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332
blender-5.2.0/extern/gmp-source/mpn/alpha/ev5/diveby3.asm vendored Normal file
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dnl Alpha mpn_divexact_by3c -- mpn division by 3, expecting no remainder.
dnl Copyright 2004, 2005, 2009 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 EV4: 22
C EV5: 11.5
C EV6: 6.3 Note that mpn_bdiv_dbm1c is faster
C TODO
C * Remove the unops, they benefit just ev6, which no longer uses this file.
C * Try prefetch for destination, using lds.
C * Improve feed-in code, by moving initial mulq earlier; make initial load
C to u0/u0 to save some copying.
C * Combine u0 and u2, u1 and u3.
C INPUT PARAMETERS
define(`rp', `r16')
define(`up', `r17')
define(`n', `r18')
define(`cy', `r19')
ASM_START()
DATASTART(L(LC),8)
.quad 0xAAAAAAAAAAAAAAAB
.quad 0x5555555555555555
.quad 0xAAAAAAAAAAAAAAAA
DATAEND()
define(`xAAAAAAAAAAAAAAAB', `r20')
define(`x5555555555555555', `r21')
define(`xAAAAAAAAAAAAAAAA', `r22')
define(`u0', `r0') define(`u1', `r1')
define(`u2', `r2') define(`u3', `r3')
define(`l0', `r25') define(`x', `r8')
define(`q0', `r4') define(`q1', `r5')
define(`p6', `r6') define(`p7', `r7')
define(`t0', `r23') define(`t1', `r24')
define(`cymask',`r28')
PROLOGUE(mpn_divexact_by3c,gp)
ldq r28, 0(up) C load first limb early
C Put magic constants in registers
lda r0, L(LC)
ldq xAAAAAAAAAAAAAAAB, 0(r0)
ldq x5555555555555555, 8(r0)
ldq xAAAAAAAAAAAAAAAA, 16(r0)
C Compute initial l0 value
cmpeq cy, 1, p6
cmpeq cy, 2, p7
negq p6, p6
and p6, x5555555555555555, l0
cmovne p7, xAAAAAAAAAAAAAAAA, l0
C Feed-in depending on (n mod 4)
and n, 3, r8
lda n, -3(n)
cmpeq r8, 1, r4
cmpeq r8, 2, r5
bne r4, $Lb01
bne r5, $Lb10
beq r8, $Lb00
$Lb11: ldq u3, 8(up)
lda up, -24(up)
lda rp, -24(rp)
mulq r28, xAAAAAAAAAAAAAAAB, q0
mov r28, u2
br r31, $L11
$Lb00: ldq u2, 8(up)
lda up, -16(up)
lda rp, -16(rp)
mulq r28, xAAAAAAAAAAAAAAAB, q1
mov r28, u1
br r31, $L00
$Lb01: lda rp, -8(rp)
mulq r28, xAAAAAAAAAAAAAAAB, q0
mov r28, u0
blt n, $Lcj1
ldq u1, 8(up)
lda up, -8(up)
br r31, $L01
$Lb10: ldq u0, 8(up)
mulq r28, xAAAAAAAAAAAAAAAB, q1
mov r28, u3
blt n, $Lend
ALIGN(16)
$Ltop:
C 0
cmpult u3, cy, cy C L0
mulq u0, xAAAAAAAAAAAAAAAB, q0 C U1
ldq u1, 16(up) C L1
addq q1, l0, x C U0
C 1
negq cy, cymask C L0
unop C U1
unop C L1
cmpult x5555555555555555, x, p6 C U0
C 2
cmpult xAAAAAAAAAAAAAAAA, x, p7 C U1
unop
unop
negq p6, t0 C L0
C 3
negq p7, t1 C L0
and cymask, x5555555555555555, l0 C U1
addq p6, cy, cy
and t0, x5555555555555555, t0
C 4
and t1, x5555555555555555, t1
addq p7, cy, cy
unop
addq t0, l0, l0
C 5
addq t1, l0, l0
unop
stq x, 0(rp) C L1
unop
$L01:
C 0
cmpult u0, cy, cy C L0
mulq u1, xAAAAAAAAAAAAAAAB, q1 C U1
ldq u2, 24(up) C L1
addq q0, l0, x C U0
C 1
negq cy, cymask C L0
unop C U1
unop C L1
cmpult x5555555555555555, x, p6 C U0
C 2
