gallium: remove the swizzling parts of ExtSwizzle

These haven't been used by the mesa state tracker since the
conversion to tgsi_ureg, and it seems that none of the
other state trackers are using it either.

This helps simplify one of the biggest suprises when starting off with
TGSI shaders.

13 files changed, 38 insertions, 262 deletions

diff --git a/src/gallium/auxiliary/tgsi/tgsi_build.c b/src/gallium/auxiliary/tgsi/tgsi_build.c
index e0cfc54420e..98d36f43e4c 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_build.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_build.c
@@ -692,12 +692,8 @@ tgsi_build_full_instruction(
             tgsi_default_src_register_ext_swz() ) ) {
          struct tgsi_src_register_ext_swz *src_register_ext_swz;
 
-         /* Use of the extended swizzle requires the simple swizzle to be identity.
+         /* Use of the extended negate requires the simple negate to be identity.
           */
-         assert( reg->SrcRegister.SwizzleX == TGSI_SWIZZLE_X );
-         assert( reg->SrcRegister.SwizzleY == TGSI_SWIZZLE_Y );
-         assert( reg->SrcRegister.SwizzleZ == TGSI_SWIZZLE_Z );
-         assert( reg->SrcRegister.SwizzleW == TGSI_SWIZZLE_W );
          assert( reg->SrcRegister.Negate == FALSE );
 
          if( maxsize <= size )
@@ -707,10 +703,6 @@ tgsi_build_full_instruction(
          size++;
 
          *src_register_ext_swz = tgsi_build_src_register_ext_swz(
-            reg->SrcRegisterExtSwz.ExtSwizzleX,
-            reg->SrcRegisterExtSwz.ExtSwizzleY,
-            reg->SrcRegisterExtSwz.ExtSwizzleZ,
-            reg->SrcRegisterExtSwz.ExtSwizzleW,
             reg->SrcRegisterExtSwz.NegateX,
             reg->SrcRegisterExtSwz.NegateY,
             reg->SrcRegisterExtSwz.NegateZ,
@@ -1048,10 +1040,7 @@ tgsi_default_src_register_ext_swz( void )
    struct tgsi_src_register_ext_swz src_register_ext_swz;
 
    src_register_ext_swz.Type = TGSI_SRC_REGISTER_EXT_TYPE_SWZ;
-   src_register_ext_swz.ExtSwizzleX = TGSI_EXTSWIZZLE_X;
-   src_register_ext_swz.ExtSwizzleY = TGSI_EXTSWIZZLE_Y;
-   src_register_ext_swz.ExtSwizzleZ = TGSI_EXTSWIZZLE_Z;
-   src_register_ext_swz.ExtSwizzleW = TGSI_EXTSWIZZLE_W;
+   src_register_ext_swz.Padding0 = 0;
    src_register_ext_swz.NegateX = 0;
    src_register_ext_swz.NegateY = 0;
    src_register_ext_swz.NegateZ = 0;
@@ -1074,10 +1063,6 @@ tgsi_compare_src_register_ext_swz(
 
 struct tgsi_src_register_ext_swz
 tgsi_build_src_register_ext_swz(
-   unsigned ext_swizzle_x,
-   unsigned ext_swizzle_y,
-   unsigned ext_swizzle_z,
-   unsigned ext_swizzle_w,
    unsigned negate_x,
    unsigned negate_y,
    unsigned negate_z,
@@ -1088,20 +1073,12 @@ tgsi_build_src_register_ext_swz(
 {
    struct tgsi_src_register_ext_swz src_register_ext_swz;
 
-   assert( ext_swizzle_x <= TGSI_EXTSWIZZLE_ONE );
-   assert( ext_swizzle_y <= TGSI_EXTSWIZZLE_ONE );
-   assert( ext_swizzle_z <= TGSI_EXTSWIZZLE_ONE );
-   assert( ext_swizzle_w <= TGSI_EXTSWIZZLE_ONE );
    assert( negate_x <= 1 );
    assert( negate_y <= 1 );
    assert( negate_z <= 1 );
    assert( negate_w <= 1 );
 
    src_register_ext_swz = tgsi_default_src_register_ext_swz();
-   src_register_ext_swz.ExtSwizzleX = ext_swizzle_x;
-   src_register_ext_swz.ExtSwizzleY = ext_swizzle_y;
-   src_register_ext_swz.ExtSwizzleZ = ext_swizzle_z;
-   src_register_ext_swz.ExtSwizzleW = ext_swizzle_w;
    src_register_ext_swz.NegateX = negate_x;
    src_register_ext_swz.NegateY = negate_y;
    src_register_ext_swz.NegateZ = negate_z;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_build.h b/src/gallium/auxiliary/tgsi/tgsi_build.h
index 17d977b0597..5e0062a96fc 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_build.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_build.h
@@ -241,10 +241,6 @@ tgsi_compare_src_register_ext_swz(
 
 struct tgsi_src_register_ext_swz
 tgsi_build_src_register_ext_swz(
-   unsigned ext_swizzle_x,
-   unsigned ext_swizzle_y,
-   unsigned ext_swizzle_z,
-   unsigned ext_swizzle_w,
    unsigned negate_x,
    unsigned negate_y,
    unsigned negate_z,
diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.c b/src/gallium/auxiliary/tgsi/tgsi_dump.c
index 111d95b6665..3a584a10a10 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_dump.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_dump.c
@@ -148,15 +148,6 @@ static const char *texture_names[] =
    "SHADOWRECT"
 };
 
