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      1 /*  Copyright (C) 2011 IBM
      2 
      3  Author: Maynard Johnson <maynardj (at) us.ibm.com>
      4 
      5  This program is free software; you can redistribute it and/or
      6  modify it under the terms of the GNU General Public License as
      7  published by the Free Software Foundation; either version 2 of the
      8  License, or (at your option) any later version.
      9 
     10  This program is distributed in the hope that it will be useful, but
     11  WITHOUT ANY WARRANTY; without even the implied warranty of
     12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  General Public License for more details.
     14 
     15  You should have received a copy of the GNU General Public License
     16  along with this program; if not, write to the Free Software
     17  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     18  02111-1307, USA.
     19 
     20  The GNU General Public License is contained in the file COPYING.
     21  */
     22 
     23 #ifdef HAS_VSX
     24 
     25 #include <stdio.h>
     26 #include <stdint.h>
     27 #include <stdlib.h>
     28 #include <string.h>
     29 #include <malloc.h>
     30 #include <altivec.h>
     31 #include <math.h>
     32 #include <unistd.h>    // getopt
     33 
     34 #ifndef __powerpc64__
     35 typedef uint32_t HWord_t;
     36 #else
     37 typedef uint64_t HWord_t;
     38 #endif /* __powerpc64__ */
     39 
     40 typedef unsigned char Bool;
     41 #define True 1
     42 #define False 0
     43 
     44 #ifdef VGP_ppc64le_linux
     45 #define isLE 1
     46 #else
     47 #define isLE 0
     48 #endif
     49 
     50 register HWord_t r14 __asm__ ("r14");
     51 register HWord_t r15 __asm__ ("r15");
     52 register HWord_t r16 __asm__ ("r16");
     53 register HWord_t r17 __asm__ ("r17");
     54 register double f14 __asm__ ("fr14");
     55 register double f15 __asm__ ("fr15");
     56 register double f16 __asm__ ("fr16");
     57 register double f17 __asm__ ("fr17");
     58 
     59 static volatile unsigned int div_flags, div_xer;
     60 
     61 #define ALLCR "cr0","cr1","cr2","cr3","cr4","cr5","cr6","cr7"
     62 
     63 #define SET_CR(_arg) \
     64       __asm__ __volatile__ ("mtcr  %0" : : "b"(_arg) : ALLCR );
     65 
     66 #define SET_XER(_arg) \
     67       __asm__ __volatile__ ("mtxer %0" : : "b"(_arg) : "xer" );
     68 
     69 #define GET_CR(_lval) \
     70       __asm__ __volatile__ ("mfcr %0"  : "=b"(_lval) )
     71 
     72 #define GET_XER(_lval) \
     73       __asm__ __volatile__ ("mfxer %0" : "=b"(_lval) )
     74 
     75 #define GET_CR_XER(_lval_cr,_lval_xer) \
     76    do { GET_CR(_lval_cr); GET_XER(_lval_xer); } while (0)
     77 
     78 #define SET_CR_ZERO \
     79       SET_CR(0)
     80 
     81 #define SET_XER_ZERO \
     82       SET_XER(0)
     83 
     84 #define SET_CR_XER_ZERO \
     85    do { SET_CR_ZERO; SET_XER_ZERO; } while (0)
     86 
     87 #define SET_FPSCR_ZERO \
     88    do { double _d = 0.0; \
     89         __asm__ __volatile__ ("mtfsf 0xFF, %0" : : "f"(_d) ); \
     90    } while (0)
     91 
     92 
     93 typedef void (*test_func_t)(void);
     94 typedef struct test_table test_table_t;
     95 
     96 /* Defines for the instructiion groups, use bit field to identify */
     97 #define SCALAR_DIV_INST    0x0001
     98 #define OTHER_INST  0x0002
     99 
    100 /* These functions below that construct a table of floating point
    101  * values were lifted from none/tests/ppc32/jm-insns.c.
    102  */
    103 
    104 #if defined (DEBUG_ARGS_BUILD)
    105 #define AB_DPRINTF(fmt, args...) do { fprintf(stderr, fmt , ##args); } while (0)
    106 #else
    107 #define AB_DPRINTF(fmt, args...) do { } while (0)
    108 #endif
    109 
    110 static inline void register_farg (void *farg,
    111                                   int s, uint16_t _exp, uint64_t mant)
    112 {
    113    uint64_t tmp;
    114 
    115    tmp = ((uint64_t)s << 63) | ((uint64_t)_exp << 52) | mant;
    116    *(uint64_t *)farg = tmp;
    117    AB_DPRINTF("%d %03x %013llx => %016llx %0e\n",
    118               s, _exp, mant, *(uint64_t *)farg, *(double *)farg);
    119 }
    120 
    121 static inline void register_sp_farg (void *farg,
    122                                      int s, uint16_t _exp, uint32_t mant)
    123 {
    124    uint32_t tmp;
    125    tmp = ((uint32_t)s << 31) | ((uint32_t)_exp << 23) | mant;
    126    *(uint32_t *)farg = tmp;
    127 }
    128 
    129 typedef struct fp_test_args {
    130    int fra_idx;
    131    int frb_idx;
    132 } fp_test_args_t;
    133 
    134 
    135 fp_test_args_t fp_cmp_tests[] = {
    136                                    {8, 8},
    137                                    {8, 14},
    138                                    {8, 6},
    139                                    {8, 5},
    140                                    {8, 4},
    141                                    {8, 7},
    142                                    {8, 9},
    143                                    {8, 11},
    144                                    {14, 8},
    145                                    {14, 14},
    146                                    {14, 6},
    147                                    {14, 5},
    148                                    {14, 4},
    149                                    {14, 7},
    150                                    {14, 9},
    151                                    {14, 11},
    152                                    {6, 8},
    153                                    {6, 14},
    154                                    {6, 6},
    155                                    {6, 5},
    156                                    {6, 4},
    157                                    {6, 7},
    158                                    {6, 9},
    159                                    {6, 11},
    160                                    {5, 8},
    161                                    {5, 14},
    162                                    {5, 6},
    163                                    {5, 5},
    164                                    {5, 4},
    165                                    {5, 7},
    166                                    {5, 9},
    167                                    {5, 11},
    168                                    {4, 8},
    169                                    {4, 14},
    170                                    {4, 6},
    171                                    {4, 5},
    172                                    {4, 1},
    173                                    {4, 7},
    174                                    {4, 9},
    175                                    {4, 11},
    176                                    {7, 8},
    177                                    {7, 14},
    178                                    {7, 6},
    179                                    {7, 5},
    180                                    {7, 4},
    181                                    {7, 7},
    182                                    {7, 9},
    183                                    {7, 11},
    184                                    {10, 8},
    185                                    {10, 14},
    186                                    {10, 6},
    187                                    {10, 5},
    188                                    {10, 4},
    189                                    {10, 7},
    190                                    {10, 9},
    191                                    {10, 10},
    192                                    {12, 8},
    193                                    {12, 14},
    194                                    {12, 6},
    195                                    {12, 5},
    196                                    {1, 1},
    197                                    {2, 2},
    198                                    {3, 3},
    199                                    {4, 4},
    200 };
    201 
    202 
    203 fp_test_args_t two_arg_fp_tests[] = {
    204                                      {8, 8},
    205                                      {8, 14},
    206                                      {15, 16},
    207                                      {8, 5},
    208                                      {8, 4},
    209                                      {8, 7},
    210                                      {8, 9},
    211                                      {8, 11},
    212                                      {14, 8},
    213                                      {14, 14},
    214                                      {14, 6},
    215                                      {14, 5},
    216                                      {14, 4},
    217                                      {14, 7},
    218                                      {14, 9},
    219                                      {14, 11},
    220                                      {6, 8},
    221                                      {6, 14},
    222                                      {6, 6},
    223                                      {6, 5},
    224                                      {6, 4},
    225                                      {6, 7},
    226                                      {6, 9},
    227                                      {6, 11},
    228                                      {5, 8},
    229                                      {5, 14},
    230                                      {5, 6},
    231                                      {5, 5},
    232                                      {5, 4},
    233                                      {5, 7},
    234                                      {5, 9},
    235                                      {5, 11},
    236                                      {4, 8},
    237                                      {4, 14},
    238                                      {4, 6},
    239                                      {4, 5},
    240                                      {4, 1},
    241                                      {4, 7},
    242                                      {4, 9},
    243                                      {4, 11},
    244                                      {7, 8},
    245                                      {7, 14},
    246                                      {7, 6},
    247                                      {7, 5},
    248                                      {7, 4},
    249                                      {7, 7},
    250                                      {7, 9},
    251                                      {7, 11},
    252                                      {10, 8},
    253                                      {10, 14},
    254                                      {12, 6},
    255                                      {12, 5},
    256                                      {10, 4},
    257                                      {10, 7},
    258                                      {10, 9},
    259                                      {10, 11},
    260                                      {12, 8 },
    261                                      {12, 14},
    262                                      {12, 6},
    263                                      {15, 16},
    264                                      {15, 16},
    265                                      {9, 11},
    266                                      {11, 11},
    267                                      {11, 12}
    268 };
    269 
    270 
    271 static int nb_special_fargs;
    272 static double * spec_fargs;
    273 static float * spec_sp_fargs;
    274 
    275 static void build_special_fargs_table(void)
    276 {
    277 /*
    278   Entry  Sign Exp   fraction                  Special value
    279    0      0   3fd   0x8000000000000ULL         Positive finite number
    280    1      0   404   0xf000000000000ULL         ...
    281    2      0   001   0x8000000b77501ULL         ...
    282    3      0   7fe   0x800000000051bULL         ...
    283    4      0   012   0x3214569900000ULL         ...
