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SCons: Remove redundant -fomit-frame-pointer and -ftree-vectorize

- `-fomit-frame-pointer` is included automatically by both GCC and
  Clang in `-O1` and above.
- `-ftree-vectorize` is included automatically by GCC in `-O2` and
  beyond, and seems always enabled by Clang.

Closes #66296. See that issue for a detailed investigation.
This commit is contained in:
Rémi Verschelde
2022-09-23 13:55:00 +02:00
parent 006e345695
commit c5c3d13dc0
3 changed files with 5 additions and 6 deletions

View File

@@ -88,9 +88,9 @@ def configure(env):
if env["target"] == "release":
if env["optimize"] == "speed": # optimize for speed (default)
env.Prepend(CCFLAGS=["-O3", "-fomit-frame-pointer", "-ftree-vectorize"])
env.Prepend(CCFLAGS=["-O3"])
elif env["optimize"] == "size": # optimize for size
env.Prepend(CCFLAGS=["-Os", "-ftree-vectorize"])
env.Prepend(CCFLAGS=["-Os"])
if env["arch"] != "arm64":
env.Prepend(CCFLAGS=["-msse2"])