Post #3164834
2025-12-31 00:41 UTC
crackhead codegen in question
Replies (4)
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@whitequark@mastodon.social 2025-12-31 00:41
note the amount of jumps whose sole purpose appears to be "make the prefetch unit do a pull-up"
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@iximeow@haunted.computer 2025-12-31 00:42
@whitequark@mastodon.social it's nice of the compiler to tell us exactly where the basic blocks were
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@ShinyQuagsire@mastodon.social 2025-12-31 01:15
@whitequark@mastodon.social if you make the stack large enough you can also catch it using intermediate registers to increment/decrement the stack frame instead of multiple immediate adds, I love LLVM
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@dramforever@mastodon.social 2025-12-31 01:26
@whitequark@mastodon.social where did they find this -O-1 code