-static const char *extswizzle_names[] =
-{
-   "x",
-   "y",
-   "z",
-   "w",
-   "0",
-   "1"
-};
 
 static const char *modulate_names[TGSI_MODULATE_COUNT] =
 {
@@ -446,24 +437,6 @@ iter_instruction(
          ENM( src->SrcRegister.SwizzleZ, swizzle_names );
          ENM( src->SrcRegister.SwizzleW, swizzle_names );
       }
-      if (src->SrcRegisterExtSwz.ExtSwizzleX != TGSI_EXTSWIZZLE_X ||
-          src->SrcRegisterExtSwz.ExtSwizzleY != TGSI_EXTSWIZZLE_Y ||
-          src->SrcRegisterExtSwz.ExtSwizzleZ != TGSI_EXTSWIZZLE_Z ||
-          src->SrcRegisterExtSwz.ExtSwizzleW != TGSI_EXTSWIZZLE_W) {
-         CHR( '.' );
-         if (src->SrcRegisterExtSwz.NegateX)
-            TXT("-");
-         ENM( src->SrcRegisterExtSwz.ExtSwizzleX, extswizzle_names );
-         if (src->SrcRegisterExtSwz.NegateY)
-            TXT("-");
-         ENM( src->SrcRegisterExtSwz.ExtSwizzleY, extswizzle_names );
-         if (src->SrcRegisterExtSwz.NegateZ)
-            TXT("-");
-         ENM( src->SrcRegisterExtSwz.ExtSwizzleZ, extswizzle_names );
-         if (src->SrcRegisterExtSwz.NegateW)
-            TXT("-");
-         ENM( src->SrcRegisterExtSwz.ExtSwizzleW, extswizzle_names );
-      }
 
       if (src->SrcRegisterExtMod.Complement)
          CHR( ')' );
diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump_c.c b/src/gallium/auxiliary/tgsi/tgsi_dump_c.c
index 4a9c02b1413..4f59ed22b59 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_dump_c.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_dump_c.c
@@ -167,16 +167,6 @@ static const char *TGSI_SRC_REGISTER_EXTS[] =
    "SRC_REGISTER_EXT_TYPE_MOD"
 };
 
-static const char *TGSI_EXTSWIZZLES[] =
-{
-   "EXTSWIZZLE_X",
-   "EXTSWIZZLE_Y",
-   "EXTSWIZZLE_Z",
-   "EXTSWIZZLE_W",
-   "EXTSWIZZLE_ZERO",
-   "EXTSWIZZLE_ONE"
-};
-
 static const char *TGSI_WRITEMASKS[] =
 {
    "0",
@@ -560,22 +550,6 @@ dump_instruction_verbose(
          EOL();
          TXT( "\nType       : " );
          ENM( src->SrcRegisterExtSwz.Type, TGSI_SRC_REGISTER_EXTS );
-         if( deflt || fs->SrcRegisterExtSwz.ExtSwizzleX != src->SrcRegisterExtSwz.ExtSwizzleX ) {
-            TXT( "\nExtSwizzleX: " );
-            ENM( src->SrcRegisterExtSwz.ExtSwizzleX, TGSI_EXTSWIZZLES );
-         }
-         if( deflt || fs->SrcRegisterExtSwz.ExtSwizzleY != src->SrcRegisterExtSwz.ExtSwizzleY ) {
-            TXT( "\nExtSwizzleY: " );
-            ENM( src->SrcRegisterExtSwz.ExtSwizzleY, TGSI_EXTSWIZZLES );
-         }
-         if( deflt || fs->SrcRegisterExtSwz.ExtSwizzleZ != src->SrcRegisterExtSwz.ExtSwizzleZ ) {
-            TXT( "\nExtSwizzleZ: " );
-            ENM( src->SrcRegisterExtSwz.ExtSwizzleZ, TGSI_EXTSWIZZLES );
-         }
-         if( deflt || fs->SrcRegisterExtSwz.ExtSwizzleW != src->SrcRegisterExtSwz.ExtSwizzleW ) {
-            TXT( "\nExtSwizzleW: " );
-            ENM( src->SrcRegisterExtSwz.ExtSwizzleW, TGSI_EXTSWIZZLES );
-         }
          if( deflt || fs->SrcRegisterExtSwz.NegateX != src->SrcRegisterExtSwz.NegateX ) {
             TXT( "\nNegateX   : " );
             UID( src->SrcRegisterExtSwz.NegateX );
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index d9661c75a0a..14f0fc4e389 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -210,9 +210,8 @@ tgsi_check_soa_dependencies(const struct tgsi_full_instruction *inst)
          uint channelsWritten = 0x0;
          FOR_EACH_ENABLED_CHANNEL(*inst, chan) {
             /* check if we're reading a channel that's been written */
-            uint swizzle = tgsi_util_get_full_src_register_extswizzle(&inst->FullSrcRegisters[i], chan);
-            if (swizzle <= TGSI_SWIZZLE_W &&
-                (channelsWritten & (1 << swizzle))) {
+            uint swizzle = tgsi_util_get_full_src_register_swizzle(&inst->FullSrcRegisters[i], chan);
+            if (channelsWritten & (1 << swizzle)) {
                return TRUE;
             }
 
