WebOh, I should point out that that clause is specifically for GNU C90. (Put simply, GCC's own pre-C99 version of inline was... odd.). For (GNU or standard) C99 or later, inline without … WebNov 9, 2024 · Solution 1. You can use __attribute__ ( (used)) gcc (also works in clang) specific (I see that the question is tagged gcc) attributes for this: This attribute, attached to a function, means that code must be emitted for the function even if it appears that the function is not referenced. This is useful, for example, when the function is ...
How do I force gcc to inline a function? - Stack Overflow
WebTo prevent unreachable code from being added to the final executable if all uses of a function were inlined, ... gcc cannot inline functions if. they are variadic, use alloca; use computed goto; use nonlocal goto; use nested functions; ... "A function declared with an inline function specifier is an inline function. [ . . . ] Making a function ... Web1 day ago · Control inlining with gcc. I have multiple small functions marked inline that accept an array of avx intrinsic registers as parameters. When i compile using clang-15 the generated assembly is clean. (I use -save-temps to explore assembly) When i compile using gcc-12 the performance is ~10x worse if using -O3 and ~4x worse if using -O2. red bcbg jumpsuit
Optimize Options (Using the GNU Compiler Collection (GCC))
WebApr 25, 2024 · This extra code is a waste because there's no need to debug such operations. Therefore, GCC 12 elides calls to certain trivial inline functions (such as … WebJun 20, 2011 · GCC interprets the inline keyword as a mere hint. There is no guarantee thet the function will actually be inlined. To have GCC inline your function regardless of … WebFor functions declared inline, this attribute inlines the function even if no optimization level was specified. gnu_inline This attribute should be used with a function which is also … red bazil