gallium: remove support for predicates from TGSI (v2)

Neved used.

v2: gallivm: rename "pred" -> "exec_mask"
    etnaviv: remove the cap
    gallium: fix tgsi_instruction::Padding

Reviewed-by: Nicolai Hähnle <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>

36 files changed, 26 insertions, 694 deletions

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_limits.h b/src/gallium/auxiliary/gallivm/lp_bld_limits.h
index 7a4c8e480cd..b8c5c800e6f 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_limits.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_limits.h
@@ -49,8 +49,6 @@
 
 #define LP_MAX_TGSI_IMMEDIATES 4096
 
-#define LP_MAX_TGSI_PREDS 16
-
 #define LP_MAX_TGSI_CONSTS 4096
 
 #define LP_MAX_TGSI_CONST_BUFFERS 16
@@ -109,8 +107,6 @@ gallivm_get_shader_param(enum pipe_shader_cap param)
       return PIPE_MAX_CONSTANT_BUFFERS;
    case PIPE_SHADER_CAP_MAX_TEMPS:
       return LP_MAX_TGSI_TEMPS;
-   case PIPE_SHADER_CAP_MAX_PREDS:
-      return LP_MAX_TGSI_PREDS;
    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
       return 1;
    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
index b6b3fe369b4..a9f3d449e74 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
@@ -458,7 +458,6 @@ struct lp_build_tgsi_soa_context
    LLVMValueRef immediates[LP_MAX_INLINED_IMMEDIATES][TGSI_NUM_CHANNELS];
    LLVMValueRef temps[LP_MAX_INLINED_TEMPS][TGSI_NUM_CHANNELS];
    LLVMValueRef addr[LP_MAX_TGSI_ADDRS][TGSI_NUM_CHANNELS];
-   LLVMValueRef preds[LP_MAX_TGSI_PREDS][TGSI_NUM_CHANNELS];
 
    /* We allocate/use this array of temps if (1 << TGSI_FILE_TEMPORARY) is
     * set in the indirect_files field.
@@ -552,7 +551,6 @@ struct lp_build_tgsi_aos_context
    LLVMValueRef immediates[LP_MAX_INLINED_IMMEDIATES];
    LLVMValueRef temps[LP_MAX_INLINED_TEMPS];
    LLVMValueRef addr[LP_MAX_TGSI_ADDRS];
-   LLVMValueRef preds[LP_MAX_TGSI_PREDS];
 
    /* We allocate/use this array of temps if (1 << TGSI_FILE_TEMPORARY) is
     * set in the indirect_files field.
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
index 2bd42916e50..58c39facfe0 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
@@ -256,10 +256,6 @@ lp_emit_store_aos(
       ptr = bld->addr[reg->Indirect.Index];
       break;
 
-   case TGSI_FILE_PREDICATE:
-      ptr = bld->preds[reg->Register.Index];
-      break;
-
    default:
       assert(0);
       return;
@@ -267,43 +263,6 @@ lp_emit_store_aos(
 
    if (!ptr)
       return;
-   /*
-    * Predicate
-    */
-
-   if (inst->Instruction.Predicate) {
-      LLVMValueRef pred;
-
-      assert(inst->Predicate.Index < LP_MAX_TGSI_PREDS);
-
-      pred = LLVMBuildLoad(builder,
-                           bld->preds[inst->Predicate.Index], "");
-
-      /*
-       * Convert the value to an integer mask.
-       */
-      pred = lp_build_compare(bld->bld_base.base.gallivm,
-                               bld->bld_base.base.type,
-                               PIPE_FUNC_NOTEQUAL,
-                               pred,
-                               bld->bld_base.base.zero);
-
-      if (inst->Predicate.Negate) {
-         pred = LLVMBuildNot(builder, pred, "");
-      }
-
-      pred = bld->bld_base.emit_swizzle(&bld->bld_base, pred,
-                         inst->Predicate.SwizzleX,
-                         inst->Predicate.SwizzleY,
-                         inst->Predicate.SwizzleZ,
-                         inst->Predicate.SwizzleW);
-
-      if (mask) {
-         mask = LLVMBuildAnd(builder, mask, pred, "");
-      } else {
-         mask = pred;
-      }
-   }
 
    /*
     * Writemask
@@ -442,11 +401,6 @@ lp_emit_declaration_aos(
          bld->addr[idx] = lp_build_alloca(gallivm, vec_type, "");
          break;
 
-      case TGSI_FILE_PREDICATE:
-         assert(idx < LP_MAX_TGSI_PREDS);
-         bld->preds[idx] = lp_build_alloca(gallivm, vec_type, "");
-         break;
-
       case TGSI_FILE_SAMPLER_VIEW:
          /*
           * The target stored here MUST match whatever there actually
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_info.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_info.c
index f8f43a561c8..e0cc0af279e 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_info.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_info.c
@@ -305,8 +305,7 @@ analyse_instruction(struct analysis_context *ctx,
       } else if (dst->File == TGSI_FILE_OUTPUT) {
          regs = info->output;
          max_regs = ARRAY_SIZE(info->output);
-      } else if (dst->File == TGSI_FILE_ADDRESS ||
-                 dst->File == TGSI_FILE_PREDICATE) {
+      } else if (dst->File == TGSI_FILE_ADDRESS) {
          continue;
       } else {
          assert(0);
@@ -389,8 +388,7 @@ analyse_instruction(struct analysis_context *ctx,
 
          memset(res, 0, sizeof res);
 
-         if (!inst->Instruction.Predicate &&
-             !inst->Instruction.Saturate) {
+         if (!inst->Instruction.Saturate) {
             for (chan = 0; chan < 4; ++chan) {
                if (dst->WriteMask & (1 << chan)) {
                   if (inst->Instruction.Opcode == TGSI_OPCODE_MOV) {
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index 6871795b4b2..bfa32b9ad54 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -753,30 +753,21 @@ static void lp_exec_default(struct lp_exec_mask *mask,
  */
 static void lp_exec_mask_store(struct lp_exec_mask *mask,
                                struct lp_build_context *bld_store,
-                               LLVMValueRef pred,
                                LLVMValueRef val,
                                LLVMValueRef dst_ptr)
 {
    LLVMBuilderRef builder = mask->bld->gallivm->builder;
+   LLVMValueRef exec_mask = mask->has_mask ? mask->exec_mask : NULL;
 
    assert(lp_check_value(bld_store->type, val));
    assert(LLVMGetTypeKind(LLVMTypeOf(dst_ptr)) == LLVMPointerTypeKind);
    assert(LLVMGetElementType(LLVMTypeOf(dst_ptr)) == LLVMTypeOf(val));
 
-   /* Mix the predicate and execution mask */
-   if (mask->has_mask) {
-      if (pred) {
-         pred = LLVMBuildAnd(builder, pred, mask->exec_mask, "");
-      } else {
-         pred = mask->exec_mask;
-      }
-   }
-
-   if (pred) {
+   if (exec_mask) {
       LLVMValueRef res, dst;
 
       dst = LLVMBuildLoad(builder, dst_ptr, "");
-      res = lp_build_select(bld_store, pred, val, dst);
+      res = lp_build_select(bld_store, exec_mask, val, dst);
       LLVMBuildStore(builder, res, dst_ptr);
    } else
       LLVMBuildStore(builder, val, dst_ptr);
@@ -1036,22 +1027,12 @@ emit_mask_scatter(struct lp_build_tgsi_soa_context *bld,
                   LLVMValueRef base_ptr,
                   LLVMValueRef indexes,
                   LLVMValueRef values,
-                  struct lp_exec_mask *mask,
-                  LLVMValueRef pred)
+                  struct lp_exec_mask *mask)
 {
    struct gallivm_state *gallivm = bld->bld_base.base.gallivm;
    LLVMBuilderRef builder = gallivm->builder;
    unsigned i;
-
-   /* Mix the predicate and execution mask */
-   if (mask->has_mask) {
-      if (pred) {
-         pred = LLVMBuildAnd(builder, pred, mask->exec_mask, "");
-      }
-      else {
-         pred = mask->exec_mask;
-      }
-   }
+   LLVMValueRef pred = mask->has_mask ? mask->exec_mask : NULL;
 
    /*
     * Loop over elements of index_vec, store scalar value.
@@ -1733,74 +1714,6 @@ emit_fetch_deriv(
       *ddy = lp_build_ddy(&bld->bld_base.base, src);
 }
 
