[llvm] 7316b0d - gn build: Add support for building the AArch64 LSE builtins.
Peter Collingbourne via llvm-commits
llvm-commits at lists.llvm.org
Mon Jun 13 13:15:57 PDT 2022
Author: Peter Collingbourne
Date: 2022-06-13T13:15:29-07:00
New Revision: 7316b0d54c3d00d9142c881f0c3f400b664c30b4
URL: https://github.com/llvm/llvm-project/commit/7316b0d54c3d00d9142c881f0c3f400b664c30b4
DIFF: https://github.com/llvm/llvm-project/commit/7316b0d54c3d00d9142c881f0c3f400b664c30b4.diff
LOG: gn build: Add support for building the AArch64 LSE builtins.
Differential Revision: https://reviews.llvm.org/D127560
Added:
Modified:
llvm/utils/gn/secondary/compiler-rt/lib/builtins/BUILD.gn
Removed:
################################################################################
diff --git a/llvm/utils/gn/secondary/compiler-rt/lib/builtins/BUILD.gn b/llvm/utils/gn/secondary/compiler-rt/lib/builtins/BUILD.gn
index 0248511dfb8a0..6a78b2b903d94 100644
--- a/llvm/utils/gn/secondary/compiler-rt/lib/builtins/BUILD.gn
+++ b/llvm/utils/gn/secondary/compiler-rt/lib/builtins/BUILD.gn
@@ -6,6 +6,54 @@ declare_args() {
compiler_rt_exclude_atomic_builtin = true
}
+lse_targets = []
+
+if (current_cpu == "arm64") {
+ foreach(pat,
+ [
+ "cas",
+ "swp",
+ "ldadd",
+ "ldclr",
+ "ldeor",
+ "ldset",
+ ]) {
+ foreach(size,
+ [
+ "1",
+ "2",
+ "4",
+ "8",
+ "16",
+ ]) {
+ foreach(model,
+ [
+ "1",
+ "2",
+ "3",
+ "4",
+ ]) {
+ if (pat == "cas" || size != "16") {
+ source_set("lse_${pat}_${size}_${model}") {
+ # Assign to sources like this to hide from
+ # sync_source_lists_from_cmake.py which won't find the source file
+ # on the CMake side.
+ lse_file = "aarch64/lse.S"
+ sources = [ lse_file ]
+ include_dirs = [ "." ]
+ defines = [
+ "L_$pat",
+ "SIZE=$size",
+ "MODEL=$model",
+ ]
+ }
+ lse_targets += [ ":lse_${pat}_${size}_${model}" ]
+ }
+ }
+ }
+ }
+}
+
static_library("builtins") {
output_dir = crt_current_out_dir
if (current_os == "mac") {
@@ -518,6 +566,8 @@ static_library("builtins") {
if (!compiler_rt_exclude_atomic_builtin) {
sources += [ "atomic.c" ]
}
+
+ deps = lse_targets
}
# Currently unused but necessary to make sync_source_lists_from_cmake.py happy.
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