| 1 | #include "macros.inc" |
| 2 | #include "fpu.h" |
| 3 | |
| 4 | test_suite fp0_div |
| 5 | |
| 6 | #if XCHAL_HAVE_FP_DIV |
| 7 | |
| 8 | .macro divs_seq q, a, b, r, y, y0, an, bn, e, ex |
| 9 | div0.s \y0, \b |
| 10 | nexp01.s \bn, \b |
| 11 | const.s \e, 1 |
| 12 | maddn.s \e, \bn, \y0 |
| 13 | mov.s \y, \y0 |
| 14 | mov.s \ex, \b |
| 15 | nexp01.s \an, \a |
| 16 | maddn.s \y, \e, \y0 |
| 17 | const.s \e, 1 |
| 18 | const.s \q, 0 |
| 19 | neg.s \r, \an |
| 20 | maddn.s \e, \bn, \y |
| 21 | maddn.s \q, \r, \y0 |
| 22 | mkdadj.s \ex, \a |
| 23 | maddn.s \y, \e, \y |
| 24 | maddn.s \r, \bn, \q |
| 25 | const.s \e, 1 |
| 26 | maddn.s \e, \bn, \y |
| 27 | maddn.s \q, \r, \y |
| 28 | neg.s \r, \an |
| 29 | maddn.s \y, \e, \y |
| 30 | maddn.s \r, \bn, \q |
| 31 | addexpm.s \q, \ex |
| 32 | addexp.s \y, \ex |
| 33 | divn.s \q, \r, \y |
| 34 | .endm |
| 35 | |
| 36 | .macro div_s fr0, fr1, fr2 |
| 37 | divs_seq \fr0, \fr1, \fr2, f9, f10, f11, f12, f13, f14, f15 |
| 38 | .endm |
| 39 | |
| 40 | .macro movfp fr, v |
| 41 | movi a2, \v |
| 42 | wfr \fr, a2 |
| 43 | .endm |
| 44 | |
| 45 | .macro check_res fr, r, sr |
| 46 | rfr a2, \fr |
| 47 | dump a2 |
| 48 | movi a3, \r |
| 49 | assert eq, a2, a3 |
| 50 | rur a2, fsr |
| 51 | movi a3, \sr |
| 52 | assert eq, a2, a3 |
| 53 | .endm |
| 54 | |
| 55 | test div_s |
| 56 | movi a2, 1 |
| 57 | wsr a2, cpenable |
| 58 | |
| 59 | test_op2 div_s, f0, f1, f2, 0x40000000, 0x40400000, \ |
| 60 | 0x3f2aaaab, 0x3f2aaaaa, 0x3f2aaaab, 0x3f2aaaaa, \ |
| 61 | FSR_I, FSR_I, FSR_I, FSR_I |
| 62 | test_op2 div_s, f3, f4, f5, F32_1, F32_0, \ |
| 63 | F32_PINF, F32_PINF, F32_PINF, F32_PINF, \ |
| 64 | FSR_Z, FSR_Z, FSR_Z, FSR_Z |
| 65 | test_op2 div_s, f6, f7, f8, F32_0, F32_0, \ |
| 66 | F32_DNAN, F32_DNAN, F32_DNAN, F32_DNAN, \ |
| 67 | FSR_V, FSR_V, FSR_V, FSR_V |
| 68 | |
| 69 | /* MAX_FLOAT / 0.5 = +inf/MAX_FLOAT */ |
| 70 | test_op2 div_s, f0, f1, f2, F32_MAX, F32_0_5, \ |
| 71 | F32_PINF, F32_MAX, F32_PINF, F32_MAX, \ |
| 72 | FSR_OI, FSR_OI, FSR_OI, FSR_OI |
| 73 | |
| 74 | /* 0.5 / MAX_FLOAT = denorm */ |
| 75 | test_op2 div_s, f0, f1, f2, F32_0_5, F32_MAX, \ |
| 76 | 0x00100000, 0x00100000, 0x00100001, 0x00100000, \ |
| 77 | FSR_UI, FSR_UI, FSR_UI, FSR_UI |
| 78 | test_end |
| 79 | |
| 80 | #endif |
| 81 | |
| 82 | test_suite_end |