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Remove MaskNeeded 

2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	* opth-gen.awk: Allocated a bit for Mask and InverseMask if it
	hasn't been allocated.  Define a target macro for Mask and
	InverseMask if it hasn't been defined.  Remove MaskExists
	handling.

	* doc/options.texi: Remove MaskNeeded.

From-SVN: r185882
This commit is contained in:
H.J. Lu 2012-03-27 15:28:41 +00:00 committed by H.J. Lu
parent 4f867aee5d
commit 1ad36b7eaa
3 changed files with 43 additions and 27 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2012-03-27 H.J. Lu <hongjiu.lu@intel.com>
* opth-gen.awk: Allocated a bit for Mask and InverseMask if it
hasn't been allocated. Define a target macro for Mask and
InverseMask if it hasn't been defined. Remove MaskExists
handling.
* doc/options.texi: Remove MaskNeeded.
2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
PR target/52667

11
gcc/doc/options.texi
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@ -346,8 +346,6 @@ the value 1 when the option is active and 0 otherwise. If you use @code{Var}
to attach the option to a different variable, the associated macros are
called @code{OPTION_MASK_@var{name}} and @code{OPTION_@var{name}} respectively.
You can disable automatic bit allocation using @code{MaskExists}.
@item InverseMask(@var{othername})
@itemx InverseMask(@var{othername}, @var{thisname})
The option is the inverse of another option that has the
@ -355,15 +353,6 @@ The option is the inverse of another option that has the
the options-processing script will declare a @code{TARGET_@var{thisname}}
macro that is 1 when the option is active and 0 otherwise.
@item MaskExists
The mask specified by the @code{Mask} property already exists.
No @code{MASK} or @code{TARGET} definitions should be added to
@file{options.h} in response to this option record.
The main purpose of this property is to support synonymous options.
The first option should use @samp{Mask(@var{name})} and the others
should use @samp{Mask(@var{name}) MaskExists}.
@item Enum(@var{name})
The option's argument is a string from the set of strings associated
with the corresponding @samp{Enum} record. The string is checked and

50
gcc/opth-gen.awk
View File

@ -298,16 +298,25 @@ print "";
for (i = 0; i < n_opts; i++) {
name = opt_args("Mask", flags[i])
vname = var_name(flags[i])
mask = "MASK_"
mask_1 = "1"
if (vname != "") {
mask = "OPTION_MASK_"
if (host_wide_int[vname] == "yes")
mask_1 = "HOST_WIDE_INT_1"
if (name == "") {
opt = opt_args("InverseMask", flags[i])
if (opt ~ ",")
name = nth_arg(0, opt)
else
name = opt
}
if (name != "" && !flag_set_p("MaskExists", flags[i]))
if (name != "" && mask_bits[name] == 0) {
mask_bits[name] = 1
vname = var_name(flags[i])
mask = "MASK_"
mask_1 = "1"
if (vname != "") {
mask = "OPTION_MASK_"
if (host_wide_int[vname] == "yes")
mask_1 = "HOST_WIDE_INT_1"
}
print "#define " mask name " (" mask_1 " << " masknum[vname]++ ")"
}
}
for (i = 0; i < n_extra_masks; i++) {
print "#define MASK_" extra_masks[i] " (1 << " masknum[""]++ ")"
@ -330,17 +339,26 @@ print ""
for (i = 0; i < n_opts; i++) {
name = opt_args("Mask", flags[i])
vname = var_name(flags[i])
macro = "OPTION_"
mask = "OPTION_MASK_"
if (vname == "") {
vname = "target_flags"
macro = "TARGET_"
mask = "MASK_"
if (name == "") {
opt = opt_args("InverseMask", flags[i])
if (opt ~ ",")
name = nth_arg(0, opt)
else
name = opt
}
if (name != "" && !flag_set_p("MaskExists", flags[i]))
if (name != "" && mask_macros[name] == 0) {
mask_macros[name] = 1
vname = var_name(flags[i])
macro = "OPTION_"
mask = "OPTION_MASK_"
if (vname == "") {
vname = "target_flags"
macro = "TARGET_"
mask = "MASK_"
}
print "#define " macro name \
" ((" vname " & " mask name ") != 0)"
}
}
for (i = 0; i < n_extra_masks; i++) {
print "#define TARGET_" extra_masks[i] \