Robert Jacques wrote:
But don't 16-bit and 32-bit x86 have the same number of registers, while x86-64 doubled them? Which should result in ABI changes, etc in addition to optimizer changes.
No optimizer changes, ABI changes are minor.
Robert Jacques wrote:
But don't 16-bit and 32-bit x86 have the same number of registers, while x86-64 doubled them? Which should result in ABI changes, etc in addition to optimizer changes.
No optimizer changes, ABI changes are minor.