• Jack Applegame (7/7) Nov 17 2020 I work with the ARM platform and I need to specify AAPCS [1]
• Elronnd (2/2) Nov 18 2020 You may be interested in ldc.attributes.llvmAttr.
• Jack Applegame (3/5) Nov 18 2020 I already tried llvmAttr("pcs", "aapcs") and llvmAttr("__pcs__",
• Johan (5/11) Nov 18 2020 Calling conventions cannot be added with llvmAttr. We need a new

Jack Applegame <japplegame gmail.com> writes:

I work with the ARM platform and I need to specify AAPCS [1] 
calling convention.
Clang and GCC support `__attribute__((__pcs__("aapcs")))` [2].

How to specify this calling convention?

[1] https://developer.arm.com/documentation/ihi0042/latest/
[2] 
https://github.com/llvm/llvm-project/blob/master/compiler-rt/lib/builtins/int_lib.h#L27

Elronnd <elronnd elronnd.net> writes:

You may be interested in ldc.attributes.llvmAttr.

https://wiki.dlang.org/LDC-specific_language_changes#.40.28ldc.attributes.llvmAttr.28.22key.22.2C_.22value.22.29.29

Jack Applegame <japplegame gmail.com> writes:

On Wednesday, 18 November 2020 at 20:35:37 UTC, Elronnd wrote:
 You may be interested in ldc.attributes.llvmAttr.

 https://wiki.dlang.org/LDC-specific_language_changes#.40.28ldc.attributes.llvmAttr.28.22key.22.2C_.22value.22.29.29

I already tried llvmAttr("pcs", "aapcs") and llvmAttr("__pcs__", 
"aapcs"), but nothing changed.

Johan <j j.nl> writes:

On Wednesday, 18 November 2020 at 21:58:44 UTC, Jack Applegame 
wrote:
 On Wednesday, 18 November 2020 at 20:35:37 UTC, Elronnd wrote:
 You may be interested in ldc.attributes.llvmAttr.

 https://wiki.dlang.org/LDC-specific_language_changes#.40.28ldc.attributes.llvmAttr.28.22key.22.2C_.22value.22.29.29

 I already tried llvmAttr("pcs", "aapcs") and 
 llvmAttr("__pcs__", "aapcs"), but nothing changed.

Calling conventions cannot be added with llvmAttr. We need a new 
magic attribute for it.

-Johan