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...obeynikov.info > wrote: > > How do I disable that feature? I've tried -fno-builtin and/or > -ffreestanding > > with no success. > clang (as well as gcc) requires that freestanding environment provides > memcpy, memmove, memset and memcmp. > > PS: Consider emailing cfedev, not llvmdev. > Hi, Thanks. I've emailed cfe-dev. We absolutely need clang/llvm to not insert the calls into our code. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20120529/b2f95d99/attachment.html&...

...isable that feature? I've tried -fno-builtin and/or >>> -ffreestanding >>> > with no success. >>> clang (as well as gcc) requires that freestanding environment provides >>> memcpy, memmove, memset and memcmp. >>> >>> PS: Consider emailing cfedev, not llvmdev. >>> >> >> Hi, >> >> Thanks. I've emailed cfe-dev. >> We absolutely need clang/llvm to not insert the calls into our code. >> > > This really isn't possible. > > The C++ standard essentially requires the compiler to inser...

...and/or >>>>> -ffreestanding >>>>> > with no success. >>>>> clang (as well as gcc) requires that freestanding environment provides >>>>> memcpy, memmove, memset and memcmp. >>>>> >>>>> PS: Consider emailing cfedev, not llvmdev. >>>>> >>>> >>>> Hi, >>>> >>>> Thanks. I've emailed cfe-dev. >>>> We absolutely need clang/llvm to not insert the calls into our code. >>>> >>> >>> This really isn't possibl...

Hi, I have the following program: // test.c #include <stdlib.h> struct foo_t { int x[1024]; }; __thread struct foo_t g_foo; void bar(struct foo_t* foo) { g_foo = *foo; } int main() { struct foo_t* f = (struct foo_t*)malloc(sizeof(struct foo_t)); bar(f); return 0; } When I compile it with clang I see that it inserts memcpy() in function bar(): $ clang -v clang version 3.2 (trunk

> How do I disable that feature? I've tried -fno-builtin and/or -ffreestanding > with no success. clang (as well as gcc) requires that freestanding environment provides memcpy, memmove, memset and memcmp. PS: Consider emailing cfedev, not llvmdev. -- With best regards, Anton Korobeynikov Faculty of Mathematics and Mechanics, Saint Petersburg State University

...>> > How do I disable that feature? I've tried -fno-builtin and/or >> -ffreestanding >> > with no success. >> clang (as well as gcc) requires that freestanding environment provides >> memcpy, memmove, memset and memcmp. >> >> PS: Consider emailing cfedev, not llvmdev. >> > > Hi, > > Thanks. I've emailed cfe-dev. > We absolutely need clang/llvm to not insert the calls into our code. > This really isn't possible. The C++ standard essentially requires the compiler to insert calls to memcpy for certain code patterns....

...>> -ffreestanding >>>>>> > with no success. >>>>>> clang (as well as gcc) requires that freestanding environment provides >>>>>> memcpy, memmove, memset and memcmp. >>>>>> >>>>>> PS: Consider emailing cfedev, not llvmdev. >>>>>> >>>>> >>>>> Hi, >>>>> >>>>> Thanks. I've emailed cfe-dev. >>>>> We absolutely need clang/llvm to not insert the calls into our code. >>>>> >>>> >>&g...

...gt; > with no success. >>>>>>> clang (as well as gcc) requires that freestanding environment >>>>>>> provides >>>>>>> memcpy, memmove, memset and memcmp. >>>>>>> >>>>>>> PS: Consider emailing cfedev, not llvmdev. >>>>>> >>>>>> >>>>>> Hi, >>>>>> >>>>>> Thanks. I've emailed cfe-dev. >>>>>> We absolutely need clang/llvm to not insert the calls into our code. >>>>> >&gt...

...39;ve tried -fno-builtin and/or >>>> -ffreestanding >>>> > with no success. >>>> clang (as well as gcc) requires that freestanding environment provides >>>> memcpy, memmove, memset and memcmp. >>>> >>>> PS: Consider emailing cfedev, not llvmdev. >>>> >>> >>> Hi, >>> >>> Thanks. I've emailed cfe-dev. >>> We absolutely need clang/llvm to not insert the calls into our code. >>> >> >> This really isn't possible. >> >> The C++ standar...

...> >>>>>>> clang (as well as gcc) requires that freestanding environment > >>>>>>> provides > >>>>>>> memcpy, memmove, memset and memcmp. > >>>>>>> > >>>>>>> PS: Consider emailing cfedev, not llvmdev. > >>>>>> > >>>>>> > >>>>>> Hi, > >>>>>> > >>>>>> Thanks. I've emailed cfe-dev. > >>>>>> We absolutely need clang/llvm to not insert the calls into our code...

...gt; > with no success. >>>>>>> clang (as well as gcc) requires that freestanding environment >>>>>>> provides >>>>>>> memcpy, memmove, memset and memcmp. >>>>>>> >>>>>>> PS: Consider emailing cfedev, not llvmdev. >>>>>>> >>>>>> >>>>>> Hi, >>>>>> >>>>>> Thanks. I've emailed cfe-dev. >>>>>> We absolutely need clang/llvm to not insert the calls into our code. >>>>>>...