cmpult xAAAAAAAAAAAAAAAA, x, p7 C U1
unop
unop
negq p6, t0 C L0
C 3
negq p7, t1 C L0
and cymask, x5555555555555555, l0 C U1
addq p6, cy, cy
and t0, x5555555555555555, t0
C 4
and t1, x5555555555555555, t1
addq p7, cy, cy
unop
addq t0, l0, l0
C 5
addq t1, l0, l0
unop
stq x, 8(rp) C L1
unop
$L00:
C 0
cmpult u1, cy, cy C L0
mulq u2, xAAAAAAAAAAAAAAAB, q0 C U1
ldq u3, 32(up) C L1
addq q1, l0, x C U0
C 1
negq cy, cymask C L0
unop C U1
unop C L1
cmpult x5555555555555555, x, p6 C U0
C 2
cmpult xAAAAAAAAAAAAAAAA, x, p7 C U1
unop
unop
negq p6, t0 C L0
C 3
negq p7, t1 C L0
and cymask, x5555555555555555, l0 C U1
addq p6, cy, cy
and t0, x5555555555555555, t0
C 4
and t1, x5555555555555555, t1
addq p7, cy, cy
unop
addq t0, l0, l0
C 5
addq t1, l0, l0
unop
stq x, 16(rp) C L1
unop
$L11:
C 0
cmpult u2, cy, cy C L0
mulq u3, xAAAAAAAAAAAAAAAB, q1 C U1
ldq u0, 40(up) C L1
addq q0, l0, x C U0
C 1
negq cy, cymask C L0
unop C U1
unop C L1
cmpult x5555555555555555, x, p6 C U0
C 2
cmpult xAAAAAAAAAAAAAAAA, x, p7 C U1
lda n, -4(n) C L1 bookkeeping
unop
negq p6, t0 C L0
C 3
negq p7, t1 C L0
and cymask, x5555555555555555, l0 C U1
addq p6, cy, cy
and t0, x5555555555555555, t0
C 4
and t1, x5555555555555555, t1
addq p7, cy, cy
unop
addq t0, l0, l0
C 5
addq t1, l0, l0
unop
stq x, 24(rp) C L1
lda up, 32(up)
C
ldl r31, 256(up) C prefetch
unop
lda rp, 32(rp)
bge n, $Ltop C U1
C *** MAIN LOOP END ***
$Lend:
cmpult u3, cy, cy C L0
mulq u0, xAAAAAAAAAAAAAAAB, q0 C U1
unop
addq q1, l0, x C U0
C 1
negq cy, cymask C L0
unop C U1
unop C L1
cmpult x5555555555555555, x, p6 C U0
C 2
cmpult xAAAAAAAAAAAAAAAA, x, p7 C U1
unop
unop
negq p6, t0 C L0
C 3
negq p7, t1 C L0
and cymask, x5555555555555555, l0 C U1
addq p6, cy, cy
and t0, x5555555555555555, t0
C 4
and t1, x5555555555555555, t1
addq p7, cy, cy
unop
addq t0, l0, l0
C 5
addq t1, l0, l0
unop
stq x, 0(rp) C L1
unop
$Lcj1:
cmpult u0, cy, cy C L0
addq q0, l0, x C U0
cmpult x5555555555555555, x, p6 C U0
cmpult xAAAAAAAAAAAAAAAA, x, p7 C U1
addq p6, cy, cy
addq p7, cy, r0
stq x, 8(rp) C L1
ret r31,(r26),1
EPILOGUE()
ASM_END()
C This is useful for playing with various schedules.
C Expand as: one(0)one(1)one(2)one(3)
define(`one',`
C 0
cmpult `$'eval(($1+3)%4), cy, cy C L0
mulq `$'$1, xAAAAAAAAAAAAAAAB, `$'eval(4+$1%2) C U1
ldq `$'eval(($1+1)%4), eval($1*8+16)(up) C L1
addq `$'eval(4+($1+1)%2), l0, x C U0
C 1
negq cy, cymask C L0
unop C U1
unop C L1
cmpult x5555555555555555, x, p6 C U0
C 2
cmpult xAAAAAAAAAAAAAAAA, x, p7 C U1
unop
unop
negq p6, t0 C L0
C 3
negq p7, t1 C L0
and cymask, x5555555555555555, l0 C U1
addq p6, cy, cy
and t0, x5555555555555555, t0
C 4
and t1, x5555555555555555, t1
addq p7, cy, cy
unop
addq t0, l0, l0
C 5
addq t1, l0, l0
unop
stq x, eval($1*8)(rp) C L1
unop
')

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/* Alpha EV5 gmp-mparam.h -- Compiler/machine parameter header file.
