[wasm64] Fix emmalloc+verbose under wasm64#20654
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We have some single byte code size wins and some single byte code size losses elsewhere that I think are the just the result of the optimizers seeing slightly different things at different times, but none are significant. |
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Take the alignment into account when requesting new memory from the OS. If the alignment is high then we need to ask for enough to ensure we end up aligned, or else we can end up allocating double the memory we need (see #20645). This only changes the amount we allocate from the OS if the alignment is non- standard, that is, this is NFC for normal calls to malloc. Also remove an assertion that limited the maximum alignment. mimalloc wants 4 MB alignment. Fixes #20654
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Take the alignment into account when requesting new memory from the OS. If the alignment is high then we need to ask for enough to ensure we end up aligned, or else we can end up allocating double the memory we need (see emscripten-core#20645). This only changes the amount we allocate from the OS if the alignment is non- standard, that is, this is NFC for normal calls to malloc. Also remove an assertion that limited the maximum alignment. mimalloc wants 4 MB alignment. Fixes emscripten-core#20654
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