diff --git a/AUTHORS b/AUTHORS
index 60f41e5c6..22f2ac6c9 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -42,6 +42,9 @@ Authors, for copyright and licensing purposes.
    - Mike Klein
    - Sami Boukortt
    - Wan-Teh Chang
+ * Loongson Technology Corporation Ltd.
+   - GuXiWei
+   - ZhangLixia
 
 The build projects, the build scripts, the test scripts, and other
 files in the "ci", "projects", "scripts" and "tests" directories, have
diff --git a/Makefile.in b/Makefile.in
index df65b7156..337ea4e51 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -114,19 +114,22 @@ host_triplet = @host@
 @PNG_MIPS_MSA_TRUE@am__append_3 = mips/mips_init.c\
 @PNG_MIPS_MSA_TRUE@	mips/filter_msa_intrinsics.c
 
-@PNG_INTEL_SSE_TRUE@am__append_4 = intel/intel_init.c\
+@PNG_MIPS_MMI_TRUE@@PNG_MIPS_MSA_FALSE@am__append_4 = mips/mips_init.c
+@PNG_MIPS_MMI_TRUE@am__append_5 = mips/filter_mmi_inline_assembly.c
+@PNG_INTEL_SSE_TRUE@am__append_6 = intel/intel_init.c\
 @PNG_INTEL_SSE_TRUE@	intel/filter_sse2_intrinsics.c
 
-@PNG_POWERPC_VSX_TRUE@am__append_5 = powerpc/powerpc_init.c\
+@PNG_POWERPC_VSX_TRUE@am__append_7 = powerpc/powerpc_init.c\
 @PNG_POWERPC_VSX_TRUE@        powerpc/filter_vsx_intrinsics.c
 
