pclmulqdq is an assembly instruction on Intel CPUs that has been
introduced together with the AES instructions. pclmulqdq provides
multiplication on binary fields and is very usefull for
implementing fast and timing attack resistant cryptographic
algorithms (e.g. GCM). The D asm supports all AES instructions
but not pclmulqdq. How can I add support for this instruction?
Could I write a patch myself? Compiler development is unknown
land to me and I'd be very glad to get some help!

On Saturday, 13 June 2015 at 19:48:07 UTC, \u2603 wrote:
> pclmulqdq is an assembly instruction on Intel CPUs that has been
> introduced together with the AES instructions. pclmulqdq provides
> multiplication on binary fields and is very usefull for
> implementing fast and timing attack resistant cryptographic
> algorithms (e.g. GCM). The D asm supports all AES instructions
> but not pclmulqdq. How can I add support for this instruction?
> Could I write a patch myself? Compiler development is unknown
> land to me and I'd be very glad to get some help!

waiting for its support as inline asm opcode you can still use the instruction by writing it directly as bytecode:

---
asm{
 db 0x66;
 db 0x0f;
 db 0x3a;
 db 0x44;
}
---

expect that the regs arguments might be a somehow tricky to write...but still faisable.

On Saturday, 13 June 2015 at 19:48:07 UTC, \u2603 wrote:
> pclmulqdq is an assembly instruction on Intel CPUs that has been
> introduced together with the AES instructions. pclmulqdq provides
> multiplication on binary fields and is very usefull for
> implementing fast and timing attack resistant cryptographic
> algorithms (e.g. GCM). The D asm supports all AES instructions
> but not pclmulqdq. How can I add support for this instruction?
> Could I write a patch myself? Compiler development is unknown
> land to me and I'd be very glad to get some help!

You mean like this?

https://github.com/etcimon/botan/blob/master/source/botan/modes/aead/gcm.d#L437

Thanks! Directly using opcodes does the trick.

https://issues.dlang.org/show_bug.cgi?id=14697