultrasparct1')
-rw-r--r--gmp-6.3.0/mpn/sparc32/ultrasparct1/add_n.asm70
-rw-r--r--gmp-6.3.0/mpn/sparc32/ultrasparct1/addmul_1.asm90
-rw-r--r--gmp-6.3.0/mpn/sparc32/ultrasparct1/gmp-mparam.h153
-rw-r--r--gmp-6.3.0/mpn/sparc32/ultrasparct1/mul_1.asm83
-rw-r--r--gmp-6.3.0/mpn/sparc32/ultrasparct1/sqr_diagonal.asm55
-rw-r--r--gmp-6.3.0/mpn/sparc32/ultrasparct1/sub_n.asm70
-rw-r--r--gmp-6.3.0/mpn/sparc32/ultrasparct1/submul_1.asm91
7 files changed, 612 insertions, 0 deletions
diff --git a/gmp-6.3.0/mpn/sparc32/ultrasparct1/add_n.asm b/gmp-6.3.0/mpn/sparc32/ultrasparct1/add_n.asm
new file mode 100644
index 0000000..c781596
--- /dev/null
+++ b/gmp-6.3.0/mpn/sparc32/ultrasparct1/add_n.asm
@@ -0,0 +1,70 @@
+dnl SPARC T1 32-bit mpn_add_n.
+
+dnl Copyright 2010 Free Software Foundation, Inc.
+
+dnl This file is part of the GNU MP Library.
+dnl
+dnl The GNU MP Library is free software; you can redistribute it and/or modify
+dnl it under the terms of either:
+dnl
+dnl * the GNU Lesser General Public License as published by the Free
+dnl Software Foundation; either version 3 of the License, or (at your
+dnl option) any later version.
+dnl
+dnl or
+dnl
+dnl * the GNU General Public License as published by the Free Software
+dnl Foundation; either version 2 of the License, or (at your option) any
+dnl later version.
+dnl
+dnl or both in parallel, as here.
+dnl
+dnl The GNU MP Library is distributed in the hope that it will be useful, but
+dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+dnl for more details.
+dnl
+dnl You should have received copies of the GNU General Public License and the
+dnl GNU Lesser General Public License along with the GNU MP Library. If not,
+dnl see https://www.gnu.org/licenses/.
+
+include(`../config.m4')
+
+C INPUT PARAMETERS
+define(`rp', %o0)
+define(`ap', %o1)
+define(`bp', %o2)
+define(`n', %o3)
+define(`cy', %o4)
+
+define(`i', %o3)
+
+MULFUNC_PROLOGUE(mpn_add_n mpn_add_nc)
+
+ASM_START()
+PROLOGUE(mpn_add_nc)
+ b L(ent)
+ srl cy, 0, cy C strip any bogus high bits
+EPILOGUE()
+
+PROLOGUE(mpn_add_n)
+ mov 0, cy
+L(ent): srl n, 0, n C strip any bogus high bits
+ sll n, 2, n
+ add ap, n, ap
+ add bp, n, bp
+ add rp, n, rp
+ neg n, i
+
+L(top): lduw [ap+i], %g1
+ lduw [bp+i], %g2
+ add %g1, %g2, %g3
+ add %g3, cy, %g3
+ stw %g3, [rp+i]
+ add i, 4, i
+ brnz i, L(top)
+ srlx %g3, 32, cy
+
+ retl
+ mov cy, %o0 C return value
+EPILOGUE()
diff --git a/gmp-6.3.0/mpn/sparc32/ultrasparct1/addmul_1.asm b/gmp-6.3.0/mpn/sparc32/ultrasparct1/addmul_1.asm
new file mode 100644
index 0000000..89da186
--- /dev/null
+++ b/gmp-6.3.0/mpn/sparc32/ultrasparct1/addmul_1.asm
@@ -0,0 +1,90 @@
+dnl SPARC T1 32-bit mpn_addmul_1.
+
+dnl Contributed to the GNU project by David Miller.
+
+dnl Copyright 2010, 2013 Free Software Foundation, Inc.
+
+dnl This file is part of the GNU MP Library.
+dnl
+dnl The GNU MP Library is free software; you can redistribute it and/or modify
+dnl it under the terms of either:
+dnl
+dnl * the GNU Lesser General Public License as published by the Free
+dnl Software Foundation; either version 3 of the License, or (at your
+dnl option) any later version.