Copyright 1991-2017 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 GMP_LIMB_BITS 64
#define GMP_LIMB_BYTES 8
/* 600 MHz 21164A */
/* FFT tuning limit = 5000000 */
/* Generated by tuneup.c, 2017-02-02, gcc 4.9 */
#define DIVREM_1_NORM_THRESHOLD 0 /* preinv always */
#define DIVREM_1_UNNORM_THRESHOLD 0 /* always */
#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 10
#define MOD_1U_TO_MOD_1_1_THRESHOLD 7
#define MOD_1_1_TO_MOD_1_2_THRESHOLD 22
#define MOD_1_2_TO_MOD_1_4_THRESHOLD 0 /* never mpn_mod_1s_2p */
#define PREINV_MOD_1_TO_MOD_1_THRESHOLD 20
#define USE_PREINV_DIVREM_1 1 /* preinv always */
#define DIV_QR_1N_PI1_METHOD 1
#define DIV_QR_1_NORM_THRESHOLD MP_SIZE_T_MAX /* never */
#define DIV_QR_1_UNNORM_THRESHOLD MP_SIZE_T_MAX /* never */
#define DIV_QR_2_PI2_THRESHOLD MP_SIZE_T_MAX /* never */
#define DIVEXACT_1_THRESHOLD 0 /* always */
#define BMOD_1_TO_MOD_1_THRESHOLD 69
#define DIV_1_VS_MUL_1_PERCENT 181
#define MUL_TOOM22_THRESHOLD 16
#define MUL_TOOM33_THRESHOLD 50
#define MUL_TOOM44_THRESHOLD 118
#define MUL_TOOM6H_THRESHOLD 173
#define MUL_TOOM8H_THRESHOLD 236
#define MUL_TOOM32_TO_TOOM43_THRESHOLD 49
#define MUL_TOOM32_TO_TOOM53_THRESHOLD 84
#define MUL_TOOM42_TO_TOOM53_THRESHOLD 81
#define MUL_TOOM42_TO_TOOM63_THRESHOLD 53
#define MUL_TOOM43_TO_TOOM54_THRESHOLD 70
#define SQR_BASECASE_THRESHOLD 0 /* always */
#define SQR_TOOM2_THRESHOLD 22
#define SQR_TOOM3_THRESHOLD 69
#define SQR_TOOM4_THRESHOLD 178
#define SQR_TOOM6_THRESHOLD 189
#define SQR_TOOM8_THRESHOLD 357
#define MULMID_TOOM42_THRESHOLD 18
#define MULMOD_BNM1_THRESHOLD 9
#define SQRMOD_BNM1_THRESHOLD 12
#define MUL_FFT_MODF_THRESHOLD 284 /* k = 5 */
#define MUL_FFT_TABLE3 \
{ { 284, 5}, { 11, 6}, { 6, 5}, { 13, 6}, \
{ 7, 5}, { 15, 6}, { 13, 7}, { 7, 6}, \
{ 15, 7}, { 8, 6}, { 17, 7}, { 13, 8}, \
{ 7, 7}, { 17, 8}, { 9, 7}, { 20, 8}, \
{ 11, 7}, { 23, 8}, { 13, 9}, { 7, 8}, \
{ 19, 9}, { 11, 8}, { 25,10}, { 7, 9}, \
{ 15, 8}, { 33, 9}, { 19, 8}, { 39, 9}, \
{ 23, 8}, { 47,10}, { 15, 9}, { 39,10}, \
{ 23, 9}, { 47,11}, { 15,10}, { 31, 9}, \
{ 67,10}, { 39, 9}, { 79,10}, { 47, 9}, \
{ 95,10}, { 55,11}, { 31,10}, { 63, 8}, \
{ 255, 7}, { 511,10}, { 71, 9}, { 143, 8}, \
{ 287, 7}, { 575, 9}, { 159, 8}, { 319,11}, \
{ 47,12}, { 31,11}, { 63, 9}, { 255, 8}, \
{ 511,10}, { 143, 9}, { 287,11}, { 79,10}, \
{ 159, 9}, { 319,10}, { 175, 9}, { 351, 8}, \
{ 703,10}, { 191, 9}, { 383,10}, { 207, 9}, \
{ 415,12}, { 63,10}, { 255,11}, { 143,10}, \
{ 287, 9}, { 575,11}, { 159,10}, { 319, 9}, \
{ 639,11}, { 175,12}, { 95,11}, { 191,10}, \
{ 383,11}, { 207,10}, { 415,11}, { 223,13}, \
{ 63,11}, { 287,10}, { 575,12}, { 159,11}, \
{ 319,10}, { 639,11}, { 351,12}, { 191,11}, \
{ 415,12}, { 223,11}, { 447,10}, { 895,11}, \
{ 479,12}, { 287,11}, { 575,12}, { 351,13}, \
{ 191,12}, { 479,13}, { 255,12}, { 575,13}, \
