From 73e1405de0277bab2d617742ff5a764467e32899 Mon Sep 17 00:00:00 2001
From: José Fonseca <jfonseca@vmware.com>
Date: Tue, 27 Apr 2010 21:18:01 +0100
Subject: tgsi: Drop BGNFOR, ENDFOR, REP, and ENDREP opcodes.

---
 src/gallium/auxiliary/tgsi/tgsi_exec.c | 81 ----------------------------------
 1 file changed, 81 deletions(-)

(limited to 'src/gallium/auxiliary/tgsi/tgsi_exec.c')

diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 11045e4ba2..82eac05dc4 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -3186,14 +3186,6 @@ exec_instruction(
       *pc = -1;
       break;
 
-   case TGSI_OPCODE_REP:
-      assert (0);
-      break;
-
-   case TGSI_OPCODE_ENDREP:
-       assert (0);
-       break;
-
    case TGSI_OPCODE_PUSHA:
       assert (0);
       break;
@@ -3258,29 +3250,6 @@ exec_instruction(
       emit_primitive(mach);
       break;
 
-   case TGSI_OPCODE_BGNFOR:
-      assert(mach->LoopCounterStackTop < TGSI_EXEC_MAX_LOOP_NESTING);
-      for (chan_index = 0; chan_index < 3; chan_index++) {
-         FETCH( &mach->LoopCounterStack[mach->LoopCounterStackTop].xyzw[chan_index], 0, chan_index );
-      }
-      ++mach->LoopCounterStackTop;
-      STORE(&mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_X], 0, CHAN_X);
-      /* update LoopMask */
-      if (mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_Y].f[0] <= 0.0f) {
-         mach->LoopMask &= ~0x1;
-      }
-      if (mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_Y].f[1] <= 0.0f) {
-         mach->LoopMask &= ~0x2;
-      }
-      if (mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_Y].f[2] <= 0.0f) {
-         mach->LoopMask &= ~0x4;
-      }
-      if (mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_Y].f[3] <= 0.0f) {
-         mach->LoopMask &= ~0x8;
-      }
-      /* TODO: if mach->LoopMask == 0, jump to end of loop */
-      UPDATE_EXEC_MASK(mach);
-      /* fall-through (for now) */
    case TGSI_OPCODE_BGNLOOP:
       /* push LoopMask and ContMasks */
       assert(mach->LoopStackTop < TGSI_EXEC_MAX_LOOP_NESTING);
@@ -3295,56 +3264,6 @@ exec_instruction(
       mach->BreakType = TGSI_EXEC_BREAK_INSIDE_LOOP;
       break;
 
-   case TGSI_OPCODE_ENDFOR:
-      assert(mach->LoopCounterStackTop > 0);
-      micro_sub(&mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_Y], 
-                &mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_Y],
-                &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C]);
-      /* update LoopMask */
-      if (mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_Y].f[0] <= 0.0f) {
-         mach->LoopMask &= ~0x1;
-      }
-      if (mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_Y].f[1] <= 0.0f) {
-         mach->LoopMask &= ~0x2;
-      }
-      if (mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_Y].f[2] <= 0.0f) {
-         mach->LoopMask &= ~0x4;
-      }
-      if (mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_Y].f[3] <= 0.0f) {
-         mach->LoopMask &= ~0x8;
-      }
-      micro_add(&mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_X], 
-                &mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_X], 
-                &mach->LoopCounterStack[mach->LoopCounterStackTop - 1].xyzw[CHAN_Z]);
-      assert(mach->LoopLabelStackTop > 0);
-      inst = mach->Instructions + mach->LoopLabelStack[mach->LoopLabelStackTop - 1];
-      STORE(&mach->LoopCounterStack[mach->LoopCounterStackTop].xyzw[CHAN_X], 0, CHAN_X);
-      /* Restore ContMask, but don't pop */
-      assert(mach->ContStackTop > 0);
-      mach->ContMask = mach->ContStack[mach->ContStackTop - 1];
-      UPDATE_EXEC_MASK(mach);
-      if (mach->ExecMask) {
-         /* repeat loop: jump to instruction just past BGNLOOP */
-         assert(mach->LoopLabelStackTop > 0);
-         *pc = mach->LoopLabelStack[mach->LoopLabelStackTop - 1] + 1;
-      }
-      else {
-         /* exit loop: pop LoopMask */
-         assert(mach->LoopStackTop > 0);
-         mach->LoopMask = mach->LoopStack[--mach->LoopStackTop];
-         /* pop ContMask */
-         assert(mach->ContStackTop > 0);
-         mach->ContMask = mach->ContStack[--mach->ContStackTop];
-         assert(mach->LoopLabelStackTop > 0);
-         --mach->LoopLabelStackTop;
-         assert(mach->LoopCounterStackTop > 0);
-         --mach->LoopCounterStackTop;
-
-         mach->BreakType = mach->BreakStack[--mach->BreakStackTop];
-      }
-      UPDATE_EXEC_MASK(mach);
-      break;
-      
    case TGSI_OPCODE_ENDLOOP:
       /* Restore ContMask, but don't pop */
       assert(mach->ContStackTop > 0);
-- 
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