diff options
Diffstat (limited to 'import-layers/yocto-poky/meta/recipes-support/lzo/lzo/0001-Use-memcpy-instead-of-reinventing-it.patch')
| -rw-r--r-- | import-layers/yocto-poky/meta/recipes-support/lzo/lzo/0001-Use-memcpy-instead-of-reinventing-it.patch | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/import-layers/yocto-poky/meta/recipes-support/lzo/lzo/0001-Use-memcpy-instead-of-reinventing-it.patch b/import-layers/yocto-poky/meta/recipes-support/lzo/lzo/0001-Use-memcpy-instead-of-reinventing-it.patch deleted file mode 100644 index db3a70e80..000000000 --- a/import-layers/yocto-poky/meta/recipes-support/lzo/lzo/0001-Use-memcpy-instead-of-reinventing-it.patch +++ /dev/null @@ -1,70 +0,0 @@ -From: Simon McVittie <smcv@debian.org> -Date: Sun, 23 Nov 2014 22:50:33 +0000 -Subject: Use memcpy() instead of reinventing it - -gcc inlines memcpy() with results as fast as handwritten code (at -least in my brief testing with lzop), and knows the alignment -constraints for our architectures. - -Change suggested by Julian Taylor. - -Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=757037 - -Upstream-Status: Pending -Signed-off-by: Saul Wold <sgw@linux.intel.com> ---- - minilzo/minilzo.c | 14 ++++++++++++++ - src/lzo_func.h | 14 ++++++++++++++ - 2 files changed, 28 insertions(+) - - -diff --git a/minilzo/minilzo.c b/minilzo/minilzo.c -index ab2be5f..6913c2f 100644 ---- a/minilzo/minilzo.c -+++ b/minilzo/minilzo.c -@@ -3523,6 +3523,20 @@ LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(*(lzo_memops_TU8p)0)==8) - if ((void)0, n__n > 0) do { *d__n++ = *s__n++; } while (--n__n > 0); \ - LZO_BLOCK_END - -+/* Debian-specific change: we know that our compiler inlines memcpy() with -+ * constant n to be as fast as handwritten code, and knows which architectures -+ * need things correctly aligned. */ -+#undef LZO_MEMOPS_COPY1 -+#undef LZO_MEMOPS_COPY2 -+#undef LZO_MEMOPS_COPY4 -+#undef LZO_MEMOPS_COPY8 -+#undef LZO_MEMOPS_COPYN -+#define LZO_MEMOPS_COPY1(dd,ss) memcpy(dd, ss, 1) -+#define LZO_MEMOPS_COPY2(dd,ss) memcpy(dd, ss, 2) -+#define LZO_MEMOPS_COPY4(dd,ss) memcpy(dd, ss, 4) -+#define LZO_MEMOPS_COPY8(dd,ss) memcpy(dd, ss, 8) -+#define LZO_MEMOPS_COPYN(dd,ss,nn) memcpy(dd, ss, nn) -+ - __lzo_static_forceinline lzo_uint16_t lzo_memops_get_le16(const lzo_voidp ss) - { - lzo_uint16_t v; -diff --git a/src/lzo_func.h b/src/lzo_func.h -index dfaa676..1cc1b53 100644 ---- a/src/lzo_func.h -+++ b/src/lzo_func.h -@@ -333,6 +333,20 @@ LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(*(lzo_memops_TU8p)0)==8) - if ((void)0, n__n > 0) do { *d__n++ = *s__n++; } while (--n__n > 0); \ - LZO_BLOCK_END - -+/* Debian-specific change: we know that our compiler inlines memcpy() with -+ * constant n to be as fast as handwritten code, and knows which architectures -+ * need things correctly aligned. */ -+#undef LZO_MEMOPS_COPY1 -+#undef LZO_MEMOPS_COPY2 -+#undef LZO_MEMOPS_COPY4 -+#undef LZO_MEMOPS_COPY8 -+#undef LZO_MEMOPS_COPYN -+#define LZO_MEMOPS_COPY1(dd,ss) memcpy(dd, ss, 1) -+#define LZO_MEMOPS_COPY2(dd,ss) memcpy(dd, ss, 2) -+#define LZO_MEMOPS_COPY4(dd,ss) memcpy(dd, ss, 4) -+#define LZO_MEMOPS_COPY8(dd,ss) memcpy(dd, ss, 8) -+#define LZO_MEMOPS_COPYN(dd,ss,nn) memcpy(dd, ss, nn) -+ - __lzo_static_forceinline lzo_uint16_t lzo_memops_get_le16(const lzo_voidp ss) - { - lzo_uint16_t v; |
