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global.c (regclass_intersect): Remove.

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* global.c (regclass_intersect): Remove.
	(mark_reg_use_for_earlyclobber): Use reg_classes_intersect_p instead.

From-SVN: r92729
This commit is contained in:
Steven Bosscher 2004-12-30 09:09:07 +00:00 committed by Steven Bosscher
parent 8c5cacfdca
commit 2fdb7cd791
2 changed files with 10 additions and 21 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-12-30 Steven Bosscher <stevenb@suse.de>
* global.c (regclass_intersect): Remove.
(mark_reg_use_for_earlyclobber): Use reg_classes_intersect_p instead.
2004-12-30 Richard Henderson <rth@redhat.com> 2004-12-30 Richard Henderson <rth@redhat.com>
* config/ia64/ia64.c (ia64_function_value): Use PARALLEL for * config/ia64/ia64.c (ia64_function_value): Use PARALLEL for

26
gcc/global.c
View File

@ -309,7 +309,6 @@ static void reg_dies (int, enum machine_mode, struct insn_chain *);
static void allocate_bb_info (void); static void allocate_bb_info (void);
static void free_bb_info (void); static void free_bb_info (void);
static bool check_earlyclobber (rtx); static bool check_earlyclobber (rtx);
static bool regclass_intersect (enum reg_class, enum reg_class);
static void mark_reg_use_for_earlyclobber_1 (rtx *, void *); static void mark_reg_use_for_earlyclobber_1 (rtx *, void *);
static int mark_reg_use_for_earlyclobber (rtx *, void *); static int mark_reg_use_for_earlyclobber (rtx *, void *);
static void calculate_local_reg_bb_info (void); static void calculate_local_reg_bb_info (void);
@ -2180,22 +2179,6 @@ check_earlyclobber (rtx insn)
return found; return found;
} }
/* The function returns true if register classes C1 and C2 intersect. */
static bool
regclass_intersect (enum reg_class c1, enum reg_class c2)
{
HARD_REG_SET rs, zero;
CLEAR_HARD_REG_SET (zero);
COPY_HARD_REG_SET(rs, reg_class_contents [c1]);
AND_HARD_REG_SET (rs, reg_class_contents [c2]);
GO_IF_HARD_REG_EQUAL (zero, rs, yes);
return true;
yes:
return false;
}
/* The function checks that pseudo-register *X has a class /* The function checks that pseudo-register *X has a class
intersecting with the class of pseudo-register could be early intersecting with the class of pseudo-register could be early
clobbered in the same insn. clobbered in the same insn.
@ -2218,11 +2201,12 @@ mark_reg_use_for_earlyclobber (rtx *x, void *data ATTRIBUTE_UNUSED)
pref_class = reg_preferred_class (regno); pref_class = reg_preferred_class (regno);
alt_class = reg_alternate_class (regno); alt_class = reg_alternate_class (regno);
for (i = VARRAY_ACTIVE_SIZE (earlyclobber_regclass) - 1; i >= 0; i--) for (i = VARRAY_ACTIVE_SIZE (earlyclobber_regclass) - 1; i >= 0; i--)
if (regclass_intersect (VARRAY_INT (earlyclobber_regclass, i), if (reg_classes_intersect_p (VARRAY_INT (earlyclobber_regclass, i),
pref_class) pref_class)
|| (VARRAY_INT (earlyclobber_regclass, i) != NO_REGS || (VARRAY_INT (earlyclobber_regclass, i) != NO_REGS
&& regclass_intersect (VARRAY_INT (earlyclobber_regclass, i), && reg_classes_intersect_p (VARRAY_INT (earlyclobber_regclass,
alt_class))) i),
alt_class)))
{ {
bitmap_set_bit (bb_info->earlyclobber, regno); bitmap_set_bit (bb_info->earlyclobber, regno);
break; break;