xref: /openbmc/qemu/tests/tcg/xtensa/test_fp0_sqrt.S (revision ffe98631)
1#include "macros.inc"
2#include "fpu.h"
3
4test_suite fp0_sqrt
5
6#if XCHAL_HAVE_FP_SQRT
7
8.macro  sqrt_seq r, a, y, t1, hn, h2, t5, h
9    sqrt0.s     \y, \a
10    const.s     \t1, 0
11    maddn.s     \t1, \y, \y
12    nexp01.s    \hn, \a
13    const.s     \r, 3
14    addexp.s    \hn, \r
15    maddn.s     \r, \t1, \hn
16    nexp01.s    \t1, \a
17    neg.s       \h2, \t1
18    maddn.s     \y, \r, \y
19    const.s     \r, 0
20    const.s     \t5, 0
21    const.s     \h, 0
22    maddn.s     \r, \h2, \y
23    maddn.s     \t5, \y, \hn
24    const.s     \hn, 3
25    maddn.s     \h, \hn, \y
26    maddn.s     \t1, \r, \r
27    maddn.s     \hn, \t5, \y
28    neg.s       \y, \h
29    maddn.s     \r, \t1, \y
30    maddn.s     \h, \hn, \h
31    mksadj.s    \y, \a
32    nexp01.s    \a, \a
33    maddn.s     \a, \r, \r
34    neg.s       \t1, \h
35    addexpm.s   \r, \y
36    addexp.s    \t1, \y
37    divn.s      \r, \a, \t1
38.endm
39
40.macro sqrt_s fr0, fr1
41    sqrt_seq    \fr0, \fr1, f10, f11, f12, f13, f14, f15
42.endm
43
44.macro movfp fr, v
45    movi        a2, \v
46    wfr         \fr, a2
47.endm
48
49.macro check_res fr, r, sr
50    rfr         a2, \fr
51    dump        a2
52    movi        a3, \r
53    assert      eq, a2, a3
54    rur         a2, fsr
55    movi        a3, \sr
56    assert      eq, a2, a3
57.endm
58
59test sqrt_s
60    movi        a2, 1
61    wsr         a2, cpenable
62
63    test_op1    sqrt_s, f0, f1, 0x40000000, \
64        0x3fb504f3, 0x3fb504f3, 0x3fb504f4, 0x3fb504f3, \
65             FSR_I,      FSR_I,      FSR_I,      FSR_I
66    test_op1    sqrt_s, f3, f4, F32_1, \
67        F32_1, F32_1, F32_1, F32_1, \
68        FSR__, FSR__, FSR__, FSR__
69    test_op1    sqrt_s, f6, f7, F32_MINUS | F32_1, \
70        F32_DNAN, F32_DNAN, F32_DNAN, F32_DNAN, \
71           FSR_V,    FSR_V,    FSR_V,    FSR_V
72test_end
73
74#endif
75
76test_suite_end
77