diff options
Diffstat (limited to 'libc/scripts/bench.pl')
| -rwxr-xr-x | libc/scripts/bench.pl | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/libc/scripts/bench.pl b/libc/scripts/bench.pl index 492ab816e..569cd5156 100755 --- a/libc/scripts/bench.pl +++ b/libc/scripts/bench.pl @@ -1,5 +1,5 @@ #! /usr/bin/perl -w -# Copyright (C) 2013 Free Software Foundation, Inc. +# Copyright (C) 2013-2014 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or @@ -83,8 +83,8 @@ LINE:while (<INPUTS>) { } } - # Skip over comments. - if (/^#/) { + # Skip over comments and blank lines. + if (/^#/ || /^$/) { next LINE; } push (@curvals, $_); @@ -93,6 +93,13 @@ LINE:while (<INPUTS>) { my $bench_func = "#define CALL_BENCH_FUNC(v, i) $func ("; +# Output variables. These include the return value as well as any pointers +# that may get passed into the function, denoted by the <> around the type. +my $outvars = ""; + +if ($ret ne "void") { + $outvars = "static $ret volatile ret;\n"; +} # Print the definitions and macros. foreach $incl (@include_headers) { @@ -124,8 +131,18 @@ if (@args > 0) { $bench_func = "$bench_func,"; } - $arg_struct = "$arg_struct volatile $arg arg$num;"; - $bench_func = "$bench_func variants[v].in[i].arg$num"; + $_ = $arg; + if (/<(.*)\*>/) { + # Output variables. These have to be pointers, so dereference once by + # dropping one *. + $outvars = $outvars . "static $1 out$num;\n"; + $bench_func = "$bench_func &out$num"; + } + else { + $arg_struct = "$arg_struct $arg volatile arg$num;"; + $bench_func = "$bench_func variants[v].in[i].arg$num"; + } + $num = $num + 1; } @@ -172,12 +189,12 @@ else { print "#define VARIANT(v) FUNCNAME \"()\"\n" } - +# Print the output variable definitions. +print "$outvars\n"; # In some cases not storing a return value seems to result in the function call # being optimized out. if ($ret ne "void") { - print "static volatile $ret ret;\n"; $getret = "ret = "; } |