 
 #   Versioned symbols and restricted exports
-@HAVE_LD_VERSION_SCRIPT_TRUE@@HAVE_SOLARIS_LD_TRUE@am__append_6 = -Wl,-M -Wl,libpng.vers
-@HAVE_LD_VERSION_SCRIPT_TRUE@@HAVE_SOLARIS_LD_FALSE@am__append_7 = -Wl,--version-script=libpng.vers
+@HAVE_LD_VERSION_SCRIPT_TRUE@@HAVE_SOLARIS_LD_TRUE@am__append_8 = -Wl,-M -Wl,libpng.vers
+@HAVE_LD_VERSION_SCRIPT_TRUE@@HAVE_SOLARIS_LD_FALSE@am__append_9 = -Wl,--version-script=libpng.vers
 #   Only restricted exports when possible
-@HAVE_LD_VERSION_SCRIPT_FALSE@am__append_8 = -export-symbols libpng.sym
-@DO_PNG_PREFIX_TRUE@am__append_9 = -DPNG_PREFIX='@PNG_PREFIX@'
+@HAVE_LD_VERSION_SCRIPT_FALSE@am__append_10 = -export-symbols libpng.sym
+@PNG_LOONGARCH_LSX_TRUE@am__append_11 = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx.la
+@DO_PNG_PREFIX_TRUE@am__append_12 = -DPNG_PREFIX='@PNG_PREFIX@'
 subdir = .
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/scripts/libtool.m4 \
@@ -179,8 +182,7 @@ am__uninstall_files_from_dir = { \
     || { echo " ( cd '$$dir' && rm -f" $$files ")"; \
          $(am__cd) "$$dir" && rm -f $$files; }; \
   }
-LTLIBRARIES = $(lib_LTLIBRARIES)
-libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LIBADD =
+LTLIBRARIES = $(lib_LTLIBRARIES) $(noinst_LTLIBRARIES)
 am__libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES_DIST = png.c \
 	pngerror.c pngget.c pngmem.c pngpread.c pngread.c pngrio.c \
 	pngrtran.c pngrutil.c pngset.c pngtrans.c pngwio.c pngwrite.c \
@@ -188,24 +190,28 @@ am__libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES_DIST = png.c \
 	pngpriv.h pngstruct.h pngusr.dfa arm/arm_init.c \
 	arm/filter_neon.S arm/filter_neon_intrinsics.c \
 	arm/palette_neon_intrinsics.c mips/mips_init.c \
-	mips/filter_msa_intrinsics.c intel/intel_init.c \
-	intel/filter_sse2_intrinsics.c powerpc/powerpc_init.c \
-	powerpc/filter_vsx_intrinsics.c
+	mips/filter_msa_intrinsics.c mips/filter_mmi_inline_assembly.c \
+	intel/intel_init.c intel/filter_sse2_intrinsics.c \
+	powerpc/powerpc_init.c powerpc/filter_vsx_intrinsics.c
 am__dirstamp = $(am__leading_dot)dirstamp
 @PNG_ARM_NEON_TRUE@am__objects_1 = arm/arm_init.lo arm/filter_neon.lo \
 @PNG_ARM_NEON_TRUE@	arm/filter_neon_intrinsics.lo \
 @PNG_ARM_NEON_TRUE@	arm/palette_neon_intrinsics.lo
 @PNG_MIPS_MSA_TRUE@am__objects_2 = mips/mips_init.lo \
 @PNG_MIPS_MSA_TRUE@	mips/filter_msa_intrinsics.lo
-@PNG_INTEL_SSE_TRUE@am__objects_3 = intel/intel_init.lo \
+@PNG_MIPS_MMI_TRUE@@PNG_MIPS_MSA_FALSE@am__objects_3 =  \
+@PNG_MIPS_MMI_TRUE@@PNG_MIPS_MSA_FALSE@	mips/mips_init.lo
+@PNG_MIPS_MMI_TRUE@am__objects_4 = mips/filter_mmi_inline_assembly.lo
+@PNG_INTEL_SSE_TRUE@am__objects_5 = intel/intel_init.lo \
 @PNG_INTEL_SSE_TRUE@	intel/filter_sse2_intrinsics.lo
-@PNG_POWERPC_VSX_TRUE@am__objects_4 = powerpc/powerpc_init.lo \
+@PNG_POWERPC_VSX_TRUE@am__objects_6 = powerpc/powerpc_init.lo \
 @PNG_POWERPC_VSX_TRUE@	powerpc/filter_vsx_intrinsics.lo
 am_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS = png.lo pngerror.lo \
 	pngget.lo pngmem.lo pngpread.lo pngread.lo pngrio.lo \
 	pngrtran.lo pngrutil.lo pngset.lo pngtrans.lo pngwio.lo \
 	pngwrite.lo pngwtran.lo pngwutil.lo $(am__objects_1) \
-	$(am__objects_2) $(am__objects_3) $(am__objects_4)
+	$(am__objects_2) $(am__objects_3) $(am__objects_4) \
+	$(am__objects_5) $(am__objects_6)
 nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS =
 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS =  \
 	$(am_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS) \
@@ -219,6 +225,19 @@ libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LINK = $(LIBTOOL) $(AM_V_lt) \
 	$(CCLD) $(AM_CFLAGS) $(CFLAGS) \
 	$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS) $(LDFLAGS) -o \
 	$@
+libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_LIBADD =
+am__libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_SOURCES_DIST =  \
+	loongarch/loongarch_lsx_init.c \
+	loongarch/filter_lsx_intrinsics.c
+@PNG_LOONGARCH_LSX_TRUE@am_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_OBJECTS = loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.lo \
+@PNG_LOONGARCH_LSX_TRUE@	loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.lo
+libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_OBJECTS =  \
+	$(am_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_OBJECTS)
+libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_LINK = $(LIBTOOL) $(AM_V_lt) \
+	--tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link \
+	$(CCLD) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_CFLAGS) \
+	$(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+@PNG_LOONGARCH_LSX_TRUE@am_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_rpath =
 am__png_fix_itxt_SOURCES_DIST = contrib/tools/png-fix-itxt.c
 @ENABLE_TOOLS_TRUE@am_png_fix_itxt_OBJECTS =  \
 @ENABLE_TOOLS_TRUE@	contrib/tools/png-fix-itxt.$(OBJEXT)
@@ -306,6 +325,9 @@ am__depfiles_remade = ./$(DEPDIR)/png.Plo ./$(DEPDIR)/pngerror.Plo \
 	contrib/tools/$(DEPDIR)/pngfix.Po \
 	intel/$(DEPDIR)/filter_sse2_intrinsics.Plo \
 	intel/$(DEPDIR)/intel_init.Plo \
+	loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.Plo \
+	loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.Plo \
+	mips/$(DEPDIR)/filter_mmi_inline_assembly.Plo \
 	mips/$(DEPDIR)/filter_msa_intrinsics.Plo \
 	mips/$(DEPDIR)/mips_init.Plo \
 	powerpc/$(DEPDIR)/filter_vsx_intrinsics.Plo \
@@ -341,11 +363,13 @@ am__v_CCLD_0 = @echo "  CCLD    " $@;
 am__v_CCLD_1 = 
 SOURCES = $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES) \
 	$(nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES) \
+	$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_SOURCES) \
 	$(png_fix_itxt_SOURCES) $(pngcp_SOURCES) $(pngfix_SOURCES) \
 	$(pngimage_SOURCES) $(pngstest_SOURCES) $(pngtest_SOURCES) \
 	$(pngunknown_SOURCES) $(pngvalid_SOURCES) $(timepng_SOURCES)
 DIST_SOURCES =  \
 	$(am__libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES_DIST) \
+	$(am__libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_SOURCES_DIST) \
 	$(am__png_fix_itxt_SOURCES_DIST) $(am__pngcp_SOURCES_DIST) \
 	$(am__pngfix_SOURCES_DIST) $(am__pngimage_SOURCES_DIST) \
 	$(am__pngstest_SOURCES_DIST) $(am__pngtest_SOURCES_DIST) \
@@ -799,14 +823,24 @@ libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c \
 	pngrutil.c pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c \
 	pngwutil.c png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h \
 	pngstruct.h pngusr.dfa $(am__append_2) $(am__append_3) \
-	$(am__append_4) $(am__append_5)
+	$(am__append_4) $(am__append_5) $(am__append_6) \
+	$(am__append_7)
+@PNG_LOONGARCH_LSX_TRUE@noinst_LTLIBRARIES = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx.la
+@PNG_LOONGARCH_LSX_TRUE@libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_SOURCES = loongarch/loongarch_lsx_init.c\
+@PNG_LOONGARCH_LSX_TRUE@	loongarch/filter_lsx_intrinsics.c
+
+@PNG_LOONGARCH_LSX_TRUE@libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_CFLAGS = -mlsx
+@PNG_LOONGARCH_LSX_TRUE@libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LIBADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx.la
+# libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx.la
 nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h
 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined \
 	-export-dynamic -version-number \
 	@PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0 \
-	$(am__append_6) $(am__append_7) $(am__append_8)
-@HAVE_LD_VERSION_SCRIPT_FALSE@libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
-@HAVE_LD_VERSION_SCRIPT_TRUE@libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
+	$(am__append_8) $(am__append_9) $(am__append_10)
+@HAVE_LD_VERSION_SCRIPT_FALSE@libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES =  \
+@HAVE_LD_VERSION_SCRIPT_FALSE@	libpng.sym $(am__append_11)
+@HAVE_LD_VERSION_SCRIPT_TRUE@libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES =  \
+@HAVE_LD_VERSION_SCRIPT_TRUE@	libpng.vers $(am__append_11)
 pkginclude_HEADERS = png.h pngconf.h
 nodist_pkginclude_HEADERS = pnglibconf.h
 pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
@@ -840,7 +874,7 @@ SUFFIXES = .chk .out
 SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0' \
 	-DPNGLIB_VERSION='@PNGLIB_VERSION@' \
 	-DSYMBOL_PREFIX='$(SYMBOL_PREFIX)' -DPNG_NO_USE_READ_MACROS \
-	-DPNG_BUILDING_SYMBOL_TABLE $(am__append_9)
+	-DPNG_BUILDING_SYMBOL_TABLE $(am__append_12)
 
