Use of the restrict type qualifier with pointers voidfunc1(int* restrict a,int*restrict b) {/*func1's code here*/} In the example that follows, the restrict keyword is used to tell the compiler that the function func1 is never called with the pointers a and b pointing to objects that...
我试图让emacs在C中添加一些额外的关键字,特别是我添加了RESTRICT。'(("\\<\\(RESTRICT\\)\\>" . font-lock-keyword-face))) )) 然而,这(意料之中)只会导致emacs使用关键字-face对"RESTRICT“的实例进行着色"restrict“(小写)已经是emacs的C
I encountered the following question when using vector intrinsics (AVX), but the question probably also applies to sequential programming. It concerns the use of therestrictkeyword. The keyword is available in C99, but not in C++ (except for special keywords provided by most compilers)....
during the scope of that pointer declaration, all data accessed through it will be accessed only through that pointer but not through any other pointer. The 'restrict' keyword thus enables the compiler to perform
Now remove the restrict keyword from the function and check the assembly code generated by the compiler with the same configuration.void copyArray(int n, int *p, int *q) { while (n-- > 0) { *p++ = *q++; } }The compiler generates below assembly code without the restrict keyword. ...
另⼀个读者是⽤户，他告诉⽤户仅使⽤满⾜restrict要求的参数。⼀般，编译器⽆法检查您是否遵循了这⼀限制，如果您蔑视它也就是在让⾃⼰冒险。To help the compiler determine memory dependencies,you can qualify a pointer, reference, or array with the restrict keyword.The restrict keyword ...
void func1(int * restrict a, int * restrict b) { /* func1's code here */ } 1. 2. 3. 4. In the example that follows, the restrict keyword is used to tell the compiler that the function func1 is never called with the pointers a and b pointing ...
void func2(int c[restrict], int d[restrict]) { int i; for(i = 0; i < 64; i++) { c[i] += d[i]; d[i] += 1; } } This example illustrates using the restrict keyword when passing arrays to a function. Here, the arrays c and d should not overlap, nor should c and d...
keyword:以下项之一 auto break case char const continue default do double else enum extern float for goto if inline int long register restrict return short signed sizeof static struct switch typedef union unsigned void volatile while _Alignas _Alignof _Atomic _Bool _...
keyword:以下项之一 auto break case char const continue default do double else enum extern float for goto if inline int long register restrict return short signed sizeof static struct switch typedef union unsigned void volatile while _Alignas _Alignof _Atomic _Bool _...