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| author |   Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com> | 2023-10-10 11:40:56 +0000 |
|---|---|---|
| committer | Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com> | 2023-10-10 11:40:56 +0000 |
| commit | e02cda008591317b1625707ff8e115a4841aa889 (patch) | |
| tree | aee302e3cf8b59ec2d32ec481be3d1afddfc8968 /tests/tcg/xtensa/test_fp0_div.S | |
| parent | cc668e6b7e0ffd8c9d130513d12053cf5eda1d3b (diff) | |
Introduce Virtio-loopback epsilon release:
Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.
Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9
Diffstat (limited to 'tests/tcg/xtensa/test_fp0_div.S')
| -rw-r--r-- | tests/tcg/xtensa/test_fp0_div.S | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/tests/tcg/xtensa/test_fp0_div.S b/tests/tcg/xtensa/test_fp0_div.S new file mode 100644 index 000000000..c3e7ad7bb --- /dev/null +++ b/tests/tcg/xtensa/test_fp0_div.S @@ -0,0 +1,82 @@ +#include "macros.inc" +#include "fpu.h" + +test_suite fp0_div + +#if XCHAL_HAVE_FP_DIV + +.macro divs_seq q, a, b, r, y, y0, an, bn, e, ex + div0.s \y0, \b + nexp01.s \bn, \b + const.s \e, 1 + maddn.s \e, \bn, \y0 + mov.s \y, \y0 + mov.s \ex, \b + nexp01.s \an, \a + maddn.s \y, \e, \y0 + const.s \e, 1 + const.s \q, 0 + neg.s \r, \an + maddn.s \e, \bn, \y + maddn.s \q, \r, \y0 + mkdadj.s \ex, \a + maddn.s \y, \e, \y + maddn.s \r, \bn, \q + const.s \e, 1 + maddn.s \e, \bn, \y + maddn.s \q, \r, \y + neg.s \r, \an + maddn.s \y, \e, \y + maddn.s \r, \bn, \q + addexpm.s \q, \ex + addexp.s \y, \ex + divn.s \q, \r, \y +.endm + +.macro div_s fr0, fr1, fr2 + divs_seq \fr0, \fr1, \fr2, f9, f10, f11, f12, f13, f14, f15 +.endm + +.macro movfp fr, v + movi a2, \v + wfr \fr, a2 +.endm + +.macro check_res fr, r, sr + rfr a2, \fr + dump a2 + movi a3, \r + assert eq, a2, a3 + rur a2, fsr + movi a3, \sr + assert eq, a2, a3 +.endm + +test div_s + movi a2, 1 + wsr a2, cpenable + + test_op2 div_s, f0, f1, f2, 0x40000000, 0x40400000, \ + 0x3f2aaaab, 0x3f2aaaaa, 0x3f2aaaab, 0x3f2aaaaa, \ + FSR_I, FSR_I, FSR_I, FSR_I + test_op2 div_s, f3, f4, f5, F32_1, F32_0, \ + F32_PINF, F32_PINF, F32_PINF, F32_PINF, \ + FSR_Z, FSR_Z, FSR_Z, FSR_Z + test_op2 div_s, f6, f7, f8, F32_0, F32_0, \ + F32_DNAN, F32_DNAN, F32_DNAN, F32_DNAN, \ + FSR_V, FSR_V, FSR_V, FSR_V + + /* MAX_FLOAT / 0.5 = +inf/MAX_FLOAT */ + test_op2 div_s, f0, f1, f2, F32_MAX, F32_0_5, \ + F32_PINF, F32_MAX, F32_PINF, F32_MAX, \ + FSR_OI, FSR_OI, FSR_OI, FSR_OI + + /* 0.5 / MAX_FLOAT = denorm */ + test_op2 div_s, f0, f1, f2, F32_0_5, F32_MAX, \ + 0x00100000, 0x00100000, 0x00100001, 0x00100000, \ + FSR_UI, FSR_UI, FSR_UI, FSR_UI +test_end + +#endif + +test_suite_end |