[cfe-dev] problem: address space attribute C/C++

Helge Rhodin helge.rhodin at alice-dsl.net
Fri Jul 23 09:04:49 PDT 2010


I have a problem with clang and the address space attribute. I don't know if it is intended or a bug. The following code compiles fine as a .c file but fails as .cpp:

int __attribute__((address_space(1))) globalint = 10;

@globalint = addrspace(1) global i32 10, align 4  ; <i32 addrspace(1)*> [#uses=0]

Error in clangtest.cpp:
clangtest.cpp:2:39: error: cannot initialize a variable of type 'int
      __attribute__((address_space(1)))' with an rvalue of type 'int'
int __attribute__((address_space(1))) globalint = 10;
                                      ^           ~~
1 error generated.

I have additional problems with classes. In which cases are none zero address spaces supported, is there a documentation around?

thanks in advance,
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