    284    5      0   000   0x0000000000000ULL         +0.0 (+zero)
    285    6      1   000   0x0000000000000ULL         -0.0 (-zero)
    286    7      0   7ff   0x0000000000000ULL         +infinity
    287    8      1   7ff   0x0000000000000ULL         -infinity
    288    9      0   7ff   0x7FFFFFFFFFFFFULL         +SNaN
    289    10     1   7ff   0x7FFFFFFFFFFFFULL         -SNaN
    290    11     0   7ff   0x8000000000000ULL         +QNaN
    291    12     1   7ff   0x8000000000000ULL         -QNaN
    292    13     1   000   0x8340000078000ULL         Denormalized val (zero exp and non-zero fraction)
    293    14     1   40d   0x0650f5a07b353ULL         Negative finite number
    294    15     0   412   0x32585a9900000ULL         A couple more positive finite numbers
    295    16     0   413   0x82511a2000000ULL         ...
    296 */
    297 
    298    uint64_t mant;
    299    uint32_t mant_sp;
    300    uint16_t _exp;
    301    int s;
    302    int j, i = 0;
    303 
    304    if (spec_fargs)
    305       return;
    306 
    307    spec_fargs = malloc( 17 * sizeof(double) );
    308    spec_sp_fargs = malloc( 17 * sizeof(float) );
    309 
    310    // #0
    311    s = 0;
    312    _exp = 0x3fd;
    313    mant = 0x8000000000000ULL;
    314    register_farg(&spec_fargs[i++], s, _exp, mant);
    315 
    316    // #1
    317    s = 0;
    318    _exp = 0x404;
    319    mant = 0xf000000000000ULL;
    320    register_farg(&spec_fargs[i++], s, _exp, mant);
    321 
    322    /* None of the ftdiv tests succeed.
    323     * FRA = value #0; FRB = value #1
    324     * ea_ = -2; e_b = 5
    325     * fl_flag || fg_flag || fe_flag = 100
    326     */
    327 
    328    /*************************************************
    329     *     fe_flag tests
    330     *
    331     *************************************************/
    332 
    333    /* fe_flag <- 1 if FRA is a NaN
    334     * FRA = value #9; FRB = value #1
    335     * e_a = 1024; e_b = 5
    336     * fl_flag || fg_flag || fe_flag = 101
    337     */
    338 
    339    /* fe_flag <- 1 if FRB is a NaN
    340     * FRA = value #1; FRB = value #12
    341     * e_a = 5; e_b = 1024
    342     * fl_flag || fg_flag || fe_flag = 101
    343     */
    344 
    345    /* fe_flag <- 1 if e_b <= -1022
    346     * FRA = value #0; FRB = value #2
    347     * e_a = -2; e_b = -1022
    348     * fl_flag || fg_flag || fe_flag = 101
    349     *
    350     */
    351    // #2
    352    s = 0;
    353    _exp = 0x001;
    354    mant = 0x8000000b77501ULL;
    355    register_farg(&spec_fargs[i++], s, _exp, mant);
    356 
    357    /* fe_flag <- 1 if e_b >= 1021
    358     * FRA = value #1; FRB = value #3
    359     * e_a = 5; e_b = 1023
    360     * fl_flag || fg_flag || fe_flag = 101
    361     */
    362    // #3
    363    s = 0;
    364    _exp = 0x7fe;
    365    mant = 0x800000000051bULL;
    366    register_farg(&spec_fargs[i++], s, _exp, mant);
    367 
    368    /* fe_flag <- 1 if FRA != 0 && e_a - e_b >= 1023
    369     * Let FRA = value #3 and FRB be value #0.
    370     * e_a = 1023; e_b = -2
    371     * fl_flag || fg_flag || fe_flag = 101
    372     */
    373 
    374    /* fe_flag <- 1 if FRA != 0 && e_a - e_b <= -1023
    375     * Let FRA = value #0 above and FRB be value #3 above
    376     * e_a = -2; e_b = 1023
    377     * fl_flag || fg_flag || fe_flag = 101
    378     */
    379 
    380    /* fe_flag <- 1 if FRA != 0 && e_a <= -970
    381     * Let FRA = value #4 and FRB be value #0
    382     * e_a = -1005; e_b = -2
    383     * fl_flag || fg_flag || fe_flag = 101
    384    */
    385    // #4
    386    s = 0;
    387    _exp = 0x012;
    388    mant = 0x3214569900000ULL;
    389    register_farg(&spec_fargs[i++], s, _exp, mant);
    390 
    391    /*************************************************
    392     *     fg_flag tests
    393     *
    394     *************************************************/
    395    /* fg_flag <- 1 if FRA is an Infinity
    396     * NOTE: FRA = Inf also sets fe_flag
    397     * Do two tests, using values #7 and #8 (+/- Inf) for FRA.
    398     * Test 1:
    399     *   Let FRA be value #7 and FRB be value #1
    400     *   e_a = 1024; e_b = 5
    401     *   fl_flag || fg_flag || fe_flag = 111
    402     *
    403     * Test 2:
    404     *   Let FRA be value #8 and FRB be value #1
    405     *   e_a = 1024; e_b = 5
    406     *   fl_flag || fg_flag || fe_flag = 111
    407     *
    408     */
    409 
    410    /* fg_flag <- 1 if FRB is an Infinity
    411     * NOTE: FRB = Inf also sets fe_flag
    412     * Let FRA be value #1 and FRB be value #7
    413     * e_a = 5; e_b = 1024
    414     * fl_flag || fg_flag || fe_flag = 111
    415     */
    416 
    417    /* fg_flag <- 1 if FRB is denormalized
    418     * NOTE: e_b < -1022 ==> fe_flag <- 1
    419     * Let FRA be value #0 and FRB be value #13
    420     * e_a = -2; e_b = -1023
    421     * fl_flag || fg_flag || fe_flag = 111
    422     */
    423 
    424    /* fg_flag <- 1 if FRB is +zero
    425     * NOTE: FRA = Inf also sets fe_flag
    426     * Let FRA = val #5; FRB = val #5
    427     * ea_ = -1023; e_b = -1023
    428     * fl_flag || fg_flag || fe_flag = 111
    429     */
    430 
    431    /* fg_flag <- 1 if FRB is -zero
    432     * NOTE: FRA = Inf also sets fe_flag
    433     * Let FRA = val #5; FRB = val #6
    434     * ea_ = -1023; e_b = -1023
    435     * fl_flag || fg_flag || fe_flag = 111
    436     */
    437 
    438    /* Special values */
    439    /* +0.0      : 0 0x000 0x0000000000000 */
    440    // #5
    441    s = 0;
    442    _exp = 0x000;
    443    mant = 0x0000000000000ULL;
    444    register_farg(&spec_fargs[i++], s, _exp, mant);
    445 
    446    /* -0.0      : 1 0x000 0x0000000000000 */
    447    // #6
    448    s = 1;
    449    _exp = 0x000;
    450    mant = 0x0000000000000ULL;
    451    register_farg(&spec_fargs[i++], s, _exp, mant);
    452 
    453    /* +infinity : 0 0x7FF 0x0000000000000  */
    454    // #7
    455    s = 0;
    456    _exp = 0x7FF;
    457    mant = 0x0000000000000ULL;
    458    register_farg(&spec_fargs[i++], s, _exp, mant);
    459 
    460    /* -infinity : 1 0x7FF 0x0000000000000 */
    461    // #8
    462    s = 1;
    463    _exp = 0x7FF;
    464    mant = 0x0000000000000ULL;
    465    register_farg(&spec_fargs[i++], s, _exp, mant);
    466 
    467    /*
    468     * This comment applies to values #9 and #10 below:
    469     * When src is a SNaN, it's converted to a QNaN first before rounding to single-precision,
    470     * so we can't just copy the double-precision value to the corresponding slot in the
    471     * single-precision array (i.e., in the loop at the end of this function).  Instead, we
    472     * have to manually set the bits using register_sp_farg().