 # EXT_LIST is a list of the possibly library directory extensions, this exists
 # because we can't find a good way of discovering the file extensions that are
@@ -997,6 +1031,17 @@ clean-libLTLIBRARIES:
 	  echo rm -f $${locs}; \
 	  rm -f $${locs}; \
 	}
+
+clean-noinstLTLIBRARIES:
+	-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
+	@list='$(noinst_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
 arm/$(am__dirstamp):
 	@$(MKDIR_P) arm
 	@: > arm/$(am__dirstamp)
@@ -1018,6 +1063,8 @@ mips/$(DEPDIR)/$(am__dirstamp):
 mips/mips_init.lo: mips/$(am__dirstamp) mips/$(DEPDIR)/$(am__dirstamp)
 mips/filter_msa_intrinsics.lo: mips/$(am__dirstamp) \
 	mips/$(DEPDIR)/$(am__dirstamp)
+mips/filter_mmi_inline_assembly.lo: mips/$(am__dirstamp) \
+	mips/$(DEPDIR)/$(am__dirstamp)
 intel/$(am__dirstamp):
 	@$(MKDIR_P) intel
 	@: > intel/$(am__dirstamp)
@@ -1041,6 +1088,19 @@ powerpc/filter_vsx_intrinsics.lo: powerpc/$(am__dirstamp) \
 
 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la: $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES) $(EXTRA_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES) 
 	$(AM_V_CCLD)$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LINK) -rpath $(libdir) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LIBADD) $(LIBS)
+loongarch/$(am__dirstamp):
+	@$(MKDIR_P) loongarch
+	@: > loongarch/$(am__dirstamp)
+loongarch/$(DEPDIR)/$(am__dirstamp):
+	@$(MKDIR_P) loongarch/$(DEPDIR)
+	@: > loongarch/$(DEPDIR)/$(am__dirstamp)
+loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.lo:  \
+	loongarch/$(am__dirstamp) loongarch/$(DEPDIR)/$(am__dirstamp)
+loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.lo:  \
+	loongarch/$(am__dirstamp) loongarch/$(DEPDIR)/$(am__dirstamp)
+
+libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx.la: $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_OBJECTS) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_DEPENDENCIES) $(EXTRA_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_DEPENDENCIES) 
+	$(AM_V_CCLD)$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_LINK) $(am_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_rpath) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_OBJECTS) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_LIBADD) $(LIBS)
 contrib/tools/$(am__dirstamp):
 	@$(MKDIR_P) contrib/tools
 	@: > contrib/tools/$(am__dirstamp)
@@ -1150,6 +1210,8 @@ mostlyclean-compile:
 	-rm -f contrib/tools/*.$(OBJEXT)
 	-rm -f intel/*.$(OBJEXT)
 	-rm -f intel/*.lo
+	-rm -f loongarch/*.$(OBJEXT)
+	-rm -f loongarch/*.lo
 	-rm -f mips/*.$(OBJEXT)
 	-rm -f mips/*.lo
 	-rm -f powerpc/*.$(OBJEXT)
@@ -1188,6 +1250,9 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@contrib/tools/$(DEPDIR)/pngfix.Po@am__quote@ # am--include-marker
 @AMDEP_TRUE@@am__include@ @am__quote@intel/$(DEPDIR)/filter_sse2_intrinsics.Plo@am__quote@ # am--include-marker
 @AMDEP_TRUE@@am__include@ @am__quote@intel/$(DEPDIR)/intel_init.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@mips/$(DEPDIR)/filter_mmi_inline_assembly.Plo@am__quote@ # am--include-marker
 @AMDEP_TRUE@@am__include@ @am__quote@mips/$(DEPDIR)/filter_msa_intrinsics.Plo@am__quote@ # am--include-marker
 @AMDEP_TRUE@@am__include@ @am__quote@mips/$(DEPDIR)/mips_init.Plo@am__quote@ # am--include-marker
 @AMDEP_TRUE@@am__include@ @am__quote@powerpc/$(DEPDIR)/filter_vsx_intrinsics.Plo@am__quote@ # am--include-marker
@@ -1247,6 +1312,20 @@ am--depfiles: $(am__depfiles_remade)
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
 
+loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.lo: loongarch/loongarch_lsx_init.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_CFLAGS) $(CFLAGS) -MT loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.lo -MD -MP -MF loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.Tpo -c -o loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.lo `test -f 'loongarch/loongarch_lsx_init.c' || echo '$(srcdir)/'`loongarch/loongarch_lsx_init.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.Tpo loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='loongarch/loongarch_lsx_init.c' object='loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_CFLAGS) $(CFLAGS) -c -o loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.lo `test -f 'loongarch/loongarch_lsx_init.c' || echo '$(srcdir)/'`loongarch/loongarch_lsx_init.c
+
+loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.lo: loongarch/filter_lsx_intrinsics.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_CFLAGS) $(CFLAGS) -MT loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.lo -MD -MP -MF loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.Tpo -c -o loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.lo `test -f 'loongarch/filter_lsx_intrinsics.c' || echo '$(srcdir)/'`loongarch/filter_lsx_intrinsics.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.Tpo loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='loongarch/filter_lsx_intrinsics.c' object='loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la_CFLAGS) $(CFLAGS) -c -o loongarch/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.lo `test -f 'loongarch/filter_lsx_intrinsics.c' || echo '$(srcdir)/'`loongarch/filter_lsx_intrinsics.c
+
 mostlyclean-libtool:
 	-rm -f *.lo
 
@@ -1254,6 +1333,7 @@ clean-libtool:
 	-rm -rf .libs _libs
 	-rm -rf arm/.libs arm/_libs
 	-rm -rf intel/.libs intel/_libs
+	-rm -rf loongarch/.libs loongarch/_libs
 	-rm -rf mips/.libs mips/_libs
 	-rm -rf powerpc/.libs powerpc/_libs
 
@@ -2076,6 +2156,8 @@ distclean-generic:
 	-rm -f contrib/tools/$(am__dirstamp)
 	-rm -f intel/$(DEPDIR)/$(am__dirstamp)
 	-rm -f intel/$(am__dirstamp)
+	-rm -f loongarch/$(DEPDIR)/$(am__dirstamp)
+	-rm -f loongarch/$(am__dirstamp)
 	-rm -f mips/$(DEPDIR)/$(am__dirstamp)
 	-rm -f mips/$(am__dirstamp)
 	-rm -f powerpc/$(DEPDIR)/$(am__dirstamp)
@@ -2092,7 +2174,8 @@ maintainer-clean-generic:
 clean: clean-am
 
 clean-am: clean-binPROGRAMS clean-checkPROGRAMS clean-generic \
-	clean-libLTLIBRARIES clean-libtool mostlyclean-am
+	clean-libLTLIBRARIES clean-libtool clean-noinstLTLIBRARIES \
+	mostlyclean-am
 
