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-rw-r--r--INSTALL18
1 files changed, 9 insertions, 9 deletions
diff --git a/INSTALL b/INSTALL
index 004fc87d..624a1079 100644
--- a/INSTALL
+++ b/INSTALL
@@ -353,15 +353,15 @@ XZ Utils Installation
with --docdir=DIR.
--disable-assembler
- liblzma includes some assembler optimizations. Currently
- there is only assembler code for CRC32 and CRC64 for
- 32-bit x86.
-
- All the assembler code in liblzma is position-independent
- code, which is suitable for use in shared libraries and
- position-independent executables. So far only i386
- instructions are used, but the code is optimized for i686
- class CPUs. If you are compiling liblzma exclusively for
+ This disables CRC32 and CRC64 assembly code on
+ 32-bit x86. This option currently does nothing
+ on other architectures (not even on x86-64).
+
+ The 32-bit x86 assembly is position-independent code
+ which is suitable for use in shared libraries and
+ position-independent executables. It uses only i386
+ instructions but the code is optimized for i686 class
+ CPUs. If you are compiling liblzma exclusively for
pre-i686 systems, you may want to disable the assembler
code.