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Add 64-bit Windows support #9

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vtereshkov opened this issue Feb 28, 2020 · 0 comments
Open

Add 64-bit Windows support #9

vtereshkov opened this issue Feb 28, 2020 · 0 comments
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enhancement New feature or request

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@vtereshkov
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Using a 64-bit code generator would make it very easy and 'natural' to implement Double and Int64 types.

Nevertheless, besides obvious changes in instruction prefixes, pointer sizes and PE header flags, the following difficulties are to be expected:

  • No push instruction for 64-bit immediate values even in the 64-bit mode
  • The stdcall calling convention has been replaced with fastcall in 64-bit Windows API, with the first four arguments passed via registers, all others via the stack.
  • Compiler source compatibility with Delphi/Free Pascal is questionable.
@vtereshkov vtereshkov added the enhancement New feature or request label Feb 28, 2020
@vtereshkov vtereshkov mentioned this issue Feb 28, 2020
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@vtereshkov