-
-/**
- * Predicate.
- */
-static void
-emit_fetch_predicate(
-   struct lp_build_tgsi_soa_context *bld,
-   const struct tgsi_full_instruction *inst,
-   LLVMValueRef *pred)
-{
-   LLVMBuilderRef builder = bld->bld_base.base.gallivm->builder;
-   unsigned index;
-   unsigned char swizzles[4];
-   LLVMValueRef unswizzled[4] = {NULL, NULL, NULL, NULL};
-   LLVMValueRef value;
-   unsigned chan;
-
-   if (!inst->Instruction.Predicate) {
-      TGSI_FOR_EACH_CHANNEL( chan ) {
-         pred[chan] = NULL;
-      }
-      return;
-   }
-
-   swizzles[0] = inst->Predicate.SwizzleX;
-   swizzles[1] = inst->Predicate.SwizzleY;
-   swizzles[2] = inst->Predicate.SwizzleZ;
-   swizzles[3] = inst->Predicate.SwizzleW;
-
-   index = inst->Predicate.Index;
-   assert(index < LP_MAX_TGSI_PREDS);
-
-   TGSI_FOR_EACH_CHANNEL( chan ) {
-      unsigned swizzle = swizzles[chan];
-
-      /*
-       * Only fetch the predicate register channels that are actually listed
-       * in the swizzles
-       */
-      if (!unswizzled[swizzle]) {
-         value = LLVMBuildLoad(builder,
-                               bld->preds[index][swizzle], "");
-
-         /*
-          * Convert the value to an integer mask.
-          *
-          * TODO: Short-circuit this comparison -- a D3D setp_xx instructions
-          * is needlessly causing two comparisons due to storing the intermediate
-          * result as float vector instead of an integer mask vector.
-          */
-         value = lp_build_compare(bld->bld_base.base.gallivm,
-                                  bld->bld_base.base.type,
-                                  PIPE_FUNC_NOTEQUAL,
-                                  value,
-                                  bld->bld_base.base.zero);
-         if (inst->Predicate.Negate) {
-            value = LLVMBuildNot(builder, value, "");
-         }
-
-         unswizzled[swizzle] = value;
-      } else {
-         value = unswizzled[swizzle];
-      }
-
-      pred[chan] = value;
-   }
-}
-
 /**
  * store an array of 8 64-bit into two arrays of 8 floats
  * i.e.
@@ -1813,7 +1726,6 @@ emit_fetch_predicate(
 static void
 emit_store_64bit_chan(struct lp_build_tgsi_context *bld_base,
                       LLVMValueRef chan_ptr, LLVMValueRef chan_ptr2,
-                      LLVMValueRef pred,
                       LLVMValueRef value)
 {
    struct lp_build_tgsi_soa_context * bld = lp_soa_context(bld_base);
@@ -1841,8 +1753,8 @@ emit_store_64bit_chan(struct lp_build_tgsi_context *bld_base,
                                                   bld_base->base.type.length),
                                   "");
 
-   lp_exec_mask_store(&bld->exec_mask, float_bld, pred, temp, chan_ptr);
-   lp_exec_mask_store(&bld->exec_mask, float_bld, pred, temp2, chan_ptr2);
+   lp_exec_mask_store(&bld->exec_mask, float_bld, temp, chan_ptr);
+   lp_exec_mask_store(&bld->exec_mask, float_bld, temp2, chan_ptr2);
 }
 
 /**
@@ -1854,7 +1766,6 @@ emit_store_chan(
    const struct tgsi_full_instruction *inst,
    unsigned index,
    unsigned chan_index,
-   LLVMValueRef pred,
    LLVMValueRef value)
 {
    struct lp_build_tgsi_soa_context * bld = lp_soa_context(bld_base);
@@ -1917,7 +1828,7 @@ emit_store_chan(
 
          /* Scatter store values into output registers */
          emit_mask_scatter(bld, outputs_array, index_vec, value,
-                           &bld->exec_mask, pred);
+                           &bld->exec_mask);
       }
       else {
          LLVMValueRef out_ptr = lp_get_output_ptr(bld, reg->Register.Index,
@@ -1927,9 +1838,9 @@ emit_store_chan(
             LLVMValueRef out_ptr2 = lp_get_output_ptr(bld, reg->Register.Index,
                                                       chan_index + 1);
             emit_store_64bit_chan(bld_base, out_ptr, out_ptr2,
-                                  pred, value);
+                                  value);
          } else
-            lp_exec_mask_store(&bld->exec_mask, float_bld, pred, value, out_ptr);
+            lp_exec_mask_store(&bld->exec_mask, float_bld, value, out_ptr);
       }
       break;
 
@@ -1955,7 +1866,7 @@ emit_store_chan(
 
          /* Scatter store values into temp registers */
          emit_mask_scatter(bld, temps_array, index_vec, value,
-                           &bld->exec_mask, pred);
+                           &bld->exec_mask);
       }
       else {
          LLVMValueRef temp_ptr;
@@ -1966,10 +1877,10 @@ emit_store_chan(
                                                          reg->Register.Index,
                                                          chan_index + 1);
             emit_store_64bit_chan(bld_base, temp_ptr, temp_ptr2,
-                                  pred, value);
+                                  value);
          }
          else
-            lp_exec_mask_store(&bld->exec_mask, float_bld, pred, value, temp_ptr);
+            lp_exec_mask_store(&bld->exec_mask, float_bld, value, temp_ptr);
       }
       break;
 
@@ -1977,17 +1888,10 @@ emit_store_chan(
       assert(dtype == TGSI_TYPE_SIGNED);
       assert(LLVMTypeOf(value) == int_bld->vec_type);
       value = LLVMBuildBitCast(builder, value, int_bld->vec_type, "");
-      lp_exec_mask_store(&bld->exec_mask, int_bld, pred, value,
+      lp_exec_mask_store(&bld->exec_mask, int_bld, value,
                          bld->addr[reg->Register.Index][chan_index]);
       break;
 
-   case TGSI_FILE_PREDICATE:
-      assert(LLVMTypeOf(value) == float_bld->vec_type);
-      value = LLVMBuildBitCast(builder, value, float_bld->vec_type, "");
-      lp_exec_mask_store(&bld->exec_mask, float_bld, pred, value,
-                         bld->preds[reg->Register.Index][chan_index]);
-      break;
-
    default:
       assert( 0 );
    }
@@ -2037,18 +1941,14 @@ emit_store(
 
 {
    unsigned chan_index;
-   struct lp_build_tgsi_soa_context * bld = lp_soa_context(bld_base);
    enum tgsi_opcode_type dtype = tgsi_opcode_infer_dst_type(inst->Instruction.Opcode);
-   if(info->num_dst) {
-      LLVMValueRef pred[TGSI_NUM_CHANNELS];
-
-      emit_fetch_predicate( bld, inst, pred );
 
+   if(info->num_dst) {
       TGSI_FOR_EACH_DST0_ENABLED_CHANNEL( inst, chan_index ) {
 
          if (tgsi_type_is_64bit(dtype) && (chan_index == 1 || chan_index == 3))
              continue;
-         emit_store_chan(bld_base, inst, 0, chan_index, pred[chan_index], dst[chan_index]);
+         emit_store_chan(bld_base, inst, 0, chan_index, dst[chan_index]);
       }
    }
 }
@@ -2998,15 +2898,6 @@ lp_emit_declaration_soa(
       }
       break;
 
-   case TGSI_FILE_PREDICATE:
-      assert(last < LP_MAX_TGSI_PREDS);
-      for (idx = first; idx <= last; ++idx) {
-         for (i = 0; i < TGSI_NUM_CHANNELS; i++)
-            bld->preds[idx][i] = lp_build_alloca(gallivm, vec_type,
-                                                 "predicate");
-      }
-      break;
-
    case TGSI_FILE_SAMPLER_VIEW:
       /*
        * The target stored here MUST match whatever there actually
diff --git a/src/gallium/auxiliary/tgsi/tgsi_build.c b/src/gallium/auxiliary/tgsi/tgsi_build.c
index 773f8926cb2..39c20b5e886 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_build.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_build.c
@@ -637,7 +637,6 @@ tgsi_default_instruction( void )
    instruction.NrTokens = 0;
    instruction.Opcode = TGSI_OPCODE_MOV;
    instruction.Saturate = 0;
-   instruction.Predicate = 0;
    instruction.NumDstRegs = 1;
    instruction.NumSrcRegs = 1;
    instruction.Label = 0;
@@ -651,7 +650,6 @@ tgsi_default_instruction( void )
 static struct tgsi_instruction
 tgsi_build_instruction(unsigned opcode,
                        unsigned saturate,
-                       unsigned predicate,
                        unsigned num_dst_regs,
                        unsigned num_src_regs,
                        struct tgsi_header *header)
@@ -666,7 +664,6 @@ tgsi_build_instruction(unsigned opcode,
    instruction = tgsi_default_instruction();
    instruction.Opcode = opcode;
    instruction.Saturate = saturate;
-   instruction.Predicate = predicate;
    instruction.NumDstRegs = num_dst_regs;
    instruction.NumSrcRegs = num_src_regs;
 
