Add compacting-gc vm config variants to mx

Author: farquet

vm/mx.vm/mx_vm_benchmark.py

@@ -230,6 +230,8 @@ def __init__(self, vm: NativeImageVM, bm_suite: BenchmarkSuite | NativeImageBenc
             base_image_build_args += ['-H:+UseStringInlining']
         if vm.use_open_type_world:
             base_image_build_args += ['-H:-ClosedTypeWorld']
+        if vm.use_compacting_gc:
+            base_image_build_args += ['-H:+CompactingOldGen']
         if vm.is_llvm:
             base_image_build_args += ['--features=org.graalvm.home.HomeFinderFeature'] + ['-H:CompilerBackend=llvm', '-H:DeadlockWatchdogInterval=0']
         if vm.gc:
@@ -531,6 +533,7 @@ def __init__(self, name, config_name, extra_java_args=None, extra_launcher_args=
         self.native_architecture = False
         self.use_upx = False
         self.use_open_type_world = False
+        self.use_compacting_gc = False
         self.graalvm_edition = None
         self.config: Optional[NativeImageBenchmarkConfig] = None
         self.stages_info: Optional[StagesInfo] = None
@@ -569,6 +572,8 @@ def config_name(self):
             config += ["string-inlining"]
         if self.use_open_type_world is True:
             config += ["otw"]
+        if self.use_compacting_gc is True:
+            config += ["compacting-gc"]
         if self.is_gate is True:
             config += ["gate"]
         if self.use_upx is True:
@@ -637,7 +642,7 @@ def _configure_from_name(self, config_name):
             mx.abort(f"config_name must be set. Use 'default' for the default {self.__class__.__name__} configuration.")
 
         # This defines the allowed config names for NativeImageVM. The ones registered will be available via --jvm-config
-        rule = r'^(?P<native_architecture>native-architecture-)?(?P<string_inlining>string-inlining-)?(?P<otw>otw-)?(?P<gate>gate-)?(?P<upx>upx-)?(?P<quickbuild>quickbuild-)?(?P<gc>g1gc-)?(?P<llvm>llvm-)?(?P<pgo>pgo-|pgo-ctx-insens-|pgo-sampler-)?(?P<inliner>inline-)?' \
+        rule = r'^(?P<native_architecture>native-architecture-)?(?P<string_inlining>string-inlining-)?(?P<otw>otw-)?(?P<compacting_gc>compacting-gc-)?(?P<gate>gate-)?(?P<upx>upx-)?(?P<quickbuild>quickbuild-)?(?P<gc>g1gc-)?(?P<llvm>llvm-)?(?P<pgo>pgo-|pgo-ctx-insens-|pgo-sampler-)?(?P<inliner>inline-)?' \
                r'(?P<analysis_context_sensitivity>insens-|allocsens-|1obj-|2obj1h-|3obj2h-|4obj3h-)?(?P<no_inlining_before_analysis>no-inline-)?(?P<jdk_profiles>jdk-profiles-collect-|adopted-jdk-pgo-)?' \
                r'(?P<profile_inference>profile-inference-feature-extraction-|profile-inference-pgo-|profile-inference-debug-)?(?P<sampler>safepoint-sampler-|async-sampler-)?(?P<optimization_level>O0-|O1-|O2-|O3-|Os-)?(default-)?(?P<edition>ce-|ee-)?$'
 
@@ -667,6 +672,10 @@ def _configure_from_name(self, config_name):
             mx.logv(f"'otw' is enabled for {config_name}")
             self.use_open_type_world = True
 
+        if matching.group("compacting_gc") is not None:
+            mx.logv(f"'compacting-gc' is enabled for {config_name}")
+            self.use_compacting_gc = True
+
         if matching.group("quickbuild") is not None:
             mx.logv(f"'quickbuild' is enabled for {config_name}")
             self.is_quickbuild = True