+dnl
+dnl or
+dnl
+dnl * the GNU General Public License as published by the Free Software
+dnl Foundation; either version 2 of the License, or (at your option) any
+dnl later version.
+dnl
+dnl or both in parallel, as here.
+dnl
+dnl The GNU MP Library is distributed in the hope that it will be useful, but
+dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+dnl for more details.
+dnl
+dnl You should have received copies of the GNU General Public License and the
+dnl GNU Lesser General Public License along with the GNU MP Library. If not,
+dnl see https://www.gnu.org/licenses/.
+
+include(`../config.m4')
+
+C cycles/limb
+C UltraSPARC T1: 24
+C UltraSPARC T2: 19
+C UltraSPARC T3: 19
+C UltraSPARC T4: 5
+
+C INPUT PARAMETERS
+define(`rp', `%i0')
+define(`up', `%i1')
+define(`n', `%i2')
+define(`v0', `%i3')
+
+ASM_START()
+PROLOGUE(mpn_addmul_1)
+ save %sp, -96, %sp
+ srl n, 0, %o4
+ srl v0, 0, %g1
+ subcc %o4, 1, %o4
+ be L(final_one)
+ clr %o5
+
+L(top): lduw [up+0], %l0
+ lduw [rp+0], %l2
+ lduw [up+4], %l1
+ lduw [rp+4], %l3
+ mulx %l0, %g1, %g3
+ add up, 8, up
+ mulx %l1, %g1, %o3
+ sub %o4, 2, %o4
+ add rp, 8, rp
+ add %l2, %g3, %g3
+ add %o5, %g3, %g3
+ stw %g3, [rp-8]
+ srlx %g3, 32, %o5
+ add %l3, %o3, %o3
+ add %o5, %o3, %o3
+ stw %o3, [rp-4]
+ brgz %o4, L(top)
+ srlx %o3, 32, %o5
+
+ brlz,pt %o4, L(done)
+ nop
+
+L(final_one):
+ lduw [up+0], %l0
+ lduw [rp+0], %l2
+ mulx %l0, %g1, %g3
+ add %l2, %g3, %g3
+ add %o5, %g3, %g3
+ stw %g3, [rp+0]
+ srlx %g3, 32, %o5
+
+L(done):
+ ret
+ restore %o5, 0, %o0
+EPILOGUE()
diff --git a/gmp-6.3.0/mpn/sparc32/ultrasparct1/gmp-mparam.h b/gmp-6.3.0/mpn/sparc32/ultrasparct1/gmp-mparam.h
new file mode 100644
index 0000000..6f9d5a4
--- /dev/null
+++ b/gmp-6.3.0/mpn/sparc32/ultrasparct1/gmp-mparam.h
@@ -0,0 +1,153 @@
+/* UltraSPARC T 32-bit gmp-mparam.h -- Compiler/machine parameter header file.
+
+Copyright 1991, 1993, 1994, 2000-2011 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of either:
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at your
+ option) any later version.
+
+or
+
+ * the GNU General Public License as published by the Free Software
+ Foundation; either version 2 of the License, or (at your option) any
+ later version.
+
+or both in parallel, as here.
