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About:
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For testing compiler changes, keep a database of tgsi inputs and
corresponding ir3 asm outputs. When compiler changes are made,
regenerate ir3 asm outputs with ir3_compiler from latest mesa,
and feed both new and old outputs into assembler + emulator to
check for equivalent outputs.
The emulator does not try to be 100% accurate, or even 100% complete,
as much as just ensuring that equivalent sequences of instructions
produce equivalent results. It does, to a limited extent, try to
detect known issues, like insufficent delay slots or missing sync
bits.
Build:
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./autogen.sh && make
Run:
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./run-tests.sh
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