Mercurial > vec
diff test/test_shift.h @ 18:cf04071d2148
impl: initial NEON support; test: verify bit shifting functions
| author | Paper <paper@tflc.us> |
|---|---|
| date | Wed, 20 Nov 2024 14:33:19 -0500 |
| parents | |
| children | e26874655738 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/test_shift.h Wed Nov 20 14:33:19 2024 -0500 @@ -0,0 +1,15 @@ +static int test_shift(void) +{ + int ret = 0; + + ret |= (vec_ulrshift(0xFFFFFFFF, 16) != 0xFFFF); + ret |= (vec_ullshift(0xFFFF, 16) != 0xFFFF0000); + ret |= (vec_lrshift(0xFFFFFFFF, 16) != 0xFFFF); + ret |= (vec_llshift(0xFFFF, 16) != 0xFFFF0000); + ret |= (vec_urshift(0xFFFFFFFF, 16) != 0xFFFF); + ret |= (vec_ulshift(0xFFFF, 16) != 0xFFFF0000); + ret |= (vec_rshift(-0xFFFF, 8) != -0x100); + ret |= (vec_lshift(-0xFFFF, 8) != -0xFFFF00); + + return ret; +}