shachaf, 28 days ago EN Apparently even asm(""); is treated as some sort of compiler barrier for clang, causing it to spill registers to memory. https://godbolt.org/z/G3c778WqE
Apparently even asm(""); is treated as some sort of compiler barrier for clang, causing it to spill registers to memory. https://godbolt.org/z/G3c778WqE
pkhuong, 28 days ago @shachaf that's unextended inline asm, with an implicit memory (and cc, I think registers are assumed preserved?) clobber. Compare with asm("":::).
@shachaf that's unextended inline asm, with an implicit memory (and cc, I think registers are assumed preserved?) clobber. Compare with asm("":::).
Add comment