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

I'm adding vec4 CSE, and I want to diff the files.

diff --git a/src/mesa/drivers/dri/i965/brw_fs_cse.cpp b/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
index e0e3935..3414d50 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
@@ -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;
-
-        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;
-           }
-        }
-
-        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()) {
+         bool found = false;
+
+         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;
+            }
+         }
+
+         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++;