add pass

Author: dschuff

system/lib/libc/emscripten_memcpy.c

@@ -22,6 +22,11 @@ static void *__memcpy(void *dest, const void *src, size_t n) {
 #elif defined(__wasm_bulk_memory__)
 
 static void *__memcpy(void *restrict dest, const void *restrict src, size_t n) {
+/*   if (!n) return dest;
+  __asm__("local.get %0; local.get %1; local.get %2; memory.copy 0, 0"
+    : 
+    : "r"(dest), "r"(src), "r"(n));
+  return dest; */
   return n ? _emscripten_memcpy_bulkmem(dest, src, n) : dest;
 }
 

test/benchmark/benchmark_memcpy.cpp

@@ -4,6 +4,7 @@
 // found in the LICENSE file.
 
 #include <string.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <vector>

test/test_benchmark.py

@@ -436,7 +436,7 @@ def do_benchmark(self, name, src, expected_output='FAIL', args=None,
                    emcc_args=None, native_args=None, shared_args=None,
                    force_c=False, reps=TEST_REPS, native_exec=None,
                    output_parser=None, args_processor=None, lib_builder=None,
-                   skip_native=False):
+                   skip_native=True):
     if not benchmarkers:
       raise Exception('error, no benchmarkers')
 
@@ -909,31 +909,31 @@ def output_parser(output):
   def test_memcpy_128b(self):
     def output_parser(output):
       return float(re.search(r'Total time: ([\d\.]+)', output).group(1))
-    self.do_benchmark('memcpy_128b', read_file(test_file('benchmark/benchmark_memcpy.cpp')), 'Total time:', output_parser=output_parser, shared_args=['-DMAX_COPY=128', '-DBUILD_FOR_SHELL', '-I' + test_file('benchmark')])
+    self.do_benchmark('memcpy_128b', read_file(test_file('benchmark/benchmark_memcpy.cpp')), 'Total time:', output_parser=output_parser, shared_args=['-mbulk-memory', '-DMAX_COPY=128', '-DBUILD_FOR_SHELL', '-I' + test_file('benchmark')])
 
   @non_core
   def test_memcpy_4k(self):
     def output_parser(output):
       return float(re.search(r'Total time: ([\d\.]+)', output).group(1))
-    self.do_benchmark('memcpy_4k', read_file(test_file('benchmark/benchmark_memcpy.cpp')), 'Total time:', output_parser=output_parser, shared_args=['-DMIN_COPY=128', '-DMAX_COPY=4096', '-DBUILD_FOR_SHELL', '-I' + test_file('benchmark')])
+    self.do_benchmark('memcpy_4k', read_file(test_file('benchmark/benchmark_memcpy.cpp')), 'Total time:', output_parser=output_parser, shared_args=['-mbulk-memory','-DMIN_COPY=128', '-DMAX_COPY=4096', '-DBUILD_FOR_SHELL', '-I' + test_file('benchmark')])
 
   @non_core
   def test_memcpy_16k(self):
     def output_parser(output):
       return float(re.search(r'Total time: ([\d\.]+)', output).group(1))
-    self.do_benchmark('memcpy_16k', read_file(test_file('benchmark/benchmark_memcpy.cpp')), 'Total time:', output_parser=output_parser, shared_args=['-DMIN_COPY=4096', '-DMAX_COPY=16384', '-DBUILD_FOR_SHELL', '-I' + test_file('benchmark')])
+    self.do_benchmark('memcpy_16k', read_file(test_file('benchmark/benchmark_memcpy.cpp')), 'Total time:', output_parser=output_parser, shared_args=['-mbulk-memory','-DMIN_COPY=4096', '-DMAX_COPY=16384', '-DBUILD_FOR_SHELL', '-I' + test_file('benchmark')])
 
   @non_core
   def test_memcpy_1mb(self):
     def output_parser(output):
       return float(re.search(r'Total time: ([\d\.]+)', output).group(1))
-    self.do_benchmark('memcpy_1mb', read_file(test_file('benchmark/benchmark_memcpy.cpp')), 'Total time:', output_parser=output_parser, shared_args=['-DMIN_COPY=16384', '-DMAX_COPY=1048576', '-DBUILD_FOR_SHELL', '-I' + test_file('benchmark')])
+    self.do_benchmark('memcpy_1mb', read_file(test_file('benchmark/benchmark_memcpy.cpp')), 'Total time:', output_parser=output_parser, shared_args=['-mbulk-memory','-DMIN_COPY=16384', '-DMAX_COPY=1048576', '-DBUILD_FOR_SHELL', '-I' + test_file('benchmark')])
 
   @non_core
   def test_memcpy_16mb(self):
     def output_parser(output):
       return float(re.search(r'Total time: ([\d\.]+)', output).group(1))
-    self.do_benchmark('memcpy_16mb', read_file(test_file('benchmark/benchmark_memcpy.cpp')), 'Total time:', output_parser=output_parser, shared_args=['-DMIN_COPY=1048576', '-DBUILD_FOR_SHELL', '-I' + test_file('benchmark')])
+    self.do_benchmark('memcpy_16mb', read_file(test_file('benchmark/benchmark_memcpy.cpp')), 'Total time:', output_parser=output_parser, shared_args=['-mbulk-memory','-DMIN_COPY=1048576', '-DBUILD_FOR_SHELL', '-I' + test_file('benchmark')])
 
   @non_core
   def test_memset_128b(self):

test/test_other.py

@@ -10226,6 +10226,7 @@ def test_separate_dwarf(self):
         # with name sections but no code sections.
         # if sec.type == webassembly.SecType.CODE:
         #   self.fail(f'section of type "{sec.type}" found in separate dwarf file')
+        pass
 
     # Check that dwarfdump can dump the debug info
     dwdump = self.run_process(