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re PR target/70677 (Suboptimal cond on AVR: unneeded stack frame) 

PR 70677
	* common/config/avr/avr-common.c (avr_option_optimization_table)
	[OPT_LEVELS_ALL]: Turn off -fcaller-saves.

From-SVN: r239117
This commit is contained in:
Georg-Johann Lay 2016-08-04 07:52:38 +00:00 committed by Georg-Johann Lay
parent e7ff6a46c9
commit 90b1c81d64
2 changed files with 9 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2016-08-04 Georg-Johann Lay <avr@gjlay.de>
PR 70677
* common/config/avr/avr-common.c (avr_option_optimization_table)
[OPT_LEVELS_ALL]: Turn off -fcaller-saves.
2016-08-04 Georg-Johann Lay <avr@gjlay.de>
PR 55181

3
gcc/common/config/avr/avr-common.c
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@ -28,6 +28,9 @@
static const struct default_options avr_option_optimization_table[] =
{
{ OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
// The only effect of -fcaller-saves might be that it triggers
// a frame without need when it tries to be smart around calls.
{ OPT_LEVELS_ALL, OPT_fcaller_saves, NULL, 0 },
{ OPT_LEVELS_NONE, 0, NULL, 0 }
};