core/stdarch/crates/core_arch/src/x86/
sse3.rs
1use crate::core_arch::{simd::*, x86::*};
4use crate::intrinsics::simd::*;
5
6#[cfg(test)]
7use stdarch_test::assert_instr;
8
9#[inline]
14#[target_feature(enable = "sse3")]
15#[cfg_attr(test, assert_instr(addsubps))]
16#[stable(feature = "simd_x86", since = "1.27.0")]
17pub unsafe fn _mm_addsub_ps(a: __m128, b: __m128) -> __m128 {
18 let a = a.as_f32x4();
19 let b = b.as_f32x4();
20 let add = simd_add(a, b);
21 let sub = simd_sub(a, b);
22 simd_shuffle!(add, sub, [4, 1, 6, 3])
23}
24
25#[inline]
30#[target_feature(enable = "sse3")]
31#[cfg_attr(test, assert_instr(addsubpd))]
32#[stable(feature = "simd_x86", since = "1.27.0")]
33pub unsafe fn _mm_addsub_pd(a: __m128d, b: __m128d) -> __m128d {
34 let a = a.as_f64x2();
35 let b = b.as_f64x2();
36 let add = simd_add(a, b);
37 let sub = simd_sub(a, b);
38 simd_shuffle!(add, sub, [2, 1])
39}
40
41#[inline]
46#[target_feature(enable = "sse3")]
47#[cfg_attr(test, assert_instr(haddpd))]
48#[stable(feature = "simd_x86", since = "1.27.0")]
49pub unsafe fn _mm_hadd_pd(a: __m128d, b: __m128d) -> __m128d {
50 haddpd(a, b)
51}
52
53#[inline]
58#[target_feature(enable = "sse3")]
59#[cfg_attr(test, assert_instr(haddps))]
60#[stable(feature = "simd_x86", since = "1.27.0")]
61pub unsafe fn _mm_hadd_ps(a: __m128, b: __m128) -> __m128 {
62 haddps(a, b)
63}
64
65#[inline]
70#[target_feature(enable = "sse3")]
71#[cfg_attr(test, assert_instr(hsubpd))]
72#[stable(feature = "simd_x86", since = "1.27.0")]
73pub unsafe fn _mm_hsub_pd(a: __m128d, b: __m128d) -> __m128d {
74 hsubpd(a, b)
75}
76
77#[inline]
82#[target_feature(enable = "sse3")]
83#[cfg_attr(test, assert_instr(hsubps))]
84#[stable(feature = "simd_x86", since = "1.27.0")]
85pub unsafe fn _mm_hsub_ps(a: __m128, b: __m128) -> __m128 {
86 hsubps(a, b)
87}
88
89#[inline]
95#[target_feature(enable = "sse3")]
96#[cfg_attr(test, assert_instr(lddqu))]
97#[stable(feature = "simd_x86", since = "1.27.0")]
98pub unsafe fn _mm_lddqu_si128(mem_addr: *const __m128i) -> __m128i {
99 transmute(lddqu(mem_addr as *const _))
100}
101
102#[inline]
107#[target_feature(enable = "sse3")]
108#[cfg_attr(test, assert_instr(movddup))]
109#[stable(feature = "simd_x86", since = "1.27.0")]
110pub unsafe fn _mm_movedup_pd(a: __m128d) -> __m128d {
111 simd_shuffle!(a, a, [0, 0])
112}
113
114#[inline]
119#[target_feature(enable = "sse3")]
120#[cfg_attr(test, assert_instr(movddup))]
121#[stable(feature = "simd_x86", since = "1.27.0")]
122pub unsafe fn _mm_loaddup_pd(mem_addr: *const f64) -> __m128d {
123 _mm_load1_pd(mem_addr)
124}
125
126#[inline]
131#[target_feature(enable = "sse3")]
132#[cfg_attr(test, assert_instr(movshdup))]
133#[stable(feature = "simd_x86", since = "1.27.0")]
134pub unsafe fn _mm_movehdup_ps(a: __m128) -> __m128 {
135 simd_shuffle!(a, a, [1, 1, 3, 3])
136}
137
138#[inline]
143#[target_feature(enable = "sse3")]
144#[cfg_attr(test, assert_instr(movsldup))]
145#[stable(feature = "simd_x86", since = "1.27.0")]
146pub unsafe fn _mm_moveldup_ps(a: __m128) -> __m128 {
147 simd_shuffle!(a, a, [0, 0, 2, 2])
148}
149
150#[allow(improper_ctypes)]
151extern "C" {
