29 lines
1.1 KiB
Plaintext
29 lines
1.1 KiB
Plaintext
; Test the non-deterministic aspects of the SIMD arithmetic operations.
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; If you change this file, you should most likely update
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; simd-arithmetic-nondeterministic*.clif as well.
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test run
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set enable_simd
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target x86_64 skylake
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function %fmax_f64x2(f64x2, f64x2) -> f64x2 {
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block0(v0: f64x2, v1: f64x2):
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v2 = fmax v0, v1
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return v2
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}
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; note below how NaNs are quieted but (unlike fmin), retain their sign: this discrepancy is allowed by non-determinism
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; in the spec, see https://webassembly.github.io/spec/core/bikeshed/index.html#nan-propagation%E2%91%A0.
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; run: %fmax_f64x2([NaN:0x42 0.0], [0x1.0 0.0]) == [NaN 0.0]
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function %fmin_f64x2(f64x2, f64x2) -> f64x2 {
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block0(v0: f64x2, v1: f64x2):
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v2 = fmin v0, v1
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return v2
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}
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; note below how NaNs are quieted and negative: this is due to non-determinism in the spec for NaNs, see
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; https://webassembly.github.io/spec/core/bikeshed/index.html#nan-propagation%E2%91%A0.
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; run: %fmin_f64x2([-NaN 0x100.0], [0.0 NaN]) == [-NaN -NaN]
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; run: %fmin_f64x2([NaN 0.0], [0.0 0.0]) == [-NaN 0.0]
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; run: %fmin_f64x2([NaN:0x42 0.0], [0x1.0 0.0]) == [-NaN 0.0]
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