+
+The GNU MP Library 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 copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library. If not,
+see https://www.gnu.org/licenses/. */
+
+#define DIVREM_1_NORM_THRESHOLD 0 /* always */
+#define DIVREM_1_UNNORM_THRESHOLD 3
+#define MOD_1_1P_METHOD 2
+#define MOD_1_NORM_THRESHOLD 0 /* always */
+#define MOD_1_UNNORM_THRESHOLD 0 /* always */
+#define MOD_1N_TO_MOD_1_1_THRESHOLD 9
+#define MOD_1U_TO_MOD_1_1_THRESHOLD 10
+#define MOD_1_1_TO_MOD_1_2_THRESHOLD 0 /* never mpn_mod_1_1p */
+#define MOD_1_2_TO_MOD_1_4_THRESHOLD 21
+#define PREINV_MOD_1_TO_MOD_1_THRESHOLD 22
+#define USE_PREINV_DIVREM_1 1
+#define DIV_QR_2_PI2_THRESHOLD MP_SIZE_T_MAX /* never */
+#define DIVEXACT_1_THRESHOLD 0 /* always */
+#define BMOD_1_TO_MOD_1_THRESHOLD 35
+
+#define MUL_TOOM22_THRESHOLD 14
+#define MUL_TOOM33_THRESHOLD 98
+#define MUL_TOOM44_THRESHOLD 166
+#define MUL_TOOM6H_THRESHOLD 226
+#define MUL_TOOM8H_THRESHOLD 333
+
+#define MUL_TOOM32_TO_TOOM43_THRESHOLD 97
+#define MUL_TOOM32_TO_TOOM53_THRESHOLD 139
+#define MUL_TOOM42_TO_TOOM53_THRESHOLD 97
+#define MUL_TOOM42_TO_TOOM63_THRESHOLD 98
+#define MUL_TOOM43_TO_TOOM54_THRESHOLD 120
+
+#define SQR_BASECASE_THRESHOLD 6
+#define SQR_TOOM2_THRESHOLD 34
+#define SQR_TOOM3_THRESHOLD 110
+#define SQR_TOOM4_THRESHOLD 178
+#define SQR_TOOM6_THRESHOLD 240
+#define SQR_TOOM8_THRESHOLD 333
+
+#define MULMID_TOOM42_THRESHOLD 22
+
+#define MULMOD_BNM1_THRESHOLD 9
+#define SQRMOD_BNM1_THRESHOLD 13
+
+#define MUL_FFT_MODF_THRESHOLD 280 /* k = 5 */
+#define MUL_FFT_TABLE3 \
+ { { 280, 5}, { 15, 6}, { 8, 5}, { 17, 6}, \
+ { 9, 5}, { 19, 6}, { 13, 7}, { 7, 6}, \
+ { 17, 7}, { 9, 6}, { 20, 7}, { 11, 6}, \
+ { 23, 7}, { 13, 8}, { 7, 7}, { 21, 8}, \
+ { 11, 7}, { 25, 9}, { 7, 8}, { 15, 7}, \
+ { 33, 8}, { 19, 7}, { 41, 8}, { 23, 7}, \
+ { 49, 8}, { 27, 9}, { 15, 8}, { 31, 7}, \
+ { 63, 8}, { 39, 9}, { 23, 8}, { 47,10}, \
+ { 15, 9}, { 31, 8}, { 67, 9}, { 39, 8}, \
+ { 79, 9}, { 47,10}, { 31, 9}, { 79,10}, \
+ { 47,11}, { 31,10}, { 63, 9}, { 127, 8}, \
+ { 255,10}, { 79, 9}, { 159, 8}, { 319,10}, \
+ { 95, 9}, { 191, 8}, { 383,11}, { 63,10}, \
+ { 127, 9}, { 255,10}, { 143, 9}, { 287,10}, \
+ { 159, 9}, { 319,10}, { 175,11}, { 95,10}, \
+ { 191, 9}, { 383,12}, { 4096,13}, { 8192,14}, \
+ { 16384,15}, { 32768,16} }
+#define MUL_FFT_TABLE3_SIZE 66
+#define MUL_FFT_THRESHOLD 3712
+
+#define SQR_FFT_MODF_THRESHOLD 240 /* k = 5 */
+#define SQR_FFT_TABLE3 \
+ { { 240, 5}, { 15, 6}, { 8, 5}, { 17, 6}, \
+ { 13, 7}, { 7, 6}, { 17, 7}, { 9, 6}, \
+ { 20, 7}, { 11, 6}, { 23, 7}, { 13, 8}, \
+ { 7, 7}, { 19, 8}, { 11, 7}, { 25, 9}, \
+ { 7, 8}, { 15, 7}, { 33, 8}, { 19, 7}, \
+ { 39, 8}, { 23, 7}, { 47, 8}, { 27, 9}, \
+ { 15, 8}, { 39, 9}, { 23, 8}, { 47,10}, \
+ { 15, 9}, { 31, 8}, { 63, 9}, { 39, 8}, \
+ { 79, 9}, { 47,10}, { 31, 9}, { 63, 8}, \