@@ -687,47 +684,6 @@ instruction_grow(
    header_bodysize_grow( header );
 }
 
-struct tgsi_instruction_predicate
-tgsi_default_instruction_predicate(void)
-{
-   struct tgsi_instruction_predicate instruction_predicate;
-
-   instruction_predicate.SwizzleX = TGSI_SWIZZLE_X;
-   instruction_predicate.SwizzleY = TGSI_SWIZZLE_Y;
-   instruction_predicate.SwizzleZ = TGSI_SWIZZLE_Z;
-   instruction_predicate.SwizzleW = TGSI_SWIZZLE_W;
-   instruction_predicate.Negate = 0;
-   instruction_predicate.Index = 0;
-   instruction_predicate.Padding = 0;
-
-   return instruction_predicate;
-}
-
-static struct tgsi_instruction_predicate
-tgsi_build_instruction_predicate(int index,
-                                 unsigned negate,
-                                 unsigned swizzleX,
-                                 unsigned swizzleY,
-                                 unsigned swizzleZ,
-                                 unsigned swizzleW,
-                                 struct tgsi_instruction *instruction,
-                                 struct tgsi_header *header)
-{
-   struct tgsi_instruction_predicate instruction_predicate;
-
-   instruction_predicate = tgsi_default_instruction_predicate();
-   instruction_predicate.SwizzleX = swizzleX;
-   instruction_predicate.SwizzleY = swizzleY;
-   instruction_predicate.SwizzleZ = swizzleZ;
-   instruction_predicate.SwizzleW = swizzleW;
-   instruction_predicate.Negate = negate;
-   instruction_predicate.Index = index;
-
-   instruction_grow(instruction, header);
-
-   return instruction_predicate;
-}
-
 static struct tgsi_instruction_label
 tgsi_default_instruction_label( void )
 {
@@ -1066,7 +1022,6 @@ tgsi_default_full_instruction( void )
    unsigned i;
 
    full_instruction.Instruction = tgsi_default_instruction();
-   full_instruction.Predicate = tgsi_default_instruction_predicate();
    full_instruction.Label = tgsi_default_instruction_label();
    full_instruction.Texture = tgsi_default_instruction_texture();
    full_instruction.Memory = tgsi_default_instruction_memory();
@@ -1102,32 +1057,11 @@ tgsi_build_full_instruction(
 
    *instruction = tgsi_build_instruction(full_inst->Instruction.Opcode,
                                          full_inst->Instruction.Saturate,
-                                         full_inst->Instruction.Predicate,
                                          full_inst->Instruction.NumDstRegs,
                                          full_inst->Instruction.NumSrcRegs,
                                          header);
    prev_token = (struct tgsi_token  *) instruction;
 
-   if (full_inst->Instruction.Predicate) {
-      struct tgsi_instruction_predicate *instruction_predicate;
-
-      if (maxsize <= size) {
-         return 0;
-      }
-      instruction_predicate = (struct tgsi_instruction_predicate *)&tokens[size];
-      size++;
-
-      *instruction_predicate =
-         tgsi_build_instruction_predicate(full_inst->Predicate.Index,
-                                          full_inst->Predicate.Negate,
-                                          full_inst->Predicate.SwizzleX,
-                                          full_inst->Predicate.SwizzleY,
-                                          full_inst->Predicate.SwizzleZ,
-                                          full_inst->Predicate.SwizzleW,
-                                          instruction,
-                                          header);
-   }
-
    if (full_inst->Instruction.Label) {
       struct tgsi_instruction_label *instruction_label;
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_build.h b/src/gallium/auxiliary/tgsi/tgsi_build.h
index 34d181ab247..53f31932c02 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_build.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_build.h
@@ -110,9 +110,6 @@ tgsi_build_full_instruction(
    struct tgsi_header *header,
    unsigned maxsize );
 
-struct tgsi_instruction_predicate
-tgsi_default_instruction_predicate(void);
-
 struct tgsi_full_src_register
 tgsi_full_src_register_from_dst(const struct tgsi_full_dst_register *dst);
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.c b/src/gallium/auxiliary/tgsi/tgsi_dump.c
index 6c0fcf8572b..f6eba7424b3 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_dump.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_dump.c
@@ -578,30 +578,6 @@ iter_instruction(
       TXT( "  " );
    ctx->indent += info->post_indent;
 
-   if (inst->Instruction.Predicate) {
-      CHR( '(' );
-
-      if (inst->Predicate.Negate)
-         CHR( '!' );
-
-      TXT( "PRED[" );
-      SID( inst->Predicate.Index );
-      CHR( ']' );
-
-      if (inst->Predicate.SwizzleX != TGSI_SWIZZLE_X ||
-          inst->Predicate.SwizzleY != TGSI_SWIZZLE_Y ||
-          inst->Predicate.SwizzleZ != TGSI_SWIZZLE_Z ||
-          inst->Predicate.SwizzleW != TGSI_SWIZZLE_W) {
-         CHR( '.' );
-         ENM( inst->Predicate.SwizzleX, tgsi_swizzle_names );
-         ENM( inst->Predicate.SwizzleY, tgsi_swizzle_names );
-         ENM( inst->Predicate.SwizzleZ, tgsi_swizzle_names );
-         ENM( inst->Predicate.SwizzleW, tgsi_swizzle_names );
-      }
-
-      TXT( ") " );
-   }
-
    TXT( info->mnemonic );
 
    if (inst->Instruction.Saturate) {
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 48d91af3e16..c41954cbf76 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -1291,7 +1291,6 @@ tgsi_exec_machine_create(enum pipe_shader_type shader_type)
    mach->ShaderType = shader_type;
    mach->Addrs = &mach->Temps[TGSI_EXEC_TEMP_ADDR];
    mach->MaxGeometryShaderOutputs = TGSI_MAX_TOTAL_VERTICES;
-   mach->Predicates = &mach->Temps[TGSI_EXEC_TEMP_P0];
 
    if (shader_type != PIPE_SHADER_COMPUTE) {
       mach->Inputs = align_malloc(sizeof(struct tgsi_exec_vector) * PIPE_MAX_SHADER_INPUTS, 16);
@@ -1559,15 +1558,6 @@ fetch_src_file_channel(const struct tgsi_exec_machine *mach,
       }
       break;
 
-   case TGSI_FILE_PREDICATE:
-      for (i = 0; i < TGSI_QUAD_SIZE; i++) {
-         assert(index->i[i] >= 0 && index->i[i] < TGSI_EXEC_NUM_PREDS);
-         assert(index2D->i[i] == 0);
-
-         chan->u[i] = mach->Predicates[0].xyzw[swizzle].u[i];
-      }
-      break;
-
    case TGSI_FILE_OUTPUT:
       /* vertex/fragment output vars can be read too */
       for (i = 0; i < TGSI_QUAD_SIZE; i++) {
@@ -1770,11 +1760,9 @@ store_dest_dstret(struct tgsi_exec_machine *mach,
                  uint chan_index,
                  enum tgsi_exec_datatype dst_datatype)
 {
-   uint i;
    static union tgsi_exec_channel null;
    union tgsi_exec_channel *dst;
    union tgsi_exec_channel index2D;
-   uint execmask = mach->ExecMask;
    int offset = 0;  /* indirection offset */
    int index;
 
@@ -1926,58 +1914,11 @@ store_dest_dstret(struct tgsi_exec_machine *mach,
       dst = &mach->Addrs[index].xyzw[chan_index];
       break;
 
-   case TGSI_FILE_PREDICATE:
-      index = reg->Register.Index;
-      assert(index < TGSI_EXEC_NUM_PREDS);
-      dst = &mach->Predicates[index].xyzw[chan_index];
-      break;
-
    default:
       assert( 0 );
       return NULL;
    }
 
-   if (inst->Instruction.Predicate) {
-      uint swizzle;
-      union tgsi_exec_channel *pred;
-
-      switch (chan_index) {
-      case TGSI_CHAN_X:
-         swizzle = inst->Predicate.SwizzleX;
-         break;
-      case TGSI_CHAN_Y:
-         swizzle = inst->Predicate.SwizzleY;
-         break;
-      case TGSI_CHAN_Z:
-         swizzle = inst->Predicate.SwizzleZ;
-         break;
-      case TGSI_CHAN_W:
-         swizzle = inst->Predicate.SwizzleW;
-         break;
-      default:
-         assert(0);
-         return NULL;
-      }
-
-      assert(inst->Predicate.Index == 0);
-
-      pred = &mach->Predicates[inst->Predicate.Index].xyzw[swizzle];
-
-      if (inst->Predicate.Negate) {
-         for (i = 0; i < TGSI_QUAD_SIZE; i++) {
-            if (pred->u[i]) {
-               execmask &= ~(1 << i);
-            }
-         }
-      } else {
-         for (i = 0; i < TGSI_QUAD_SIZE; i++) {
-            if (!pred->u[i]) {
-               execmask &= ~(1 << i);
-            }
-         }
-      }
-   }
-
    return dst;
 }
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index d78b3c819e8..5708a5061a6 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -273,10 +273,6 @@ struct tgsi_sampler
 #define TGSI_EXEC_TEMP_ADDR         (TGSI_EXEC_NUM_TEMPS + 8)
 #define TGSI_EXEC_NUM_ADDRS         3
 
