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-rw-r--r--vendor/packed_simd_2/src/codegen/reductions/mask/x86/sse2.rs70
1 files changed, 70 insertions, 0 deletions
diff --git a/vendor/packed_simd_2/src/codegen/reductions/mask/x86/sse2.rs b/vendor/packed_simd_2/src/codegen/reductions/mask/x86/sse2.rs
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index 000000000..a99c606f5
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+++ b/vendor/packed_simd_2/src/codegen/reductions/mask/x86/sse2.rs
@@ -0,0 +1,70 @@
+//! Mask reductions implementation for `x86` and `x86_64` targets with `SSE2`.
+#![allow(unused)]
+
+/// `x86`/`x86_64` 128-bit m64x2 `SSE2` implementation
+macro_rules! x86_m64x2_sse2_impl {
+ ($id:ident) => {
+ impl All for $id {
+ #[inline]
+ #[target_feature(enable = "sse")]
+ unsafe fn all(self) -> bool {
+ #[cfg(target_arch = "x86")]
+ use crate::arch::x86::_mm_movemask_pd;
+ #[cfg(target_arch = "x86_64")]
+ use crate::arch::x86_64::_mm_movemask_pd;
+ // _mm_movemask_pd(a) creates a 2bit mask containing the
+ // most significant bit of each lane of `a`. If all
+ // bits are set, then all 2 lanes of the mask are
+ // true.
+ _mm_movemask_pd(crate::mem::transmute(self))
+ == 0b_11_i32
+ }
+ }
+ impl Any for $id {
+ #[inline]
+ #[target_feature(enable = "sse")]
+ unsafe fn any(self) -> bool {
+ #[cfg(target_arch = "x86")]
+ use crate::arch::x86::_mm_movemask_pd;
+ #[cfg(target_arch = "x86_64")]
+ use crate::arch::x86_64::_mm_movemask_pd;
+
+ _mm_movemask_pd(crate::mem::transmute(self)) != 0
+ }
+ }
+ };
+}
+
+/// `x86`/`x86_64` 128-bit m8x16 `SSE2` implementation
+macro_rules! x86_m8x16_sse2_impl {
+ ($id:ident) => {
+ impl All for $id {
+ #[inline]
+ #[target_feature(enable = "sse2")]
+ unsafe fn all(self) -> bool {
+ #[cfg(target_arch = "x86")]
+ use crate::arch::x86::_mm_movemask_epi8;
+ #[cfg(target_arch = "x86_64")]
+ use crate::arch::x86_64::_mm_movemask_epi8;
+ // _mm_movemask_epi8(a) creates a 16bit mask containing the
+ // most significant bit of each byte of `a`. If all
+ // bits are set, then all 16 lanes of the mask are
+ // true.
+ _mm_movemask_epi8(crate::mem::transmute(self))
+ == i32::from(u16::max_value())
+ }
+ }
+ impl Any for $id {
+ #[inline]
+ #[target_feature(enable = "sse2")]
+ unsafe fn any(self) -> bool {
+ #[cfg(target_arch = "x86")]
+ use crate::arch::x86::_mm_movemask_epi8;
+ #[cfg(target_arch = "x86_64")]
+ use crate::arch::x86_64::_mm_movemask_epi8;
+
+ _mm_movemask_epi8(crate::mem::transmute(self)) != 0
+ }
+ }
+ };
+}