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41 lines
2.2 KiB
Diff
41 lines
2.2 KiB
Diff
From 05224d69c81baa9861724890e33f75c26519484f Mon Sep 17 00:00:00 2001
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From: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
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Date: Wed, 9 Nov 2022 22:44:41 +0100
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Subject: [PATCH] core/tensor.cpp: fix uninitialized variable
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Fixes compilation with modern GCC:
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In file included from /usr/arm-none-eabi/include/c++/12.2.0/vector:64,
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from /home/maribu/Repos/software/RIOT/build/pkg/utensor/src/uTensor/util/uTensor_util.hpp:6,
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from /home/maribu/Repos/software/RIOT/build/pkg/utensor/src/uTensor/core/tensor.hpp:4,
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from /home/maribu/Repos/software/RIOT/build/pkg/utensor/src/uTensor/core/tensor.cpp:1:
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In member function 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](size_type) [with _Tp = long unsigned int; _Alloc = std::allocator<long unsigned int>]',
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inlined from 'size_t broadcastIndexTransform::operator[](size_t)' at /home/maribu/Repos/software/RIOT/build/pkg/utensor/src/uTensor/core/tensor.cpp:287:39:
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/usr/arm-none-eabi/include/c++/12.2.0/bits/stl_vector.h:1124:41: error: 's_dim' may be used uninitialized [-Werror=maybe-uninitialized]
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1124 | return *(this->_M_impl._M_start + __n);
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| ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
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/home/maribu/Repos/software/RIOT/build/pkg/utensor/src/uTensor/core/tensor.cpp: In member function 'size_t broadcastIndexTransform::operator[](size_t)':
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/home/maribu/Repos/software/RIOT/build/pkg/utensor/src/uTensor/core/tensor.cpp:272:12: note: 's_dim' was declared here
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272 | size_t s_dim;
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| ^~~~~
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---
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src/uTensor/core/tensor.cpp | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/uTensor/core/tensor.cpp b/src/uTensor/core/tensor.cpp
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index 0e3c275..55c0583 100644
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--- a/src/uTensor/core/tensor.cpp
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+++ b/src/uTensor/core/tensor.cpp
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@@ -269,7 +269,7 @@ size_t broadcastIndexTransform::operator[](const size_t linear_index) {
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size_t out_index = 0;
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size_t rem = linear_index;
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const size_t d_dim = l_shape.size() - s_shape.size();
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- size_t s_dim;
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+ size_t s_dim = 0;
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for (size_t curr_dim = 0; curr_dim < l_shape.size(); curr_dim++) {
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size_t curr_stride = l_stride[curr_dim];
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--
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2.38.1
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