-/* predicate register */
-#define TGSI_EXEC_TEMP_P0           (TGSI_EXEC_NUM_TEMPS + 11)
-#define TGSI_EXEC_NUM_PREDS         1
-
 #define TGSI_EXEC_NUM_TEMP_EXTRAS   12
 
 
@@ -359,7 +355,6 @@ struct tgsi_exec_machine
    struct tgsi_exec_vector       SystemValue[TGSI_MAX_MISC_INPUTS];
 
    struct tgsi_exec_vector       *Addrs;
-   struct tgsi_exec_vector       *Predicates;
 
    struct tgsi_sampler           *Sampler;
 
@@ -505,8 +500,6 @@ tgsi_exec_get_shader_param(enum pipe_shader_cap param)
       return PIPE_MAX_CONSTANT_BUFFERS;
    case PIPE_SHADER_CAP_MAX_TEMPS:
       return TGSI_EXEC_NUM_TEMPS;
-   case PIPE_SHADER_CAP_MAX_PREDS:
-      return TGSI_EXEC_NUM_PREDS;
    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
       return 1;
    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
diff --git a/src/gallium/auxiliary/tgsi/tgsi_parse.c b/src/gallium/auxiliary/tgsi/tgsi_parse.c
index 940af7d302c..c706fc8ae2e 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_parse.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_parse.c
@@ -182,10 +182,6 @@ tgsi_parse_token(
       memset(inst, 0, sizeof *inst);
       copy_token(&inst->Instruction, &token);
 
-      if (inst->Instruction.Predicate) {
-         next_token(ctx, &inst->Predicate);
-      }
-
       if (inst->Instruction.Label) {
          next_token( ctx, &inst->Label);
       }
diff --git a/src/gallium/auxiliary/tgsi/tgsi_parse.h b/src/gallium/auxiliary/tgsi/tgsi_parse.h
index 4689fb797d0..07806ab3553 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_parse.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_parse.h
@@ -88,7 +88,6 @@ struct tgsi_full_property
 struct tgsi_full_instruction
 {
    struct tgsi_instruction             Instruction;
-   struct tgsi_instruction_predicate   Predicate;
    struct tgsi_instruction_label       Label;
    struct tgsi_instruction_texture     Texture;
    struct tgsi_instruction_memory      Memory;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sanity.c b/src/gallium/auxiliary/tgsi/tgsi_sanity.c
index 239a2c93835..a95bbfa9880 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sanity.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sanity.c
@@ -256,7 +256,6 @@ static const char *file_names[TGSI_FILE_COUNT] =
    "SAMP",
    "ADDR",
    "IMM",
-   "PRED",
    "SV",
    "RES"
 };
diff --git a/src/gallium/auxiliary/tgsi/tgsi_strings.c b/src/gallium/auxiliary/tgsi/tgsi_strings.c
index d7201fc5069..85bb8d1727f 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_strings.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_strings.c
@@ -52,7 +52,6 @@ static const char *tgsi_file_names[] =
    "SAMP",
    "ADDR",
    "IMM",
-   "PRED",
    "SV",
    "IMAGE",
    "SVIEW",
diff --git a/src/gallium/auxiliary/tgsi/tgsi_text.c b/src/gallium/auxiliary/tgsi/tgsi_text.c
index 4ed905036f1..93a05568f49 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_text.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_text.c
@@ -1036,43 +1036,6 @@ parse_instruction(
 
    inst = tgsi_default_full_instruction();
 
-   /* Parse predicate.
-    */
-   eat_opt_white( &ctx->cur );
-   if (*ctx->cur == '(') {
-      uint file;
-      int index;
-      uint swizzle[4];
-      boolean parsed_swizzle;
-
-      inst.Instruction.Predicate = 1;
-
-      ctx->cur++;
-      if (*ctx->cur == '!') {
-         ctx->cur++;
-         inst.Predicate.Negate = 1;
-      }
-
-      if (!parse_register_1d( ctx, &file, &index ))
-         return FALSE;
-
-      if (parse_optional_swizzle( ctx, swizzle, &parsed_swizzle, 4 )) {
-         if (parsed_swizzle) {
-            inst.Predicate.SwizzleX = swizzle[0];
-            inst.Predicate.SwizzleY = swizzle[1];
-            inst.Predicate.SwizzleZ = swizzle[2];
-            inst.Predicate.SwizzleW = swizzle[3];
-         }
-      }
-
-      if (*ctx->cur != ')') {
-         report_error( ctx, "Expected `)'" );
-         return FALSE;
-      }
-
-      ctx->cur++;
-   }
-
    /* Parse instruction name.
     */
    eat_opt_white( &ctx->cur );
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index ab0a3ebe1a5..9eb00d09194 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -57,7 +57,6 @@ union tgsi_any_token {
    struct tgsi_immediate imm;
    union  tgsi_immediate_data imm_data;
    struct tgsi_instruction insn;
-   struct tgsi_instruction_predicate insn_predicate;
    struct tgsi_instruction_label insn_label;
    struct tgsi_instruction_texture insn_texture;
    struct tgsi_instruction_memory insn_memory;
@@ -83,7 +82,6 @@ struct ureg_tokens {
 #define UREG_MAX_CONSTANT_RANGE 32
 #define UREG_MAX_IMMEDIATE 4096
 #define UREG_MAX_ADDR 3
-#define UREG_MAX_PRED 1
 #define UREG_MAX_ARRAY_TEMPS 256
 
 struct const_decl {
@@ -188,7 +186,6 @@ struct ureg_program
    unsigned properties[TGSI_PROPERTY_COUNT];
 
    unsigned nr_addrs;
-   unsigned nr_preds;
    unsigned nr_instructions;
 
    struct ureg_tokens domain[2];
@@ -263,6 +260,7 @@ static union tgsi_any_token *retrieve_token( struct ureg_program *ureg,
    return &ureg->domain[domain].tokens[nr];
 }
 
+
 void
 ureg_property(struct ureg_program *ureg, unsigned name, unsigned value)
 {
@@ -671,19 +669,6 @@ struct ureg_dst ureg_DECL_address( struct ureg_program *ureg )
    return ureg_dst_register( TGSI_FILE_ADDRESS, 0 );
 }
 
-/* Allocate a new predicate register.
- */
-struct ureg_dst
-ureg_DECL_predicate(struct ureg_program *ureg)
-{
-   if (ureg->nr_preds < UREG_MAX_PRED) {
-      return ureg_dst_register(TGSI_FILE_PREDICATE, ureg->nr_preds++);
-   }
-
-   assert(0);
-   return ureg_dst_register(TGSI_FILE_PREDICATE, 0);
-}
-
 /* Allocate a new sampler.
  */
 struct ureg_src ureg_DECL_sampler( struct ureg_program *ureg,
@@ -1228,17 +1213,11 @@ struct ureg_emit_insn_result
 ureg_emit_insn(struct ureg_program *ureg,
                unsigned opcode,
                boolean saturate,
-               boolean predicate,
-               boolean pred_negate,
-               unsigned pred_swizzle_x,
-               unsigned pred_swizzle_y,
-               unsigned pred_swizzle_z,
-               unsigned pred_swizzle_w,
                unsigned num_dst,
-               unsigned num_src )
+               unsigned num_src)
 {
    union tgsi_any_token *out;
-   uint count = predicate ? 2 : 1;
+   uint count = 1;
    struct ureg_emit_insn_result result;
 
    validate( opcode, num_dst, num_src );
@@ -1253,16 +1232,6 @@ ureg_emit_insn(struct ureg_program *ureg,
    result.insn_token = ureg->domain[DOMAIN_INSN].count - count;
    result.extended_token = result.insn_token;
 
-   if (predicate) {
-      out[0].insn.Predicate = 1;
-      out[1].insn_predicate = tgsi_default_instruction_predicate();
-      out[1].insn_predicate.Negate = pred_negate;
-      out[1].insn_predicate.SwizzleX = pred_swizzle_x;
-      out[1].insn_predicate.SwizzleY = pred_swizzle_y;
-      out[1].insn_predicate.SwizzleZ = pred_swizzle_z;
-      out[1].insn_predicate.SwizzleW = pred_swizzle_w;
-   }
-
    ureg->nr_instructions++;
 
    return result;
@@ -1389,33 +1358,16 @@ ureg_insn(struct ureg_program *ureg,
    struct ureg_emit_insn_result insn;
    unsigned i;
    boolean saturate;
-   boolean predicate;
-   boolean negate = FALSE;
-   unsigned swizzle[4] = { 0 };
 
    if (nr_dst && ureg_dst_is_empty(dst[0])) {
       return;
    }
 
    saturate = nr_dst ? dst[0].Saturate : FALSE;
-   predicate = nr_dst ? dst[0].Predicate : FALSE;
-   if (predicate) {
-      negate = dst[0].PredNegate;
-      swizzle[0] = dst[0].PredSwizzleX;
-      swizzle[1] = dst[0].PredSwizzleY;
-      swizzle[2] = dst[0].PredSwizzleZ;
-      swizzle[3] = dst[0].PredSwizzleW;
-   }
 
    insn = ureg_emit_insn(ureg,
                          opcode,
                          saturate,
-                         predicate,
-                         negate,
-                         swizzle[0],
-                         swizzle[1],
-                         swizzle[2],
-                         swizzle[3],
                          nr_dst,
                          nr_src);
 