    473     */
    474 
    475    /* +SNaN     : 0 0x7FF 0x7FFFFFFFFFFFF */
    476    // #9
    477    s = 0;
    478    _exp = 0x7FF;
    479    mant = 0x7FFFFFFFFFFFFULL;
    480    register_farg(&spec_fargs[i++], s, _exp, mant);
    481    _exp = 0xff;
    482    mant_sp = 0x3FFFFF;
    483    register_sp_farg(&spec_sp_fargs[i-1], s, _exp, mant_sp);
    484 
    485    /* -SNaN     : 1 0x7FF 0x7FFFFFFFFFFFF */
    486    // #10
    487    s = 1;
    488    _exp = 0x7FF;
    489    mant = 0x7FFFFFFFFFFFFULL;
    490    register_farg(&spec_fargs[i++], s, _exp, mant);
    491    _exp = 0xff;
    492    mant_sp = 0x3FFFFF;
    493    register_sp_farg(&spec_sp_fargs[i-1], s, _exp, mant_sp);
    494 
    495    /* +QNaN     : 0 0x7FF 0x8000000000000 */
    496    // #11
    497    s = 0;
    498    _exp = 0x7FF;
    499    mant = 0x8000000000000ULL;
    500    register_farg(&spec_fargs[i++], s, _exp, mant);
    501 
    502    /* -QNaN     : 1 0x7FF 0x8000000000000 */
    503    // #12
    504    s = 1;
    505    _exp = 0x7FF;
    506    mant = 0x8000000000000ULL;
    507    register_farg(&spec_fargs[i++], s, _exp, mant);
    508 
    509    /* denormalized value */
    510    // #13
    511    s = 1;
    512    _exp = 0x000;
    513    mant = 0x8340000078000ULL;
    514    register_farg(&spec_fargs[i++], s, _exp, mant);
    515 
    516    /* Negative finite number */
    517    // #14
    518    s = 1;
    519    _exp = 0x40d;
    520    mant = 0x0650f5a07b353ULL;
    521    register_farg(&spec_fargs[i++], s, _exp, mant);
    522 
    523    /* A couple positive finite numbers ... */
    524    // #15
    525    s = 0;
    526    _exp = 0x412;
    527    mant = 0x32585a9900000ULL;
    528    register_farg(&spec_fargs[i++], s, _exp, mant);
    529 
    530    // #16
    531    s = 0;
    532    _exp = 0x413;
    533    mant = 0x82511a2000000ULL;
    534    register_farg(&spec_fargs[i++], s, _exp, mant);
    535 
    536    nb_special_fargs = i;
    537    for (j = 0; j < i; j++) {
    538       if (!(j == 9 || j == 10))
    539          spec_sp_fargs[j] = spec_fargs[j];
    540    }
    541 }
    542 
    543 
    544 struct test_table
    545 {
    546    test_func_t test_category;
    547    char * name;
    548    unsigned int test_group;
    549 };
    550 
    551 typedef enum {
    552    SINGLE_TEST,
    553    DOUBLE_TEST
    554 } precision_type_t;
    555 
    556 typedef enum {
    557    VX_SCALAR_FP_NMSUB = 0,
    558    // ALL VECTOR-TYPE OPS SHOULD BE ADDED AFTER THIS LINE
    559    VX_VECTOR_FP_MULT_AND_OP2 = 10,
    560    // and before this line
    561    VX_BASIC_CMP = 30,
    562    VX_CONV_WORD,
    563    VX_DEFAULT
    564 } vx_fp_test_type;
    565 
    566 typedef struct vx_fp_test
    567 {
    568    test_func_t test_func;
    569    const char * name;
    570    fp_test_args_t * targs;
    571    int num_tests;
    572    precision_type_t precision;
    573    vx_fp_test_type type;
    574    const char * op;
    575 } vx_fp_test_t;
    576 
    577 static vector unsigned int vec_out, vec_inA, vec_inB, vec_inC;
    578 
    579 static Bool do_dot;
    580 static void test_xvcmpeqdp(void)
    581 {
    582    if (do_dot)
    583       __asm__ __volatile__ ("xvcmpeqdp.          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    584    else
    585       __asm__ __volatile__ ("xvcmpeqdp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    586 }
    587 
    588 static void test_xvcmpgedp(void)
    589 {
    590    if (do_dot)
    591       __asm__ __volatile__ ("xvcmpgedp.          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    592    else
    593       __asm__ __volatile__ ("xvcmpgedp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    594 }
    595 
    596 static void test_xvcmpgtdp(void)
    597 {
    598    if (do_dot)
    599       __asm__ __volatile__ ("xvcmpgtdp.          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    600    else
    601       __asm__ __volatile__ ("xvcmpgtdp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    602 }
    603 
    604 static void test_xvcmpeqsp(void)
    605 {
    606    if (do_dot)
    607       __asm__ __volatile__ ("xvcmpeqsp.          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    608    else
    609       __asm__ __volatile__ ("xvcmpeqsp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    610 }
    611 
    612 static void test_xvcmpgesp(void)
    613 {
    614    if (do_dot)
    615       __asm__ __volatile__ ("xvcmpgesp.          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    616    else
    617       __asm__ __volatile__ ("xvcmpgesp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    618 }
    619 
    620 static void test_xvcmpgtsp(void)
    621 {
    622    if (do_dot)
    623       __asm__ __volatile__ ("xvcmpgtsp.          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    624    else
    625       __asm__ __volatile__ ("xvcmpgtsp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    626 }
    627 
    628 static Bool do_aXp;
    629 static Bool do_dp;
    630 static void test_xsnmsub(void)
    631 {
    632    if (do_aXp)
    633       __asm__ __volatile__ ("xsnmsubadp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    634    else
    635       __asm__ __volatile__ ("xsnmsubmdp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    636 }
    637 
    638 static void test_xvmadd(void)
    639 {
    640    if (do_aXp)
    641       if (do_dp)
    642          __asm__ __volatile__ ("xvmaddadp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    643       else
    644          __asm__ __volatile__ ("xvmaddasp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    645    else
    646       if (do_dp)
    647          __asm__ __volatile__ ("xvmaddmdp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    648       else
    649          __asm__ __volatile__ ("xvmaddmsp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    650 }
    651 
    652 static void test_xvnmadd(void)
    653 {
    654    if (do_aXp)
    655       if (do_dp)
    656          __asm__ __volatile__ ("xvnmaddadp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    657       else
    658          __asm__ __volatile__ ("xvnmaddasp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    659    else
    660       if (do_dp)
    661          __asm__ __volatile__ ("xvnmaddmdp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    662       else
    663          __asm__ __volatile__ ("xvnmaddmsp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    664 }
    665 
    666 static void test_xvnmsub(void)
    667 {
    668    if (do_aXp)
    669       if (do_dp)
    670          __asm__ __volatile__ ("xvnmsubadp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    671       else
    672          __asm__ __volatile__ ("xvnmsubasp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    673    else
    674       if (do_dp)
    675          __asm__ __volatile__ ("xvnmsubmdp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    676       else
    677          __asm__ __volatile__ ("xvnmsubmsp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    678 }
    679 
    680 static void test_xvmsub(void)
    681 {
    682    if (do_aXp)
    683       if (do_dp)
    684          __asm__ __volatile__ ("xvmsubadp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    685       else
    686          __asm__ __volatile__ ("xvmsubasp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    687    else
    688       if (do_dp)
    689          __asm__ __volatile__ ("xvmsubmdp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    690       else
    691          __asm__ __volatile__ ("xvmsubmsp          %x0, %x1, %x2" : "+wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    692 }
    693 
    694 static void test_xssqrtdp(void)
    695 {
    696    __asm__ __volatile__ ("xssqrtdp   %x0, %x1" : "=wa" (vec_out): "wa" (vec_inB));
    697 }
    698 
    699 static void test_xsrdpim(void)
    700 {
    701    __asm__ __volatile__ ("xsrdpim   %x0, %x1" : "=wa" (vec_out): "wa" (vec_inB));
    702 }
    703 
    704 static void test_xsrdpip(void)
    705 {
    706    __asm__ __volatile__ ("xsrdpip   %x0, %x1" : "=wa" (vec_out): "wa" (vec_inB));
    707 }
    708 
    709 static void test_xstdivdp(void)
    710 {
    711    __asm__ __volatile__ ("xstdivdp   6, %x0, %x1" : : "wa" (vec_inA), "wa" (vec_inB));
    712 }
    713 
    714 static void test_xsmaxdp(void)
    715 {
    716    __asm__ __volatile__ ("xsmaxdp   %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    717 }
    718 
    719 static void test_xsmindp(void)
    720 {
    721    __asm__ __volatile__ ("xsmindp   %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    722 }
    723 
    724 static void test_xvadddp(void)
    725 {
    726    __asm__ __volatile__ ("xvadddp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    727 }
    728 
    729 static void test_xvaddsp(void)
    730 {
    731    __asm__ __volatile__ ("xvaddsp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    732 }
    733 
    734 static void test_xvdivdp(void)
    735 {
    736    __asm__ __volatile__ ("xvdivdp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    737 }
    738 
    739 static void test_xvdivsp(void)
    740 {
    741    __asm__ __volatile__ ("xvdivsp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    742 }
    743 
    744 static void test_xvmuldp(void)
    745 {
    746    __asm__ __volatile__ ("xvmuldp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    747 }
    748 
    749 static void test_xvmulsp(void)
    750 {
    751    __asm__ __volatile__ ("xvmulsp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    752 }
    753 
    754 static void test_xvsubdp(void)
    755 {
    756    __asm__ __volatile__ ("xvsubdp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    757 }
    758 
    759 static void test_xvmaxdp(void)
    760 {
    761    __asm__ __volatile__ ("xvmaxdp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    762 }
    763 
    764 static void test_xvmindp(void)