+ { 127, 9}, { 71, 8}, { 143, 9}, { 79,10}, \
+ { 47,11}, { 31,10}, { 63, 9}, { 127, 8}, \
+ { 255, 9}, { 143,10}, { 79, 9}, { 159, 8}, \
+ { 319, 9}, { 175,10}, { 95, 9}, { 191, 8}, \
+ { 383, 9}, { 207,11}, { 63,10}, { 127, 9}, \
+ { 255,10}, { 143, 9}, { 287,10}, { 159, 9}, \
+ { 319,10}, { 175,11}, { 95,10}, { 191, 9}, \
+ { 383,10}, { 207,12}, { 4096,13}, { 8192,14}, \
+ { 16384,15}, { 32768,16} }
+#define SQR_FFT_TABLE3_SIZE 70
+#define SQR_FFT_THRESHOLD 2624
+
+#define MULLO_BASECASE_THRESHOLD 0 /* always */
+#define MULLO_DC_THRESHOLD 51
+#define MULLO_MUL_N_THRESHOLD 6633
+
+#define DC_DIV_QR_THRESHOLD 51
+#define DC_DIVAPPR_Q_THRESHOLD 202
+#define DC_BDIV_QR_THRESHOLD 47
+#define DC_BDIV_Q_THRESHOLD 124
+
+#define INV_MULMOD_BNM1_THRESHOLD 26
+#define INV_NEWTON_THRESHOLD 266
+#define INV_APPR_THRESHOLD 222
+
+#define BINV_NEWTON_THRESHOLD 296
+#define REDC_1_TO_REDC_N_THRESHOLD 59
+
+#define MU_DIV_QR_THRESHOLD 1334
+#define MU_DIVAPPR_Q_THRESHOLD 1499
+#define MUPI_DIV_QR_THRESHOLD 116
+#define MU_BDIV_QR_THRESHOLD 1057
+#define MU_BDIV_Q_THRESHOLD 1334
+
+#define POWM_SEC_TABLE 6,35,213,724,2618
+
+#define MATRIX22_STRASSEN_THRESHOLD 15
+#define HGCD_THRESHOLD 84
+#define HGCD_APPR_THRESHOLD 101
+#define HGCD_REDUCE_THRESHOLD 1437
+#define GCD_DC_THRESHOLD 372
+#define GCDEXT_DC_THRESHOLD 253
+#define JACOBI_BASE_METHOD 2
+
+#define GET_STR_DC_THRESHOLD 12
+#define GET_STR_PRECOMPUTE_THRESHOLD 27
+#define SET_STR_DC_THRESHOLD 399
+#define SET_STR_PRECOMPUTE_THRESHOLD 885
+
+#define FAC_DSC_THRESHOLD 179
+#define FAC_ODD_THRESHOLD 29
diff --git a/gmp-6.3.0/mpn/sparc32/ultrasparct1/mul_1.asm b/gmp-6.3.0/mpn/sparc32/ultrasparct1/mul_1.asm
new file mode 100644
index 0000000..0239cd2
--- /dev/null
+++ b/gmp-6.3.0/mpn/sparc32/ultrasparct1/mul_1.asm
@@ -0,0 +1,83 @@
+dnl SPARC T1 32-bit mpn_mul_1.
+
+dnl Contributed to the GNU project by David Miller.
+
+dnl Copyright 2010, 2013 Free Software Foundation, Inc.
+
+dnl This file is part of the GNU MP Library.
+dnl
+dnl The GNU MP Library is free software; you can redistribute it and/or modify
+dnl it under the terms of either:
+dnl
+dnl * the GNU Lesser General Public License as published by the Free
+dnl Software Foundation; either version 3 of the License, or (at your
+dnl option) any later version.
+dnl
+dnl or
+dnl
+dnl * the GNU General Public License as published by the Free Software
+dnl Foundation; either version 2 of the License, or (at your option) any
+dnl later version.
+dnl
+dnl or both in parallel, as here.
+dnl
+dnl The GNU MP Library is distributed in the hope that it will be useful, but
+dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+dnl for more details.
+dnl
+dnl You should have received copies of the GNU General Public License and the
+dnl GNU Lesser General Public License along with the GNU MP Library. If not,
+dnl see https://www.gnu.org/licenses/.