 distclean: distclean-am
 	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
@@ -2126,6 +2209,9 @@ distclean: distclean-am
 	-rm -f contrib/tools/$(DEPDIR)/pngfix.Po
 	-rm -f intel/$(DEPDIR)/filter_sse2_intrinsics.Plo
 	-rm -f intel/$(DEPDIR)/intel_init.Plo
+	-rm -f loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.Plo
+	-rm -f loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.Plo
+	-rm -f mips/$(DEPDIR)/filter_mmi_inline_assembly.Plo
 	-rm -f mips/$(DEPDIR)/filter_msa_intrinsics.Plo
 	-rm -f mips/$(DEPDIR)/mips_init.Plo
 	-rm -f powerpc/$(DEPDIR)/filter_vsx_intrinsics.Plo
@@ -2211,6 +2297,9 @@ maintainer-clean: maintainer-clean-am
 	-rm -f contrib/tools/$(DEPDIR)/pngfix.Po
 	-rm -f intel/$(DEPDIR)/filter_sse2_intrinsics.Plo
 	-rm -f intel/$(DEPDIR)/intel_init.Plo
+	-rm -f loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-filter_lsx_intrinsics.Plo
+	-rm -f loongarch/$(DEPDIR)/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@lsx_la-loongarch_lsx_init.Plo
+	-rm -f mips/$(DEPDIR)/filter_mmi_inline_assembly.Plo
 	-rm -f mips/$(DEPDIR)/filter_msa_intrinsics.Plo
 	-rm -f mips/$(DEPDIR)/mips_init.Plo
 	-rm -f powerpc/$(DEPDIR)/filter_vsx_intrinsics.Plo
@@ -2245,18 +2334,18 @@ uninstall-man: uninstall-man3 uninstall-man5
 .PHONY: CTAGS GTAGS TAGS all all-am am--depfiles am--refresh check \
 	check-TESTS check-am clean clean-binPROGRAMS \
 	clean-checkPROGRAMS clean-cscope clean-generic \
-	clean-libLTLIBRARIES clean-libtool cscope cscopelist-am ctags \
-	ctags-am dist dist-all dist-bzip2 dist-gzip dist-hook \
-	dist-lzip dist-shar dist-tarZ dist-xz dist-zip dist-zstd \
-	distcheck distclean distclean-compile distclean-generic \
-	distclean-hdr distclean-libtool distclean-tags distcleancheck \
-	distdir distuninstallcheck dvi dvi-am html html-am info \
-	info-am install install-am install-binPROGRAMS \
-	install-binSCRIPTS install-data install-data-am \
-	install-data-hook install-dvi install-dvi-am install-exec \
-	install-exec-am install-exec-hook install-html install-html-am \
-	install-info install-info-am install-libLTLIBRARIES \
-	install-man install-man3 install-man5 \
+	clean-libLTLIBRARIES clean-libtool clean-noinstLTLIBRARIES \
+	cscope cscopelist-am ctags ctags-am dist dist-all dist-bzip2 \
+	dist-gzip dist-hook dist-lzip dist-shar dist-tarZ dist-xz \
+	dist-zip dist-zstd distcheck distclean distclean-compile \
+	distclean-generic distclean-hdr distclean-libtool \
+	distclean-tags distcleancheck distdir distuninstallcheck dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-binPROGRAMS install-binSCRIPTS install-data \
+	install-data-am install-data-hook install-dvi install-dvi-am \
+	install-exec install-exec-am install-exec-hook install-html \
+	install-html-am install-info install-info-am \
+	install-libLTLIBRARIES install-man install-man3 install-man5 \
 	install-nodist_pkgincludeHEADERS install-pdf install-pdf-am \
 	install-pkgconfigDATA install-pkgincludeHEADERS install-ps \
 	install-ps-am install-strip installcheck installcheck-am \
diff --git a/config.h.in b/config.h.in
index 3309c9fd5..e9b59583f 100644
--- a/config.h.in
+++ b/config.h.in
@@ -78,6 +78,18 @@
 /* Enable Intel SSE optimizations */
 #undef PNG_INTEL_SSE_OPT
 
+/* Enable LOONGARCH LSX optimizations */
+#undef PNG_LOONGARCH_LSX_OPT
+
+/* Turn on MIPS MMI optimizations at run-time */
+#undef PNG_MIPS_MMI_API_SUPPORTED
+
+/* Check for MIPS MMI support at run-time */
+#undef PNG_MIPS_MMI_CHECK_SUPPORTED
+
+/* Enable MIPS MMI optimizations */
+#undef PNG_MIPS_MMI_OPT
+
 /* Turn on MIPS MSA optimizations at run-time */
 #undef PNG_MIPS_MSA_API_SUPPORTED
 
