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basic-block.h (ALLOCA_REG_SET): Remove.

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* basic-block.h (ALLOCA_REG_SET): Remove.
	(INITIALIZE_REG_SET): New macro.
	* flow.c (update_life_info): Use it.
	(calculate_global_regs_live): Likewise.
	(propagate_block): Likewise.
	* global.c (build_insn_chain): Likewise.
	* haifa-sched.c (schedule_region): Likewise.

From-SVN: r32350
This commit is contained in:
Mark Mitchell 2000-03-05 22:35:27 +00:00 committed by Mark Mitchell
parent 008b7307cb
commit ee25a7a5f6
5 changed files with 28 additions and 10 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
2000-03-05 Mark Mitchell <mark@codesourcery.com>
* basic-block.h (ALLOCA_REG_SET): Remove.
(INITIALIZE_REG_SET): New macro.
* flow.c (update_life_info): Use it.
(calculate_global_regs_live): Likewise.
(propagate_block): Likewise.
* global.c (build_insn_chain): Likewise.
* haifa-sched.c (schedule_region): Likewise.
2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
* dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.

4
gcc/basic-block.h
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@ -98,8 +98,8 @@ do { \
/* Allocate a register set with oballoc. */
#define OBSTACK_ALLOC_REG_SET(OBSTACK) BITMAP_OBSTACK_ALLOC (OBSTACK)
/* Allocate a register set with alloca. */
#define ALLOCA_REG_SET() BITMAP_ALLOCA ()
/* Initialize a register set. Returns the new register set. */
#define INITIALIZE_REG_SET(HEAD) bitmap_initialize (&HEAD)
/* Do any cleanup needed on a regset when it is no longer used. */
#define FREE_REG_SET(REGSET) BITMAP_FREE(REGSET)

15
gcc/flow.c
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@ -2643,9 +2643,10 @@ update_life_info (blocks, extent, prop_flags)
int prop_flags;
{
regset tmp;
regset_head tmp_head;
int i;
tmp = ALLOCA_REG_SET ();
tmp = INITIALIZE_REG_SET (tmp_head);
/* For a global update, we go through the relaxation process again. */
if (extent != UPDATE_LIFE_LOCAL)
@ -2949,10 +2950,12 @@ calculate_global_regs_live (blocks_in, blocks_out, flags)
{
basic_block *queue, *qhead, *qtail, *qend;
regset tmp, new_live_at_end;
regset_head tmp_head;
regset_head new_live_at_end_head;
int i;
tmp = ALLOCA_REG_SET ();
new_live_at_end = ALLOCA_REG_SET ();
tmp = INITIALIZE_REG_SET (tmp_head);
new_live_at_end = INITIALIZE_REG_SET (new_live_at_end_head);
/* Create a worklist. Allocate an extra slot for ENTRY_BLOCK, and one
because the `head == tail' style test for an empty queue doesn't
@ -3177,7 +3180,9 @@ propagate_block (bb, old, significant, flags)
register rtx insn;
rtx prev;
regset live;
regset_head live_head;
regset dead;
regset_head dead_head;
/* Find the loop depth for this block. Ignore loop level changes in the
middle of the basic block -- for register allocation purposes, the
@ -3185,8 +3190,8 @@ propagate_block (bb, old, significant, flags)
not in the loop pre-header or post-trailer. */
loop_depth = bb->loop_depth;
dead = ALLOCA_REG_SET ();
live = ALLOCA_REG_SET ();
dead = INITIALIZE_REG_SET (live_head);
live = INITIALIZE_REG_SET (dead_head);
cc0_live = 0;

3
gcc/global.c
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@ -1764,8 +1764,9 @@ build_insn_chain (first)
struct insn_chain **p = &reload_insn_chain;
struct insn_chain *prev = 0;
int b = 0;
regset_head live_relevant_regs_head;
live_relevant_regs = ALLOCA_REG_SET ();
live_relevant_regs = INITIALIZE_REG_SET (live_relevant_regs_head);
for (; first; first = NEXT_INSN (first))
{

6
gcc/haifa-sched.c
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@ -6631,13 +6631,15 @@ schedule_region (rgn)
int bb;
int rgn_n_insns = 0;
int sched_rgn_n_insns = 0;
regset_head reg_pending_sets_head;
regset_head reg_pending_clobbers_head;
/* Set variables for the current region. */
current_nr_blocks = RGN_NR_BLOCKS (rgn);
current_blocks = RGN_BLOCKS (rgn);
reg_pending_sets = ALLOCA_REG_SET ();
reg_pending_clobbers = ALLOCA_REG_SET ();
reg_pending_sets = INITIALIZE_REG_SET (reg_pending_sets_head);
reg_pending_clobbers = INITIALIZE_REG_SET (reg_pending_clobbers_head);
reg_pending_sets_all = 0;
/* Initializations for region data dependence analyisis. */