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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
  committed
  290f955
- Squeeze out unneeded SAVE_IP from traces
  gvanrossum
  committed
  d9258d8
- Factor squeeze_stubs() out of translate_bytecode_to_trace()
  gvanrossum
  committed
  51eaa2f
- Use squeeze_stubs() instead of inserting NOPs into gap created by remove_unneeded_uops()
  gvanrossum
  committed
  4c5c38d
- When there's no gap we can set trace_length = buffer_size
  gvanrossum
  committed
  869ae8d
- Always remove NOPs, even if no new ones were added
  gvanrossum
  committed
  bf9fefd
- Change meaning of last_instr to be base-0
  gvanrossum
  committed
  8d31dc0
- Tweaks to debug output
  gvanrossum
  committed
  afb7cc1
Commits on Aug 29, 2023
- Rename squeeze_stubs() to move_stubs()
  gvanrossum
  committed
  67b9e6b
- Shorten comment
  gvanrossum
  committed
  ad5c50f
- Initialize last_instr to 0, not -1
  gvanrossum
  committed
  ebce668