strict-aliasing

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c++ strict aliasing problem --- driving me crazy

Okay... I\'m getting kind of desperate trying to get this code to work with strict aliasing turned on (and -O3).[详细]

2023-04-02 16:03 分类：问答
SSE data types and primitives

In most tutorials or code snippets on the net one sees the following: float *arr= (float*) _aligned_malloc(length * sizeof(float), 16);[详细]

2023-03-27 13:06 分类：问答
Why does boost::optional fail for classes inheriting virtual functions

boost::optional<> works perfect for simple data types but as soon as used for a class inheriting from a class implementing an interface it fails when strict aliasing is enabled.[详细]

2023-03-14 18:12 分类：问答
Type aliasing and dynamically allocated arrays

I\'m trying to facilitate automatic vectorization by the compiler in the blitz++ array library. For this reason, I\'d like to present a view of the array data that is in chunks of fixed-length vectors[详细]

2023-03-07 17:54 分类：问答
Does a simple cast to perform a raw copy of a variable break strict aliasing?

I\'ve been reading about strict aliasing quite a lot lately. The C/C++ standards say that the following code is invalid (undefined behavior to be correct), since the compiler might have the value of a[详细]

2023-02-12 00:49 分类：问答
float bits and strict aliasing

I am trying to extract the bits from a float without invoking undefined behavior. Here is my first attempt:[详细]

2023-01-28 01:59 分类：问答
Simple storage class in C++ and strict aliasing

I have the following code for having a small class for storage. #include <iostream> template<typename T>[详细]

2023-01-25 01:58 分类：问答
Is unsigned char a[4][5]; a[1][7]; undefined behavior?

One of the examples of undefined behavior from the C standard reads (J.2): — An array subscript is out of range, even if an object is apparently accessible with the[详细]

2023-01-17 14:52 分类：问答
boost::bind breaks strict-aliasing rules?

Using Boost 1.43 and GCC 4.4.3, the following code boost::bind(&SomeObject::m开发者_Go百科emberFunc, this, _1));[详细]

2023-01-03 23:33 分类：问答
gcc, strict-aliasing, and horror stories [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this[详细]

2023-01-02 04:49 分类：问答