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[Doc PATCH]: PR target/16584: Replace i387 with 'i386 compiler' for-mfpmath=sse option
- From: Uros Bizjak <uros at kss-loka dot si>
- To: gcc-patches at gcc dot gnu dot org
- Date: Fri, 24 Dec 2004 15:46:38 +0100
- Subject: [Doc PATCH]: PR target/16584: Replace i387 with 'i386 compiler' for-mfpmath=sse option
Hello!
This is a documentation patch that states more clearly when -msse applies.
2004-12-24 Uros Bizjak <uros@kss-loka.si>
* doc/invoke.texi (Intel 386 and AMD x86-64 Options):
Replace i387 with 'i386 compiler' in -mfpmath=sse option.
Uros.
Index: invoke.texi
===================================================================
RCS file: /cvs/gcc/gcc/gcc/doc/invoke.texi,v
retrieving revision 1.562
diff -u -p -r1.562 invoke.texi
--- invoke.texi 18 Dec 2004 20:22:52 -0000 1.562
+++ invoke.texi 24 Dec 2004 14:32:24 -0000
@@ -8438,8 +8438,8 @@ extended precision arithmetics is still
only in Pentium4 and the future AMD x86-64 chips supports double precision
arithmetics too.
-For i387 you need to use @option{-march=@var{cpu-type}}, @option{-msse} or
-@option{-msse2} switches to enable SSE extensions and make this option
+For i386 compiler, you need to use @option{-march=@var{cpu-type}}, @option{-msse}
+or @option{-msse2} switches to enable SSE extensions and make this option
effective. For x86-64 compiler, these extensions are enabled by default.
The resulting code should be considerably faster in the majority of cases and avoid