isa/rv64uf/fcvt_w.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # fcvt_w.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test fcvt{wu|w|lu|l}.s 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_S( 2,  fcvt.w.s, 0x01,         -1, -1.1, rtz);
  21   TEST_FP_INT_OP_S( 3,  fcvt.w.s, 0x00,         -1, -1.0, rtz);
  22   TEST_FP_INT_OP_S( 4,  fcvt.w.s, 0x01,          0, -0.9, rtz);
  23   TEST_FP_INT_OP_S( 5,  fcvt.w.s, 0x01,          0,  0.9, rtz);
  24   TEST_FP_INT_OP_S( 6,  fcvt.w.s, 0x00,          1,  1.0, rtz);
  25   TEST_FP_INT_OP_S( 7,  fcvt.w.s, 0x01,          1,  1.1, rtz);
  26   TEST_FP_INT_OP_S( 8,  fcvt.w.s, 0x10,     -1<<31, -3e9, rtz);
  27   TEST_FP_INT_OP_S( 9,  fcvt.w.s, 0x10,  (1<<31)-1,  3e9, rtz);
  28
  29   TEST_FP_INT_OP_S(12, fcvt.wu.s, 0x10,          0, -3.0, rtz);
  30   TEST_FP_INT_OP_S(13, fcvt.wu.s, 0x10,          0, -1.0, rtz);
  31   TEST_FP_INT_OP_S(14, fcvt.wu.s, 0x01,          0, -0.9, rtz);
  32   TEST_FP_INT_OP_S(15, fcvt.wu.s, 0x01,          0,  0.9, rtz);
  33   TEST_FP_INT_OP_S(16, fcvt.wu.s, 0x00,          1,  1.0, rtz);
  34   TEST_FP_INT_OP_S(17, fcvt.wu.s, 0x01,          1,  1.1, rtz);
  35   TEST_FP_INT_OP_S(18, fcvt.wu.s, 0x10,          0, -3e9, rtz);
  36   TEST_FP_INT_OP_S(19, fcvt.wu.s, 0x00, 3000000000,  3e9, rtz);
  37
  38   TEST_FP_INT_OP_S(22,  fcvt.l.s, 0x01,         -1, -1.1, rtz);
  39   TEST_FP_INT_OP_S(23,  fcvt.l.s, 0x00,         -1, -1.0, rtz);
  40   TEST_FP_INT_OP_S(24,  fcvt.l.s, 0x01,          0, -0.9, rtz);
  41   TEST_FP_INT_OP_S(25,  fcvt.l.s, 0x01,          0,  0.9, rtz);
  42   TEST_FP_INT_OP_S(26,  fcvt.l.s, 0x00,          1,  1.0, rtz);
  43   TEST_FP_INT_OP_S(27,  fcvt.l.s, 0x01,          1,  1.1, rtz);
  44
  45   TEST_FP_INT_OP_S(32, fcvt.lu.s, 0x10,          0, -3.0, rtz);
  46   TEST_FP_INT_OP_S(33, fcvt.lu.s, 0x10,          0, -1.0, rtz);
  47   TEST_FP_INT_OP_S(34, fcvt.lu.s, 0x01,          0, -0.9, rtz);
  48   TEST_FP_INT_OP_S(35, fcvt.lu.s, 0x01,          0,  0.9, rtz);
  49   TEST_FP_INT_OP_S(36, fcvt.lu.s, 0x00,          1,  1.0, rtz);
  50   TEST_FP_INT_OP_S(37, fcvt.lu.s, 0x01,          1,  1.1, rtz);
  51   TEST_FP_INT_OP_S(38, fcvt.lu.s, 0x10,          0, -3e9, rtz);
  52
  53   # test negative NaN, negative infinity conversion
  54   TEST_CASE( 42, x1, 0x000000007fffffff, la x1, tdat  ; flw f1,  0(x1); fcvt.w.s x1, f1)
  55   TEST_CASE( 43, x1, 0x7fffffffffffffff, la x1, tdat  ; flw f1,  0(x1); fcvt.l.s x1, f1)
  56   TEST_CASE( 44, x1, 0xffffffff80000000, la x1, tdat  ; flw f1,  8(x1); fcvt.w.s x1, f1)
  57   TEST_CASE( 45, x1, 0x8000000000000000, la x1, tdat  ; flw f1,  8(x1); fcvt.l.s x1, f1)
  58
  59   # test positive NaN, positive infinity conversion
  60   TEST_CASE( 52, x1, 0x000000007fffffff, la x1, tdat  ; flw f1,  4(x1); fcvt.w.s x1, f1)
  61   TEST_CASE( 53, x1, 0x7fffffffffffffff, la x1, tdat  ; flw f1,  4(x1); fcvt.l.s x1, f1)
  62   TEST_CASE( 54, x1, 0x000000007fffffff, la x1, tdat  ; flw f1, 12(x1); fcvt.w.s x1, f1)
  63   TEST_CASE( 55, x1, 0x7fffffffffffffff, la x1, tdat  ; flw f1, 12(x1); fcvt.l.s x1, f1)
  64
  65   # test NaN, infinity conversions to unsigned integer
  66   TEST_CASE( 62, x1, 0xffffffffffffffff, la x1, tdat  ; flw f1,  0(x1); fcvt.wu.s x1, f1)
  67   TEST_CASE( 63, x1, 0xffffffffffffffff, la x1, tdat  ; flw f1,  4(x1); fcvt.wu.s x1, f1)
  68   TEST_CASE( 64, x1,                  0, la x1, tdat  ; flw f1,  8(x1); fcvt.wu.s x1, f1)
  69   TEST_CASE( 65, x1, 0xffffffffffffffff, la x1, tdat  ; flw f1, 12(x1); fcvt.wu.s x1, f1)
  70   TEST_CASE( 66, x1, 0xffffffffffffffff, la x1, tdat  ; flw f1,  0(x1); fcvt.lu.s x1, f1)
  71   TEST_CASE( 67, x1, 0xffffffffffffffff, la x1, tdat  ; flw f1,  4(x1); fcvt.lu.s x1, f1)
  72   TEST_CASE( 68, x1,                  0, la x1, tdat  ; flw f1,  8(x1); fcvt.lu.s x1, f1)
  73   TEST_CASE( 69, x1, 0xffffffffffffffff, la x1, tdat  ; flw f1, 12(x1); fcvt.lu.s x1, f1)
  74
  75   TEST_PASSFAIL
  76
  77 RVTEST_CODE_END
  78
  79   .data
  80 RVTEST_DATA_BEGIN
  81
  82   TEST_DATA
  83
  84 # -NaN, NaN, -inf, +inf
  85 tdat:
  86 .word 0xffffffff
  87 .word 0x7fffffff
  88 .word 0xff800000
  89 .word 0x7f800000
  90
  91 tdat_d:
  92 .dword 0xffffffffffffffff
  93 .dword 0x7fffffffffffffff
  94 .dword 0xfff0000000000000
  95 .dword 0x7ff0000000000000
  96
  97 RVTEST_DATA_END