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Use actual_call_used_reg_set to find conflicting regs

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2015-03-12  Tom de Vries  <tom@codesourcery.com>

	* lra-lives.c (check_pseudos_live_through_calls): Use
	actual_call_used_reg_set instead of call_used_reg_set, if available.

From-SVN: r221372
This commit is contained in:
Tom de Vries 2015-03-12 06:59:34 +00:00 • committed by Tom de Vries
parent 2e5554fde3
commit 13d29cb010
2 changed files with 10 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2015-03-12 Tom de Vries <tom@codesourcery.com>
* lra-lives.c (check_pseudos_live_through_calls): Use
actual_call_used_reg_set instead of call_used_reg_set, if available.
2015-03-10 Jan Hubicka <hubicka@ucw.cz>
* cgraph.c (cgraph_node::release_body): Free function_in_decl_state.

6
gcc/lra-lives.c
View file

@ -636,8 +636,12 @@ check_pseudos_live_through_calls (int regno)
if (! sparseset_bit_p (pseudos_live_through_calls, regno))
return;
sparseset_clear_bit (pseudos_live_through_calls, regno);
bool actual_call_used_reg_set_available_p
= !hard_reg_set_empty_p (lra_reg_info[regno].actual_call_used_reg_set);
IOR_HARD_REG_SET (lra_reg_info[regno].conflict_hard_regs,
call_used_reg_set);
(actual_call_used_reg_set_available_p
? lra_reg_info[regno].actual_call_used_reg_set
: call_used_reg_set));
for (hr = 0; hr < FIRST_PSEUDO_REGISTER; hr++)
if (HARD_REGNO_CALL_PART_CLOBBERED (hr, PSEUDO_REGNO_MODE (regno)))