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148 lines
2.5 KiB
148 lines
2.5 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* |
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* Copyright (C) IBM Corporation, 2012 |
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* |
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* Author: Anton Blanchard <[email protected]> |
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*/ |
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/* |
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* Sparse (as at v0.5.0) gets very, very confused by this file. |
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* Make it a bit simpler for it. |
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*/ |
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#if !defined(__CHECKER__) |
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#include <altivec.h> |
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#else |
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#define vec_xor(a, b) a ^ b |
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#define vector __attribute__((vector_size(16))) |
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#endif |
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#include "xor_vmx.h" |
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typedef vector signed char unative_t; |
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#define DEFINE(V) \ |
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unative_t *V = (unative_t *)V##_in; \ |
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unative_t V##_0, V##_1, V##_2, V##_3 |
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#define LOAD(V) \ |
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do { \ |
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V##_0 = V[0]; \ |
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V##_1 = V[1]; \ |
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V##_2 = V[2]; \ |
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V##_3 = V[3]; \ |
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} while (0) |
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#define STORE(V) \ |
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do { \ |
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V[0] = V##_0; \ |
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V[1] = V##_1; \ |
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V[2] = V##_2; \ |
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V[3] = V##_3; \ |
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} while (0) |
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#define XOR(V1, V2) \ |
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do { \ |
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V1##_0 = vec_xor(V1##_0, V2##_0); \ |
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V1##_1 = vec_xor(V1##_1, V2##_1); \ |
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V1##_2 = vec_xor(V1##_2, V2##_2); \ |
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V1##_3 = vec_xor(V1##_3, V2##_3); \ |
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} while (0) |
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void __xor_altivec_2(unsigned long bytes, unsigned long *v1_in, |
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unsigned long *v2_in) |
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{ |
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DEFINE(v1); |
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DEFINE(v2); |
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unsigned long lines = bytes / (sizeof(unative_t)) / 4; |
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do { |
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LOAD(v1); |
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LOAD(v2); |
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XOR(v1, v2); |
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STORE(v1); |
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v1 += 4; |
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v2 += 4; |
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} while (--lines > 0); |
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} |
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void __xor_altivec_3(unsigned long bytes, unsigned long *v1_in, |
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unsigned long *v2_in, unsigned long *v3_in) |
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{ |
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DEFINE(v1); |
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DEFINE(v2); |
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DEFINE(v3); |
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unsigned long lines = bytes / (sizeof(unative_t)) / 4; |
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do { |
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LOAD(v1); |
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LOAD(v2); |
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LOAD(v3); |
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XOR(v1, v2); |
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XOR(v1, v3); |
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STORE(v1); |
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v1 += 4; |
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v2 += 4; |
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v3 += 4; |
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} while (--lines > 0); |
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} |
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void __xor_altivec_4(unsigned long bytes, unsigned long *v1_in, |
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unsigned long *v2_in, unsigned long *v3_in, |
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unsigned long *v4_in) |
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{ |
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DEFINE(v1); |
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DEFINE(v2); |
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DEFINE(v3); |
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DEFINE(v4); |
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unsigned long lines = bytes / (sizeof(unative_t)) / 4; |
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do { |
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LOAD(v1); |
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LOAD(v2); |
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LOAD(v3); |
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LOAD(v4); |
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XOR(v1, v2); |
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XOR(v3, v4); |
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XOR(v1, v3); |
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STORE(v1); |
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v1 += 4; |
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v2 += 4; |
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v3 += 4; |
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v4 += 4; |
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} while (--lines > 0); |
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} |
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void __xor_altivec_5(unsigned long bytes, unsigned long *v1_in, |
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unsigned long *v2_in, unsigned long *v3_in, |
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unsigned long *v4_in, unsigned long *v5_in) |
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{ |
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DEFINE(v1); |
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DEFINE(v2); |
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DEFINE(v3); |
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DEFINE(v4); |
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DEFINE(v5); |
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unsigned long lines = bytes / (sizeof(unative_t)) / 4; |
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do { |
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LOAD(v1); |
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LOAD(v2); |
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LOAD(v3); |
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LOAD(v4); |
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LOAD(v5); |
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XOR(v1, v2); |
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XOR(v3, v4); |
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XOR(v1, v5); |
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XOR(v1, v3); |
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STORE(v1); |
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v1 += 4; |
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v2 += 4; |
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v3 += 4; |
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v4 += 4; |
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v5 += 4; |
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} while (--lines > 0); |
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}
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