Document the new i386 family options.

Obtained from:	invoke.texi

1 files changed, 43 insertions, 0 deletions

diff --git a/contrib/gcc/gcc.1 b/contrib/gcc/gcc.1
index b30ebf3..e04281c 100644
--- a/contrib/gcc/gcc.1
+++ b/contrib/gcc/gcc.1
@@ -447,8 +447,13 @@ in the following sections.
 .Sp
 .I i386 Options
 .br
+\-m386
 \-m486
+\-mpentium
+\-mpentiumpro
 \-mno\-486
+\-mcpu=\fIcpu type\fP
+\-march=\fIcpu type\fP
 \-msoft\-float
 \-mrtd
 \-mregparm
@@ -3612,6 +3617,44 @@ These `\|\c
 Control whether or not code is optimized for a 486 instead of an
 386.  Code generated for a 486 will run on a 386 and vice versa.
 .TP
+.B \-mpentium
+Synonym for
+.B \-mcpu=pentium
+.TP
+.B \-mpentiumpro
+Synonym for
+.B \-mcpu=pentiumpro
+.TP
+.B \-mcpu=\fIcpu type\fP
+Assume the defaults for the machine type CPU TYPE when scheduling instructions.
+The choices for CPU TYPE are:
+.B i386,
+.B i486,
+.B i586
+(pentium),
+.B pentium,
+.B i686
+(pentiumpro), and
+.B pentiumpro.
+While picking a specific CPU TYPE will schedule things appropriately for that
+particular chip, the compiler will not generate any code that does not run on
+the i386 without the
+.B \-march=\fIcpu type\fP
+option being used.
+.TP
+.B \-march=\fIcpu type\fP
+Generate instructions for the machine type CPU TYPE.  The choices for CPU TYPE
+are:
+.B i386,
+.B i486,
+.B pentium,
+and
+.B pentiumpro.
+Specifying
+.B \-march=\fIcpu type\fP
+implies
+.B \-mcpu=\fIcpu type\fP.
+.TP
 .B \-msoft\-float
 Generate output containing library calls for floating point.
 .I Warning: