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Use proper probability (PR target/82927)

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2017-11-15  Martin Liska  <mliska@suse.cz>

	PR target/82927
	* config/sh/sh-mem.cc: Use proper probability for
	REG_BR_PROB_NOTE.

From-SVN: r254755
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Martin Liska 2017-11-15 08:11:59 +01:00 committed by Martin Liska
parent 896f6b3dfa
commit 6463f681f8
2 changed files with 12 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2017-11-15 Martin Liska <mliska@suse.cz>
PR target/82927
* config/sh/sh-mem.cc: Use proper probability for
REG_BR_PROB_NOTE.
2017-11-14 Jeff Law <law@redhat.com>
* explow.c (anti_adjust_stack_and_probe_stack_clash): Avoid probing

8
gcc/config/sh/sh-mem.cc
View File

@ -183,8 +183,12 @@ expand_block_move (rtx *operands)
return false;
}
static const int prob_unlikely = REG_BR_PROB_BASE / 10;
static const int prob_likely = REG_BR_PROB_BASE / 4;
static const int prob_unlikely
= profile_probability::from_reg_br_prob_base (REG_BR_PROB_BASE / 10)
.to_reg_br_prob_note ();
static const int prob_likely
= profile_probability::from_reg_br_prob_base (REG_BR_PROB_BASE / 4)
.to_reg_br_prob_note ();
/* Emit code to perform a strcmp.