diff --git a/configure b/configure
index ca5b8cbd5..3168cc868 100755
--- a/configure
+++ b/configure
@@ -663,10 +663,14 @@ ac_subst_vars='am__EXEEXT_FALSE
 am__EXEEXT_TRUE
 LTLIBOBJS
 LIBOBJS
+PNG_LOONGARCH_LSX_FALSE
+PNG_LOONGARCH_LSX_TRUE
 PNG_POWERPC_VSX_FALSE
 PNG_POWERPC_VSX_TRUE
 PNG_INTEL_SSE_FALSE
 PNG_INTEL_SSE_TRUE
+PNG_MIPS_MMI_FALSE
+PNG_MIPS_MMI_TRUE
 PNG_MIPS_MSA_FALSE
 PNG_MIPS_MSA_TRUE
 PNG_ARM_NEON_FALSE
@@ -853,8 +857,10 @@ enable_unversioned_libpng_config
 enable_hardware_optimizations
 enable_arm_neon
 enable_mips_msa
+enable_mips_mmi
 enable_intel_sse
 enable_powerpc_vsx
+enable_loongarch_lsx
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1559,6 +1565,13 @@ Optional Features:
                           call to png_set_option; yes/on: turn on
                           unconditionally. If not specified: determined by the
                           compiler.
+  --enable-mips-mmi     Enable MIPS MMI optimizations: =no/off, check, api,
+                          yes/on: no/off: disable the optimizations; check:
+                          use internal checking code (deprecated and poorly
+                          supported); api: disable by default, enable by a
+                          call to png_set_option; yes/on: turn on
+                          unconditionally. If not specified: determined by the
+                          compiler.
   --enable-intel-sse    Enable Intel SSE optimizations: =no/off, yes/on:
                           no/off: disable the optimizations; yes/on: enable
                           the optimizations. If not specified: determined by
@@ -1569,6 +1582,11 @@ Optional Features:
                           default, enable by a call to png_set_option yes/on:
                           turn on unconditionally. If not specified:
                           determined by the compiler.
+  --enable-loongarch-lsx
+                          Enable LOONGARCH LSX optimizations: =no/off, yes/on:
+                          no/off: disable the optimizations; yes/on: turn on
+                          unconditionally. If not specified: determined by the
+                          compiler.
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -14098,6 +14116,10 @@ printf "%s\n" "#define PNG_ARM_NEON_OPT 0" >>confdefs.h
 
 printf "%s\n" "#define PNG_MIPS_MSA_OPT 0" >>confdefs.h
 
+         enable_mips_mmi=no
+
+printf "%s\n" "#define PNG_MIPS_MMI_OPT 0" >>confdefs.h
+
          enable_powerpc_vsx=no
 
 printf "%s\n" "#define PNG_POWERPC_VSX_OPT 0" >>confdefs.h
@@ -14106,6 +14128,10 @@ printf "%s\n" "#define PNG_POWERPC_VSX_OPT 0" >>confdefs.h
 
 printf "%s\n" "#define PNG_INTEL_SSE_OPT 0" >>confdefs.h
 
+         enable_loongarch_lsx=no
+
+printf "%s\n" "#define PNG_LOONGARCH_LSX_OPT 0" >>confdefs.h
+
          ;;
       *)
          # allow enabling hardware optimization on any system:
@@ -14117,8 +14143,12 @@ printf "%s\n" "#define PNG_ARM_NEON_OPT 2" >>confdefs.h
 
               ;;
             mipsel*|mips64el*)
+              enable_mips_mmi=yes
               enable_mips_msa=yes
 
+printf "%s\n" "#define PNG_MIPS_MMI_OPT 1" >>confdefs.h
+
+
 printf "%s\n" "#define PNG_MIPS_MSA_OPT 2" >>confdefs.h
 
               ;;
@@ -14133,6 +14163,12 @@ printf "%s\n" "#define PNG_INTEL_SSE_OPT 1" >>confdefs.h
 
 printf "%s\n" "#define PNG_POWERPC_VSX_OPT 2" >>confdefs.h
 
+              ;;
+            loongarch*)
+              enable_loongarch_lsx=yes
+
+printf "%s\n" "#define PNG_LOONGARCH_LSX_OPT 1" >>confdefs.h
+
               ;;
          esac
          ;;
@@ -14253,6 +14289,62 @@ else
 fi
 
 
+# MIPS
+# ===
+#
+# MIPS MMI (SIMD) support.
+
+# Check whether --enable-mips-mmi was given.
+if test ${enable_mips_mmi+y}
+then :
+  enableval=$enable_mips_mmi; case "$enableval" in
+      no|off)
+         # disable the default enabling on __mips_mmi systems:
+
+printf "%s\n" "#define PNG_MIPS_MMI_OPT 0" >>confdefs.h
+
+         # Prevent inclusion of the assembler files below:
+         enable_mips_mmi=no;;
+      check)
+
+printf "%s\n" "#define PNG_MIPS_MMI_CHECK_SUPPORTED /**/" >>confdefs.h
+;;
+      api)
+
+printf "%s\n" "#define PNG_MIPS_MMI_API_SUPPORTED /**/" >>confdefs.h
+;;
+      yes|on)
+
+printf "%s\n" "#define PNG_MIPS_MMI_OPT 1" >>confdefs.h
+
+         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: --enable-mips-mmi: please specify 'check' or 'api', if
+            you want the optimizations unconditionally pass '-mloongson-mmi -march=loongson3a'
+            to the compiler." >&5
+printf "%s\n" "$as_me: WARNING: --enable-mips-mmi: please specify 'check' or 'api', if
+            you want the optimizations unconditionally pass '-mloongson-mmi -march=loongson3a'
+            to the compiler." >&2;};;
+      *)
+         as_fn_error $? "--enable-mips-mmi=${enable_mips_mmi}: invalid value" "$LINENO" 5
+   esac
+fi
+
+
+# Add MIPS specific files to all builds where the host_cpu is mips ('mips*') or
+# where MIPS optimizations were explicitly requested (this allows a fallback if a
+# future host CPU does not match 'mips*')
+
+ if test "$enable_mips_mmi" != 'no' &&
+    case "$host_cpu" in
+      mipsel*|mips64el*) :;;
+    esac; then
+  PNG_MIPS_MMI_TRUE=
+  PNG_MIPS_MMI_FALSE='#'
+else
+  PNG_MIPS_MMI_TRUE='#'
+  PNG_MIPS_MMI_FALSE=
+fi
+
+
 # INTEL
 # =====
 #
@@ -14355,6 +14447,89 @@ else
 fi
 
