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i965/fs: Clean up tabs in brw_fs_cse.cpp.

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I'm adding vec4 CSE, and I want to diff the files.
This commit is contained in:
Matt Turner
2014-06-11 13:01:31 -07:00
parent 4bb9d16fd3
commit f51a7e00da
1 changed files with 40 additions and 40 deletions
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80
src/mesa/drivers/dri/i965/brw_fs_cse.cpp
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@@ -136,39 +136,39 @@ fs_visitor::opt_cse_local(bblock_t *block, exec_list *aeb)
int ip = block->start_ip;
for (fs_inst *inst = (fs_inst *)block->start;
inst != block->end->next;
inst = (fs_inst *) inst->next) {
inst != block->end->next;
inst = (fs_inst *) inst->next) {
/* Skip some cases. */
if (is_expression(inst) && !inst->is_partial_write() &&
(inst->dst.file != HW_REG || inst->dst.is_null()))
{
bool found = false;
bool found = false;
aeb_entry *entry;
foreach_list(entry_node, aeb) {
entry = (aeb_entry *) entry_node;
aeb_entry *entry;
foreach_list(entry_node, aeb) {
entry = (aeb_entry *) entry_node;
/* Match current instruction's expression against those in AEB. */
if (instructions_match(inst, entry->generator)) {
found = true;
progress = true;
break;
}
}
/* Match current instruction's expression against those in AEB. */
if (instructions_match(inst, entry->generator)) {
found = true;
progress = true;
break;
}
}
if (!found) {
/* Our first sighting of this expression. Create an entry. */
aeb_entry *entry = ralloc(cse_ctx, aeb_entry);
entry->tmp = reg_undef;
entry->generator = inst;
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.
*/
bool no_existing_temp = entry->tmp.file == BAD_FILE;
if (no_existing_temp && !entry->generator->dst.is_null()) {
if (!found) {
/* Our first sighting of this expression. Create an entry. */
aeb_entry *entry = ralloc(cse_ctx, aeb_entry);
entry->tmp = reg_undef;
entry->generator = inst;
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.
*/
bool no_existing_temp = entry->tmp.file == BAD_FILE;
if (no_existing_temp && !entry->generator->dst.is_null()) {
int written = entry->generator->regs_written;
fs_reg orig_dst = entry->generator->dst;
@@ -186,9 +186,9 @@ fs_visitor::opt_cse_local(bblock_t *block, exec_list *aeb)
orig_dst.reg_offset++;
tmp.reg_offset++;
}
}
}
/* dest <- temp */
/* dest <- temp */
if (!inst->dst.is_null()) {
int written = inst->regs_written;
assert(written == entry->generator->regs_written);
@@ -214,17 +214,17 @@ fs_visitor::opt_cse_local(bblock_t *block, exec_list *aeb)
inst->remove();
/* Appending an instruction may have changed our bblock end. */
if (inst == block->end) {
block->end = prev;
}
/* Appending an instruction may have changed our bblock end. */
if (inst == block->end) {
block->end = prev;
}
inst = prev;
}
}
}
foreach_list_safe(entry_node, aeb) {
aeb_entry *entry = (aeb_entry *)entry_node;
aeb_entry *entry = (aeb_entry *)entry_node;
/* Kill all AEB entries that write a different value to or read from
* the flag register if we just wrote it.
@@ -239,17 +239,17 @@ fs_visitor::opt_cse_local(bblock_t *block, exec_list *aeb)
}
}
for (int i = 0; i < entry->generator->sources; i++) {
for (int i = 0; i < entry->generator->sources; i++) {
fs_reg *src_reg = &entry->generator->src[i];
/* Kill all AEB entries that use the destination we just
* overwrote.
*/
if (inst->overwrites_reg(entry->generator->src[i])) {
entry->remove();
ralloc_free(entry);
break;
}
entry->remove();
ralloc_free(entry);
break;
}
/* Kill any AEB entries using registers that don't get reused any
* more -- a sure sign they'll fail operands_match().
@@ -257,9 +257,9 @@ fs_visitor::opt_cse_local(bblock_t *block, exec_list *aeb)
if (src_reg->file == GRF && virtual_grf_end[src_reg->reg] < ip) {
entry->remove();
ralloc_free(entry);
break;
break;
}
}
}
}
ip++;