In many cases it can, but then you have to be sure that it keeps doing so. You can write test cases for that, but in many cases it's easier to verify by just using the instructions directly.
If you don't write the compiler, you have to make assumptions about when and how it can/will use those instructions, and often you assume wrong, particularly across compiler upgrades.
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In many cases it can, but then you have to be sure that it keeps doing so. You can write test cases for that, but in many cases it's easier to verify by just using the instructions directly.
If you don't write the compiler, you have to make assumptions about when and how it can/will use those instructions, and often you assume wrong, particularly across compiler upgrades.