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python / cpython Public

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gh-107557: Remove unnecessary SAVE_IP instructions#108583

Merged

gvanrossum merged 12 commits intopython:mainpython/cpython:mainfrom

gvanrossum:omit-save-ipgvanrossum/cpython:omit-save-ipCopy head branch name to clipboard

Aug 29, 2023

Conversation Commits12 (12)Checks Files changed

Merged

gh-107557: Remove unnecessary SAVE_IP instructions#108583
gvanrossum merged 12 commits intopython:mainfrom
gvanrossum:omit-save-ip

Commits

Commits on Aug 28, 2023

Add HAS_ERROR_FLAG and HAS_DEOPT_FLAG
gvanrossum
committed
Write metadata for all ops and all instrs
gvanrossum
committed
Squeeze out unneeded SAVE_IP from traces
gvanrossum
committed
Factor squeeze_stubs() out of translate_bytecode_to_trace()
gvanrossum
committed
Use squeeze_stubs() instead of inserting NOPs into gap created by remove_unneeded_uops()
gvanrossum
committed
When there's no gap we can set trace_length = buffer_size
gvanrossum
committed
Always remove NOPs, even if no new ones were added
gvanrossum
committed
Change meaning of last_instr to be base-0
gvanrossum
committed
Tweaks to debug output
gvanrossum
committed

Commits on Aug 29, 2023

Rename squeeze_stubs() to move_stubs()
gvanrossum
committed
Shorten comment
gvanrossum
committed
Initialize last_instr to 0, not -1
gvanrossum
committed

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