152 #[link_name = "llvm.x86.sse3.hadd.pd"]
153 fn haddpd(a: __m128d, b: __m128d) -> __m128d;
154 #[link_name = "llvm.x86.sse3.hadd.ps"]
155 fn haddps(a: __m128, b: __m128) -> __m128;
156 #[link_name = "llvm.x86.sse3.hsub.pd"]
157 fn hsubpd(a: __m128d, b: __m128d) -> __m128d;
158 #[link_name = "llvm.x86.sse3.hsub.ps"]
159 fn hsubps(a: __m128, b: __m128) -> __m128;
160 #[link_name = "llvm.x86.sse3.ldu.dq"]
161 fn lddqu(mem_addr: *const i8) -> i8x16;
162}
163
164#[cfg(test)]
165mod tests {
166 use stdarch_test::simd_test;
167
168 use crate::core_arch::x86::*;
169
170 #[simd_test(enable = "sse3")]
171 unsafe fn test_mm_addsub_ps() {
172 let a = _mm_setr_ps(-1.0, 5.0, 0.0, -10.0);
173 let b = _mm_setr_ps(-100.0, 20.0, 0.0, -5.0);
174 let r = _mm_addsub_ps(a, b);
175 assert_eq_m128(r, _mm_setr_ps(99.0, 25.0, 0.0, -15.0));
176 }
177
178 #[simd_test(enable = "sse3")]
179 unsafe fn test_mm_addsub_pd() {
180 let a = _mm_setr_pd(-1.0, 5.0);
181 let b = _mm_setr_pd(-100.0, 20.0);
182 let r = _mm_addsub_pd(a, b);
183 assert_eq_m128d(r, _mm_setr_pd(99.0, 25.0));
184 }
185
186 #[simd_test(enable = "sse3")]
187 unsafe fn test_mm_hadd_pd() {
188 let a = _mm_setr_pd(-1.0, 5.0);
189 let b = _mm_setr_pd(-100.0, 20.0);
190 let r = _mm_hadd_pd(a, b);
191 assert_eq_m128d(r, _mm_setr_pd(4.0, -80.0));
192 }
193
194 #[simd_test(enable = "sse3")]
195 unsafe fn test_mm_hadd_ps() {
196 let a = _mm_setr_ps(-1.0, 5.0, 0.0, -10.0);
197 let b = _mm_setr_ps(-100.0, 20.0, 0.0, -5.0);
198 let r = _mm_hadd_ps(a, b);
199 assert_eq_m128(r, _mm_setr_ps(4.0, -10.0, -80.0, -5.0));
200 }
201
202 #[simd_test(enable = "sse3")]
203 unsafe fn test_mm_hsub_pd() {
204 let a = _mm_setr_pd(-1.0, 5.0);
205 let b = _mm_setr_pd(-100.0, 20.0);
206 let r = _mm_hsub_pd(a, b);
207 assert_eq_m128d(r, _mm_setr_pd(-6.0, -120.0));
208 }
209
210 #[simd_test(enable = "sse3")]
211 unsafe fn test_mm_hsub_ps() {
212 let a = _mm_setr_ps(-1.0, 5.0, 0.0, -10.0);
213 let b = _mm_setr_ps(-100.0, 20.0, 0.0, -5.0);
214 let r = _mm_hsub_ps(a, b);
215 assert_eq_m128(r, _mm_setr_ps(-6.0, 10.0, -120.0, 5.0));
216 }
217
218 #[simd_test(enable = "sse3")]
219 unsafe fn test_mm_lddqu_si128() {
220 #[rustfmt::skip]
221 let a = _mm_setr_epi8(
222 1, 2, 3, 4,
223 5, 6, 7, 8,
224 9, 10, 11, 12,
225 13, 14, 15, 16,
226 );
227 let r = _mm_lddqu_si128(&a);
228 assert_eq_m128i(a, r);
229 }
230
231 #[simd_test(enable = "sse3")]
232 unsafe fn test_mm_movedup_pd() {
233 let a = _mm_setr_pd(-1.0, 5.0);
234 let r = _mm_movedup_pd(a);
235 assert_eq_m128d(r, _mm_setr_pd(-1.0, -1.0));
236 }
237
238 #[simd_test(enable = "sse3")]
239 unsafe fn test_mm_movehdup_ps() {
240 let a = _mm_setr_ps(-1.0, 5.0, 0.0, -10.0);
241 let r = _mm_movehdup_ps(a);
242 assert_eq_m128(r, _mm_setr_ps(5.0, 5.0, -10.0, -10.0));
243 }
244
245 #[simd_test(enable = "sse3")]
246 unsafe fn test_mm_moveldup_ps() {
247 let a = _mm_setr_ps(-1.0, 5.0, 0.0, -10.0);
248 let r = _mm_moveldup_ps(a);
249 assert_eq_m128(r, _mm_setr_ps(-1.0, -1.0, 0.0, 0.0));
250 }
251
252 #[simd_test(enable = "sse3")]
253 unsafe fn test_mm_loaddup_pd() {
254 let d = -5.0;
255 let r = _mm_loaddup_pd(&d);
256 assert_eq_m128d(r, _mm_setr_pd(d, d));
257 }
258}