3 ms·
I'm not familiar with ARM ISA, but from the godbolt disassembly, it doesn't look like anything special going on here - just the ASM being generated. What's happ
by hermitdev 5y ago
I'm not familiar with ARM ISA, but from the godbolt disassembly, it doesn't look like anything special going on here - just the ASM being generated. What's happening here is it just does the add, jumps on overflow flag set to an invalid opcode...
- saagarjha 5y agoThe suggestion was a custom instruction or architectural extension to have this happen in hardware, rather than needing to write out extra code for this.