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| author | Kartik Agaram <vc@akkartik.com> | 2020-09-27 21:12:48 -0700 |
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| committer | Kartik Agaram <vc@akkartik.com> | 2020-09-27 21:12:48 -0700 |
| commit | 31e6ed17f84ff5b67803e534cde104b331dd495d (patch) | |
| tree | 8ed6d9fe0eeea6d55489172c10d64909cddd7c05 /mu.md | |
| parent | 7258083c6fe720b49c0a2b7e00af662dcb8a2d49 (diff) | |
| download | mu-31e6ed17f84ff5b67803e534cde104b331dd495d.tar.gz | |
6885 - starting on floating-point instructions
I spent some time deciding on the instructions. x87 is a stack ISA, so not a good fit for the rest of SubX. So we use SSE instead. They operate on 32-bit floats, which seems like a good fit. SSE has a bunch of instructions for operating on up to 4 floats at once. We'll ignore all that and just focus on so-called scalar instructions.
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