From: Mika Lindqvist Date: Mon, 14 Sep 2020 15:40:35 +0000 (+0300) Subject: Remove chunkmemset_3 and chunkmemset_6 on ARM/AArch64 as they need 3 chunks... X-Git-Tag: 1.9.9-b1~27 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6575fbffea85fcfabc8644bdf21043e1fb408acb;p=thirdparty%2Fzlib-ng.git Remove chunkmemset_3 and chunkmemset_6 on ARM/AArch64 as they need 3 chunks... * Don't unroll distances smaller than chunk size. --- diff --git a/CMakeLists.txt b/CMakeLists.txt index 36e07099..2473115e 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1252,6 +1252,12 @@ if(ZLIB_ENABLE_TESTS) "-DDECOMPRESS_TARGET=${MINIGZIP_COMMAND}" -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/data/lcet10.txt -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) + + add_test(NAME GH-751 + COMMAND ${CMAKE_COMMAND} + "-DTARGET=${MINIGZIP_COMMAND}" + -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/GH-751/test.txt + -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) endif() FEATURE_SUMMARY(WHAT ALL INCLUDE_QUIET_PACKAGES) diff --git a/arch/arm/chunkset_neon.c b/arch/arm/chunkset_neon.c index f2da73af..e9cbcb1b 100644 --- a/arch/arm/chunkset_neon.c +++ b/arch/arm/chunkset_neon.c @@ -15,7 +15,6 @@ typedef uint8x16_t chunk_t; #define HAVE_CHUNKMEMSET_1 #define HAVE_CHUNKMEMSET_2 -#define HAVE_CHUNKMEMSET_3 #define HAVE_CHUNKMEMSET_4 #define HAVE_CHUNKMEMSET_8 @@ -42,77 +41,6 @@ static inline void chunkmemset_8(uint8_t *from, chunk_t *chunk) { #define CHUNKMEMSET chunkmemset_neon #define CHUNKMEMSET_SAFE chunkmemset_safe_neon -uint8_t* CHUNKCOPY(uint8_t *out, uint8_t const *from, unsigned len); -uint8_t* CHUNKUNROLL(uint8_t *out, unsigned *dist, unsigned *len); - -static inline uint8_t *chunkmemset_3(uint8_t *out, uint8_t *from, unsigned dist, unsigned len) { - uint8x8x3_t chunks; - unsigned sz = sizeof(chunks); - if (len < sz) { - out = CHUNKUNROLL(out, &dist, &len); - return CHUNKCOPY(out, out - dist, len); - } - - /* Load 3 bytes 'a,b,c' from FROM and duplicate across all lanes: - chunks[0] = {a,a,a,a,a,a,a,a} - chunks[1] = {b,b,b,b,b,b,b,b} - chunks[2] = {c,c,c,c,c,c,c,c}. */ - chunks = vld3_dup_u8(from); - - unsigned rem = len % sz; - len -= rem; - while (len) { - /* Store "a,b,c, ..., a,b,c". */ - vst3_u8(out, chunks); - out += sz; - len -= sz; - } - - if (!rem) - return out; - - /* Last, deal with the case when LEN is not a multiple of SZ. */ - out = CHUNKUNROLL(out, &dist, &rem); - return CHUNKCOPY(out, out - dist, rem); -} - -#if defined(__aarch64__) || defined(_M_ARM64) - -#define HAVE_CHUNKMEMSET_6 - -static inline uint8_t *chunkmemset_6(uint8_t *out, uint8_t *from, unsigned dist, unsigned len) { - uint16x8x3_t chunks; - unsigned sz = sizeof(chunks); - if (len < sz) { - out = CHUNKUNROLL(out, &dist, &len); - return CHUNKCOPY(out, out - dist, len); - } - - /* Load 