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i965/fs: Move aeb list into opt_cse_local.

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Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Matt Turner 2014-07-11 20:35:31 -07:00
parent 0f679f0ab5
commit bdbaa9ab5b
2 changed files with 7 additions and 7 deletions
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2
src/mesa/drivers/dri/i965/brw_fs.h
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@ -334,7 +334,7 @@ public:
void calculate_register_pressure();
bool opt_algebraic();
bool opt_cse();
bool opt_cse_local(bblock_t *block, exec_list *aeb);
bool opt_cse_local(bblock_t *block);
bool opt_copy_propagate();
bool try_copy_propagate(fs_inst *inst, int arg, acp_entry *entry);
bool opt_copy_propagate_local(void *mem_ctx, bblock_t *block,

12
src/mesa/drivers/dri/i965/brw_fs_cse.cpp
View file

@ -166,9 +166,10 @@ instructions_match(fs_inst *a, fs_inst *b)
}
bool
fs_visitor::opt_cse_local(bblock_t *block, exec_list *aeb)
fs_visitor::opt_cse_local(bblock_t *block)
{
bool progress = false;
exec_list aeb;
void *cse_ctx = ralloc_context(NULL);
@ -180,7 +181,7 @@ fs_visitor::opt_cse_local(bblock_t *block, exec_list *aeb)
{
bool found = false;
foreach_in_list_use_after(aeb_entry, entry, aeb) {
foreach_in_list_use_after(aeb_entry, entry, &aeb) {
/* Match current instruction's expression against those in AEB. */
if (instructions_match(inst, entry->generator)) {
found = true;
@ -194,7 +195,7 @@ fs_visitor::opt_cse_local(bblock_t *block, exec_list *aeb)
aeb_entry *entry = ralloc(cse_ctx, aeb_entry);
entry->tmp = reg_undef;
entry->generator = inst;
aeb->push_tail(entry);
aeb.push_tail(entry);
} else {
/* This is at least our second sighting of this expression.
* If we don't have a temporary already, make one.
@ -264,7 +265,7 @@ fs_visitor::opt_cse_local(bblock_t *block, exec_list *aeb)
}
}
foreach_in_list_safe(aeb_entry, entry, aeb) {
foreach_in_list_safe(aeb_entry, entry, &aeb) {
/* Kill all AEB entries that write a different value to or read from
* the flag register if we just wrote it.
*/
@ -322,9 +323,8 @@ fs_visitor::opt_cse()
for (int b = 0; b < cfg.num_blocks; b++) {
bblock_t *block = cfg.blocks[b];
exec_list aeb;
progress = opt_cse_local(block, &aeb) || progress;
progress = opt_cse_local(block) || progress;
}
return progress;