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| author | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | 2023-07-07 00:57:30 +0000 |
|---|---|---|
| committer | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | 2023-07-07 00:57:30 +0000 |
| commit | 0edd6499aaed16bf45de92bb0ad1c729486ce6f4 (patch) | |
| tree | b6182e391304fb3a42c51d482dcf671f540f2363 /math/v_cos.c | |
| parent | f2e7d2de0fe4c2bddb59992ba401391f38627a1e (diff) | |
| parent | 172d24a7ae67ee7bae413d5a8618f1b5edc002be (diff) | |
| download | arm-optimized-routines-0edd6499aaed16bf45de92bb0ad1c729486ce6f4.tar.gz | |
Snap for 10447354 from 172d24a7ae67ee7bae413d5a8618f1b5edc002be to mainline-cellbroadcast-releaseaml_cbr_341710000aml_cbr_341610000aml_cbr_341510010aml_cbr_341410010aml_cbr_341311010aml_cbr_341110000aml_cbr_341011000aml_cbr_340914000android14-mainline-cellbroadcast-release
Change-Id: I8753ae14d61308952964b5f87c7e48044f60727c
Diffstat (limited to 'math/v_cos.c')
| -rw-r--r-- | math/v_cos.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/math/v_cos.c b/math/v_cos.c index 20ba6bd..4c8787e 100644 --- a/math/v_cos.c +++ b/math/v_cos.c @@ -1,8 +1,8 @@ /* * Double-precision vector cos function. * - * Copyright (c) 2019, Arm Limited. - * SPDX-License-Identifier: MIT + * Copyright (c) 2019-2022, Arm Limited. + * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception */ #include "mathlib.h" @@ -55,6 +55,14 @@ V_NAME(cos) (v_f64_t x) r = v_as_f64_u64 (v_as_u64_f64 (x) & AbsMask); cmp = v_cond_u64 (v_as_u64_f64 (r) >= v_as_u64_f64 (RangeVal)); +#if WANT_SIMD_EXCEPT + if (unlikely (v_any_u64 (cmp))) + /* If fenv exceptions are to be triggered correctly, set any special lanes + to 1 (which is neutral w.r.t. fenv). These lanes will be fixed by + specialcase later. */ + r = v_sel_f64 (cmp, v_f64 (1.0), r); +#endif + /* n = rint((|x|+pi/2)/pi) - 0.5. */ n = v_fma_f64 (InvPi, r + HalfPi, Shift); odd = v_as_u64_f64 (n) << 63; |