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Revert 'Use actual_call_used_reg_set to find conflicting regs' 

2015-03-16  Tom de Vries  <tom@codesourcery.com>

	PR middle-end/65414
	Revert:
	2015-03-12  Tom de Vries  <tom@codesourcery.com>

	PR rtl-optimization/64895
	* lra-lives.c (check_pseudos_live_through_calls): Use
	actual_call_used_reg_set instead of call_used_reg_set, if available.

From-SVN: r221448
This commit is contained in:
Tom de Vries 2015-03-16 09:42:21 +00:00 committed by Tom de Vries
parent cb55aefb0d
commit 261cb0d3eb
2 changed files with 11 additions and 5 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
2015-03-16 Tom de Vries <tom@codesourcery.com>
PR middle-end/65414
Revert:
2015-03-12 Tom de Vries <tom@codesourcery.com>
PR rtl-optimization/64895
* lra-lives.c (check_pseudos_live_through_calls): Use
actual_call_used_reg_set instead of call_used_reg_set, if available.
2015-03-16 Alan Modra <amodra@gmail.com> 2015-03-16 Alan Modra <amodra@gmail.com>
PR target/63150 PR target/63150

6
gcc/lra-lives.c
View File

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