isa/rv64ud/fcvt_w.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # fcvt_w.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test fcvt{wu|w|lu|l}.d instructions.
   8 #
   9
  10 #include "riscv_test.h"
  11 #include "test_macros.h"
  12
  13 RVTEST_RV64UF
  14 RVTEST_CODE_BEGIN
  15
  16   #-------------------------------------------------------------
  17   # Arithmetic tests
  18   #-------------------------------------------------------------
  19
  20   TEST_FP_INT_OP_D( 2,  fcvt.w.d, 0x01,         -1, -1.1, rtz);
  21   TEST_FP_INT_OP_D( 3,  fcvt.w.d, 0x00,         -1, -1.0, rtz);
  22   TEST_FP_INT_OP_D( 4,  fcvt.w.d, 0x01,          0, -0.9, rtz);
  23   TEST_FP_INT_OP_D( 5,  fcvt.w.d, 0x01,          0,  0.9, rtz);
  24   TEST_FP_INT_OP_D( 6,  fcvt.w.d, 0x00,          1,  1.0, rtz);
  25   TEST_FP_INT_OP_D( 7,  fcvt.w.d, 0x01,          1,  1.1, rtz);
  26   TEST_FP_INT_OP_D( 8,  fcvt.w.d, 0x10,     -1<<31, -3e9, rtz);
  27   TEST_FP_INT_OP_D( 9,  fcvt.w.d, 0x10,  (1<<31)-1,  3e9, rtz);
  28
  29   TEST_FP_INT_OP_D(12, fcvt.wu.d, 0x10,          0, -3.0, rtz);
  30   TEST_FP_INT_OP_D(13, fcvt.wu.d, 0x10,          0, -1.0, rtz);
  31   TEST_FP_INT_OP_D(14, fcvt.wu.d, 0x01,          0, -0.9, rtz);
  32   TEST_FP_INT_OP_D(15, fcvt.wu.d, 0x01,          0,  0.9, rtz);
  33   TEST_FP_INT_OP_D(16, fcvt.wu.d, 0x00,          1,  1.0, rtz);
  34   TEST_FP_INT_OP_D(17, fcvt.wu.d, 0x01,          1,  1.1, rtz);
  35   TEST_FP_INT_OP_D(18, fcvt.wu.d, 0x10,          0, -3e9, rtz);
  36   TEST_FP_INT_OP_D(19, fcvt.wu.d, 0x00, 0xffffffffb2d05e00, 3e9, rtz);
  37
  38 #if __riscv_xlen >= 64
  39   TEST_FP_INT_OP_D(22,  fcvt.l.d, 0x01,         -1, -1.1, rtz);
  40   TEST_FP_INT_OP_D(23,  fcvt.l.d, 0x00,         -1, -1.0, rtz);
  41   TEST_FP_INT_OP_D(24,  fcvt.l.d, 0x01,          0, -0.9, rtz);
  42   TEST_FP_INT_OP_D(25,  fcvt.l.d, 0x01,          0,  0.9, rtz);
  43   TEST_FP_INT_OP_D(26,  fcvt.l.d, 0x00,          1,  1.0, rtz);
  44   TEST_FP_INT_OP_D(27,  fcvt.l.d, 0x01,          1,  1.1, rtz);
  45   TEST_FP_INT_OP_D(28,  fcvt.l.d, 0x00,-3000000000, -3e9, rtz);
  46   TEST_FP_INT_OP_D(29,  fcvt.l.d, 0x00, 3000000000,  3e9, rtz);
  47   TEST_FP_INT_OP_D(20,  fcvt.l.d, 0x10,     -1<<63,-3e19, rtz);
  48   TEST_FP_INT_OP_D(21,  fcvt.l.d, 0x10,  (1<<63)-1, 3e19, rtz);
  49
  50   TEST_FP_INT_OP_D(32, fcvt.lu.d, 0x10,          0, -3.0, rtz);
  51   TEST_FP_INT_OP_D(33, fcvt.lu.d, 0x10,          0, -1.0, rtz);
  52   TEST_FP_INT_OP_D(34, fcvt.lu.d, 0x01,          0, -0.9, rtz);
  53   TEST_FP_INT_OP_D(35, fcvt.lu.d, 0x01,          0,  0.9, rtz);
