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Bug 1831935: optimize android gecko for O2 r=firefox-build-system-reviewers,glandium

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Differential Revision: https://phabricator.services.mozilla.com/D177407
This commit is contained in:
mleclair 2023-06-14 15:13:40 +00:00
parent 072cbeca52
commit 9534fb1a7e
1 changed files with 1 additions and 18 deletions
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19
old-configure.in
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@ -379,24 +379,7 @@ case "$target" in
if test -z "$CLANG_CC"; then
MOZ_OPTIMIZE_FLAGS="-freorder-blocks -fno-reorder-functions -Os"
else
# From https://github.com/android-ndk/ndk/issues/133#issuecomment-308549264
# -Oz is smaller than -Os on clang.
MOZ_OPTIMIZE_FLAGS="-Oz"
# Disable the outliner, which causes performance regressions, and is
# enabled on some platforms at -Oz.
if test -z "$MOZ_LTO"; then
DISABLE_OUTLINER="-mno-outline"
_SAVE_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $DISABLE_OUTLINER"
AC_TRY_COMPILE(,,[MOZ_OPTIMIZE_FLAGS="$MOZ_OPTIMIZE_FLAGS $DISABLE_OUTLINER"])
CFLAGS="$_SAVE_CFLAGS"
else
DISABLE_OUTLINER="-Wl,-plugin-opt=-enable-machine-outliner=never"
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS $MOZ_LTO_LDFLAGS $DISABLE_OUTLINER"
AC_TRY_LINK(,,[MOZ_OPTIMIZE_LDFLAGS="$MOZ_OPTIMIZE_LDFLAGS $DISABLE_OUTLINER"])
LDFLAGS="$_SAVE_LDFLAGS"
fi
MOZ_OPTIMIZE_FLAGS="-O2"
fi
;;