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Bug 1764882 - Use apple-m1 cpu target on mac arm64 builds. r=firefox-build-system-reviewers,mhentges

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Differential Revision: https://phabricator.services.mozilla.com/D143818
This commit is contained in:
Mike Hommey
2022-04-18 20:38:25 +00:00
parent e75650f6cc
commit 5579a5ae06
2 changed files with 7 additions and 6 deletions
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11
browser/config/mozconfigs/macosx64-aarch64/common-opt
View File

@@ -23,8 +23,9 @@ export MOZ_PACKAGE_JSSHELL=1
ac_add_options --target=aarch64-apple-darwin
export MACOS_SDK_DIR=$MOZ_FETCHES_DIR/MacOSX11.0.sdk
# Xcode clang defaults to something similar to -mcpu=apple-a12, while upstream
# clang defaults to -mcpu=apple-a7, which disables a bunch of performance-enabling
# CPU features. TODO: this should be done by configure.
export CFLAGS="$CFLAGS -mcpu=apple-a12"
export CXXFLAGS="$CXXFLAGS -mcpu=apple-a12"
# As of Clang 13, the default is -mcpu=apple-m1 when using a aarch64-apple-macos target,
# but we're using apple64-apple-darwin, which defaults to -mcpu=apple-a7, which disables
# a bunch of # performance-enabling CPU features.
# TODO: We'll want to switch to aarch64-apple-macos eventually.
export CFLAGS="$CFLAGS -mcpu=apple-m1"
export CXXFLAGS="$CXXFLAGS -mcpu=apple-m1"

2
taskcluster/scripts/misc/build-llvm-common.sh
View File

@@ -18,7 +18,7 @@ aarch64-apple-darwin)
arch=arm64
export MACOSX_DEPLOYMENT_TARGET=11.0
compiler_wrapper() {
echo exec \$MOZ_FETCHES_DIR/clang/bin/$1 -mcpu=apple-a12 \"\$@\" > $1
echo exec \$MOZ_FETCHES_DIR/clang/bin/$1 -mcpu=apple-m1 \"\$@\" > $1
chmod +x $1
}
compiler_wrapper clang