@@ -1442,33 +1394,16 @@ ureg_tex_insn(struct ureg_program *ureg,
    struct ureg_emit_insn_result insn;
    unsigned i;
    boolean saturate;
-   boolean predicate;
-   boolean negate = FALSE;
-   unsigned swizzle[4] = { 0 };
 
    if (nr_dst && ureg_dst_is_empty(dst[0])) {
       return;
    }
 
    saturate = nr_dst ? dst[0].Saturate : FALSE;
-   predicate = nr_dst ? dst[0].Predicate : FALSE;
-   if (predicate) {
-      negate = dst[0].PredNegate;
-      swizzle[0] = dst[0].PredSwizzleX;
-      swizzle[1] = dst[0].PredSwizzleY;
-      swizzle[2] = dst[0].PredSwizzleZ;
-      swizzle[3] = dst[0].PredSwizzleW;
-   }
 
    insn = ureg_emit_insn(ureg,
                          opcode,
                          saturate,
-                         predicate,
-                         negate,
-                         swizzle[0],
-                         swizzle[1],
-                         swizzle[2],
-                         swizzle[3],
                          nr_dst,
                          nr_src);
 
@@ -1504,12 +1439,6 @@ ureg_memory_insn(struct ureg_program *ureg,
    insn = ureg_emit_insn(ureg,
                          opcode,
                          FALSE,
-                         FALSE,
-                         FALSE,
-                         TGSI_SWIZZLE_X,
-                         TGSI_SWIZZLE_Y,
-                         TGSI_SWIZZLE_Z,
-                         TGSI_SWIZZLE_W,
                          nr_dst,
                          nr_src);
 
@@ -2002,13 +1931,6 @@ static void emit_decls( struct ureg_program *ureg )
                        0, ureg->nr_addrs );
    }
 
-   if (ureg->nr_preds) {
-      emit_decl_range(ureg,
-                      TGSI_FILE_PREDICATE,
-                      0,
-                      ureg->nr_preds);
-   }
-
    for (i = 0; i < ureg->nr_immediates; i++) {
       emit_immediate( ureg,
                       ureg->immediate[i].value.u,
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
index 99908d9ce05..d301915948e 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
@@ -79,12 +79,6 @@ struct ureg_dst
    unsigned DimIndirect     : 1;  /* BOOL */
    unsigned Dimension       : 1;  /* BOOL */
    unsigned Saturate        : 1;  /* BOOL */
-   unsigned Predicate       : 1;
-   unsigned PredNegate      : 1;  /* BOOL */
-   unsigned PredSwizzleX    : 2;  /* TGSI_SWIZZLE_ */
-   unsigned PredSwizzleY    : 2;  /* TGSI_SWIZZLE_ */
-   unsigned PredSwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
-   unsigned PredSwizzleW    : 2;  /* TGSI_SWIZZLE_ */
    int      Index           : 16; /* SINT */
    int      IndirectIndex   : 16; /* SINT */
    unsigned IndirectFile    : 4;  /* TGSI_FILE_ */
@@ -348,9 +342,6 @@ ureg_release_temporary( struct ureg_program *ureg,
 struct ureg_dst
 ureg_DECL_address( struct ureg_program * );
 
-struct ureg_dst
-ureg_DECL_predicate(struct ureg_program *);
-
 /* Supply an index to the sampler declaration as this is the hook to
  * the external pipe_sampler state.  Users of this function probably
  * don't want just any sampler, but a specific one which they've set
@@ -594,14 +585,8 @@ struct ureg_emit_insn_result
 ureg_emit_insn(struct ureg_program *ureg,
                unsigned opcode,
                boolean saturate,
-               boolean predicate,
-               boolean pred_negate,
-               unsigned pred_swizzle_x,
-               unsigned pred_swizzle_y,
-               unsigned pred_swizzle_z,
-               unsigned pred_swizzle_w,
                unsigned num_dst,
-               unsigned num_src );
+               unsigned num_src);
 
