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common.opt (optimize_fast): New Variable. 

* common.opt (optimize_fast): New Variable.
	* opts.c (default_options_optimization): Use opts->x_optimize_fast
	instead of local variable ofast.

From-SVN: r170259
This commit is contained in:
Joseph Myers 2011-02-17 22:51:57 +00:00 committed by Joseph Myers
parent 0a2562409b
commit 0a8134cace
3 changed files with 17 additions and 7 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2011-02-17 Joseph Myers <joseph@codesourcery.com>
* common.opt (optimize_fast): New Variable.
* opts.c (default_options_optimization): Use opts->x_optimize_fast
instead of local variable ofast.
2011-02-17 Nicola Pero <nicola.pero@meta-innovation.com>
* doc/invoke.texi (fobjc-abi-version): Documented.

5
gcc/common.opt
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@ -32,6 +32,11 @@ int optimize
Variable
int optimize_size
; Not used directly to control optimizations, only to save -Ofast
; setting for "optimize" attributes.
Variable
int optimize_fast
; 0 means straightforward implementation of complex divide acceptable.
; 1 means wide ranges of inputs must work for complex divide.
; 2 means C99-like requirements for complex multiply and divide.

13
gcc/opts.c
View File

@ -524,7 +524,6 @@ default_options_optimization (struct gcc_options *opts,
{
unsigned int i;
int opt2;
int ofast = 0;
/* Scan to see what optimization level has been specified. That will
determine the default value of many flags. */
@ -538,7 +537,7 @@ default_options_optimization (struct gcc_options *opts,
{
opts->x_optimize = 1;
opts->x_optimize_size = 0;
ofast = 0;
opts->x_optimize_fast = 0;
}
else
{
@ -553,7 +552,7 @@ default_options_optimization (struct gcc_options *opts,
if ((unsigned int) opts->x_optimize > 255)
opts->x_optimize = 255;
opts->x_optimize_size = 0;
ofast = 0;
opts->x_optimize_fast = 0;
}
}
break;
@ -563,14 +562,14 @@ default_options_optimization (struct gcc_options *opts,
/* Optimizing for size forces optimize to be 2. */
opts->x_optimize = 2;
ofast = 0;
opts->x_optimize_fast = 0;
break;
case OPT_Ofast:
/* -Ofast only adds flags to -O3. */
opts->x_optimize_size = 0;
opts->x_optimize = 3;
ofast = 1;
opts->x_optimize_fast = 1;
break;
default:
@ -581,7 +580,7 @@ default_options_optimization (struct gcc_options *opts,
maybe_default_options (opts, opts_set, default_options_table,
opts->x_optimize, opts->x_optimize_size,
ofast, lang_mask, handlers, loc, dc);
opts->x_optimize_fast, lang_mask, handlers, loc, dc);
/* -O2 param settings. */
opt2 = (opts->x_optimize >= 2);
@ -611,7 +610,7 @@ default_options_optimization (struct gcc_options *opts,
maybe_default_options (opts, opts_set,
targetm.target_option.optimization_table,
opts->x_optimize, opts->x_optimize_size,
ofast, lang_mask, handlers, loc, dc);
opts->x_optimize_fast, lang_mask, handlers, loc, dc);
}
/* After all options at LOC have been read into OPTS and OPTS_SET,