On 5/22/17 4:51 PM, Johan Engelen wrote:
On Monday, 22 May 2017 at 15:05:24 UTC, Andrei Alexandrescu wrote:
A fun read!
"(Late at night, I double checked. Mozilla’s CheckedInt is just as bad
as I remembered. They do a division to test for multiplication overflow.
Come on, put a line of assembler in there! Portability is worth a price,
just not any price.)"
Shocked: do you use assembly in Checked and cripple the optimizer?!?!
Luckily, no. But LDC and GDC do create the `seto` instruction I think
you were hinting at:
(LDC doesn't do as good as it could,
Thanks! Yes, seto is what I thought of - one way or another, it gets
down to using a bit of machine-specific code to get there. I'll note
that dmd does not generate seto (why?): https://goo.gl/nRjNMy. -- Andrei