 void
 ureg_emit_label(struct ureg_program *ureg,
@@ -645,12 +630,6 @@ static inline void ureg_##op( struct ureg_program *ureg )       \
    insn = ureg_emit_insn(ureg,                                  \
                          opcode,                                \
                          FALSE,                                 \
-                         FALSE,                                 \
-                         FALSE,                                 \
-                         TGSI_SWIZZLE_X,                        \
-                         TGSI_SWIZZLE_Y,                        \
-                         TGSI_SWIZZLE_Z,                        \
-                         TGSI_SWIZZLE_W,                        \
                          0,                                     \
                          0);                                    \
    ureg_fixup_insn_size( ureg, insn.insn_token );               \
@@ -665,12 +644,6 @@ static inline void ureg_##op( struct ureg_program *ureg,        \
    insn = ureg_emit_insn(ureg,                                  \
                          opcode,                                \
                          FALSE,                                 \
-                         FALSE,                                 \
-                         FALSE,                                 \
-                         TGSI_SWIZZLE_X,                        \
-                         TGSI_SWIZZLE_Y,                        \
-                         TGSI_SWIZZLE_Z,                        \
-                         TGSI_SWIZZLE_W,                        \
                          0,                                     \
                          1);                                    \
    ureg_emit_src( ureg, src );                                  \
@@ -686,12 +659,6 @@ static inline void ureg_##op( struct ureg_program *ureg,        \
    insn = ureg_emit_insn(ureg,                                  \
                          opcode,                                \
                          FALSE,                                 \
-                         FALSE,                                 \
-                         FALSE,                                 \
-                         TGSI_SWIZZLE_X,                        \
-                         TGSI_SWIZZLE_Y,                        \
-                         TGSI_SWIZZLE_Z,                        \
-                         TGSI_SWIZZLE_W,                        \
                          0,                                     \
                          0);                                    \
    ureg_emit_label( ureg, insn.extended_token, label_token );   \
@@ -708,12 +675,6 @@ static inline void ureg_##op( struct ureg_program *ureg,        \
    insn = ureg_emit_insn(ureg,                                  \
                          opcode,                                \
                          FALSE,                                 \
-                         FALSE,                                 \
-                         FALSE,                                 \
-                         TGSI_SWIZZLE_X,                        \
-                         TGSI_SWIZZLE_Y,                        \
-                         TGSI_SWIZZLE_Z,                        \
-                         TGSI_SWIZZLE_W,                        \
                          0,                                     \
                          1);                                    \
    ureg_emit_label( ureg, insn.extended_token, label_token );   \
@@ -732,12 +693,6 @@ static inline void ureg_##op( struct ureg_program *ureg,                \
    insn = ureg_emit_insn(ureg,                                          \
                          opcode,                                        \
                          dst.Saturate,                                  \
-                         dst.Predicate,                                 \
-                         dst.PredNegate,                                \
-                         dst.PredSwizzleX,                              \
-                         dst.PredSwizzleY,                              \
-                         dst.PredSwizzleZ,                              \
-                         dst.PredSwizzleW,                              \
                          1,                                             \
                          0);                                            \
    ureg_emit_dst( ureg, dst );                                          \
@@ -757,12 +712,6 @@ static inline void ureg_##op( struct ureg_program *ureg,                \
    insn = ureg_emit_insn(ureg,                                          \
                          opcode,                                        \
                          dst.Saturate,                                  \
-                         dst.Predicate,                                 \
-                         dst.PredNegate,                                \
-                         dst.PredSwizzleX,                              \
-                         dst.PredSwizzleY,                              \
-                         dst.PredSwizzleZ,                              \
-                         dst.PredSwizzleW,                              \
                          1,                                             \
                          1);                                            \
    ureg_emit_dst( ureg, dst );                                          \
@@ -783,12 +732,6 @@ static inline void ureg_##op( struct ureg_program *ureg,                \
    insn = ureg_emit_insn(ureg,                                          \
                          opcode,                                        \
                          dst.Saturate,                                  \
-                         dst.Predicate,                                 \
-                         dst.PredNegate,                                \
-                         dst.PredSwizzleX,                              \
-                         dst.PredSwizzleY,                              \
-                         dst.PredSwizzleZ,                              \
-                         dst.PredSwizzleW,                              \
                          1,                                             \
                          2);                                            \
    ureg_emit_dst( ureg, dst );                                          \
@@ -811,12 +754,6 @@ static inline void ureg_##op( struct ureg_program *ureg,                \
    insn = ureg_emit_insn(ureg,                                          \
                          opcode,                                        \
                          dst.Saturate,                                  \
-                         dst.Predicate,                                 \
-                         dst.PredNegate,                                \
-                         dst.PredSwizzleX,                              \
-                         dst.PredSwizzleY,                              \
-                         dst.PredSwizzleZ,                              \
-                         dst.PredSwizzleW,                              \
                          1,                                             \
                          2);                                            \
    ureg_emit_texture( ureg, insn.extended_token, target, 0 );		\
@@ -840,12 +777,6 @@ static inline void ureg_##op( struct ureg_program *ureg,                \
    insn = ureg_emit_insn(ureg,                                          \
                          opcode,                                        \
                          dst.Saturate,                                  \
-                         dst.Predicate,                                 \
-                         dst.PredNegate,                                \
-                         dst.PredSwizzleX,                              \
-                         dst.PredSwizzleY,                              \
-                         dst.PredSwizzleZ,                              \
-                         dst.PredSwizzleW,                              \
                          1,                                             \
                          2);                                            \
    ureg_emit_texture( ureg, insn.extended_token, target, 0 );           \
@@ -869,12 +800,6 @@ static inline void ureg_##op( struct ureg_program *ureg,                \
    insn = ureg_emit_insn(ureg,                                          \
                          opcode,                                        \
                          dst.Saturate,                                  \
-                         dst.Predicate,                                 \
-                         dst.PredNegate,                                \
-                         dst.PredSwizzleX,                              \
-                         dst.PredSwizzleY,                              \
-                         dst.PredSwizzleZ,                              \
-                         dst.PredSwizzleW,                              \
                          1,                                             \
                          3);                                            \
    ureg_emit_dst( ureg, dst );                                          \
@@ -899,12 +824,6 @@ static inline void ureg_##op( struct ureg_program *ureg,                \
    insn = ureg_emit_insn(ureg,                                          \
                          opcode,                                        \
                          dst.Saturate,                                  \
-                         dst.Predicate,                                 \
-                         dst.PredNegate,                                \
-                         dst.PredSwizzleX,                              \
-                         dst.PredSwizzleY,                              \
-                         dst.PredSwizzleZ,                              \
-                         dst.PredSwizzleW,                              \
                          1,                                             \
                          3);                                            \
    ureg_emit_texture( ureg, insn.extended_token, target, 0 );           \
@@ -931,12 +850,6 @@ static inline void ureg_##op( struct ureg_program *ureg,                \
    insn = ureg_emit_insn(ureg,                                          \
                          opcode,                                        \
                          dst.Saturate,                                  \
-                         dst.Predicate,                                 \
-                         dst.PredNegate,                                \
-                         dst.PredSwizzleX,                              \
-                         dst.PredSwizzleY,                              \
-                         dst.PredSwizzleZ,                              \
-                         dst.PredSwizzleW,                              \
                          1,                                             \
                          4);                                            \
    ureg_emit_texture( ureg, insn.extended_token, target, 0 );		\
@@ -964,12 +877,6 @@ static inline void ureg_##op( struct ureg_program *ureg,                \
    insn = ureg_emit_insn(ureg,                                          \
                          opcode,                                        \
                          dst.Saturate,                                  \
-                         dst.Predicate,                                 \
-                         dst.PredNegate,                                \
-                         dst.PredSwizzleX,                              \
-                         dst.PredSwizzleY,                              \
-                         dst.PredSwizzleZ,                              \
-                         dst.PredSwizzleW,                              \
                          1,                                             \
                          4);                                            \
    ureg_emit_texture( ureg, insn.extended_token, target, 0 );           \
@@ -997,12 +904,6 @@ static inline void ureg_##op( struct ureg_program *ureg,                \
    insn = ureg_emit_insn(ureg,                                          \
                          opcode,                                        \
                          dst.Saturate,                                  \
-                         dst.Predicate,                                 \
-                         dst.PredNegate,                                \
-                         dst.PredSwizzleX,                              \
-                         dst.PredSwizzleY,                              \
-                         dst.PredSwizzleZ,                              \
-                         dst.PredSwizzleW,                              \
                          1,                                             \
                          4);                                            \
    ureg_emit_dst( ureg, dst );                                          \
@@ -1030,12 +931,6 @@ static inline void ureg_##op( struct ureg_program *ureg,                \
    insn = ureg_emit_insn(ureg,                                          \
                          opcode,                                        \
                          dst.Saturate,                                  \
-                         dst.Predicate,                                 \
-                         dst.PredNegate,                                \
-                         dst.PredSwizzleX,                              \
-                         dst.PredSwizzleY,                              \
-                         dst.PredSwizzleZ,                              \
-                         dst.PredSwizzleW,                              \
                          1,                                             \
                          5);                                            \
    ureg_emit_dst( ureg, dst );                                          \
@@ -1064,12 +959,6 @@ static inline void ureg_##op( struct ureg_program *ureg,                \
    insn = ureg_emit_insn(ureg,                                          \
                          opcode,                                        \
                          dst.Saturate,                                  \
-                         dst.Predicate,                                 \
-                         dst.PredNegate,                                \
-                         dst.PredSwizzleX,                              \
-                         dst.PredSwizzleY,                              \
-                         dst.PredSwizzleZ,                              \
-                         dst.PredSwizzleW,                              \
                          1,                                             \
                          5);                                            \
    ureg_emit_texture( ureg, insn.extended_token, target, 0 );           \
@@ -1153,24 +1042,6 @@ ureg_saturate( struct ureg_dst reg )
    return reg;
 }
 
-static inline struct ureg_dst
-ureg_predicate(struct ureg_dst reg,
-               boolean negate,
-               unsigned swizzle_x,
-               unsigned swizzle_y,
-               unsigned swizzle_z,
-               unsigned swizzle_w)
-{
-   assert(reg.File != TGSI_FILE_NULL);
-   reg.Predicate = 1;
-   reg.PredNegate = negate;
-   reg.PredSwizzleX = swizzle_x;
-   reg.PredSwizzleY = swizzle_y;
-   reg.PredSwizzleZ = swizzle_z;
-   reg.PredSwizzleW = swizzle_w;
-   return reg;
-}
-
 static inline struct ureg_dst 
 ureg_dst_indirect( struct ureg_dst reg, struct ureg_src addr )
 {
@@ -1271,12 +1142,6 @@ ureg_dst_array_register(unsigned file,
    dst.IndirectIndex = 0;
    dst.IndirectSwizzle = 0;
    dst.Saturate  = 0;
-   dst.Predicate = 0;
-   dst.PredNegate = 0;
-   dst.PredSwizzleX = TGSI_SWIZZLE_X;
-   dst.PredSwizzleY = TGSI_SWIZZLE_Y;
-   dst.PredSwizzleZ = TGSI_SWIZZLE_Z;
-   dst.PredSwizzleW = TGSI_SWIZZLE_W;
    dst.Index     = index;
    dst.Dimension = 0;
    dst.DimensionIndex = 0;
@@ -1312,12 +1177,6 @@ ureg_dst( struct ureg_src src )
    dst.IndirectIndex = src.IndirectIndex;
    dst.IndirectSwizzle = src.IndirectSwizzle;
    dst.Saturate  = 0;
-   dst.Predicate = 0;
-   dst.PredNegate = 0;
-   dst.PredSwizzleX = TGSI_SWIZZLE_X;
-   dst.PredSwizzleY = TGSI_SWIZZLE_Y;
-   dst.PredSwizzleZ = TGSI_SWIZZLE_Z;
-   dst.PredSwizzleW = TGSI_SWIZZLE_W;
    dst.Index     = src.Index;
    dst.Dimension = src.Dimension;
    dst.DimensionIndex = src.DimensionIndex;
@@ -1409,12 +1268,6 @@ ureg_dst_undef( void )
    dst.IndirectIndex = 0;
    dst.IndirectSwizzle = 0;
    dst.Saturate  = 0;
-   dst.Predicate = 0;
-   dst.PredNegate = 0;
-   dst.PredSwizzleX = TGSI_SWIZZLE_X;
-   dst.PredSwizzleY = TGSI_SWIZZLE_Y;
-   dst.PredSwizzleZ = TGSI_SWIZZLE_Z;
-   dst.PredSwizzleW = TGSI_SWIZZLE_W;
    dst.Index     = 0;
    dst.Dimension = 0;
    dst.DimensionIndex = 0;
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index 947b843b799..28be39fc33f 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -435,7 +435,6 @@ file is still supported. In that case, the constbuf index is assumed
 to be 0.
 
