Import Upstream version 20180207
[hcoop/debian/mlton.git] / doc / guide / src / RunningOnIA64.adoc
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1RunningOnIA64
2=============
3
4MLton runs fine on the IA64 architecture.
5
6== Notes ==
7
8* When compiling for IA64, MLton targets the 64-bit ABI.
9
10* When compiling for IA64, MLton doesn't support native code
11generation (`-codegen native`). Hence, performance is not as good as
12it might be and compile times are longer. Also, the quality of code
13generated by `gcc` is important. By default, MLton calls `gcc -O1`.
14You can change this by calling MLton with `-cc-opt -O2`.
15
16* When compiling for IA64, MLton uses `-align 8` by default.
17
18* On the IA64, the <:GnuMP:> library supports multiple ABIs. See the
19<:GnuMP:> page for more details.