updated sse2neon

external/sse2neon/LICENSE

@@ -1,5 +1,7 @@
 MIT License
 
+Copyright (c) 2015-2024 SSE2NEON Contributors
+
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights

external/sse2neon/Makefile

@@ -1,10 +1,15 @@
+ifndef CC
+override CC = gcc
+endif
+
 ifndef CXX
 override CXX = g++
 endif
 
 ifndef CROSS_COMPILE
     processor := $(shell uname -m)
 else # CROSS_COMPILE was set
+    CC = $(CROSS_COMPILE)gcc
     CXX = $(CROSS_COMPILE)g++
     CXXFLAGS += -static
     LDFLAGS += -static
@@ -24,14 +29,32 @@ EXEC_WRAPPER = qemu-$(processor)
 endif
 
 # Follow platform-specific configurations
-ifeq ($(processor),$(filter $(processor),aarch64 arm64))
-    ARCH_CFLAGS = -march=armv8-a+fp+simd+crc
-else ifeq ($(processor),$(filter $(processor),i386 x86_64))
-    ARCH_CFLAGS = -maes -mpclmul -mssse3 -msse4.2
-else ifeq ($(processor),$(filter $(processor),arm armv7l))
-    ARCH_CFLAGS = -mfpu=neon
-else
-    $(error Unsupported architecture)
+ARCH_CFLAGS ?=
+ARCH_CFLAGS_IS_SET =
+ifeq ($(ARCH_CFLAGS),)
+    ARCH_CFLAGS_IS_SET = true
+endif
+ifeq ($(ARCH_CFLAGS),none)
+    ARCH_CFLAGS_IS_SET = true
+endif
+ifdef ARCH_CFLAGS_IS_SET
+    ifeq ($(processor),$(filter $(processor),aarch64 arm64))
+        override ARCH_CFLAGS := -march=armv8-a+fp+simd
+    else ifeq ($(processor),$(filter $(processor),i386 x86_64))
+        override ARCH_CFLAGS := -maes -mpclmul -mssse3 -msse4.2
+    else ifeq ($(processor),$(filter $(processor),arm armv7 armv7l))
+        override ARCH_CFLAGS := -mfpu=neon
+    else
+        $(error Unsupported architecture)
+    endif
+endif
+
+FEATURE ?=
+ifneq ($(FEATURE),)
+ifneq ($(FEATURE),none)
+COMMA:= ,
+ARCH_CFLAGS := $(ARCH_CFLAGS)+$(subst $(COMMA),+,$(FEATURE))
+endif
 endif
 
 CXXFLAGS += -Wall -Wcast-qual -I. $(ARCH_CFLAGS) -std=gnu++14
@@ -53,15 +76,18 @@ $(EXEC): $(OBJS)
 	$(CXX) $(LDFLAGS) -o $@ $^
 
 check: tests/main
+ifeq ($(processor),$(filter $(processor),aarch64 arm64 arm armv7l))
+	$(CC) $(ARCH_CFLAGS) -c sse2neon.h
+endif
 	$(EXEC_WRAPPER) $^
 
 indent:
-	@echo "Formating files with clang-format.."
-	@if ! hash clang-format-11; then echo "clang-format-11 is required to indent"; fi
-	clang-format-11 -i sse2neon.h tests/*.cpp tests/*.h
+	@echo "Formatting files with clang-format.."
+	@if ! hash clang-format-12; then echo "clang-format-12 is required to indent"; fi
+	clang-format-12 -i sse2neon.h tests/*.cpp tests/*.h
 
 .PHONY: clean check format
 clean:
-	$(RM) $(OBJS) $(EXEC) $(deps)
+	$(RM) $(OBJS) $(EXEC) $(deps) sse2neon.h.gch
 
 -include $(deps)