{ 319,12}, { 703,13}, { 383,12}, { 831,13}, \
{ 447,14}, { 255,13}, { 8192,14}, { 16384,15}, \
{ 32768,16}, { 65536,17}, { 131072,18}, { 262144,19}, \
{ 524288,20}, {1048576,21}, {2097152,22}, {4194304,23}, \
{8388608,24} }
#define MUL_FFT_TABLE3_SIZE 121
#define MUL_FFT_THRESHOLD 4224
#define SQR_FFT_MODF_THRESHOLD 240 /* k = 5 */
#define SQR_FFT_TABLE3 \
{ { 240, 5}, { 13, 6}, { 7, 5}, { 15, 6}, \
{ 14, 5}, { 29, 7}, { 9, 6}, { 19, 7}, \
{ 13, 6}, { 27, 8}, { 7, 7}, { 21, 8}, \
{ 11, 7}, { 29, 8}, { 19, 9}, { 11, 8}, \
{ 27,10}, { 7, 9}, { 15, 8}, { 33, 9}, \
{ 19, 8}, { 39, 9}, { 23, 8}, { 47,10}, \
{ 15, 9}, { 39,10}, { 23, 9}, { 47,11}, \
{ 15,10}, { 31, 9}, { 67,10}, { 39, 9}, \
{ 79,10}, { 47,11}, { 31,10}, { 63, 9}, \
{ 127, 8}, { 255,10}, { 71, 9}, { 143, 8}, \
{ 287,10}, { 79,11}, { 47,12}, { 31,11}, \
{ 63,10}, { 127, 9}, { 255,10}, { 143, 9}, \
{ 287,11}, { 79,10}, { 159, 9}, { 319,10}, \
{ 175,11}, { 95,10}, { 191, 9}, { 383,10}, \
{ 207, 9}, { 415,11}, { 111,10}, { 223,12}, \
{ 63,11}, { 175,12}, { 95,11}, { 207,13}, \
{ 63,12}, { 127,11}, { 287,12}, { 159,11}, \
{ 351,12}, { 191,11}, { 415,12}, { 223,11}, \
{ 447,13}, { 127,12}, { 351,13}, { 191,12}, \
{ 383,11}, { 767,12}, { 415,11}, { 831,12}, \
{ 447,14}, { 127,13}, { 255,12}, { 511,11}, \
{ 1087,12}, { 575,13}, { 319,12}, { 703,13}, \
{ 383,12}, { 831,13}, { 447,14}, { 255,13}, \
{ 511,12}, { 1023,13}, { 8192,14}, { 16384,15}, \
{ 32768,16}, { 65536,17}, { 131072,18}, { 262144,19}, \
{ 524288,20}, {1048576,21}, {2097152,22}, {4194304,23}, \
{8388608,24} }
#define SQR_FFT_TABLE3_SIZE 105
#define SQR_FFT_THRESHOLD 3968
#define MULLO_BASECASE_THRESHOLD 0 /* always */
#define MULLO_DC_THRESHOLD 50
#define MULLO_MUL_N_THRESHOLD 5558
#define SQRLO_BASECASE_THRESHOLD 0 /* always */
#define SQRLO_DC_THRESHOLD 78
#define SQRLO_SQR_THRESHOLD 3597
#define DC_DIV_QR_THRESHOLD 47
#define DC_DIVAPPR_Q_THRESHOLD 167
#define DC_BDIV_QR_THRESHOLD 47
#define DC_BDIV_Q_THRESHOLD 110
#define INV_MULMOD_BNM1_THRESHOLD 30
#define INV_NEWTON_THRESHOLD 181
#define INV_APPR_THRESHOLD 173
#define BINV_NEWTON_THRESHOLD 182
#define REDC_1_TO_REDC_N_THRESHOLD 47
#define MU_DIV_QR_THRESHOLD 979
#define MU_DIVAPPR_Q_THRESHOLD 1142
#define MUPI_DIV_QR_THRESHOLD 90
#define MU_BDIV_QR_THRESHOLD 748
#define MU_BDIV_Q_THRESHOLD 979
#define POWM_SEC_TABLE 1,16,90,386,2177
#define GET_STR_DC_THRESHOLD 14
#define GET_STR_PRECOMPUTE_THRESHOLD 26
#define SET_STR_DC_THRESHOLD 363
#define SET_STR_PRECOMPUTE_THRESHOLD 1201
#define FAC_DSC_THRESHOLD 342
#define FAC_ODD_THRESHOLD 0 /* always */
#define MATRIX22_STRASSEN_THRESHOLD 13
#define HGCD_THRESHOLD 105
#define HGCD_APPR_THRESHOLD 108
#define HGCD_REDUCE_THRESHOLD 1679
#define GCD_DC_THRESHOLD 238
#define GCDEXT_DC_THRESHOLD 199
#define JACOBI_BASE_METHOD 2