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hard-reg-set.h (call_fixed_regs): Remove. 

* hard-reg-set.h (call_fixed_regs): Remove.
	* reginfo.c (call_fixed_regs): Remove.
	(init_reg_sets_1): Remove initialization of call_fixed_regs.
	(globalize_reg): Don't use call_fixed_regs.
	* caller-save.c (init_caller_save): Use call_fixed_reg_set instead of
	call_fixed_regs.

From-SVN: r151353
This commit is contained in:
Anatoly Sokolov 2009-09-03 02:20:52 +04:00 committed by Anatoly Sokolov
parent 6330e1d9fe
commit adee59ae5f
4 changed files with 23 additions and 24 deletions
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9
gcc/ChangeLog
View File

@ -1,3 +1,12 @@
2009-09-02 Anatoly Sokolov <aesok@post.ru>
* hard-reg-set.h (call_fixed_regs): Remove.
* reginfo.c (call_fixed_regs): Remove.
(init_reg_sets_1): Remove initialization of call_fixed_regs.
(globalize_reg): Don't use call_fixed_regs.
* caller-save.c (init_caller_save): Use call_fixed_reg_set instead of
call_fixed_regs.
2009-09-01 Michael Matz <matz@suse.de>
* expr.h (emit_storent_insn, expand_expr_real_1,

5
gcc/caller-save.c
View File

@ -215,7 +215,8 @@ init_caller_save (void)
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
{
if (call_used_regs[i] && ! call_fixed_regs[i])
if (call_used_regs[i]
&& !TEST_HARD_REG_BIT (call_fixed_reg_set, i))
{
for (j = 1; j <= MOVE_MAX_WORDS; j++)
{
@ -223,7 +224,6 @@ init_caller_save (void)
VOIDmode);
if (regno_save_mode[i][j] == VOIDmode && j == 1)
{
call_fixed_regs[i] = 1;
SET_HARD_REG_BIT (call_fixed_reg_set, i);
}
}
@ -291,7 +291,6 @@ init_caller_save (void)
regno_save_mode[i][j] = VOIDmode;
if (j == 1)
{
call_fixed_regs[i] = 1;
SET_HARD_REG_BIT (call_fixed_reg_set, i);
if (call_used_regs[i])
SET_HARD_REG_BIT (no_caller_save_reg_set, i);

13
gcc/hard-reg-set.h
View File

@ -600,16 +600,11 @@ extern char call_really_used_regs[];
/* The same info as a HARD_REG_SET. */
extern HARD_REG_SET call_used_reg_set;
/* Indexed by hard register number, contains 1 for registers that are
fixed use -- i.e. in fixed_regs -- or a function value return register
or TARGET_STRUCT_VALUE_RTX or STATIC_CHAIN_REGNUM. These are the
registers that cannot hold quantities across calls even if we are
willing to save and restore them. */
extern char call_fixed_regs[FIRST_PSEUDO_REGISTER];
/* The same info as a HARD_REG_SET. */
/* Contains registers that are fixed use -- i.e. in fixed_reg_set -- or
a function value return register or TARGET_STRUCT_VALUE_RTX or
STATIC_CHAIN_REGNUM. These are the registers that cannot hold quantities
across calls even if we are willing to save and restore them. */
extern HARD_REG_SET call_fixed_reg_set;

20
gcc/reginfo.c
View File

@ -101,13 +101,11 @@ char call_really_used_regs[] = CALL_REALLY_USED_REGISTERS;
#endif
/* Indexed by hard register number, contains 1 for registers that are
fixed use or call used registers that cannot hold quantities across
calls even if we are willing to save and restore them. call fixed
registers are a subset of call used registers. */
char call_fixed_regs[FIRST_PSEUDO_REGISTER];
/* Contains registers that are fixed use -- i.e. in fixed_reg_set -- or
a function value return register or TARGET_STRUCT_VALUE_RTX or
STATIC_CHAIN_REGNUM. These are the registers that cannot hold quantities
across calls even if we are willing to save and restore them. */
/* The same info as a HARD_REG_SET. */
HARD_REG_SET call_fixed_reg_set;
/* Indexed by hard register number, contains 1 for registers
@ -515,8 +513,6 @@ init_reg_sets_1 (void)
else
CLEAR_REG_SET (regs_invalidated_by_call_regset);
memcpy (call_fixed_regs, fixed_regs, sizeof call_fixed_regs);
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
{
/* call_used_regs must include fixed_regs. */
@ -531,8 +527,6 @@ init_reg_sets_1 (void)
if (call_used_regs[i])
SET_HARD_REG_BIT (call_used_reg_set, i);
if (call_fixed_regs[i])
SET_HARD_REG_BIT (call_fixed_reg_set, i);
/* There are a couple of fixed registers that we know are safe to
exclude from being clobbered by calls:
@ -571,12 +565,14 @@ init_reg_sets_1 (void)
}
}
COPY_HARD_REG_SET(call_fixed_reg_set, fixed_reg_set);
/* Preserve global registers if called more than once. */
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
{
if (global_regs[i])
{
fixed_regs[i] = call_used_regs[i] = call_fixed_regs[i] = 1;
fixed_regs[i] = call_used_regs[i] = 1;
SET_HARD_REG_BIT (fixed_reg_set, i);
SET_HARD_REG_BIT (call_used_reg_set, i);
SET_HARD_REG_BIT (call_fixed_reg_set, i);
@ -870,7 +866,7 @@ globalize_reg (int i)
if (fixed_regs[i])
return;
fixed_regs[i] = call_used_regs[i] = call_fixed_regs[i] = 1;
fixed_regs[i] = call_used_regs[i] = 1;
#ifdef CALL_REALLY_USED_REGISTERS
call_really_used_regs[i] = 1;
#endif