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test for restrict fails with MS compiler
From: |
Jerker Bäck |
Subject: |
test for restrict fails with MS compiler |
Date: |
Tue, 10 Jul 2007 15:28:33 +0200 |
The MS compiler fails the test for the __restrict keyword
Like this:
typedef int * int_ptr;
int foo (int_ptr __restrict ip) // C2219: syntax error
But this works OK:
typedef int * __restrict int_ptr;
int foo (int_ptr ip) // OK
which make sense - not allowing change of a defined custom type
MSDN says:
The __restrict keyword is valid only on variables
__restrict is similar to restrict from the C99 spec, but __restrict can be
used in C++ or C programs
autoconf.m4f(11784), c.m4(1666) from current CVS
for ac_kw in __restrict __restrict__ _Restrict restrict; do
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[typedef int * int_ptr;
int foo (int_ptr $ac_kw ip) {
return ip[0];
}]],
...
Could be fixed with:
for ac_kw in __restrict __restrict__ _Restrict restrict; do
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[typedef int * $ac_kw int_ptr;
int foo (int_ptr ip) {
return ip[0];
}]],
...
Tested with compiler version: AMD64 14.0.50722.762 (VS2005 SP1)
Regards Erik
- test for restrict fails with MS compiler,
Jerker Bäck <=
- Re: test for restrict fails with MS compiler, Ralf Wildenhues, 2007/07/10
- RE: test for restrict fails with MS compiler, Jerker Bäck, 2007/07/10
- Re: test for restrict fails with MS compiler, Ralf Wildenhues, 2007/07/13
- RE: test for restrict fails with MS compiler, Jerker Bäck, 2007/07/18
- Re: test for restrict fails with MS compiler, Noah Misch, 2007/07/18
- RE: test for restrict fails with MS compiler, Jerker Bäck, 2007/07/19
- Re: test for restrict fails with MS compiler, Ralf Wildenhues, 2007/07/19
- Re: test for restrict fails with MS compiler, Ralf Wildenhues, 2007/07/19
- RE: test for restrict fails with MS compiler, Jerker Bäck, 2007/07/19