6 bytes 'ab,cd,ef' from FROM and duplicate across all lanes: - chunks[0] = {ab,ab,ab,ab,ab,ab,ab,ab} - chunks[1] = {cd,cd,cd,cd,cd,cd,cd,cd} - chunks[2] = {ef,ef,ef,ef,ef,ef,ef,ef}. */ - chunks = vld3q_dup_u16((unsigned short *)from); - - unsigned rem = len % sz; - len -= rem; - while (len) { - /* Store "ab,cd,ef, ..., ab,cd,ef". */ - vst3q_u16((unsigned short *)out, chunks); - out += sz; - len -= sz; - } - - if (!rem) - return out; - - /* Last, deal with the case when LEN is not a multiple of SZ. */ - out = CHUNKUNROLL(out, &dist, &rem); - return CHUNKCOPY(out, out - dist, rem); -} - -#endif - static inline void loadchunk(uint8_t const *s, chunk_t *chunk) { *chunk = vld1q_u8(s); } diff --git a/chunkset_tpl.h b/chunkset_tpl.h index 60a8b48f..29e514fb 100644 --- a/chunkset_tpl.h +++ b/chunkset_tpl.h @@ -115,21 +115,11 @@ Z_INTERNAL uint8_t* CHUNKMEMSET(uint8_t *out, unsigned dist, unsigned len) { chunkmemset_2(from, &chunk); } else #endif -#ifdef HAVE_CHUNKMEMSET_3 - if (dist == 3) { - return chunkmemset_3(out, from, dist, len); - } else -#endif #ifdef HAVE_CHUNKMEMSET_4 if (dist == 4) { chunkmemset_4(from, &chunk); } else #endif -#ifdef HAVE_CHUNKMEMSET_6 - if (dist == 6) { - return chunkmemset_6(out, from, dist, len); - } else -#endif #ifdef HAVE_CHUNKMEMSET_8 if (dist == 8) { chunkmemset_8(from, &chunk); @@ -137,6 +127,16 @@ Z_INTERNAL uint8_t* CHUNKMEMSET(uint8_t *out, unsigned dist, unsigned len) { #endif if (dist == sz) { loadchunk(from, &chunk); + } else if (dist < sz) { + unsigned char *end = out + len - 1; + while (len > dist) { + out = CHUNKCOPY_SAFE(out, from, dist, end); + len -= dist; + } + if (len > 0) { + out = CHUNKCOPY_SAFE(out, from, len, end); + } + return out; } else { out = CHUNKUNROLL(out, &dist, &len); return CHUNKCOPY(out, out - dist, len); diff --git a/test/GH-751/test.txt b/test/GH-751/test.txt new file mode 100644 index 00000000..ef2143ec --- /dev/null +++ b/test/GH-751/test.txt @@ -0,0 +1 @@ +abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabca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c diff --git a/test/Makefile.in b/test/Makefile.in index 439ba7d6..97b8be75 100644 --- a/test/Makefile.in +++ b/test/Makefile.in @@ -91,7 +91,7 @@ CVE-2003-0107$(EXE): CVE-2003-0107.o $(CC) $(CFLAGS) -o $@ CVE-2003-0107.o $(TEST_LDFLAGS) .PHONY: ghtests -ghtests: testGH-361 testGH-364 +ghtests: testGH-361 testGH-364 testGH-751 .PHONY: testGH-361 testGH-361: @@ -104,6 +104,10 @@ switchlevels$(EXE): $(SRCDIR)/switchlevels.c testGH-364: switchlevels$(EXE) $(QEMU_RUN) ./switchlevels$(EXE) 1 5 9 3 <$(SRCDIR)/GH-364/test.bin >/dev/null +.PHONY: testGH-751 +testGH-751: + $(QEMU_RUN) ../minigzip$(EXE) <$(SRCDIR)/GH-751/test.txt | $(QEMU_RUN) ../minigzip$(EXE) -d >/dev/null + clean: rm -f *.o *.gcda *.gcno *.gcov rm -f CVE-2003-0107$(EXE) switchlevels$(EXE)