From 7ac1274e2c5a14402992926839ff967662ad53b9 Mon Sep 17 00:00:00 2001
From: Evy Garden <evysgarden@protonmail.com>
Date: Wed, 5 Oct 2022 14:32:38 +0200
Subject: [PATCH] updated intrinsics
---
src/pew/vector/intrinsic.hpp | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/src/pew/vector/intrinsic.hpp b/src/pew/vector/intrinsic.hpp
index 8891a75..43c0dd3 100644
--- a/src/pew/vector/intrinsic.hpp
+++ b/src/pew/vector/intrinsic.hpp
@@ -1,6 +1,7 @@
#ifndef PEW_INTRINSIC
#define PEW_INTRINSIC
+#include <cstdint>
#include <emmintrin.h>
#include <immintrin.h>
#include <smmintrin.h>
@@ -8,6 +9,7 @@
#include <xmmintrin.h>
namespace pew {
+ using imm = uint8_t;
template<typename T>
struct intrinsic;
@@ -187,11 +189,10 @@ namespace pew {
return _mm_sub_ps(left, right);
}
- inline static float
+ template<imm mask = 0xff>
+ inline static auto
dot(const type& left, const type& right) {
- alignas(alignment) float arr[4];
- store(arr, mul(left, right));
- return arr[0] + arr[1] + arr[2];
+ return _mm_dp_ps(left, right, mask);
}
inline static auto
@@ -200,10 +201,9 @@ namespace pew {
}
inline static auto
- abs(const type& abs) {
- alignas(alignment) float arr[4];
- store(arr, abs);
- return set(std::abs(arr[0]), std::abs(arr[1]), std::abs(arr[2]));
+ abs(const type& reg) {
+ auto mask = _mm_cmplt_ps(reg, set(0));
+ return _mm_blendv_ps(reg, sign(reg), mask);
}
};
} // namespace pew
--
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