xlc or xlC is the command to invoke IBM XL C or C++ compiler. It is used on IBMs proprietary platforms like Blue Gene, AIX, z/OS, and z/VM
Questions tagged [xlc]
113 questions
3
votes
2 answers
C++ and IBM compiler bug?
Very interesting piece of code here. I have created it with the only purpose - to demonstrate the behaviour of the xlC compiler.
namespace ns {
template inline T f() { return T(); }
template<> inline double f() { return…
novak Li
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3
votes
1 answer
adding parenthesis to a constructor call causes duplicate parameter error in xlc C++ compiler
We are creating a domain specific language that generates C++ code that must compile under gcc and also IBM xlc (version 10.1 for AIX) compilers.
One specific code snippet generated C++ code that works perfectly well under gcc, but no so much under…
Pipilio
- 33
- 3
2
votes
1 answer
How to avoid label translation when using inline assembly in XLC compiler?
When using inline assembly with XLC compiler (for powerpc) the labels are translated and as a result it is impossible to know the final label name for jumps. Example:
int main()
{
__asm__("mylabel:");
__asm__("nop");
__asm__("b…
user1310915
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- 3
2
votes
3 answers
GNU make with xlc compiler
Hoping for a bit of insight here. I have source code for one of our projects, with no documentation on how to compile, and all people who wrote it having left :) We have an issue in it and lucky moi has been tasked to investigate.
Currently I'm…
ShogunMonkey
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2
votes
0 answers
How can I compile and generate libraries of boost version 1.82.0 in Aix?
Compiling the boost C++ library 1.82.0 on AIX 7.2 using xlclang++
I am trying to build the b2 binary using xlclang++ but getting std errors
class.cpp:
warning: unknown warning option '-WL'…
Rintu
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- 1
2
votes
1 answer
gprof issue with output
The question is: Why is my gprof output only displaying "Index by function name" ?
I have compiled my application with the support of this tutorial…
Oliver
- 41
- 3
2
votes
2 answers
"std::_debug_memset" is not declared
I'm working on GCC119 from the compile farm. The machine is AIX 7.1, POWER8 with IBM XLC 13.1. I'm trying to use the debug heap:
gcc119$ cat test.cxx
#include
#undef vector
#undef pixel
#undef bool
#include
int main(int argc,…
jww
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2
votes
1 answer
AIX C++ Map compile issues
I am unable to compile below code in AIX whereas Linux and Solaris seem to be OK in this regard. Its giving me issues wrt to C++ Map usage and Key pair.
#include
#include
#include
#include
#include…
user8868992
2
votes
1 answer
Does IBM XL C/C++ provide an init_priority?
We use C++ static initialization order to control the construction of several objects in a C++ library. GCC offers init_priority, and Microsoft offers init_seg().
I'm looking for similar with IBM's XL C/C++ compiler, but my search results are not…
jww
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2
votes
3 answers
xlC and Operation between types "vector unsigned int" and "int" is not allowed
I'm trying to compile a source file on PPC64-LE. I'm using the xlC compiler and the compile is failing. GCC accepts the program, so I'm not really sure what the cause of the problems are.
Here's the command line:
$ xlc test-p8.c -qarch=pwr8…
jww
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- 411
- 885
2
votes
2 answers
Equivalent of KMP_AFFINITY=verbose for gnu and ibm openmp libraries?
When using OpenMP on Intel systems, I often find it useful to set KMP_AFFINITY=verbose,(other options...) so the library spits out which cores my threads are actually bound to. I find this helpful when experimenting with different thread binding…
Michael Carilli
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2
votes
1 answer
Compiling perl >5.10 on AIX version 5.3
I've been compiling OpenSSL (and thus Perl >5.10, as it is a dependency) on multiple platforms. I've managed to get 1.1.0b compiled on every single platform except AIX, which I can't even compile Perl. I've tried several versions and looked at the…
MojiBake
- 23
- 3
2
votes
1 answer
Memory allocation in IBM AIX fails using xlc compiler?
In my code is necessary to allocate several large arrays.
However, when I try to use the IBM xlc_r :
xlc_r -g -O -L. -qarch=pwr7 -qtune=pwr7 -lesslsmp -lm -qsmp -qthreaded -qmaxmem=-1 2.c
int main()
{
int natom = 5000;
while(1)
{
…
user3821884
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- 4
2
votes
3 answers
Altivec -- load of const variable
What is the best way to load from a const pointer using altivec?
According to the documentation (and my results) vec_ld doesn't take a const pointer as an…
user1829358
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2
votes
1 answer
IBM XL C compiler - how do I expand user includes but not system includes
Searched all the IBM manuals but surprisingly can't find the answer.
I have the following:
#include < stdlib.h>
#include < stdio.h>
#include "userinc1"
#include "userinc2"
There is a compile option - which has a default of NOSHOWINC
If…
djacks
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