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SCons: Explicitly enable -mfpmath=sse -mstackrealign for x86_32

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Passing `-msse2` doesn't seem to be sufficient to opt into SSE floating point math
instead of the less stable x87.

`-mstackrealign` also seems necessary when using SSE on x86_32.
This commit is contained in:
Rémi Verschelde
2025-04-23 22:24:01 +02:00
parent 931820d33c
commit 08fa148310
3 changed files with 1 additions and 4 deletions
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2
SConstruct
View File

@@ -718,7 +718,7 @@ if env["arch"] == "x86_32":
if env.msvc: if env.msvc:
env.Append(CCFLAGS=["/arch:SSE2"]) env.Append(CCFLAGS=["/arch:SSE2"])
else: else:
env.Append(CCFLAGS=["-msse2"]) env.Append(CCFLAGS=["-msse2", "-mfpmath=sse", "-mstackrealign"])
# Explicitly specify colored output. # Explicitly specify colored output.
if methods.using_gcc(env): if methods.using_gcc(env):

1
modules/raycast/SCsub
View File

@@ -71,7 +71,6 @@ if env["builtin_embree"]:
env.Append(LINKFLAGS=["psapi.lib"]) env.Append(LINKFLAGS=["psapi.lib"])
else: else:
env.Append(LIBS=["psapi"]) env.Append(LIBS=["psapi"])
env_raycast.Append(CCFLAGS=["-mstackrealign"])
if env.msvc: # Disable bogus warning about intentional struct padding. if env.msvc: # Disable bogus warning about intentional struct padding.
env_raycast.Append(CCFLAGS=["/wd4324"]) env_raycast.Append(CCFLAGS=["/wd4324"])

2
platform/android/detect.py
View File

@@ -207,8 +207,6 @@ def configure(env: "SConsEnvironment"):
env.Append(CPPDEFINES=[("_FILE_OFFSET_BITS", 64)]) env.Append(CPPDEFINES=[("_FILE_OFFSET_BITS", 64)])
if env["arch"] == "x86_32": if env["arch"] == "x86_32":
# The NDK adds this if targeting API < 24, so we can drop it when Godot targets it at least
env.Append(CCFLAGS=["-mstackrealign"])
if has_swappy: if has_swappy:
env.Append(LIBPATH=["#thirdparty/swappy-frame-pacing/x86"]) env.Append(LIBPATH=["#thirdparty/swappy-frame-pacing/x86"])
elif env["arch"] == "x86_64": elif env["arch"] == "x86_64":