+
+include(`../config.m4')
+
+C cycles/limb
+C UltraSPARC T1: 20
+C UltraSPARC T2: 18
+C UltraSPARC T3: 18
+C UltraSPARC T4: 4
+
+C INPUT PARAMETERS
+define(`rp', `%o0')
+define(`up', `%o1')
+define(`n', `%o2')
+define(`v0', `%o3')
+
+ASM_START()
+PROLOGUE(mpn_mul_1)
+ srl n, 0, n
+ srl v0, 0, v0
+ subcc n, 1, n
+ be L(final_one)
+ clr %o5
+
+L(top): lduw [up+0], %g1
+ lduw [up+4], %g2
+ mulx %g1, v0, %g3
+ add up, 8, up
+ mulx %g2, v0, %o4
+ sub n, 2, n
+ add rp, 8, rp
+ add %o5, %g3, %g3
+ stw %g3, [rp-8]
+ srlx %g3, 32, %o5
+ add %o5, %o4, %o4
+ stw %o4, [rp-4]
+ brgz n, L(top)
+ srlx %o4, 32, %o5
+
+ brlz,pt n, L(done)
+ nop
+
+L(final_one):
+ lduw [up+0], %g1
+ mulx %g1, v0, %g3
+ add %o5, %g3, %g3
+ stw %g3, [rp+0]
+ srlx %g3, 32, %o5
+
+L(done):
+ retl
+ mov %o5, %o0
+EPILOGUE()
diff --git a/gmp-6.3.0/mpn/sparc32/ultrasparct1/sqr_diagonal.asm b/gmp-6.3.0/mpn/sparc32/ultrasparct1/sqr_diagonal.asm
new file mode 100644
index 0000000..3b906ef
--- /dev/null
+++ b/gmp-6.3.0/mpn/sparc32/ultrasparct1/sqr_diagonal.asm
@@ -0,0 +1,55 @@
+dnl SPARC T1 32-bit mpn_sqr_diagonal.
+
+dnl Copyright 2010 Free Software Foundation, Inc.
+
+dnl This file is part of the GNU MP Library.
+dnl
+dnl The GNU MP Library is free software; you can redistribute it and/or modify
+dnl it under the terms of either:
+dnl
+dnl * the GNU Lesser General Public License as published by the Free
+dnl Software Foundation; either version 3 of the License, or (at your
+dnl option) any later version.
+dnl
+dnl or
+dnl
+dnl * the GNU General Public License as published by the Free Software
+dnl Foundation; either version 2 of the License, or (at your option) any
+dnl later version.
+dnl
+dnl or both in parallel, as here.
+dnl
+dnl The GNU MP Library is distributed in the hope that it will be useful, but
+dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+dnl for more details.
+dnl
+dnl You should have received copies of the GNU General Public License and the
+dnl GNU Lesser General Public License along with the GNU MP Library. If not,
+dnl see https://www.gnu.org/licenses/.
+
+include(`../config.m4')
+
+C INPUT PARAMETERS
+define(`rp', `%o0')
+define(`up', `%o1')
+define(`n', `%o2')
+
+ASM_START()
+PROLOGUE(mpn_sqr_diagonal)
+ deccc n C n--
+ nop
+
+L(top): lduw [up+0], %g1
+ add up, 4, up C up++
+ mulx %g1, %g1, %g3
+ stw %g3, [rp+0]
+ srlx %g3, 32, %g4
+ stw %g4, [rp+4]
+ add rp, 8, rp C rp += 2
+ bnz %icc, L(top)
+ deccc n C n--
+
+ retl
+ nop
+EPILOGUE()
diff --git a/gmp-6.3.0/mpn/sparc32/ultrasparct1/sub_n.asm b/gmp-6.3.0/mpn/sparc32/ultrasparct1/sub_n.asm
new file mode 100644
index 0000000..946bc3f
--- /dev/null
+++ b/gmp-6.3.0/mpn/sparc32/ultrasparct1/sub_n.asm
@@ -0,0 +1,70 @@
+dnl SPARC T1 32-bit mpn_sub_n.
+
+dnl Copyright 2010 Free Software Foundation, Inc.
+
+dnl This file is part of the GNU MP Library.
+dnl
+dnl The GNU MP Library is free software; you can redistribute it and/or modify
+dnl it under the terms of either:
+dnl
+dnl * the GNU Lesser General Public License as published by the Free
+dnl Software Foundation; either version 3 of the License, or (at your
+dnl option) any later version.
+dnl
+dnl or
+dnl
+dnl * the GNU General Public License as published by the Free Software
+dnl Foundation; either version 2 of the License, or (at your option) any
+dnl later version.
+dnl
+dnl or both in parallel, as here.
+dnl
+dnl The GNU MP Library is distributed in the hope that it will be useful, but
+dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+dnl for more details.
+dnl
+dnl You should have received copies of the GNU General Public License and the
+dnl GNU Lesser General Public License along with the GNU MP Library. If not,
+dnl see https://www.gnu.org/licenses/.