    765 {
    766    __asm__ __volatile__ ("xvmindp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    767 }
    768 
    769 static void test_xvmaxsp(void)
    770 {
    771    __asm__ __volatile__ ("xvmaxsp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    772 }
    773 
    774 static void test_xvminsp(void)
    775 {
    776    __asm__ __volatile__ ("xvminsp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    777 }
    778 
    779 static void test_xvsubsp(void)
    780 {
    781    __asm__ __volatile__ ("xvsubsp          %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    782 }
    783 
    784 static void test_xvresp(void)
    785 {
    786    __asm__ __volatile__ ("xvresp   %x0, %x1" : "=wa" (vec_out): "wa" (vec_inB));
    787 }
    788 
    789 static void test_xxsel(void)
    790 {
    791    unsigned long long * dst;
    792    unsigned long long xa[] =  { 0xa12bc37de56f9708ULL, 0x3894c1fddeadbeefULL};
    793    unsigned long long xb[] =  { 0xfedc432124681235ULL, 0xf1e2d3c4e0057708ULL};
    794    unsigned long long xc[] =  { 0xffffffff01020304ULL, 0x128934bd00000000ULL};
    795 
    796    memcpy(&vec_inA, xa, 16);
    797    memcpy(&vec_inB, xb, 16);
    798    memcpy(&vec_inC, xc, 16);
    799 
    800 
    801    __asm__ __volatile__ ("xxsel   %x0, %x1, %x2, %x3" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB),"wa" (vec_inC));
    802    dst = (unsigned long long *) &vec_out;
    803    printf("xxsel %016llx,%016llx,%016llx => %016llx\n", xa[0], xb[0], xc[0], *dst);
    804    dst++;
    805    printf("xxsel %016llx,%016llx,%016llx => %016llx\n", xa[1], xb[1], xc[1], *dst);
    806    printf("\n");
    807 }
    808 
    809 static void test_xxspltw(void)
    810 {
    811    int uim;
    812    unsigned long long * dst = NULL;
    813    unsigned int xb[] =  { 0xfedc4321, 0x24681235, 0xf1e2d3c4, 0xe0057708};
    814    int i;
    815    void * vecB_ptr = &vec_inB;
    816    if (isLE) {
    817       for (i = 3; i >=0; i--) {
    818          memcpy(vecB_ptr, &xb[i], 4);
    819          vecB_ptr+=4;
    820       }
    821    } else {
    822       for (i = 0; i < 4; i++) {
    823          memcpy(vecB_ptr, &xb[i], 4);
    824          vecB_ptr+=4;
    825       }
    826    }
    827 
    828    for (uim = 0; uim < 4; uim++) {
    829       switch (uim) {
    830          case 0:
    831             __asm__ __volatile__ ("xxspltw   %x0, %x1, 0" : "=wa" (vec_out): "wa" (vec_inB));
    832             break;
    833          case 1:
    834             __asm__ __volatile__ ("xxspltw   %x0, %x1, 1" : "=wa" (vec_out): "wa" (vec_inB));
    835             break;
    836          case 2:
    837             __asm__ __volatile__ ("xxspltw   %x0, %x1, 2" : "=wa" (vec_out): "wa" (vec_inB));
    838             break;
    839          case 3:
    840             __asm__ __volatile__ ("xxspltw   %x0, %x1, 3" : "=wa" (vec_out): "wa" (vec_inB));
    841             break;
    842       }
    843       dst = (unsigned long long *) &vec_out;
    844       printf("xxspltw 0x%08x%08x%08x%08x %d=> 0x%016llx",  xb[0], xb[1],
    845              xb[2], xb[3], uim, *dst);
    846       dst++;
    847       printf("%016llx\n", *dst);
    848    }
    849    printf("\n");
    850 }
    851 
    852 static void test_xscvdpsxws(void)
    853 {
    854    __asm__ __volatile__ ("xscvdpsxws  %x0, %x1" : "=wa" (vec_out): "wa" (vec_inB));
    855 }
    856 
    857 static void test_xscvdpuxds(void)
    858 {
    859    __asm__ __volatile__ ("xscvdpuxds  %x0, %x1" : "=wa" (vec_out): "wa" (vec_inB));
    860 }
    861 
    862 static void test_xvcpsgndp(void)
    863 {
    864    __asm__ __volatile__  ("xvcpsgndp  %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    865 }
    866 
    867 static void test_xvcpsgnsp(void)
    868 {
    869    __asm__ __volatile__  ("xvcpsgnsp  %x0, %x1, %x2" : "=wa" (vec_out): "wa" (vec_inA),"wa" (vec_inB));
    870 }
    871 
    872 static void test_xvcvdpsxws(void)
    873 {
    874    __asm__ __volatile__ ("xvcvdpsxws  %x0, %x1 " : "=wa" (vec_out): "wa" (vec_inB));
    875 }
    876 
    877 static void test_xvcvspsxws(void)
    878 {
    879    __asm__ __volatile__ ("xvcvspsxws  %x0, %x1 " : "=wa" (vec_out): "wa" (vec_inB));
    880 }
    881 
    882 static vx_fp_test_t
    883 vx_vector_one_fp_arg_tests[] = {
    884                                 { &test_xvresp, "xvresp", NULL, 16, SINGLE_TEST, VX_BASIC_CMP, "1/x"},
    885                                 { &test_xvcvdpsxws, "xvcvdpsxws", NULL, 16, DOUBLE_TEST, VX_CONV_WORD, "conv"},
    886                                 { &test_xvcvspsxws, "xvcvspsxws", NULL, 16, SINGLE_TEST, VX_CONV_WORD, "conv"},
    887                                 { NULL, NULL, NULL, 0 , 0, 0, NULL}
    888 };
    889 
    890 static vx_fp_test_t
    891 vx_vector_fp_tests[] = {
    892                         { &test_xvcmpeqdp, "xvcmpeqdp", fp_cmp_tests, 64, DOUBLE_TEST, VX_BASIC_CMP, "eq"},
    893                         { &test_xvcmpgedp, "xvcmpgedp", fp_cmp_tests, 64, DOUBLE_TEST, VX_BASIC_CMP, "ge"},
    894                         { &test_xvcmpgtdp, "xvcmpgtdp", fp_cmp_tests, 64, DOUBLE_TEST, VX_BASIC_CMP, "gt"},
    895                         { &test_xvcmpeqsp, "xvcmpeqsp", fp_cmp_tests, 64, SINGLE_TEST, VX_BASIC_CMP, "eq"},
    896                         { &test_xvcmpgesp, "xvcmpgesp", fp_cmp_tests, 64, SINGLE_TEST, VX_BASIC_CMP, "ge"},
    897                         { &test_xvcmpgtsp, "xvcmpgtsp", fp_cmp_tests, 64, SINGLE_TEST, VX_BASIC_CMP, "gt"},
    898                         { &test_xvadddp, "xvadddp", two_arg_fp_tests, 64, DOUBLE_TEST, VX_DEFAULT, "+" },
    899                         { &test_xvaddsp, "xvaddsp", two_arg_fp_tests, 64, SINGLE_TEST, VX_DEFAULT, "+" },
    900                         { &test_xvdivdp, "xvdivdp", two_arg_fp_tests, 64, DOUBLE_TEST, VX_DEFAULT, "/" },
    901                         { &test_xvdivsp, "xvdivsp", two_arg_fp_tests, 64, SINGLE_TEST, VX_DEFAULT, "/" },
    902                         { &test_xvmuldp, "xvmuldp", two_arg_fp_tests, 64, DOUBLE_TEST, VX_DEFAULT, "*" },
    903                         { &test_xvmulsp, "xvmulsp", two_arg_fp_tests, 64, SINGLE_TEST, VX_DEFAULT, "*" },
    904                         { &test_xvsubdp, "xvsubdp", two_arg_fp_tests, 64, DOUBLE_TEST, VX_DEFAULT, "-" },
    905                         { &test_xvsubsp, "xvsubsp", two_arg_fp_tests, 64, SINGLE_TEST, VX_DEFAULT, "-" },
    906                         { &test_xvmaxdp, "xvmaxdp", two_arg_fp_tests, 64, DOUBLE_TEST, VX_DEFAULT, "@max@" },
    907                         { &test_xvmindp, "xvmindp", two_arg_fp_tests, 64, DOUBLE_TEST, VX_DEFAULT, "@min@" },
    908                         { &test_xvmaxsp, "xvmaxsp", two_arg_fp_tests, 64, SINGLE_TEST, VX_DEFAULT, "@max@" },
    909                         { &test_xvminsp, "xvminsp", two_arg_fp_tests, 64, SINGLE_TEST, VX_DEFAULT, "@min@" },
    910                         { &test_xvcpsgndp, "xvcpsgndp", two_arg_fp_tests, 64, DOUBLE_TEST, VX_DEFAULT, "+-cp"},
    911                         { &test_xvcpsgnsp, "xvcpsgnsp", two_arg_fp_tests, 64, SINGLE_TEST, VX_DEFAULT, "+-cp"},
    912                         { NULL, NULL, NULL, 0 , 0, 0, NULL}
    913 };
    914 
    915 
    916 static vx_fp_test_t
    917 vx_aORm_fp_tests[] = {
    918                        { &test_xsnmsub, "xsnmsub", two_arg_fp_tests, 64, DOUBLE_TEST, VX_SCALAR_FP_NMSUB, "!*-"},
    919                        { &test_xvmadd, "xvmadd", two_arg_fp_tests, 64, DOUBLE_TEST, VX_VECTOR_FP_MULT_AND_OP2, "*+"},
    920                        { &test_xvmadd, "xvmadd", two_arg_fp_tests, 64, SINGLE_TEST, VX_VECTOR_FP_MULT_AND_OP2, "*+"},
    921                        { &test_xvnmadd, "xvnmadd", two_arg_fp_tests, 64, DOUBLE_TEST, VX_VECTOR_FP_MULT_AND_OP2, "!*+"},
    922                        { &test_xvnmadd, "xvnmadd", two_arg_fp_tests, 64, SINGLE_TEST, VX_VECTOR_FP_MULT_AND_OP2, "!*+"},
    923                        { &test_xvmsub, "xvmsub", two_arg_fp_tests, 64, DOUBLE_TEST, VX_VECTOR_FP_MULT_AND_OP2, "*-"},
    924                        { &test_xvmsub, "xvmsub", two_arg_fp_tests, 64, SINGLE_TEST, VX_VECTOR_FP_MULT_AND_OP2, "*-"},
    925                        { &test_xvnmsub, "xvnmsub", two_arg_fp_tests, 64, DOUBLE_TEST, VX_VECTOR_FP_MULT_AND_OP2, "!*-"},
    926                        { &test_xvnmsub, "xvnmsub", two_arg_fp_tests, 64, SINGLE_TEST, VX_VECTOR_FP_MULT_AND_OP2, "!*-"},
    927                        { NULL, NULL, NULL, 0, 0, 0,  NULL }
    928 };
    929 
    930 static vx_fp_test_t
    931 vx_simple_scalar_fp_tests[] = {
    932                                { &test_xssqrtdp, "xssqrtdp", NULL, 17, DOUBLE_TEST, VX_DEFAULT, NULL},
    933                                { &test_xsrdpim, "xsrdpim", NULL, 17, DOUBLE_TEST, VX_DEFAULT, NULL},
    934                                { &test_xsrdpip, "xsrdpip", NULL, 17, DOUBLE_TEST, VX_DEFAULT, NULL},
    935                                { &test_xstdivdp, "xstdivdp", two_arg_fp_tests, 64, DOUBLE_TEST, VX_DEFAULT, NULL},
    936                                { &test_xsmaxdp, "xsmaxdp", two_arg_fp_tests, 64, DOUBLE_TEST, VX_DEFAULT, NULL},
    937                                { &test_xsmindp, "xsmindp", two_arg_fp_tests, 64, DOUBLE_TEST, VX_DEFAULT, NULL},
    938                                { &test_xscvdpsxws, "xscvdpsxws", NULL, 17, DOUBLE_TEST, VX_CONV_WORD, NULL},
    939                                { &test_xscvdpuxds, "xscvdpuxds", NULL, 17, DOUBLE_TEST, VX_DEFAULT, NULL},
    940                                { NULL, NULL, NULL, 0, 0, 0, NULL }
    941 };
    942 
    943 
    944 #ifdef __powerpc64__
    945 static void test_bpermd(void)
    946 {
    947    /* NOTE: Bit number is '0 . . . 63'
    948     *
    949     * Permuted bits are generated bit 0 -7 as follows:
    950     *    index = (r14)8*i:8*i+7
    951     *    perm[i] = (r15)index
    952     *
    953     * So, for i = 0, index is (r14)8*0:8*0+7, or (r14)0:7, which is the MSB
    954     * byte of r14, 0x1b(27/base 10).  This identifies bit 27 of r15, which is '1'.