  54   TEST_FP_INT_OP_D(36, fcvt.lu.d, 0x00,          1,  1.0, rtz);
  55   TEST_FP_INT_OP_D(37, fcvt.lu.d, 0x01,          1,  1.1, rtz);
  56   TEST_FP_INT_OP_D(38, fcvt.lu.d, 0x10,          0, -3e9, rtz);
  57   TEST_FP_INT_OP_D(39, fcvt.lu.d, 0x00, 3000000000,  3e9, rtz);
  58 #endif
  59
  60   # test negative NaN, negative infinity conversion
  61   TEST_CASE(42, x1, 0x000000007fffffff, la x1, tdat_d; fld f1,  0(x1); fcvt.w.d x1, f1)
  62 #if __riscv_xlen >= 64
  63   TEST_CASE(43, x1, 0x7fffffffffffffff, la x1, tdat_d; fld f1,  0(x1); fcvt.l.d x1, f1)
  64 #endif
  65   TEST_CASE(44, x1, 0xffffffff80000000, la x1, tdat_d; fld f1, 16(x1); fcvt.w.d x1, f1)
  66 #if __riscv_xlen >= 64
  67   TEST_CASE(45, x1, 0x8000000000000000, la x1, tdat_d; fld f1, 16(x1); fcvt.l.d x1, f1)
  68 #endif
  69
  70   # test positive NaN, positive infinity conversion
  71   TEST_CASE(52, x1, 0x000000007fffffff, la x1, tdat_d; fld f1,  8(x1); fcvt.w.d x1, f1)
  72 #if __riscv_xlen >= 64
  73   TEST_CASE(53, x1, 0x7fffffffffffffff, la x1, tdat_d; fld f1,  8(x1); fcvt.l.d x1, f1)
  74 #endif
  75   TEST_CASE(54, x1, 0x000000007fffffff, la x1, tdat_d; fld f1, 24(x1); fcvt.w.d x1, f1)
  76 #if __riscv_xlen >= 64
  77   TEST_CASE(55, x1, 0x7fffffffffffffff, la x1, tdat_d; fld f1, 24(x1); fcvt.l.d x1, f1)
  78 #endif
  79
  80   # test NaN, infinity conversions to unsigned integer
  81   TEST_CASE(62, x1, 0xffffffffffffffff, la x1, tdat_d; fld f1,  0(x1); fcvt.wu.d x1, f1)
  82   TEST_CASE(63, x1, 0xffffffffffffffff, la x1, tdat_d; fld f1,  8(x1); fcvt.wu.d x1, f1)
  83   TEST_CASE(64, x1,                  0, la x1, tdat_d; fld f1, 16(x1); fcvt.wu.d x1, f1)
  84   TEST_CASE(65, x1, 0xffffffffffffffff, la x1, tdat_d; fld f1, 24(x1); fcvt.wu.d x1, f1)
  85 #if __riscv_xlen >= 64
  86   TEST_CASE(66, x1, 0xffffffffffffffff, la x1, tdat_d; fld f1,  0(x1); fcvt.lu.d x1, f1)
  87   TEST_CASE(67, x1, 0xffffffffffffffff, la x1, tdat_d; fld f1,  8(x1); fcvt.lu.d x1, f1)
  88   TEST_CASE(68, x1,                  0, la x1, tdat_d; fld f1, 16(x1); fcvt.lu.d x1, f1)
  89   TEST_CASE(69, x1, 0xffffffffffffffff, la x1, tdat_d; fld f1, 24(x1); fcvt.lu.d x1, f1)
  90 #endif
  91
  92   TEST_PASSFAIL
  93
  94 RVTEST_CODE_END
  95
  96   .data
  97 RVTEST_DATA_BEGIN
  98
  99   TEST_DATA
 100
 101 # -NaN, NaN, -inf, +inf
 102 tdat:
 103 .word 0xffffffff
 104 .word 0x7fffffff
 105 .word 0xff800000
 106 .word 0x7f800000
 107
 108 tdat_d:
 109 .dword 0xffffffffffffffff
 110 .dword 0x7fffffffffffffff
 111 .dword 0xfff0000000000000
 112 .dword 0x7ff0000000000000
 113
 114 RVTEST_DATA_END