 
+# LOONGARCH
+# ===
+#
+# LOONGARCH LSX (SIMD) support
+
+if test "$LSX_CFLAGS" = ''; then
+    LSX_CFLAGS="-mlsx"
+fi
+
+compiler_support_loongarch_lsx=no
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to use loongarch LSX intrinsics" >&5
+printf %s "checking whether to use loongarch LSX intrinsics... " >&6; }
+save_CFLAGS=$CFLAGS
+CFLAGS="$CFLAGS $LSX_CFLAGS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include<lsxintrin.h>
+int main(){
+    __m128i a, b, c;
+    a = __lsx_vadd_w(b, c);
+    return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  compiler_support_loongarch_lsx=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+CFLAGS=$save_CFLAGS
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $compiler_support_loongarch_lsx" >&5
+printf "%s\n" "$compiler_support_loongarch_lsx" >&6; }
+
+# Check whether --enable-loongarch-lsx was given.
+if test ${enable_loongarch_lsx+y}
+then :
+  enableval=$enable_loongarch_lsx; case "$enableval" in
+      no|off)
+         # disable the default enabling on __loongarch_simd systems:
+
+printf "%s\n" "#define PNG_LOONGARCH_LSX_OPT 0" >>confdefs.h
+
+         # Prevent inclusion of the assembler files below:
+         enable_loongarch_lsx=no;;
+      yes|on)
+
+printf "%s\n" "#define PNG_LOONGARCH_LSX_OPT 1" >>confdefs.h
+
+         ;;
+      *)
+         as_fn_error $? "--enable-loongarch-lsx=${enable_loongarch_lsx}: invalid value" "$LINENO" 5
+   esac
+fi
+
+
+if test "$enable_loongarch_lsx" != 'no'; then
+   if test $compiler_support_loongarch_lsx = yes; then
+
+printf "%s\n" "#define PNG_LOONGARCH_LSX_OPT 1" >>confdefs.h
+
+   else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Compiler does not support loongarch LSX." >&5
+printf "%s\n" "$as_me: WARNING: Compiler does not support loongarch LSX." >&2;}
+   fi
+fi
+
+# Add LOONGARCH specific files to all builds where the host_cpu is loongarch ('loongarch*') or
+# where LOONGARCH optimizations were explicitly requested (this allows a fallback if a
+# future host CPU does not match 'loongarch*')
+
+ if test "$enable_loongarch_lsx" != 'no' && test $compiler_support_loongarch_lsx = yes &&
+    case "$host_cpu" in
+      loongarch*) :;;
+      *)    test "$enable_loongarch_lsx" != '';;
+    esac; then
+  PNG_LOONGARCH_LSX_TRUE=
+  PNG_LOONGARCH_LSX_FALSE='#'
+else
+  PNG_LOONGARCH_LSX_TRUE='#'
+  PNG_LOONGARCH_LSX_FALSE=
+fi
+
+
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Extra options for compiler: $PNG_COPTS" >&5
 printf "%s\n" "$as_me: Extra options for compiler: $PNG_COPTS" >&6;}
 
@@ -14549,6 +14724,10 @@ if test -z "${PNG_MIPS_MSA_TRUE}" && test -z "${PNG_MIPS_MSA_FALSE}"; then
   as_fn_error $? "conditional \"PNG_MIPS_MSA\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${PNG_MIPS_MMI_TRUE}" && test -z "${PNG_MIPS_MMI_FALSE}"; then
+  as_fn_error $? "conditional \"PNG_MIPS_MMI\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${PNG_INTEL_SSE_TRUE}" && test -z "${PNG_INTEL_SSE_FALSE}"; then
   as_fn_error $? "conditional \"PNG_INTEL_SSE\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -14557,6 +14736,10 @@ if test -z "${PNG_POWERPC_VSX_TRUE}" && test -z "${PNG_POWERPC_VSX_FALSE}"; then
   as_fn_error $? "conditional \"PNG_POWERPC_VSX\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${PNG_LOONGARCH_LSX_TRUE}" && test -z "${PNG_LOONGARCH_LSX_FALSE}"; then
+  as_fn_error $? "conditional \"PNG_LOONGARCH_LSX\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 
 : "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
diff --git a/contrib/mips-mmi/linux.c b/contrib/mips-mmi/linux.c
index 5bb79a60b..31525fde9 100644
--- a/contrib/mips-mmi/linux.c
+++ b/contrib/mips-mmi/linux.c
@@ -1,12 +1,14 @@
+
 /* contrib/mips-mmi/linux.c
  *
- * Written by guxiwei 2023
+ * Copyright (c) 2024 Cosmin Truta
+ * Written by guxiwei, 2023
  *
  * This code is released under the libpng license.
  * For conditions of distribution and use, see the disclaimer
  * and license in png.h
- *
  */
+
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/mips/filter_mmi_inline_assembly.c b/mips/filter_mmi_inline_assembly.c
index 06cb1cc78..b330a4653 100644
--- a/mips/filter_mmi_inline_assembly.c
+++ b/mips/filter_mmi_inline_assembly.c
@@ -1,6 +1,7 @@
 /* filter_mmi_intrinsics.c - MMI optimized filter functions
  *
- * Written by zhanglixia and guxiwei
+ * Copyright (c) 2024 Cosmin Truta
+ * Written by zhanglixia and guxiwei, 2023
  *
  * This code is released under the libpng license.
  * For conditions of distribution and use, see the disclaimer
diff --git a/mips/filter_msa_intrinsics.c b/mips/filter_msa_intrinsics.c
index 0dab816f2..1b734f4d9 100644
--- a/mips/filter_msa_intrinsics.c
+++ b/mips/filter_msa_intrinsics.c
@@ -1,9 +1,9 @@
 