    955     * For i = 1, index is 0x2c, identifying bit 44 of r15, which is '1'.
    956     * So the result of the first two iterations of i are:
    957     *   perm = 0b01xxxxxx
    958     *
    959     */
    960    r15 = 0xa12bc37de56f9708ULL;
    961    r14 = 0x1b2c31f030000001ULL;
    962    __asm__ __volatile__ ("bpermd %0, %1, %2" : "=r" (r17) : "r" (r14),"r" (r15));
    963    printf("bpermd: 0x%016llx : 0x%016llx => 0x%llx\n", (unsigned long long)r14,
    964           (unsigned long long)r15, (unsigned long long)r17);
    965    printf("\n");
    966 }
    967 #endif
    968 
    969 static Bool do_OE;
    970 typedef enum {
    971    DIV_BASE = 1,
    972    DIV_OE = 2,
    973    DIV_DOT = 4,
    974 } div_type_t;
    975 /* Possible divde type combinations are:
    976  *   - base
    977  *   - base+dot
    978  *   - base+OE
    979  *   - base+OE+dot
    980  */
    981 #ifdef __powerpc64__
    982 static void test_divde(void)
    983 {
    984    int divde_type = DIV_BASE;
    985    if (do_OE)
    986       divde_type |= DIV_OE;
    987    if (do_dot)
    988       divde_type |= DIV_DOT;
    989 
    990    switch (divde_type) {
    991       case 1:
    992         SET_CR_XER_ZERO;
    993          __asm__ __volatile__ ("divde %0, %1, %2" : "=r" (r17) : "r" (r14),"r" (r15));
    994          GET_CR_XER(div_flags, div_xer);
    995          break;
    996       case 3:
    997         SET_CR_XER_ZERO;
    998          __asm__ __volatile__ ("divdeo %0, %1, %2" : "=r" (r17) : "r" (r14),"r" (r15));
    999          GET_CR_XER(div_flags, div_xer);
   1000          break;
   1001       case 5:
   1002         SET_CR_XER_ZERO;
   1003          __asm__ __volatile__ ("divde. %0, %1, %2" : "=r" (r17) : "r" (r14),"r" (r15));
   1004          GET_CR_XER(div_flags, div_xer);
   1005          break;
   1006       case 7:
   1007         SET_CR_XER_ZERO;
   1008          __asm__ __volatile__ ("divdeo. %0, %1, %2" : "=r" (r17) : "r" (r14),"r" (r15));
   1009          GET_CR_XER(div_flags, div_xer);
   1010          break;
   1011       default:
   1012          fprintf(stderr, "Invalid divde type. Exiting\n");
   1013          exit(1);
   1014    }
   1015 }
   1016 #endif
   1017 
   1018 static void test_divweu(void)
   1019 {
   1020    int divweu_type = DIV_BASE;
   1021    if (do_OE)
   1022       divweu_type |= DIV_OE;
   1023    if (do_dot)
   1024       divweu_type |= DIV_DOT;
   1025 
   1026    switch (divweu_type) {
   1027       case 1:
   1028         SET_CR_XER_ZERO;
   1029          __asm__ __volatile__ ("divweu %0, %1, %2" : "=r" (r17) : "r" (r14),"r" (r15));
   1030          GET_CR_XER(div_flags, div_xer);
   1031          break;
   1032       case 3:
   1033         SET_CR_XER_ZERO;
   1034          __asm__ __volatile__ ("divweuo %0, %1, %2" : "=r" (r17) : "r" (r14),"r" (r15));
   1035          GET_CR_XER(div_flags, div_xer);
   1036          break;
   1037       case 5:
   1038         SET_CR_XER_ZERO;
   1039          __asm__ __volatile__ ("divweu. %0, %1, %2" : "=r" (r17) : "r" (r14),"r" (r15));
   1040          GET_CR_XER(div_flags, div_xer);
   1041          break;
   1042       case 7:
   1043         SET_CR_XER_ZERO;
   1044          __asm__ __volatile__ ("divweuo. %0, %1, %2" : "=r" (r17) : "r" (r14),"r" (r15));
   1045          GET_CR_XER(div_flags, div_xer);
   1046          break;
   1047       default:
   1048          fprintf(stderr, "Invalid divweu type. Exiting\n");
   1049          exit(1);
   1050    }
   1051 }
   1052 
   1053 static void test_fctiduz(void)
   1054 {
   1055    if (do_dot)
   1056       __asm__ __volatile__ ("fctiduz. %0, %1" : "=d" (f17) : "d" (f14));
   1057    else
   1058       __asm__ __volatile__ ("fctiduz %0, %1" : "=d" (f17) : "d" (f14));
   1059 }
   1060 
   1061 static void test_fctidu(void)
   1062 {
   1063    if (do_dot)
   1064       __asm__ __volatile__ ("fctidu. %0, %1" : "=d" (f17) : "d" (f14));
   1065    else
   1066       __asm__ __volatile__ ("fctidu %0, %1" : "=d" (f17) : "d" (f14));
   1067 }
   1068 
   1069 static void test_fctiwuz(void)
   1070 {
   1071    if (do_dot)
   1072       __asm__ __volatile__ ("fctiwuz. %0, %1" : "=d" (f17) : "d" (f14));
   1073    else
   1074       __asm__ __volatile__ ("fctiwuz %0, %1" : "=d" (f17) : "d" (f14));
   1075 }
   1076 
   1077 static void test_fctiwu(void)
   1078 {
   1079    if (do_dot)
   1080       __asm__ __volatile__ ("fctiwu. %0, %1" : "=d" (f17) : "d" (f14));
   1081    else
   1082       __asm__ __volatile__ ("fctiwu %0, %1" : "=d" (f17) : "d" (f14));
   1083 }
   1084 
   1085 typedef struct simple_test {
   1086    test_func_t test_func;
   1087    char * name;
   1088    precision_type_t precision;
   1089 } simple_test_t;
   1090 
   1091 static simple_test_t fct_tests[] = {
   1092                                     { &test_fctiduz, "fctiduz", DOUBLE_TEST },
   1093                                     { &test_fctidu, "fctidu", DOUBLE_TEST },
   1094                                     { &test_fctiwuz, "fctiwuz", SINGLE_TEST },
   1095                                     { &test_fctiwu, "fctiwu", SINGLE_TEST },
   1096                                    { NULL, NULL }
   1097 };
   1098 
   1099 static void setup_sp_fp_args(fp_test_args_t * targs, Bool swap_inputs)
   1100 {
   1101    int a_idx, b_idx, i;
   1102    void * inA, * inB;
   1103    void * vec_src = swap_inputs ? &vec_out : &vec_inB;
   1104 
   1105    for (i = 0; i < 4; i++) {
   1106       a_idx = targs->fra_idx;
   1107       b_idx = targs->frb_idx;
   1108       inA = (void *)&spec_sp_fargs[a_idx];
   1109       inB = (void *)&spec_sp_fargs[b_idx];
   1110       // copy single precision FP  into vector element i
   1111       memcpy(((void *)&vec_inA) + (i * 4), inA, 4);
   1112       memcpy(vec_src + (i * 4), inB, 4);
   1113       targs++;
   1114    }
   1115 }
   1116 
   1117 static void setup_dp_fp_args(fp_test_args_t * targs, Bool swap_inputs)
   1118 {
   1119    int a_idx, b_idx, i;
   1120    void * inA, * inB;
   1121    void * vec_src = swap_inputs ? (void *)&vec_out : (void *)&vec_inB;
   1122 
   1123    for (i = 0; i < 2; i++) {
   1124       a_idx = targs->fra_idx;
   1125       b_idx = targs->frb_idx;
   1126       inA = (void *)&spec_fargs[a_idx];
   1127       inB = (void *)&spec_fargs[b_idx];
   1128       // copy double precision FP  into vector element i
   1129       memcpy(((void *)&vec_inA) + (i * 8), inA, 8);
   1130       memcpy(vec_src + (i * 8), inB, 8);
   1131       targs++;
   1132    }
   1133 }
   1134 
   1135 #define VX_NOT_CMP_OP 0xffffffff
   1136 static void print_vector_fp_result(unsigned int cc, vx_fp_test_t * test_group, int i)
   1137 {
   1138    int a_idx, b_idx, k;
   1139    char * name = malloc(20);
   1140    int dp = test_group->precision == DOUBLE_TEST ? 1 : 0;
   1141    int loops = dp ? 2 : 4;
   1142    fp_test_args_t * targs = &test_group->targs[i];
   1143    unsigned long long * frA_dp, * frB_dp, * dst_dp;
   1144    unsigned int * frA_sp, *frB_sp, * dst_sp;
   1145    strcpy(name, test_group->name);
   1146    printf("#%d: %s%s ", dp? i/2 : i/4, name, (do_dot ? "." : ""));
   1147    for (k = 0; k < loops; k++) {
   1148       a_idx = targs->fra_idx;
   1149       b_idx = targs->frb_idx;
   1150       if (k)
   1151          printf(" AND ");
   1152       if (dp) {
   1153          frA_dp = (unsigned long long *)&spec_fargs[a_idx];
   1154          frB_dp = (unsigned long long *)&spec_fargs[b_idx];
   1155          printf("%016llx %s %016llx", *frA_dp, test_group->op, *frB_dp);
   1156       } else {
   1157          frA_sp = (unsigned int *)&spec_sp_fargs[a_idx];
   1158          frB_sp = (unsigned int *)&spec_sp_fargs[b_idx];
   1159          printf("%08x %s %08x", *frA_sp, test_group->op, *frB_sp);
   1160       }
   1161       targs++;
   1162    }
   1163    if (cc != VX_NOT_CMP_OP)
   1164       printf(" ? cc=%x", cc);
   1165 
   1166    if (dp) {
   1167       dst_dp = (unsigned long long *) &vec_out;
   1168       printf(" => %016llx %016llx\n", dst_dp[0], dst_dp[1]);
   1169    } else {
   1170       dst_sp = (unsigned int *) &vec_out;
   1171       printf(" => %08x %08x %08x %08x\n", dst_sp[0], dst_sp[1], dst_sp[2], dst_sp[3]);
   1172    }
   1173    free(name);
   1174 }
   1175 
   1176 