 * ``PIPE_SHADER_CAP_MAX_TEMPS``: The maximum number of temporary registers.
-* ``PIPE_SHADER_CAP_MAX_PREDS``: The maximum number of predicate registers.
 * ``PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED``: Whether the continue opcode is supported.
 * ``PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR``: Whether indirect addressing
   of the input file is supported.
diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c b/src/gallium/drivers/etnaviv/etnaviv_screen.c
index 11053c6461c..1d28800c066 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_screen.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c
@@ -396,8 +396,6 @@ etna_screen_get_shader_param(struct pipe_screen *pscreen,
       return 64; /* Max native temporaries. */
    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
       return 1;
-   case PIPE_SHADER_CAP_MAX_PREDS:
-      return 0; /* nothing uses this */
    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
       return 1;
    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index 2eaedc0dcac..d4c16dadc58 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -476,8 +476,6 @@ fd_screen_get_shader_param(struct pipe_screen *pscreen,
 		return ((is_a3xx(screen) || is_a4xx(screen) || is_a5xx(screen)) ? 4096 : 64) * sizeof(float[4]);
 	case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 		return is_ir3(screen) ? 16 : 1;
-	case PIPE_SHADER_CAP_MAX_PREDS:
-		return 0; /* nothing uses this */
 	case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 		return 1;
 	case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
diff --git a/src/gallium/drivers/i915/i915_fpc.h b/src/gallium/drivers/i915/i915_fpc.h
index adc42542fea..309cf8e67f9 100644
--- a/src/gallium/drivers/i915/i915_fpc.h
+++ b/src/gallium/drivers/i915/i915_fpc.h
@@ -296,7 +296,6 @@ struct i915_full_instruction
 {
    struct tgsi_instruction             Instruction;
 /*
-   struct tgsi_instruction_predicate   Predicate;
    struct tgsi_instruction_label       Label;
 */
    struct tgsi_instruction_texture     Texture;
diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c
index 703c49a0fa1..2938af52d95 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -146,8 +146,6 @@ i915_get_shader_param(struct pipe_screen *screen,
          return 1;
       case PIPE_SHADER_CAP_MAX_TEMPS:
          return 12; /* XXX: 12 -> 32 ? */
-      case PIPE_SHADER_CAP_MAX_PREDS:
-         return 0;
       case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
       case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
          return 0;
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
index 7aaeedf8dde..13625bf3bd8 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
@@ -413,7 +413,6 @@ static nv50_ir::DataFile translateFile(uint file)
    case TGSI_FILE_OUTPUT:          return nv50_ir::FILE_SHADER_OUTPUT;
    case TGSI_FILE_TEMPORARY:       return nv50_ir::FILE_GPR;
    case TGSI_FILE_ADDRESS:         return nv50_ir::FILE_ADDRESS;
-   case TGSI_FILE_PREDICATE:       return nv50_ir::FILE_PREDICATE;
    case TGSI_FILE_IMMEDIATE:       return nv50_ir::FILE_IMMEDIATE;
    case TGSI_FILE_SYSTEM_VALUE:    return nv50_ir::FILE_SYSTEM_VALUE;
    case TGSI_FILE_BUFFER:          return nv50_ir::FILE_MEMORY_BUFFER;
@@ -1484,7 +1483,6 @@ bool Source::scanDeclaration(const struct tgsi_full_declaration *decl)
    case TGSI_FILE_ADDRESS:
    case TGSI_FILE_CONSTANT:
    case TGSI_FILE_IMMEDIATE:
-   case TGSI_FILE_PREDICATE:
    case TGSI_FILE_SAMPLER:
    case TGSI_FILE_BUFFER:
       break;
@@ -1745,7 +1743,6 @@ private:
    DataArray tData; // TGSI_FILE_TEMPORARY
    DataArray lData; // TGSI_FILE_TEMPORARY, for indirect arrays
    DataArray aData; // TGSI_FILE_ADDRESS
-   DataArray pData; // TGSI_FILE_PREDICATE
    DataArray oData; // TGSI_FILE_OUTPUT (if outputs in registers)
 
    Value *zero;
@@ -1968,8 +1965,6 @@ Converter::getArrayForFile(unsigned file, int idx)
    switch (file) {
    case TGSI_FILE_TEMPORARY:
       return idx == 0 ? &tData : &lData;
-   case TGSI_FILE_PREDICATE:
-      return &pData;
    case TGSI_FILE_ADDRESS:
       return &aData;
    case TGSI_FILE_OUTPUT:
@@ -2138,7 +2133,6 @@ Converter::storeDst(const tgsi::Instruction::DstRegister dst, int c,
       }
    } else
    if (f == TGSI_FILE_TEMPORARY ||
-       f == TGSI_FILE_PREDICATE ||
        f == TGSI_FILE_ADDRESS ||
        f == TGSI_FILE_OUTPUT) {
       if (f == TGSI_FILE_TEMPORARY) {
@@ -4197,18 +4191,16 @@ Converter::exportOutputs()
 Converter::Converter(Program *ir, const tgsi::Source *code) : BuildUtil(ir),
      code(code),
      tgsi(NULL),
-     tData(this), lData(this), aData(this), pData(this), oData(this)
+     tData(this), lData(this), aData(this), oData(this)
 {
    info = code->info;
 
    const unsigned tSize = code->fileSize(TGSI_FILE_TEMPORARY);
-   const unsigned pSize = code->fileSize(TGSI_FILE_PREDICATE);
    const unsigned aSize = code->fileSize(TGSI_FILE_ADDRESS);
    const unsigned oSize = code->fileSize(TGSI_FILE_OUTPUT);
 
    tData.setup(TGSI_FILE_TEMPORARY, 0, 0, tSize, 4, 4, FILE_GPR, 0);
    lData.setup(TGSI_FILE_TEMPORARY, 1, 0, tSize, 4, 4, FILE_MEMORY_LOCAL, 0);
-   pData.setup(TGSI_FILE_PREDICATE, 0, 0, pSize, 4, 4, FILE_PREDICATE, 0);
    aData.setup(TGSI_FILE_ADDRESS, 0, 0, aSize, 4, 4, FILE_GPR, 0);
    oData.setup(TGSI_FILE_OUTPUT, 0, 0, oSize, 4, 4, FILE_GPR, 0);
 
diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
index ec8444da5cb..e2febc32710 100644
--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
@@ -294,7 +294,6 @@ nv30_screen_get_shader_param(struct pipe_screen *pscreen,
       case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
       case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
          return 0;
-      case PIPE_SHADER_CAP_MAX_PREDS:
       case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
       case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
       case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
@@ -342,7 +341,6 @@ nv30_screen_get_shader_param(struct pipe_screen *pscreen,
          return 32;
       case PIPE_SHADER_CAP_PREFERRED_IR:
          return PIPE_SHADER_IR_TGSI;
-      case PIPE_SHADER_CAP_MAX_PREDS:
       case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
       case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
       case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
index 452016c9e21..7cf66ac092c 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -327,8 +327,6 @@ nv50_screen_get_shader_param(struct pipe_screen *pscreen,
    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
       return 1;
-   case PIPE_SHADER_CAP_MAX_PREDS:
-      return 0;
    case PIPE_SHADER_CAP_MAX_TEMPS:
       return nv50_screen(pscreen)->max_tls_space / ONE_TEMP_SIZE;
    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index ab94d9c4e4a..17e270e4f84 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -367,8 +367,6 @@ nvc0_screen_get_shader_param(struct pipe_screen *pscreen,
    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
       return 1;
-   case PIPE_SHADER_CAP_MAX_PREDS:
-      return 0;
    case PIPE_SHADER_CAP_MAX_TEMPS:
       return NVC0_CAP_MAX_PROGRAM_TEMPS;
    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 54a56d3b3e6..39c71f5f9e2 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -331,8 +331,6 @@ static int r300_get_shader_param(struct pipe_screen *pscreen,
             return 1;
         case PIPE_SHADER_CAP_MAX_TEMPS:
             return is_r500 ? 128 : is_r400 ? 64 : 32;
-        case PIPE_SHADER_CAP_MAX_PREDS:
-            return 0; /* unused */
         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
            return r300screen->caps.num_tex_units;
@@ -390,8 +388,6 @@ static int r300_get_shader_param(struct pipe_screen *pscreen,
             return 1;
         case PIPE_SHADER_CAP_MAX_TEMPS:
             return 32;
-        case PIPE_SHADER_CAP_MAX_PREDS:
-            return 0; /* unused */
         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
             return 1;
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index c536712d93f..dbd5861a7a5 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -540,8 +540,6 @@ static int r600_get_shader_param(struct pipe_screen* pscreen,
 		}
 	case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 		return R600_MAX_USER_CONST_BUFFERS;
-	case PIPE_SHADER_CAP_MAX_PREDS:
-		return 0; /* nothing uses this */
 	case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 		return 1;
 	case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 41fabf3a314..bdaf28ced2c 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -397,10 +397,6 @@ static int tgsi_is_supported(struct r600_shader_ctx *ctx)
 		R600_ERR("too many dst (%d)\n", i->Instruction.NumDstRegs);
 		return -EINVAL;
 	}
-	if (i->Instruction.Predicate) {
-		R600_ERR("predicate unsupported\n");
-		return -EINVAL;
-	}
 #if 0
 	if (i->Instruction.Label) {
 		R600_ERR("label unsupported\n");
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index dfe0c25ba9d..5a4a2e276a5 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -674,7 +674,6 @@ static int si_get_shader_param(struct pipe_screen* pscreen,
 		return shader != PIPE_SHADER_GEOMETRY;
 