 /* filter_msa_intrinsics.c - MSA optimised filter functions
  *
- * Copyright (c) 2018 Cosmin Truta
+ * Copyright (c) 2018-2024 Cosmin Truta
  * Copyright (c) 2016 Glenn Randers-Pehrson
- * Written by Mandar Sahastrabuddhe, August 2016.
+ * Written by Mandar Sahastrabuddhe, August 2016
  *
  * This code is released under the libpng license.
  * For conditions of distribution and use, see the disclaimer
@@ -379,8 +379,8 @@ void png_read_filter_row_up_msa(png_row_infop row_info, png_bytep row,
       LD_UB4(pp, 16, src4, src5, src6, src7);
       pp += 64;
 
-	  ADD4(src0, src4, src1, src5, src2, src6, src3, src7,
-	       src0, src1, src2, src3);
+      ADD4(src0, src4, src1, src5, src2, src6, src3, src7,
+           src0, src1, src2, src3);
 
       ST_UB4(src0, src1, src2, src3, rp, 16);
       rp += 64;
@@ -400,7 +400,7 @@ void png_read_filter_row_up_msa(png_row_infop row_info, png_bytep row,
             LD_UB4(pp, 16, src4, src5, src6, src7);
 
             ADD4(src0, src4, src1, src5, src2, src6, src3, src7,
-	             src0, src1, src2, src3);
+                 src0, src1, src2, src3);
 
             ST_UB4(src0, src1, src2, src3, rp, 16);
             rp += 64;
@@ -425,7 +425,7 @@ void png_read_filter_row_up_msa(png_row_infop row_info, png_bytep row,
             LD_UB2(rp, 16, src0, src1);
             LD_UB2(pp, 16, src4, src5);
 
-			ADD2(src0, src4, src1, src5, src0, src1);
+            ADD2(src0, src4, src1, src5, src0, src1);
 
             ST_UB2(src0, src1, rp, 16);
             rp += 32;
diff --git a/mips/mips_init.c b/mips/mips_init.c
index 20a9fa8f5..bb8db07d6 100644
--- a/mips/mips_init.c
+++ b/mips/mips_init.c
@@ -1,10 +1,10 @@
 
 /* mips_init.c - MSA optimised filter functions
  *
- * Copyright (c) 2018 Cosmin Truta
+ * Copyright (c) 2018-2024 Cosmin Truta
  * Copyright (c) 2016 Glenn Randers-Pehrson
- * Written by Mandar Sahastrabuddhe, 2016.
- * Update by guxiwei, 2023.
+ * Written by Mandar Sahastrabuddhe, 2016
+ * Updated by guxiwei, 2023
  *
  * This code is released under the libpng license.
  * For conditions of distribution and use, see the disclaimer
diff --git a/scripts/pnglibconf.h.prebuilt b/scripts/pnglibconf.h.prebuilt
index a3f8d65f8..06ecdd669 100644
--- a/scripts/pnglibconf.h.prebuilt
+++ b/scripts/pnglibconf.h.prebuilt
@@ -41,6 +41,10 @@
 #define PNG_INCH_CONVERSIONS_SUPPORTED
 #define PNG_INFO_IMAGE_SUPPORTED
 #define PNG_IO_STATE_SUPPORTED
+/*#undef PNG_MIPS_MMI_API_SUPPORTED*/
+/*#undef PNG_MIPS_MMI_CHECK_SUPPORTED*/
+/*#undef PNG_MIPS_MSA_API_SUPPORTED*/
+/*#undef PNG_MIPS_MSA_CHECK_SUPPORTED*/
 #define PNG_MNG_FEATURES_SUPPORTED
 #define PNG_POINTER_INDEXING_SUPPORTED
 /*#undef PNG_POWERPC_VSX_API_SUPPORTED*/