   1177 static void print_vx_aORm_fp_result(unsigned long long * XT_arg, unsigned long long * XB_arg,
   1178                                     vx_fp_test_t * test_group, int i)
   1179 {
   1180    int a_idx, k;
   1181    char * name = malloc(20);
   1182    int dp = test_group->precision == DOUBLE_TEST ? 1 : 0;
   1183    int loops = dp ? 2 : 4;
   1184    fp_test_args_t * targs = &test_group->targs[i];
   1185    unsigned long long frA_dp, * dst_dp;
   1186    unsigned int frA_sp, * dst_sp;
   1187 
   1188    strcpy(name, test_group->name);
   1189    if (do_aXp)
   1190       if (dp)
   1191          strcat(name, "adp");
   1192       else
   1193          strcat(name, "asp");
   1194    else
   1195       if (dp)
   1196          strcat(name, "mdp");
   1197       else
   1198          strcat(name, "msp");
   1199 
   1200    printf("#%d: %s ", dp? i/2 : i/4, name);
   1201    for (k = 0; k < loops; k++) {
   1202       a_idx = targs->fra_idx;
   1203       if (k)
   1204          printf(" AND ");
   1205       if (dp) {
   1206          frA_dp = *((unsigned long long *)&spec_fargs[a_idx]);
   1207          printf("%s(%016llx,%016llx,%016llx)", test_group->op, XT_arg[k], frA_dp, XB_arg[k]);
   1208       } else {
   1209          unsigned int * xt_sp = (unsigned int *)XT_arg;
   1210          unsigned int * xb_sp = (unsigned int *)XB_arg;
   1211          frA_sp = *((unsigned int *)&spec_sp_fargs[a_idx]);
   1212          printf("%s(%08x,%08x,%08x)", test_group->op, xt_sp[k], frA_sp, xb_sp[k]);
   1213       }
   1214       targs++;
   1215    }
   1216 
   1217    if (dp) {
   1218       dst_dp = (unsigned long long *) &vec_out;
   1219       printf(" => %016llx %016llx\n", dst_dp[0], dst_dp[1]);
   1220    } else {
   1221       dst_sp = (unsigned int *) &vec_out;
   1222       printf(" => %08x %08x %08x %08x\n", dst_sp[0], dst_sp[1], dst_sp[2], dst_sp[3]);
   1223    }
   1224    free(name);
   1225 }
   1226 
   1227 /* This function currently only supports double precision input arguments. */
   1228 static void test_vx_simple_scalar_fp_ops(void)
   1229 {
   1230    test_func_t func;
   1231    int k = 0;
   1232 
   1233    build_special_fargs_table();
   1234    while ((func = vx_simple_scalar_fp_tests[k].test_func)) {
   1235       unsigned long long * frap, * frbp, * dst;
   1236       unsigned int * pv;
   1237       int idx;
   1238       vx_fp_test_t test_group = vx_simple_scalar_fp_tests[k];
   1239       Bool convToWord = (test_group.type == VX_CONV_WORD);
   1240       if (test_group.precision != DOUBLE_TEST) {
   1241          fprintf(stderr, "Unsupported single precision for scalar op in test_vx_aORm_fp_ops\n");
   1242          exit(1);
   1243       }
   1244       pv = (unsigned int *)&vec_out;
   1245       // clear vec_out
   1246       for (idx = 0; idx < 4; idx++, pv++)
   1247          *pv = 0;
   1248 
   1249       /* If num_tests is exactly equal to nb_special_fargs, this implies the
   1250        * instruction being tested only requires one floating point argument
   1251        * (e.g. xssqrtdp).
   1252        */
   1253       if (test_group.num_tests == nb_special_fargs && !test_group.targs) {
   1254          void * inB, * vec_void_ptr = (void *)&vec_inB;
   1255          int i;
   1256          if (isLE)
   1257             vec_void_ptr += 8;
   1258          for (i = 0; i < nb_special_fargs; i++) {
   1259             inB = (void *)&spec_fargs[i];
   1260             frbp = (unsigned long long *)&spec_fargs[i];
   1261             memcpy(vec_void_ptr, inB, 8);
   1262             (*func)();
   1263             dst = (unsigned long long *) &vec_out;
   1264             if (isLE)
   1265                dst++;
   1266             printf("#%d: %s %016llx => %016llx\n", i, test_group.name, *frbp,
   1267                    convToWord ? (*dst & 0x00000000ffffffffULL) : *dst);
   1268          }
   1269       } else {
   1270          void * inA, * inB, * vecA_void_ptr, * vecB_void_ptr;
   1271          unsigned int condreg, flags;
   1272          int isTdiv = (strstr(test_group.name, "xstdivdp") != NULL) ? 1 : 0;
   1273          int i;
   1274          if (isLE) {
   1275             vecA_void_ptr = (void *)&vec_inA + 8;
   1276             vecB_void_ptr = (void *)&vec_inB + 8;
   1277          } else {
   1278             vecA_void_ptr = (void *)&vec_inA;
   1279             vecB_void_ptr = (void *)&vec_inB;
   1280          }
   1281          for (i = 0; i < test_group.num_tests; i++) {
   1282             fp_test_args_t aTest = test_group.targs[i];
   1283             inA = (void *)&spec_fargs[aTest.fra_idx];
   1284             inB = (void *)&spec_fargs[aTest.frb_idx];
   1285             frap = (unsigned long long *)&spec_fargs[aTest.fra_idx];
   1286             frbp = (unsigned long long *)&spec_fargs[aTest.frb_idx];
   1287             // Only need to copy one doubleword into each vector's element 0
   1288             memcpy(vecA_void_ptr, inA, 8);
   1289             memcpy(vecB_void_ptr, inB, 8);
   1290             SET_FPSCR_ZERO;
   1291             SET_CR_XER_ZERO;
   1292             (*func)();
   1293             GET_CR(flags);
   1294             if (isTdiv) {
   1295                condreg = (flags & 0x000000f0) >> 4;
   1296                printf("#%d: %s %016llx,%016llx => cr %x\n", i, test_group.name, *frap, *frbp, condreg);
   1297             } else {
   1298                dst = (unsigned long long *) &vec_out;
   1299                if (isLE)
   1300                   dst++;
   1301                printf("#%d: %s %016llx,%016llx => %016llx\n", i, test_group.name,
   1302                       *frap, *frbp, *dst);
   1303             }
   1304          }
   1305       }
   1306       printf( "\n" );
   1307       k++;
   1308    }
   1309 }
   1310 
   1311 static void test_vx_aORm_fp_ops(void)
   1312 {
   1313    /* These ops need a third src argument, which is stored in element 0 of
   1314     * VSX[XT] -- i.e., vec_out.  For the xs<ZZZ>m{d|s}p cases, VSX[XT] holds
   1315     * src3 and VSX[XB] holds src2; for the xs<ZZZ>a{d|s}p cases, VSX[XT] holds
   1316     * src2 and VSX[XB] holds src3.  The fp_test_args_t that holds the test
   1317     * data (input args, result) contain only two inputs, so I arbitrarily
   1318     * choose some spec_fargs elements for the third source argument.
   1319     * Note that that by using the same input data for a given pair of
   1320     * a{d|s}p/m{d|s}p-type instructions (by swapping the src2 and src3
   1321     * arguments), the expected result should be the same.
   1322     */
   1323 
   1324    test_func_t func;
   1325    int k;
   1326    char * test_name = (char *)malloc(20);
   1327    k = 0;
   1328    do_dot = False;
   1329 
   1330    build_special_fargs_table();
   1331    while ((func = vx_aORm_fp_tests[k].test_func)) {
   1332       int i, stride;
   1333       Bool repeat = False;
   1334       Bool scalar = False;
   1335       unsigned long long * frap, * frbp, * dst;
   1336       vx_fp_test_t test_group = vx_aORm_fp_tests[k];
   1337       vx_fp_test_type test_type = test_group.type;
   1338       do_dp = test_group.precision == DOUBLE_TEST ? True : False;
   1339       frap = frbp = NULL;
   1340 
   1341       if (test_type < VX_VECTOR_FP_MULT_AND_OP2) {
   1342             scalar = True;
   1343             strcpy(test_name, test_group.name);
   1344             if (!repeat) {
   1345                repeat = 1;
   1346                stride = 1;
   1347                // Only support double precision scalar ops in this function
   1348                if (do_dp) {
   1349                   strcat(test_name, "adp");
   1350                } else {
   1351                   fprintf(stderr, "Unsupported single precision for scalar op in test_vx_aORm_fp_ops\n");
   1352                   exit(1);
   1353                }
   1354                do_aXp = True;
   1355             }
   1356       } else if (test_type < VX_BASIC_CMP) {
   1357          // Then it must be a VX_VECTOR_xxx type
   1358             stride = do_dp ? 2 : 4;
   1359             if (!repeat) {
   1360                // No need to work up the testcase name here, since that will be done in
   1361                // the print_vx_aORm_fp_result() function we'll call for vector-type ops.