 	/* Unsupported boolean features. */
-	case PIPE_SHADER_CAP_MAX_PREDS:
 	case PIPE_SHADER_CAP_SUBROUTINES:
 	case PIPE_SHADER_CAP_SUPPORTED_IRS:
 	case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
index 3a0990ebd7b..fbe0a4d4ccb 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -481,8 +481,6 @@ vgpu9_get_shader_param(struct pipe_screen *screen,
 	  * does it is better to defer loop unrolling to the state tracker.
 	  */
          return 0;
-      case PIPE_SHADER_CAP_MAX_PREDS:
-         return 1;
       case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
          return 0;
       case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
@@ -540,8 +538,6 @@ vgpu9_get_shader_param(struct pipe_screen *screen,
       case PIPE_SHADER_CAP_MAX_TEMPS:
          val = get_uint_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS, 32);
          return MIN2(val, SVGA3D_TEMPREG_MAX);
-      case PIPE_SHADER_CAP_MAX_PREDS:
-         return 1;
       case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
          return 0;
       case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
@@ -646,8 +642,6 @@ vgpu10_get_shader_param(struct pipe_screen *screen,
    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
       return TRUE; /* XXX verify */
-   case PIPE_SHADER_CAP_MAX_PREDS:
-      return 0;
    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
    case PIPE_SHADER_CAP_SUBROUTINES:
diff --git a/src/gallium/drivers/vc4/vc4_screen.c b/src/gallium/drivers/vc4/vc4_screen.c
index 39f4ffd019a..8028537df0b 100644
--- a/src/gallium/drivers/vc4/vc4_screen.c
+++ b/src/gallium/drivers/vc4/vc4_screen.c
@@ -376,8 +376,6 @@ vc4_screen_get_shader_param(struct pipe_screen *pscreen,
                 return 16 * 1024 * sizeof(float);
         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
                 return 1;
-        case PIPE_SHADER_CAP_MAX_PREDS:
-                return 0; /* nothing uses this */
         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
                 return 0;
         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
diff --git a/src/gallium/drivers/virgl/virgl_screen.c b/src/gallium/drivers/virgl/virgl_screen.c
index a9c2543437a..466ca55dfd0 100644
--- a/src/gallium/drivers/virgl/virgl_screen.c
+++ b/src/gallium/drivers/virgl/virgl_screen.c
@@ -311,8 +311,6 @@ virgl_get_shader_param(struct pipe_screen *screen,
          return vscreen->caps.caps.v1.max_uniform_blocks;
     //  case PIPE_SHADER_CAP_MAX_ADDRS:
      //    return 1;
-      case PIPE_SHADER_CAP_MAX_PREDS:
-         return 0;
       case PIPE_SHADER_CAP_SUBROUTINES:
          return 1;
       case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index fc2fb7fddbb..ec4c093a849 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -803,7 +803,6 @@ enum pipe_shader_cap
    PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE,
    PIPE_SHADER_CAP_MAX_CONST_BUFFERS,
    PIPE_SHADER_CAP_MAX_TEMPS,
-   PIPE_SHADER_CAP_MAX_PREDS,
    /* boolean caps */
    PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED,
    PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR,
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index 8c08f27a34e..3d99a5f88bc 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -69,7 +69,6 @@ enum tgsi_file_type {
    TGSI_FILE_SAMPLER,
    TGSI_FILE_ADDRESS,
    TGSI_FILE_IMMEDIATE,
-   TGSI_FILE_PREDICATE,
    TGSI_FILE_SYSTEM_VALUE,
    TGSI_FILE_IMAGE,
    TGSI_FILE_SAMPLER_VIEW,
@@ -616,8 +615,6 @@ struct tgsi_property_data {
  * respectively. For a given operation code, those numbers are fixed and are
  * present here only for convenience.
  *
- * If Predicate is TRUE, tgsi_instruction_predicate token immediately follows.
- *
  * Saturate controls how are final results in destination registers modified.
  */
 
@@ -629,11 +626,10 @@ struct tgsi_instruction
    unsigned Saturate   : 1;  /* BOOL */
    unsigned NumDstRegs : 2;  /* UINT */
    unsigned NumSrcRegs : 4;  /* UINT */
-   unsigned Predicate  : 1;  /* BOOL */
    unsigned Label      : 1;
    unsigned Texture    : 1;
    unsigned Memory     : 1;
-   unsigned Padding    : 1;
+   unsigned Padding    : 2;
 };
 
 /*
@@ -709,21 +705,6 @@ struct tgsi_texture_offset
    unsigned Padding  : 6;
 };
 
-/*
- * For SM3, the following constraint applies.
- *   - Swizzle is either set to identity or replicate.
- */
-struct tgsi_instruction_predicate
-{
-   int      Index    : 16; /* SINT */
-   unsigned SwizzleX : 2;  /* TGSI_SWIZZLE_x */
-   unsigned SwizzleY : 2;  /* TGSI_SWIZZLE_x */
-   unsigned SwizzleZ : 2;  /* TGSI_SWIZZLE_x */
-   unsigned SwizzleW : 2;  /* TGSI_SWIZZLE_x */
-   unsigned Negate   : 1;  /* BOOL */
-   unsigned Padding  : 7;
-};
-
 /**
  * File specifies the register array to access.
  *
diff --git a/src/gallium/state_trackers/nine/nine_shader.c b/src/gallium/state_trackers/nine/nine_shader.c
index 7760a1ce1d3..6dcd97603d4 100644
--- a/src/gallium/state_trackers/nine/nine_shader.c
+++ b/src/gallium/state_trackers/nine/nine_shader.c
@@ -456,7 +456,6 @@ struct shader_translator
 
     boolean native_integers;
     boolean inline_subroutines;
-    boolean lower_preds;
     boolean want_texcoord;
     boolean shift_wpos;
     boolean wpos_is_sysval;
@@ -735,14 +734,6 @@ tx_addr_alloc(struct shader_translator *tx, INT idx)
         tx->regs.a0 = ureg_DECL_temporary(tx->ureg);
 }
 
-static inline void
-tx_pred_alloc(struct shader_translator *tx, INT idx)
-{
-    assert(idx == 0);
-    if (ureg_dst_is_undef(tx->regs.p))
-        tx->regs.p = ureg_DECL_predicate(tx->ureg);
-}
-
 /* NOTE: It's not very clear on which ps1.1-ps1.3 instructions
  * the projection should be applied on the texture. It doesn't
  * apply on texkill.
@@ -984,9 +975,7 @@ tx_src_param(struct shader_translator *tx, const struct sm1_src_param *param)
         }
         break;
     case D3DSPR_PREDICATE:
-        assert(!param->rel);
-        tx_pred_alloc(tx, param->idx);
-        src = ureg_src(tx->regs.p);
+        assert(!"D3DSPR_PREDICATE");
         break;
     case D3DSPR_SAMPLER:
         assert(param->mod == NINED3DSPSM_NONE);
@@ -1305,9 +1294,7 @@ _tx_dst_param(struct shader_translator *tx, const struct sm1_dst_param *param)
         dst = tx->regs.oDepth; /* XXX: must write .z component */
         break;
     case D3DSPR_PREDICATE:
-        assert(!param->rel);
-        tx_pred_alloc(tx, param->idx);
-        dst = tx->regs.p;
+        assert(!"D3DSPR_PREDICATE");
         break;
     case D3DSPR_TEMPFLOAT16:
         DBG("unhandled D3DSPR: %u\n", param->file);
@@ -3521,7 +3508,6 @@ nine_translate_shader(struct NineDevice9 *device, struct nine_shader_info *info,
 
     tx->native_integers = GET_SHADER_CAP(INTEGERS);
     tx->inline_subroutines = !GET_SHADER_CAP(SUBROUTINES);
-    tx->lower_preds = !GET_SHADER_CAP(MAX_PREDS);
     tx->want_texcoord = GET_CAP(TGSI_TEXCOORD);
     tx->shift_wpos = !GET_CAP(TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
     tx->texcoord_sn = tx->want_texcoord ?