gh-107557: Remove unnecessary SAVE_IP instructions - #108583

Merged

gvanrossum merged 12 commits into

python:mainfrom

gvanrossum:omit-save-ip

Aug 29, 2023

Commits on Aug 28, 2023

Add HAS_ERROR_FLAG and HAS_DEOPT_FLAG
gvanrossum
committed
f289749
Write metadata for all ops and all instrs
gvanrossum
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290f955
Squeeze out unneeded SAVE_IP from traces
gvanrossum
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d9258d8
Factor squeeze_stubs() out of translate_bytecode_to_trace()
gvanrossum
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51eaa2f
Use squeeze_stubs() instead of inserting NOPs into gap created by remove_unneeded_uops()
gvanrossum
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4c5c38d
When there's no gap we can set trace_length = buffer_size
gvanrossum
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869ae8d
Always remove NOPs, even if no new ones were added
gvanrossum
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bf9fefd
Change meaning of last_instr to be base-0
gvanrossum
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8d31dc0
Tweaks to debug output
gvanrossum
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afb7cc1

Commits on Aug 29, 2023

Rename squeeze_stubs() to move_stubs()
gvanrossum
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67b9e6b
Shorten comment
gvanrossum
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ad5c50f
Initialize last_instr to 0, not -1
gvanrossum
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ebce668