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[PATCH][03/10] -fuse-caller-save - Add implicit parameter to find_all_hard_reg_sets
- From: Tom de Vries <tom at codesourcery dot com>
- To: Vladimir Makarov <vmakarov at redhat dot com>
- Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 29 Mar 2013 06:06:07 -0700
- Subject: [PATCH][03/10] -fuse-caller-save - Add implicit parameter to find_all_hard_reg_sets
Vladimir,
This patch adds an implicit parameter to find_all_hard_reg_sets.
Thanks,
-Tom
2013-03-29 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.
diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c
index c4591bfe..fe24d43 100644
--- a/gcc/haifa-sched.c
+++ b/gcc/haifa-sched.c
@@ -1271,7 +1271,7 @@ 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)
@@ -3041,7 +3041,7 @@ 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++)
diff --git a/gcc/rtl.h b/gcc/rtl.h
index b9defcc..6486f20 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -2038,7 +2038,7 @@ 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 *);
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index b198685..27c1974 100644
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -1028,13 +1028,13 @@ 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)