diff options
Diffstat (limited to 'contrib/gcc/doc/invoke.texi')
| -rw-r--r-- | contrib/gcc/doc/invoke.texi | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/contrib/gcc/doc/invoke.texi b/contrib/gcc/doc/invoke.texi index 0b527b2..62785ff 100644 --- a/contrib/gcc/doc/invoke.texi +++ b/contrib/gcc/doc/invoke.texi @@ -1,12 +1,12 @@ @c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -@c 2000, 2001, 2002 Free Software Foundation, Inc. +@c 2000, 2001, 2002, 2003 Free Software Foundation, Inc. @c This is part of the GCC manual. @c For copying conditions, see the file gcc.texi. @ignore @c man begin COPYRIGHT Copyright @copyright{} 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, -1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. +1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or @@ -2887,20 +2887,6 @@ analysis program @code{gprof}. You must use this option when compiling the source files you want data about, and you must also use it when linking. -@cindex @code{tcov} -@item -a -@opindex a -Generate extra code to write profile information for basic blocks, which will -record the number of times each basic block is executed, the basic block start -address, and the function name containing the basic block. If @option{-g} is -used, the line number and filename of the start of the basic block will also be -recorded. If not overridden by the machine description, the default action is -to append to the text file @file{bb.out}. - -This data could be analyzed by a program like @code{tcov}. Note, -however, that the format of the data is not what @code{tcov} expects. -Eventually GNU @code{gprof} should be extended to process this data. - @item -Q @opindex Q Makes the compiler print out each function name as it is compiled, and @@ -2946,8 +2932,8 @@ block must be created to hold the instrumentation code. @need 2000 @item -ftest-coverage @opindex ftest-coverage -Create data files for the @code{gcov} code-coverage utility -(@pxref{Gcov,, @code{gcov}: a GCC Test Coverage Program}). +Create data files for the @command{gcov} code-coverage utility +(@pxref{Gcov,, @command{gcov}---a Test Coverage Program}). The data file names begin with the name of your source file: @table @gcctabopt @@ -7511,9 +7497,11 @@ boundary. Aligning @code{double} variables on a two word boundary will produce code that runs somewhat faster on a @samp{Pentium} at the expense of more memory. -@strong{Warning:} if you use the @samp{-malign-double} switch, +@strong{Warning:} if you use the @option{-malign-double} switch, structures containing the above types will be aligned differently than -the published application binary interface specifications for the 386. +the published application binary interface specifications for the 386 +and will not be binary compatible with structures in code compiled +without that switch. @item -m128bit-long-double @opindex m128bit-long-double |
