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Update BUILD.gn

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Alexander David Frick 2021-12-16 06:20:03 -06:00 committed by GitHub
parent e5761037a0
commit 00a79dac63
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1 changed files with 24 additions and 20 deletions
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44
build/config/compiler/BUILD.gn
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@ -129,8 +129,8 @@ declare_args() {
# TODO(gbiv): We disable optimizations by default on most platforms because
# the space overhead is too great. We should use some mixture of profiles and
# optimization settings to better tune the size increase.
thin_lto_enable_optimizations =
(is_chromeos_ash || is_android || is_win || is_linux) && is_official_build
thin_lto_enable_optimizations = (is_chromeos_ash || is_android || is_win ||
is_linux || is_mac) && is_official_build
# Initialize all local variables with a pattern. This flag will fill
# uninitialized floating-point types (and 32-bit pointers) with 0xFF and the
@ -586,7 +586,6 @@ config("compiler") {
}
cflags_c += [ "-std=${standard_prefix}11" ]
if (is_nacl && !is_nacl_saigo) {
# This is for the pnacl_newlib toolchain. It's only used to build
# a few independent ppapi test files that don't pull in any other
@ -655,10 +654,11 @@ config("compiler") {
if (!is_debug && use_thin_lto && is_a_target_toolchain) {
assert(use_lld, "LTO is only supported with lld")
cflags += [
"-flto=thin",
"-fsplit-lto-unit",
]
cflags += [ "-flto=thin" ]
if (!is_mac) {
# TODO(lgrey): Enable unit splitting for Mac when supported.
cflags += [ "-fsplit-lto-unit" ]
}
# Limit the size of the ThinLTO cache to the lesser of 10% of
# available disk space, 40GB and 100000 files.
@ -673,7 +673,7 @@ config("compiler") {
"/opt:lldltojobs=all",
"-mllvm:-import-instr-limit=$import_instr_limit",
# "/lldltocache:" +
# rebase_path("$root_out_dir/thinlto-cache", root_build_dir),
# rebase_path("$root_out_dir/thinlto-cache", root_build_dir),
# "/lldltocachepolicy:$cache_policy",
]
} else {
@ -692,6 +692,10 @@ config("compiler") {
ldflags +=
[ "-Wl,-cache_path_lto," +
rebase_path("$root_out_dir/thinlto-cache", root_build_dir) ]
} else {
ldflags +=
# [ "-Wl,--thinlto-cache-dir=" +
# rebase_path("$root_out_dir/thinlto-cache", root_build_dir) ]
}
# ldflags += [ "-Wl,--thinlto-cache-policy=$cache_policy" ]
@ -1911,16 +1915,16 @@ if (is_win) {
]
common_optimize_on_ldflags += [
"-mllvm:-extra-vectorizer-passes",
"-mllvm:-enable-cond-stores-vec",
"-mllvm:-slp-vectorize-hor-store",
"-mllvm:-enable-loopinterchange",
"-mllvm:-enable-loop-distribute",
"-mllvm:-enable-unroll-and-jam",
"-mllvm:-enable-loop-flatten",
"-mllvm:-interleave-small-loop-scalar-reduction",
"-mllvm:-unroll-runtime-multi-exit",
"-mllvm:-aggressive-ext-opt",
"-Wl,-mllvm,-extra-vectorizer-passes",
"-Wl,-mllvm,-enable-cond-stores-vec",
"-Wl,-mllvm,-slp-vectorize-hor-store",
"-Wl,-mllvm,-enable-loopinterchange",
"-Wl,-mllvm,-enable-loop-distribute",
"-Wl,-mllvm,-enable-unroll-and-jam",
"-Wl,-mllvm,-enable-loop-flatten",
"-Wl,-mllvm,-interleave-small-loop-scalar-reduction",
"-Wl,-mllvm,-unroll-runtime-multi-exit",
"-Wl,-mllvm,-aggressive-ext-opt",
]
# /OPT:ICF is not desirable in Debug builds, since code-folding can result in
@ -1936,7 +1940,7 @@ if (is_win) {
} else {
common_optimize_on_cflags = []
common_optimize_on_ldflags = []
common_optimize_on_cflags += [
"-mllvm", "-extra-vectorizer-passes",
"-mllvm", "-enable-cond-stores-vec",
@ -2175,7 +2179,7 @@ config("optimize_speed") {
config("optimize_fuzzing") {
cflags = [ "-O1" ] + common_optimize_on_cflags
rustflags = [ "-Copt-level=1" ]
rustflags = [ "-Copt-level=3" ]
ldflags = common_optimize_on_ldflags
visibility = [ ":default_optimization" ]
}