+
+include(`../config.m4')
+
+C INPUT PARAMETERS
+define(`rp', %o0)
+define(`ap', %o1)
+define(`bp', %o2)
+define(`n', %o3)
+define(`cy', %o4)
+
+define(`i', %o3)
+
+MULFUNC_PROLOGUE(mpn_sub_n mpn_sub_nc)
+
+ASM_START()
+PROLOGUE(mpn_sub_nc)
+ b L(ent)
+ srl cy, 0, cy C strip any bogus high bits
+EPILOGUE()
+
+PROLOGUE(mpn_sub_n)
+ mov 0, cy
+L(ent): srl n, 0, n C strip any bogus high bits
+ sll n, 2, n
+ add ap, n, ap
+ add bp, n, bp
+ add rp, n, rp
+ neg n, i
+
+L(top): lduw [ap+i], %g1
+ lduw [bp+i], %g2
+ sub %g1, %g2, %g3
+ sub %g3, cy, %g3
+ stw %g3, [rp+i]
+ add i, 4, i
+ brnz i, L(top)
+ srlx %g3, 63, cy
+
+ retl
+ mov cy, %o0 C return value
+EPILOGUE()
diff --git a/gmp-6.3.0/mpn/sparc32/ultrasparct1/submul_1.asm b/gmp-6.3.0/mpn/sparc32/ultrasparct1/submul_1.asm
new file mode 100644
index 0000000..8920070
--- /dev/null
+++ b/gmp-6.3.0/mpn/sparc32/ultrasparct1/submul_1.asm
@@ -0,0 +1,91 @@
+dnl SPARC T1 32-bit mpn_submul_1.
+
+dnl Contributed to the GNU project by David Miller.
+
+dnl Copyright 2010, 2013 Free Software Foundation, Inc.
+
+dnl This file is part of the GNU MP Library.
+dnl
+dnl The GNU MP Library is free software; you can redistribute it and/or modify
+dnl it under the terms of either:
+dnl
+dnl * the GNU Lesser General Public License as published by the Free
+dnl Software Foundation; either version 3 of the License, or (at your
+dnl option) any later version.
+dnl
+dnl or
+dnl
+dnl * the GNU General Public License as published by the Free Software
+dnl Foundation; either version 2 of the License, or (at your option) any
+dnl later version.
+dnl
+dnl or both in parallel, as here.
+dnl
+dnl The GNU MP Library is distributed in the hope that it will be useful, but
+dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+dnl for more details.
+dnl
+dnl You should have received copies of the GNU General Public License and the
+dnl GNU Lesser General Public License along with the GNU MP Library. If not,
+dnl see https://www.gnu.org/licenses/.
+
+include(`../config.m4')
+
+C cycles/limb
+C UltraSPARC T1: 24
+C UltraSPARC T2: 19
+C UltraSPARC T3: 19
+C UltraSPARC T4: 5
+
+C INPUT PARAMETERS
+define(`rp', `%i0')
+define(`up', `%i1')
+define(`n', `%i2')
+define(`v0', `%i3')
+
+ASM_START()
+PROLOGUE(mpn_submul_1)
+ save %sp, -96, %sp
+ srl n, 0, %o4
+ srl v0, 0, %g1
+ subcc %o4, 1, %o4
+ be L(final_one)
+ subcc %g0, 0, %o5
+
+L(top): lduw [up+0], %l0
+ lduw [rp+0], %l2
+ lduw [up+4], %l1
+ lduw [rp+4], %l3
+ mulx %l0, %g1, %g3
+ add up, 8, up
+ mulx %l1, %g1, %o3
+ sub %o4, 2, %o4
+ add rp, 8, rp
+ addx %o5, %g3, %g3
+ srlx %g3, 32, %o5
+ subcc %l2, %g3, %g3
+ stw %g3, [rp-8]
+ addx %o5, %o3, %o3
+ srlx %o3, 32, %o5
+ subcc %l3, %o3, %o3
+ brgz %o4, L(top)
+ stw %o3, [rp-4]
+
+ brlz,pt %o4, L(done)
+ nop
+
+L(final_one):
+ lduw [up+0], %l0
+ lduw [rp+0], %l2
+ mulx %l0, %g1, %g3
+ addx %o5, %g3, %g3
+ srlx %g3, 32, %o5
+ subcc %l2, %g3, %g3
+ stw %g3, [rp+0]
+
+L(done):
+ addx %o5, 0, %o5
+ ret
+ restore %o5, 0, %o0
+EPILOGUE()