1 //! Vertical floating-point `exp`
2 #![allow(unused)]
3 
4 // FIXME 64-bit expgle elem vectors misexpg
5 
6 use crate::*;
7 
8 crate trait Exp {
exp(self) -> Self9     fn exp(self) -> Self;
10 }
11 
12 #[allow(improper_ctypes)]
13 extern "C" {
14     #[link_name = "llvm.exp.v2f32"]
exp_v2f32(x: f32x2) -> f32x215     fn exp_v2f32(x: f32x2) -> f32x2;
16     #[link_name = "llvm.exp.v4f32"]
exp_v4f32(x: f32x4) -> f32x417     fn exp_v4f32(x: f32x4) -> f32x4;
18     #[link_name = "llvm.exp.v8f32"]
exp_v8f32(x: f32x8) -> f32x819     fn exp_v8f32(x: f32x8) -> f32x8;
20     #[link_name = "llvm.exp.v16f32"]
exp_v16f32(x: f32x16) -> f32x1621     fn exp_v16f32(x: f32x16) -> f32x16;
22     /* FIXME 64-bit expgle elem vectors
23     #[link_name = "llvm.exp.v1f64"]
24     fn exp_v1f64(x: f64x1) -> f64x1;
25      */
26     #[link_name = "llvm.exp.v2f64"]
exp_v2f64(x: f64x2) -> f64x227     fn exp_v2f64(x: f64x2) -> f64x2;
28     #[link_name = "llvm.exp.v4f64"]
exp_v4f64(x: f64x4) -> f64x429     fn exp_v4f64(x: f64x4) -> f64x4;
30     #[link_name = "llvm.exp.v8f64"]
exp_v8f64(x: f64x8) -> f64x831     fn exp_v8f64(x: f64x8) -> f64x8;
32 
33     #[link_name = "llvm.exp.f32"]
exp_f32(x: f32) -> f3234     fn exp_f32(x: f32) -> f32;
35     #[link_name = "llvm.exp.f64"]
exp_f64(x: f64) -> f6436     fn exp_f64(x: f64) -> f64;
37 }
38 
39 gen_unary_impl_table!(Exp, exp);
40 
41 cfg_if! {
42     if #[cfg(target_arch = "s390x")] {
43         // FIXME: https://github.com/rust-lang-nursery/packed_simd/issues/14
44         impl_unary!(f32x2[f32; 2]: exp_f32);
45         impl_unary!(f32x4[f32; 4]: exp_f32);
46         impl_unary!(f32x8[f32; 8]: exp_f32);
47         impl_unary!(f32x16[f32; 16]: exp_f32);
48 
49         impl_unary!(f64x2[f64; 2]: exp_f64);
50         impl_unary!(f64x4[f64; 4]: exp_f64);
51         impl_unary!(f64x8[f64; 8]: exp_f64);
52     } else if #[cfg(all(target_arch = "x86_64", feature = "sleef-sys"))] {
53         use sleef_sys::*;
54         cfg_if! {
55             if #[cfg(target_feature = "avx2")] {
56                 impl_unary!(f32x2[t => f32x4]: Sleef_expf4_u10avx2128);
57                 impl_unary!(f32x16[h => f32x8]: Sleef_expf8_u10avx2);
58                 impl_unary!(f64x8[h => f64x4]: Sleef_expd4_u10avx2);
59 
60                 impl_unary!(f32x4: Sleef_expf4_u10avx2128);
61                 impl_unary!(f32x8: Sleef_expf8_u10avx2);
62                 impl_unary!(f64x2: Sleef_expd2_u10avx2128);
63                 impl_unary!(f64x4: Sleef_expd4_u10avx2);
64             } else if #[cfg(target_feature = "avx")] {
65                 impl_unary!(f32x2[t => f32x4]: Sleef_expf4_u10sse4);
66                 impl_unary!(f32x16[h => f32x8]: Sleef_expf8_u10avx);
67                 impl_unary!(f64x8[h => f64x4]: Sleef_expd4_u10avx);
68 
69                 impl_unary!(f32x4: Sleef_expf4_u10sse4);
70                 impl_unary!(f32x8: Sleef_expf8_u10avx);
71                 impl_unary!(f64x2: Sleef_expd2_u10sse4);
72                 impl_unary!(f64x4: Sleef_expd4_u10avx);
73             } else if #[cfg(target_feature = "sse4.2")] {
74                 impl_unary!(f32x2[t => f32x4]: Sleef_expf4_u10sse4);
75                 impl_unary!(f32x16[q => f32x4]: Sleef_expf4_u10sse4);
76                 impl_unary!(f64x8[q => f64x2]: Sleef_expd2_u10sse4);
77 
78                 impl_unary!(f32x4: Sleef_expf4_u10sse4);
79                 impl_unary!(f32x8[h => f32x4]: Sleef_expf4_u10sse4);
80                 impl_unary!(f64x2: Sleef_expd2_u10sse4);
81                 impl_unary!(f64x4[h => f64x2]: Sleef_expd2_u10sse4);
82             } else if #[cfg(target_feature = "sse2")] {
83                 impl_unary!(f32x2[t => f32x4]: Sleef_expf4_u10sse2);
84                 impl_unary!(f32x16[q => f32x4]: Sleef_expf4_u10sse2);
85                 impl_unary!(f64x8[q => f64x2]: Sleef_expd2_u10sse2);
86 
87                 impl_unary!(f32x4: Sleef_expf4_u10sse2);
88                 impl_unary!(f32x8[h => f32x4]: Sleef_expf4_u10sse2);
89                 impl_unary!(f64x2: Sleef_expd2_u10sse2);
90                 impl_unary!(f64x4[h => f64x2]: Sleef_expd2_u10sse2);
91             } else {
92                 impl_unary!(f32x2[f32; 2]: exp_f32);
93                 impl_unary!(f32x16: exp_v16f32);
94                 impl_unary!(f64x8: exp_v8f64);
95 
96                 impl_unary!(f32x4: exp_v4f32);
97                 impl_unary!(f32x8: exp_v8f32);
98                 impl_unary!(f64x2: exp_v2f64);
99                 impl_unary!(f64x4: exp_v4f64);
100             }
101         }
102     } else {
103         impl_unary!(f32x2[f32; 2]: exp_f32);
104         impl_unary!(f32x4: exp_v4f32);
105         impl_unary!(f32x8: exp_v8f32);
106         impl_unary!(f32x16: exp_v16f32);
107 
108         impl_unary!(f64x2: exp_v2f64);
109         impl_unary!(f64x4: exp_v4f64);
110         impl_unary!(f64x8: exp_v8f64);
111     }
112 }
113