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Remove COMPL_HARD_REG_SET 

"COMPL_HARD_REG_SET (x, y)" becomes "x = ~y".

2019-09-09  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* hard-reg-set.h (HARD_REG_SET::operator~): New function.
	(COMPL_HARD_REG_SET): Delete.
	* config/c6x/c6x.c (c6x_call_saved_register_used): Use ~ instead
	of COMPL_HARD_REG_SET.
	(try_rename_operands): Likewise.
	* config/sh/sh.c (push_regs): Likewise.
	* lra-assigns.c (find_hard_regno_for_1): Likewise.
	* lra-constraints.c (contains_reg_p): Likewise.
	* reload1.c (finish_spills, choose_reload_regs_init): Likewise.

From-SVN: r275529
This commit is contained in:
Richard Sandiford 2019-09-09 17:59:10 +00:00 committed by Richard Sandiford
parent 6576d24538
commit 50b3f54d55
7 changed files with 28 additions and 24 deletions
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12
gcc/ChangeLog
View File

@ -1,3 +1,15 @@
2019-09-09 Richard Sandiford <richard.sandiford@arm.com>
* hard-reg-set.h (HARD_REG_SET::operator~): New function.
(COMPL_HARD_REG_SET): Delete.
* config/c6x/c6x.c (c6x_call_saved_register_used): Use ~ instead
of COMPL_HARD_REG_SET.
(try_rename_operands): Likewise.
* config/sh/sh.c (push_regs): Likewise.
* lra-assigns.c (find_hard_regno_for_1): Likewise.
* lra-constraints.c (contains_reg_p): Likewise.
* reload1.c (finish_spills, choose_reload_regs_init): Likewise.
2019-09-09 Richard Sandiford <richard.sandiford@arm.com>
* hard-reg-set.h (COPY_HARD_REG_SET): Delete.

4
gcc/config/c6x/c6x.c
View File

@ -1094,7 +1094,7 @@ c6x_call_saved_register_used (tree call_expr)
INIT_CUMULATIVE_ARGS (cum_v, NULL, NULL, 0, 0);
cum = pack_cumulative_args (&cum_v);
COMPL_HARD_REG_SET (call_saved_regset, call_used_reg_set);
call_saved_regset = ~call_used_reg_set;
for (i = 0; i < call_expr_nargs (call_expr); i++)
{
parameter = CALL_EXPR_ARG (call_expr, i);
@ -3472,7 +3472,7 @@ try_rename_operands (rtx_insn *head, rtx_insn *tail, unit_req_table reqs,
}
/* If we get here, we can do the renaming. */
COMPL_HARD_REG_SET (unavailable, reg_class_contents[(int) super_class]);
unavailable = ~reg_class_contents[super_class];
old_reg = this_head->regno;
best_reg =

5
gcc/config/sh/sh.c
View File

@ -6908,11 +6908,8 @@ push_regs (HARD_REG_SET *mask, bool interrupt_handler)
if (i == FIRST_FP_REG && interrupt_handler && TARGET_FMOVD
&& hard_reg_set_intersect_p (*mask, reg_class_contents[DF_REGS]))
{
HARD_REG_SET unsaved;
push (FPSCR_REG);
COMPL_HARD_REG_SET (unsaved, *mask);
fpscr_set_from_mem (NORMAL_MODE (FP_MODE), unsaved);
fpscr_set_from_mem (NORMAL_MODE (FP_MODE), ~*mask);
skip_fpscr = true;
}
if (i != PR_REG

23
gcc/hard-reg-set.h
View File

@ -53,6 +53,15 @@ typedef const HARD_REG_SET const_hard_reg_set;
struct HARD_REG_SET
{
HARD_REG_SET
operator~ () const
{
HARD_REG_SET res;
for (unsigned int i = 0; i < ARRAY_SIZE (elts); ++i)
res.elts[i] = ~elts[i];
return res;
}
HARD_REG_ELT_TYPE elts[HARD_REG_SET_LONGS];
};
typedef const HARD_REG_SET &const_hard_reg_set;
@ -83,11 +92,6 @@ struct hard_reg_set_container
CLEAR_HARD_REG_SET and SET_HARD_REG_SET.
These take just one argument.
Also define macros for copying the complement of a hard reg set:
COMPL_HARD_REG_SET.
This takes two arguments TO and FROM; it reads from FROM
and stores into TO.
Also define macros for combining hard reg sets:
IOR_HARD_REG_SET and AND_HARD_REG_SET.
These take two arguments TO and FROM; they read from FROM
@ -116,8 +120,6 @@ struct hard_reg_set_container
#define CLEAR_HARD_REG_SET(TO) ((TO) = HARD_CONST (0))
#define SET_HARD_REG_SET(TO) ((TO) = ~ HARD_CONST (0))
#define COMPL_HARD_REG_SET(TO, FROM) ((TO) = ~(FROM))
#define IOR_HARD_REG_SET(TO, FROM) ((TO) |= (FROM))
#define IOR_COMPL_HARD_REG_SET(TO, FROM) ((TO) |= ~ (FROM))
#define AND_HARD_REG_SET(TO, FROM) ((TO) &= (FROM))
@ -184,13 +186,6 @@ SET_HARD_REG_SET (HARD_REG_SET &set)
set.elts[i] = -1;
}
inline void
COMPL_HARD_REG_SET (HARD_REG_SET &to, const_hard_reg_set from)
{
for (unsigned int i = 0; i < ARRAY_SIZE (to.elts); ++i)
to.elts[i] = ~from.elts[i];
}
inline void
AND_HARD_REG_SET (HARD_REG_SET &to, const_hard_reg_set from)
{

2
gcc/lra-assigns.c
View File

@ -496,7 +496,7 @@ find_hard_regno_for_1 (int regno, int *cost, int try_only_hard_regno,
conflict_set = lra_no_alloc_regs;
else
{
COMPL_HARD_REG_SET (conflict_set, regno_set);
conflict_set = ~regno_set;
IOR_HARD_REG_SET (conflict_set, lra_no_alloc_regs);
}
rclass = regno_allocno_class_array[regno];

2
gcc/lra-constraints.c
View File

@ -4559,7 +4559,7 @@ contains_reg_p (rtx x, bool hard_reg_p, bool spilled_p)
regno = lra_get_regno_hard_regno (regno);
if (regno < 0)
return false;
COMPL_HARD_REG_SET (alloc_regs, lra_no_alloc_regs);
alloc_regs = ~lra_no_alloc_regs;
return overlaps_hard_reg_set_p (alloc_regs, GET_MODE (x), regno);
}
else

4
gcc/reload1.c
View File

@ -4310,7 +4310,7 @@ finish_spills (int global)
may be not included in the value calculated here because
of possible removing caller-saves insns (see function
delete_caller_save_insns. */
COMPL_HARD_REG_SET (chain->used_spill_regs, used_by_pseudos);
chain->used_spill_regs = ~used_by_pseudos;
AND_HARD_REG_SET (chain->used_spill_regs, used_spill_regs);
}
}
@ -6257,7 +6257,7 @@ choose_reload_regs_init (class insn_chain *chain, rtx *save_reload_reg_rtx)
CLEAR_HARD_REG_SET (reload_reg_used_in_outaddr_addr[i]);
}
COMPL_HARD_REG_SET (reload_reg_unavailable, chain->used_spill_regs);
reload_reg_unavailable = ~chain->used_spill_regs;
CLEAR_HARD_REG_SET (reload_reg_used_for_inherit);