   1362                repeat = 1;
   1363                do_aXp = True;
   1364             }
   1365       } else {
   1366             printf("ERROR:  Invalid VX FP test type %d\n", test_type);
   1367             exit(1);
   1368       }
   1369 
   1370 again:
   1371       for (i = 0; i < test_group.num_tests; i+=stride) {
   1372          void  * inA, * inB;
   1373          int m, fp_idx[4];
   1374          unsigned long long vsr_XT[2];
   1375          unsigned long long vsr_XB[2];
   1376          fp_test_args_t aTest = test_group.targs[i];
   1377          for (m = 0; m < stride; m++)
   1378             fp_idx[m] = i % (nb_special_fargs - stride) + m;
   1379 
   1380          /* When repeat == True, we're on the first time through of one of the VX_FP_SMx
   1381           * test types, meaning we're testing a xs<ZZZ>adp case, thus we have to swap
   1382           * inputs as described above:
   1383           *    src2 <= VSX[XT]
   1384           *    src3 <= VSX[XB]
   1385           */
   1386          if (scalar) {
   1387 #ifdef VGP_ppc64le_linux
   1388 #define VECTOR_ADDR(_v) ((void *)&_v) + 8
   1389 #else
   1390 #define VECTOR_ADDR(_v) ((void *)&_v)
   1391 #endif
   1392             // For scalar op, only need to copy one doubleword into each vector's element 0
   1393             inA = (void *)&spec_fargs[aTest.fra_idx];
   1394             inB = (void *)&spec_fargs[aTest.frb_idx];
   1395             frap = (unsigned long long *)&spec_fargs[aTest.fra_idx];
   1396             memcpy(VECTOR_ADDR(vec_inA), inA, 8);
   1397             if (repeat) {
   1398                memcpy(VECTOR_ADDR(vec_out), inB, 8);  // src2
   1399                memcpy(VECTOR_ADDR(vec_inB), &spec_fargs[fp_idx[0]], 8);  //src3
   1400                frbp = (unsigned long long *)&spec_fargs[fp_idx[0]];
   1401             } else {
   1402                frbp = (unsigned long long *)&spec_fargs[aTest.frb_idx];
   1403                memcpy(VECTOR_ADDR(vec_inB), inB, 8);  // src2
   1404                memcpy(VECTOR_ADDR(vec_out), &spec_fargs[fp_idx[0]], 8);  //src3
   1405             }
   1406             memcpy(vsr_XT, VECTOR_ADDR(vec_out), 8);
   1407          } else {
   1408             int j, loops = do_dp ? 2 : 4;
   1409             size_t len = do_dp ? 8 : 4;
   1410             void * vec_src = repeat ? (void *)&vec_inB : (void *)&vec_out;
   1411             for (j = 0; j < loops; j++) {
   1412                if (do_dp)
   1413                   memcpy(vec_src + (j * len), &spec_fargs[fp_idx[j]], len);
   1414                else
   1415                   memcpy(vec_src + (j * len), &spec_sp_fargs[fp_idx[j]], len);
   1416             }
   1417             if (do_dp)
   1418                setup_dp_fp_args(&test_group.targs[i], repeat);
   1419             else
   1420                setup_sp_fp_args(&test_group.targs[i], repeat);
   1421 
   1422             memcpy(vsr_XT, &vec_out, 16);
   1423             memcpy(vsr_XB, &vec_inB, 16);
   1424          }
   1425 
   1426          (*func)();
   1427          dst = (unsigned long long *) &vec_out;
   1428          if (isLE)
   1429             dst++;
   1430          if (test_type < VX_VECTOR_FP_MULT_AND_OP2)
   1431             printf( "#%d: %s %s(%016llx,%016llx,%016llx) = %016llx\n", i,
   1432                     test_name, test_group.op, vsr_XT[0], *frap, *frbp, *dst );
   1433          else
   1434             print_vx_aORm_fp_result(vsr_XT, vsr_XB, &test_group, i);
   1435       }
   1436       printf( "\n" );
   1437 
   1438       if (repeat) {
   1439          repeat = 0;
   1440          if (test_type < VX_VECTOR_FP_MULT_AND_OP2) {
   1441                strcpy(test_name, test_group.name);
   1442                strcat(test_name, "mdp");
   1443          }
   1444          do_aXp = False;
   1445          goto again;
   1446       }
   1447       k++;
   1448    }
   1449    printf( "\n" );
   1450    free(test_name);
   1451 }
   1452 
   1453 static void test_vx_vector_one_fp_arg(void)
   1454 {
   1455    test_func_t func;
   1456    int k;
   1457    k = 0;
   1458    build_special_fargs_table();
   1459 
   1460    while ((func = vx_vector_one_fp_arg_tests[k].test_func)) {
   1461       int idx, i;
   1462       vx_fp_test_t test_group = vx_vector_one_fp_arg_tests[k];
   1463       Bool convToWord = (test_group.type == VX_CONV_WORD);
   1464       Bool dp = (test_group.precision == DOUBLE_TEST) ? True : False;
   1465       Bool xvrespTest = (strstr(test_group.name , "xvresp") != NULL) ? True: False;
   1466       int stride = dp ? 2 : 4;
   1467 
   1468       for (i = 0; i < test_group.num_tests; i+=stride) {
   1469          unsigned int * pv;
   1470          void * inB;
   1471 
   1472          pv = (unsigned int *)&vec_out;
   1473          // clear vec_out
   1474          for (idx = 0; idx < 4; idx++, pv++)
   1475             *pv = 0;
   1476 
   1477          if (dp) {
   1478             int j;
   1479             unsigned long long * frB_dp, *dst_dp;
   1480             for (j = 0; j < 2; j++) {
   1481                inB = (void *)&spec_fargs[i + j];
   1482                // copy double precision FP into vector element i
   1483                memcpy(((void *)&vec_inB) + (j * 8), inB, 8);
   1484             }
   1485             // execute test insn
   1486             (*func)();
   1487             dst_dp = (unsigned long long *) &vec_out;
   1488             printf("#%d: %s ", i/2, test_group.name);
   1489             for (j = 0; j < 2; j++) {
   1490                if (j)
   1491                   printf("; ");
   1492                frB_dp = (unsigned long long *)&spec_fargs[i + j];
   1493                printf("%s(%016llx)", test_group.op, *frB_dp);
   1494                printf(" = %016llx", convToWord ? (dst_dp[j] & 0x00000000ffffffffULL) : dst_dp[j]);
   1495             }
   1496             printf("\n");
   1497          } else {
   1498             int j;
   1499             unsigned int * frB_sp, * dst_sp;
   1500 
   1501             for (j = 0; j < 4; j++) {
   1502                inB = (void *)&spec_sp_fargs[i + j];
   1503                // copy single precision FP into vector element i
   1504                memcpy(((void *)&vec_inB) + (j * 4), inB, 4);
   1505             }
   1506             // execute test insn
   1507             (*func)();
   1508             dst_sp = (unsigned int *) &vec_out;
   1509             // print result
   1510             printf("#%d: %s ", i/4, test_group.name);
   1511             for (j = 0; j < 4; j++) {
   1512                if (j)
   1513                   printf("; ");
   1514                frB_sp = (unsigned int *)&spec_sp_fargs[i + j];
   1515                printf("%s(%08x)", test_group.op, *frB_sp);
   1516                if (xvrespTest) {
   1517                   float calc_diff = fabs(spec_sp_fargs[i + j]/256);
   1518                   float sp_res;
   1519                   memcpy(&sp_res, &dst_sp[j], 4);
   1520                   float div_result = 1/spec_sp_fargs[i + j];
   1521                   float real_diff = fabs(sp_res - div_result);
   1522                   printf( " ==> %s",
   1523                           ( ( sp_res == div_result )
   1524                                    || ( isnan(sp_res) && isnan(div_result) )
   1525                                    || ( real_diff <= calc_diff ) ) ? "PASS"
   1526                                                                      : "FAIL");
   1527                } else {
   1528                   printf(" = %08x", dst_sp[j]);
   1529                }
   1530             }
   1531             printf("\n");
   1532          }
   1533       }
   1534       k++;
   1535       printf( "\n" );
   1536    }
   1537 
   1538 }
   1539 
   1540 /* This function assumes the instruction being tested requires two args. */
   1541 static void test_vx_vector_fp_ops(void)
   1542 {
   1543    test_func_t func;
   1544    int k;
   1545    k = 0;
   1546    build_special_fargs_table();
   1547 
   1548    while ((func = vx_vector_fp_tests[k].test_func)) {
   1549       int idx, i, repeat = 1;
   1550       vx_fp_test_t test_group = vx_vector_fp_tests[k];
   1551       int stride = test_group.precision == DOUBLE_TEST ? 2 : 4;
   1552       do_dot = False;
   1553 
   1554 again:
   1555       for (i = 0; i < test_group.num_tests; i+=stride) {
   1556          unsigned int * pv, condreg;
   1557          unsigned int flags;
   1558 
   1559          pv = (unsigned int *)&vec_out;
   1560          if (test_group.precision == DOUBLE_TEST)
   1561             setup_dp_fp_args(&test_group.targs[i], False);
   1562          else
   1563             setup_sp_fp_args(&test_group.targs[i], False);
   1564 
   1565          // clear vec_out
   1566          for (idx = 0; idx < 4; idx++, pv++)
   1567             *pv = 0;
   1568 
   1569          // execute test insn
   1570          SET_FPSCR_ZERO;
   1571          SET_CR_XER_ZERO;
   1572          (*func)();
   1573          GET_CR(flags);
   1574          if (test_group.type == VX_BASIC_CMP) {
   1575             condreg = (flags & 0x000000f0) >> 4;
   1576          } else {
   1577             condreg = VX_NOT_CMP_OP;
   1578          }
   1579          print_vector_fp_result(condreg, &test_group, i);
   1580       }
   1581       printf("\n");
   1582       if (repeat && test_group.type == VX_BASIC_CMP) {
   1583          repeat = 0;
   1584          do_dot = True;
   1585          goto again;
   1586       }
   1587       k++;
   1588       printf( "\n" );
   1589    }
   1590 }
   1591 
   1592 
   1593 // The div doubleword test data
   1594 signed long long div_dw_tdata[13][2] = {
