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Increase compiler optimization when using target=release on iOS/Android #60358

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merged 1 commit into from
May 13, 2022
Merged

Increase compiler optimization when using target=release on iOS/Android #60358

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7 changes: 5 additions & 2 deletions platform/android/detect.py
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Original file line number Diff line number Diff line change
Expand Up @@ -188,8 +188,11 @@ def mySpawn(sh, escape, cmd, args, env):

if env["target"].startswith("release"):
if env["optimize"] == "speed": # optimize for speed (default)
env.Append(LINKFLAGS=["-O2"])
env.Append(CCFLAGS=["-O2", "-fomit-frame-pointer"])
# `-O2` is more friendly to debuggers than `-O3`, leading to better crash backtraces
# when using `target=release_debug`.
opt = "-O3" if env["target"] == "release" else "-O2"
env.Append(LINKFLAGS=[opt])
env.Append(CCFLAGS=[opt, "-fomit-frame-pointer"])
elif env["optimize"] == "size": # optimize for size
env.Append(CCFLAGS=["-Os"])
env.Append(LINKFLAGS=["-Os"])
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7 changes: 5 additions & 2 deletions platform/iphone/detect.py
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Original file line number Diff line number Diff line change
Expand Up @@ -47,8 +47,11 @@ def configure(env):
if env["target"].startswith("release"):
env.Append(CPPDEFINES=["NDEBUG", ("NS_BLOCK_ASSERTIONS", 1)])
if env["optimize"] == "speed": # optimize for speed (default)
env.Append(CCFLAGS=["-O2", "-ftree-vectorize", "-fomit-frame-pointer"])
env.Append(LINKFLAGS=["-O2"])
# `-O2` is more friendly to debuggers than `-O3`, leading to better crash backtraces
# when using `target=release_debug`.
opt = "-O3" if env["target"] == "release" else "-O2"
env.Append(CCFLAGS=[opt, "-ftree-vectorize", "-fomit-frame-pointer"])
env.Append(LINKFLAGS=[opt])
elif env["optimize"] == "size": # optimize for size
env.Append(CCFLAGS=["-Os", "-ftree-vectorize"])
env.Append(LINKFLAGS=["-Os"])
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