From 07f2d4237eade624182b1cf11f1f516985aed620 Mon Sep 17 00:00:00 2001 From: Ilya Leoshkevich Date: Wed, 10 Sep 2025 11:28:03 +0200 Subject: Vectorize the CRC-32 calculation on the s390x. Use vector extensions when compiling for s390x and binutils knows about them. At runtime, check whether kernel supports vector extensions (it has to be not just the CPU, but also the kernel) and choose between the regular and the vectorized implementations. Co-authored-by: Eduard Stefes --- Makefile.in | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'Makefile.in') diff --git a/Makefile.in b/Makefile.in index 52d5c2c4..d9de5630 100644 --- a/Makefile.in +++ b/Makefile.in @@ -27,6 +27,7 @@ LDFLAGS= TEST_LIBS=-L. libz.a LDSHARED=$(CC) CPP=$(CC) -E +VGFMAFLAG= STATICLIB=libz.a SHAREDLIB=libz.so @@ -164,6 +165,9 @@ adler32.o: $(SRCDIR)adler32.c crc32.o: $(SRCDIR)crc32.c $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)crc32.c +crc32_vx.o: $(SRCDIR)contrib/crc32vx/crc32_vx.c + $(CC) $(CFLAGS) $(VGFMAFLAG) $(ZINC) -c -o $@ $(SRCDIR)contrib/crc32vx/crc32_vx.c + deflate.o: $(SRCDIR)deflate.c $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)deflate.c @@ -214,6 +218,11 @@ crc32.lo: $(SRCDIR)crc32.c $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/crc32.o $(SRCDIR)crc32.c -@mv objs/crc32.o $@ +crc32_vx.lo: $(SRCDIR)contrib/crc32vx/crc32_vx.c + -@mkdir objs 2>/dev/null || test -d objs + $(CC) $(SFLAGS) $(VGFMAFLAG) $(ZINC) -DPIC -c -o objs/crc32_vx.o $(SRCDIR)contrib/crc32vx/crc32_vx.c + -@mv objs/crc32_vx.o $@ + deflate.lo: $(SRCDIR)deflate.c -@mkdir objs 2>/dev/null || test -d objs $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/deflate.o $(SRCDIR)deflate.c @@ -406,6 +415,7 @@ infback.o inflate.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees. inffast.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h $(SRCDIR)inflate.h $(SRCDIR)inffast.h inftrees.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h trees.o: $(SRCDIR)deflate.h $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)trees.h +crc32_vx.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)contrib/crc32vx/crc32_vx_hooks.h adler32.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h zutil.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)gzguts.h @@ -417,3 +427,4 @@ infback.lo inflate.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftree inffast.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h $(SRCDIR)inflate.h $(SRCDIR)inffast.h inftrees.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h trees.lo: $(SRCDIR)deflate.h $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)trees.h +crc32_vx.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)contrib/crc32vx/crc32_vx_hooks.h \ No newline at end of file -- cgit v1.2.3-55-g6feb