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[FP16] Add end to end tests of all the F16x8 intrinisics. #22530

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merged 5 commits into from
Sep 23, 2024

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@brendandahl brendandahl commented Sep 6, 2024

A few todos:

  • enable liftoff when FP16 is fixed in V8
  • test missing instructions

A few todos:
 - test at other optimization levels
 - enable liftoff when FP16 is fixed in V8
 - test missing instructions
test/test_fp16.c Outdated
a = wasm_f16x8_nearest(wasm_f16x8_splat(1.5f));
assert_all_lanes_eq(a, 2.0f);

a = wasm_f16x8_eq(wasm_f16x8_splat(2.0f), wasm_f16x8_splat(3.0f));
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It may be worth covering all the interesting cases for the comparisons to ensure we are getting the right comparison at runtime.

})
def test_fp16(self, opts):
self.v8_args += ['--experimental-wasm-fp16']
# TODO Remove this. Liftoff is currently broken for this test.
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Out of curiosity, do you know what specifically is broken?

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@requires_v8
@parameterized({
'': [[]],
'O2': [['-O2']]
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Maybe -O3 for the most coverage?

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Do you recommend in addition to or in replace of O2?

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I would just replace it, as it's practically a superset of -O2.

@brendandahl brendandahl merged commit 04a72c2 into emscripten-core:main Sep 23, 2024
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3 participants