   1595                                        { 4, -4 },
   1596                                        { 4, -3 },
   1597                                        { 4, 4 },
   1598                                        { 4, -5 },
   1599                                        { 3, 8 },
   1600                                        { 0x8000000000000000ULL, 0xa },
   1601                                        { 0x50c, -1 },
   1602                                        { 0x50c, -4096 },
   1603                                        { 0x1234fedc, 0x8000a873 },
   1604                                        { 0xabcd87651234fedcULL, 0xa123b893 },
   1605                                        { 0x123456789abdcULL, 0 },
   1606                                        { 0, 2 },
   1607                                        { 0x77, 0xa3499 }
   1608 };
   1609 #define dw_tdata_len (sizeof(div_dw_tdata)/sizeof(signed long long)/2)
   1610 
   1611 // The div word test data
   1612 unsigned int div_w_tdata[6][2] = {
   1613                               { 0, 2 },
   1614                               { 2, 0 },
   1615                               { 0x7abc1234, 0xf0000000 },
   1616                               { 0xfabc1234, 5 },
   1617                               { 77, 66 },
   1618                               { 5, 0xfabc1234 },
   1619 };
   1620 #define w_tdata_len (sizeof(div_w_tdata)/sizeof(unsigned int)/2)
   1621 
   1622 typedef struct div_ext_test
   1623 {
   1624    test_func_t test_func;
   1625    const char *name;
   1626    int num_tests;
   1627    div_type_t div_type;
   1628    precision_type_t precision;
   1629 } div_ext_test_t;
   1630 
   1631 static div_ext_test_t div_tests[] = {
   1632 #ifdef __powerpc64__
   1633                                    { &test_divde, "divde", dw_tdata_len, DIV_BASE, DOUBLE_TEST },
   1634                                    { &test_divde, "divdeo", dw_tdata_len, DIV_OE, DOUBLE_TEST },
   1635 #endif
   1636                                    { &test_divweu, "divweu", w_tdata_len, DIV_BASE, SINGLE_TEST },
   1637                                    { &test_divweu, "divweuo", w_tdata_len, DIV_OE, SINGLE_TEST },
   1638                                    { NULL, NULL, 0, 0, 0 }
   1639 };
   1640 
   1641 static void test_div_extensions(void)
   1642 {
   1643    test_func_t func;
   1644    int k;
   1645    k = 0;
   1646 
   1647    while ((func = div_tests[k].test_func)) {
   1648       int i, repeat = 1;
   1649       div_ext_test_t test_group = div_tests[k];
   1650       do_dot = False;
   1651 
   1652 again:
   1653       for (i = 0; i < test_group.num_tests; i++) {
   1654          unsigned int condreg;
   1655 
   1656          if (test_group.div_type == DIV_OE)
   1657             do_OE = True;
   1658          else
   1659             do_OE = False;
   1660 
   1661          if (test_group.precision == DOUBLE_TEST) {
   1662             r14 = div_dw_tdata[i][0];
   1663             r15 = div_dw_tdata[i][1];
   1664          } else {
   1665             r14 = div_w_tdata[i][0];
   1666             r15 = div_w_tdata[i][1];
   1667          }
   1668          // execute test insn
   1669          (*func)();
   1670          condreg = (div_flags & 0xf0000000) >> 28;
   1671          printf("#%d: %s%s: ", i, test_group.name, do_dot ? "." : "");
   1672          if (test_group.precision == DOUBLE_TEST) {
   1673             printf("0x%016llx / 0x%016llx = 0x%016llx;",
   1674                    div_dw_tdata[i][0], div_dw_tdata[i][1], (signed long long) r17);
   1675          } else {
   1676             printf("0x%08x / 0x%08x = 0x%08x;",
   1677                    div_w_tdata[i][0], div_w_tdata[i][1], (unsigned int) r17);
   1678          }
   1679          printf(" CR=%x; XER=%x\n", condreg, div_xer);
   1680       }
   1681       printf("\n");
   1682       if (repeat) {
   1683          repeat = 0;
   1684          do_dot = True;
   1685          goto again;
   1686       }
   1687       k++;
   1688       printf( "\n" );
   1689    }
   1690 
   1691 }
   1692 
   1693 static void test_fct_ops(void)
   1694 {
   1695    test_func_t func;
   1696    int k;
   1697    k = 0;
   1698 
   1699    while ((func = fct_tests[k].test_func)) {
   1700       int i, repeat = 1;
   1701       simple_test_t test_group = fct_tests[k];
   1702       do_dot = False;
   1703 
   1704 again:
   1705       for (i = 0; i < nb_special_fargs; i++) {
   1706          double result;
   1707 #define SINGLE_MASK 0x00000000FFFFFFFFULL
   1708 
   1709          f14 = spec_fargs[i];
   1710          // execute test insn
   1711          SET_FPSCR_ZERO;
   1712          (*func)();
   1713          result = f17;
   1714          printf("#%d: %s%s: ", i, test_group.name, do_dot ? "." : "");
   1715          printf("0x%016llx (%e) ==> 0x%016llx\n",
   1716                 *((unsigned long long *)(&spec_fargs[i])), spec_fargs[i],
   1717                 test_group.precision == SINGLE_TEST ? (SINGLE_MASK &
   1718                          *((unsigned long long *)(&result))) :
   1719                          *((unsigned long long *)(&result)));
   1720       }
   1721       printf("\n");
   1722       if (repeat) {
   1723          repeat = 0;
   1724          do_dot = True;
   1725          goto again;
   1726       }
   1727       k++;
   1728       printf( "\n" );
   1729    }
   1730 }
   1731 
   1732 #ifdef __powerpc64__
   1733 void test_stdbrx(void)
   1734 {
   1735    unsigned long long store, val = 0xdeadbacf12345678ULL;
   1736    printf("stdbrx: 0x%llx ==> ", val);
   1737    r17 = (HWord_t)val;
   1738    r14 = (HWord_t)&store;
   1739    __asm__ __volatile__ ("stdbrx %0, 0, %1" : : "r"(r17), "r"(r14));
   1740    printf("0x%llx\n", store);
   1741    printf( "\n" );
   1742 }
   1743 #endif
   1744 
   1745 static test_table_t
   1746          all_tests[] =
   1747 {
   1748                     { &test_vx_vector_one_fp_arg,
   1749                       "Test VSX vector single arg instructions", OTHER_INST },
   1750                     { &test_vx_vector_fp_ops,
   1751                       "Test VSX floating point compare and basic arithmetic instructions", OTHER_INST },
   1752 #ifdef __powerpc64__
   1753                      { &test_bpermd,
   1754                        "Test bit permute double", OTHER_INST },
   1755 #endif
   1756                      { &test_xxsel,
   1757                          "Test xxsel instruction", OTHER_INST },
   1758                      { &test_xxspltw,
   1759                          "Test xxspltw instruction", OTHER_INST },
   1760                      { &test_div_extensions,
   1761                        "Test div extensions", SCALAR_DIV_INST },
   1762                      { &test_fct_ops,
   1763                        "Test floating point convert [word | doubleword] unsigned, with round toward zero", OTHER_INST },
   1764 #ifdef __powerpc64__
   1765                      { &test_stdbrx,
   1766                       "Test stdbrx instruction", OTHER_INST },
   1767 #endif
   1768                      { &test_vx_aORm_fp_ops,
   1769 		       "Test floating point arithmetic instructions -- with a{d|s}p or m{d|s}p", OTHER_INST },
   1770                      { &test_vx_simple_scalar_fp_ops,
   1771                       "Test scalar floating point arithmetic instructions", OTHER_INST },
   1772                      { NULL, NULL }
   1773 };
   1774 #endif // HAS_VSX
   1775 
   1776 static void usage (void)
   1777 {
   1778   fprintf(stderr,
   1779 	  "Usage: test_isa_3_0 [OPTIONS]\n"
   1780 	  "\t-d: test scalar division instructions (default)\n"
   1781 	  "\t-o: test non scalar division instructions (default)\n"
   1782 	  "\t-A: test all instructions (default)\n"
   1783 	  "\t-h: display this help and exit\n"
   1784 	  );
   1785 }
   1786 
   1787 int main(int argc, char *argv[])
   1788 {
   1789 #ifdef HAS_VSX
   1790 
   1791    test_table_t aTest;
   1792    test_func_t func;
   1793    int i = 0;
   1794    int c;
   1795    unsigned int test_run_mask = 0;
   1796 
   1797    /* NOTE, ISA 3.0 introduces the OV32 and CA32 bits in the FPSCR. These
   1798     * bits are set on various arithimetic instructions.  This means this
   1799     * test generates different FPSCR output for pre ISA 3.0 versus ISA 3.0
   1800     * hardware.  The tests have been grouped so that the tests that generate
   1801     * different results are in one test and the rest are in a different test.
   1802     * this minimizes the size of the result expect files for the two cases.
   1803     */
   1804 
   1805    while ((c = getopt(argc, argv, "doAh")) != -1) {
   1806       switch (c) {
   1807       case 'd':
   1808 	test_run_mask |= SCALAR_DIV_INST;
   1809          break;
   1810       case 'o':
   1811 	test_run_mask |= OTHER_INST;
   1812          break;
   1813       case 'A':
   1814 	test_run_mask = 0xFFFF;
   1815          break;
   1816       case 'h':
   1817          usage();
   1818          return 0;
   1819 
   1820       default:
   1821          usage();
   1822          fprintf(stderr, "Unknown argument: '%c'\n", c);
   1823          return 1;
   1824       }
   1825    }
   1826 
   1827    while ((func = all_tests[i].test_category)) {
   1828       aTest = all_tests[i];
   1829       if(test_run_mask & aTest.test_group) {
   1830 	/* Test group  specified on command line */
   1831 
   1832 	printf( "%s\n", aTest.name );
   1833 	(*func)();
   1834       }
   1835       i++;
   1836    }
   1837    if (spec_fargs)
   1838      free(spec_fargs);
   1839    if (spec_sp_fargs)
   1840      free(spec_sp_fargs);
   1841 
   1842 #endif // HAS _VSX
   1843 
   1844    return 0;
   1845 }
   1846