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Add implicit parameter to find_all_hard_reg_sets 

2014-04-25  Radovan Obradovic  <robradovic@mips.com>
            Tom de Vries  <tom@codesourcery.com>

	* rtlanal.c (find_all_hard_reg_sets): Add bool implicit parameter and
	handle.
	* rtl.h (find_all_hard_reg_sets): Add bool parameter.
	* haifa-sched.c (recompute_todo_spec, check_clobbered_conditions): Add
	new argument to find_all_hard_reg_sets call.

Co-Authored-By: Tom de Vries <tom@codesourcery.com>

From-SVN: r209798
This commit is contained in:
Radovan Obradovic 2014-04-25 11:21:18 +00:00 committed by Tom de Vries
parent fe65a7edc6
commit 356bf59349
4 changed files with 14 additions and 5 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2014-04-25 Radovan Obradovic <robradovic@mips.com>
Tom de Vries <tom@codesourcery.com>
* rtlanal.c (find_all_hard_reg_sets): Add bool implicit parameter and
handle.
* rtl.h (find_all_hard_reg_sets): Add bool parameter.
* haifa-sched.c (recompute_todo_spec, check_clobbered_conditions): Add
new argument to find_all_hard_reg_sets call.
2014-04-25 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/arm/aarch-common.c (aarch_rev16_shright_mask_imm_p):

4
gcc/haifa-sched.c
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@ -1299,7 +1299,7 @@ recompute_todo_spec (rtx next, bool for_backtrack)
{
HARD_REG_SET t;
find_all_hard_reg_sets (prev, &t);
find_all_hard_reg_sets (prev, &t, true);
if (TEST_HARD_REG_BIT (t, regno))
return HARD_DEP;
if (prev == pro)
@ -3082,7 +3082,7 @@ check_clobbered_conditions (rtx insn)
if ((current_sched_info->flags & DO_PREDICATION) == 0)
return;
find_all_hard_reg_sets (insn, &t);
find_all_hard_reg_sets (insn, &t, true);
restart:
for (i = 0; i < ready.n_ready; i++)

2
gcc/rtl.h
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@ -2042,7 +2042,7 @@ extern const_rtx set_of (const_rtx, const_rtx);
extern void record_hard_reg_sets (rtx, const_rtx, void *);
extern void record_hard_reg_uses (rtx *, void *);
#ifdef HARD_CONST
extern void find_all_hard_reg_sets (const_rtx, HARD_REG_SET *);
extern void find_all_hard_reg_sets (const_rtx, HARD_REG_SET *, bool);
#endif
extern void note_stores (const_rtx, void (*) (rtx, const_rtx, void *), void *);
extern void note_uses (rtx *, void (*) (rtx *, void *), void *);

4
gcc/rtlanal.c
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@ -1046,13 +1046,13 @@ record_hard_reg_sets (rtx x, const_rtx pat ATTRIBUTE_UNUSED, void *data)
/* Examine INSN, and compute the set of hard registers written by it.
Store it in *PSET. Should only be called after reload. */
void
find_all_hard_reg_sets (const_rtx insn, HARD_REG_SET *pset)
find_all_hard_reg_sets (const_rtx insn, HARD_REG_SET *pset, bool implicit)
{
rtx link;
CLEAR_HARD_REG_SET (*pset);
note_stores (PATTERN (insn), record_hard_reg_sets, pset);
if (CALL_P (insn))
if (implicit && CALL_P (insn))
IOR_HARD_REG_SET (*pset, call_used_reg_set);
for (link = REG_NOTES (insn); link; link = XEXP (link, 1))
if (REG_NOTE_KIND (link) == REG_INC)