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arm-common.c (arm_option_optimization_table): Enable -fsched-pressure by default while optimizing.

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2012-07-17  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
	    Ulrich Weigand  <ulrich.weigand@linaro.org>

	* common/config/arm/arm-common.c (arm_option_optimization_table):
	Enable -fsched-pressure by default while optimizing.
	* config/arm/arm.c (arm_option_override): Use the alternate scheduler
	pressure algorithm by default.




Co-Authored-By: Ulrich Weigand <ulrich.weigand@linaro.org>

From-SVN: r189563
This commit is contained in:
Ramana Radhakrishnan 2012-07-17 09:17:20 +00:00 committed by Ramana Radhakrishnan
parent a6fcd41ada
commit 22969a8cc8
3 changed files with 14 additions and 0 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2012-07-17 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
Ulrich Weigand <ulrich.weigand@linaro.org>
* common/config/arm/arm-common.c (arm_option_optimization_table):
Enable -fsched-pressure by default while optimizing.
* config/arm/arm.c (arm_option_override): Use the alternate scheduler
pressure algorithm by default.
2012-07-16 Oleg Endo <olegendo@gcc.gnu.org>
* config/sh/sh.h (CONST_OK_FOR_I06): Delete.

1
gcc/common/config/arm/arm-common.c
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@ -35,6 +35,7 @@ static const struct default_options arm_option_optimization_table[] =
/* Enable section anchors by default at -O1 or higher. */
{ OPT_LEVELS_1_PLUS, OPT_fsection_anchors, NULL, 1 },
{ OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
{ OPT_LEVELS_1_PLUS, OPT_fsched_pressure, NULL, 1 },
{ OPT_LEVELS_NONE, 0, NULL, 0 }
};

5
gcc/config/arm/arm.c
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@ -2009,6 +2009,11 @@ arm_option_override (void)
global_options.x_param_values,
global_options_set.x_param_values);
/* Use the alternative scheduling-pressure algorithm by default. */
maybe_set_param_value (PARAM_SCHED_PRESSURE_ALGORITHM, 2,
global_options.x_param_values,
global_options_set.x_param_values);
/* Register global variables with the garbage collector. */
arm_add_gc_roots ();
}