@@ -338,7 +337,7 @@ tgsi_exec_machine_bind_shader(
             /* XXX we only handle SOA dependencies properly for MOV/SWZ
              * at this time!
              */
-            if (opcode != TGSI_OPCODE_MOV && opcode != TGSI_OPCODE_SWZ) {
+            if (opcode != TGSI_OPCODE_MOV) {
                debug_printf("Warning: SOA dependency in instruction"
                             " is not handled:\n");
                tgsi_dump_instruction(&parse.FullToken.FullInstruction,
@@ -1130,10 +1129,10 @@ fetch_src_file_channel(
    union tgsi_exec_channel *chan )
 {
    switch( swizzle ) {
-   case TGSI_EXTSWIZZLE_X:
-   case TGSI_EXTSWIZZLE_Y:
-   case TGSI_EXTSWIZZLE_Z:
-   case TGSI_EXTSWIZZLE_W:
+   case TGSI_SWIZZLE_X:
+   case TGSI_SWIZZLE_Y:
+   case TGSI_SWIZZLE_Z:
+   case TGSI_SWIZZLE_W:
       switch( file ) {
       case TGSI_FILE_CONSTANT:
          assert(mach->Consts);
@@ -1201,14 +1200,6 @@ fetch_src_file_channel(
       }
       break;
 
-   case TGSI_EXTSWIZZLE_ZERO:
-      *chan = mach->Temps[TEMP_0_I].xyzw[TEMP_0_C];
-      break;
-
-   case TGSI_EXTSWIZZLE_ONE:
-      *chan = mach->Temps[TEMP_1_I].xyzw[TEMP_1_C];
-      break;
-
    default:
       assert( 0 );
    }
@@ -1367,7 +1358,7 @@ fetch_source(
        */
    }
 
-   swizzle = tgsi_util_get_full_src_register_extswizzle( reg, chan_index );
+   swizzle = tgsi_util_get_full_src_register_swizzle( reg, chan_index );
    fetch_src_file_channel(
       mach,
       reg->SrcRegister.File,
@@ -1689,10 +1680,8 @@ exec_kil(struct tgsi_exec_machine *mach,
    uint kilmask = 0; /* bit 0 = pixel 0, bit 1 = pixel 1, etc */
    union tgsi_exec_channel r[1];
 
-   /* This mask stores component bits that were already tested. Note that
-    * we test if the value is less than zero, so 1.0 and 0.0 need not to be
-    * tested. */
-   uniquemask = (1 << TGSI_EXTSWIZZLE_ZERO) | (1 << TGSI_EXTSWIZZLE_ONE);
+   /* This mask stores component bits that were already tested. */
+   uniquemask = 0;
 
    for (chan_index = 0; chan_index < 4; chan_index++)
    {
@@ -1700,7 +1689,7 @@ exec_kil(struct tgsi_exec_machine *mach,
       uint i;
 
       /* unswizzle channel */
-      swizzle = tgsi_util_get_full_src_register_extswizzle (
+      swizzle = tgsi_util_get_full_src_register_swizzle (
                         &inst->FullSrcRegisters[0],
                         chan_index);
 
@@ -2031,7 +2020,6 @@ exec_instruction(
       break;
 
    case TGSI_OPCODE_MOV:
-   case TGSI_OPCODE_SWZ:
       if (inst->Flags & SOA_DEPENDENCY_FLAG) {
          /* Do all fetches into temp regs, then do all stores to avoid
           * intermediate/accidental clobbering.  This could be done all the
diff --git a/src/gallium/auxiliary/tgsi/tgsi_info.c b/src/gallium/auxiliary/tgsi/tgsi_info.c
index fe8b0bdce3d..be375cabb8b 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_info.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_info.c
@@ -149,7 +149,7 @@ static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] =
    { 0, 1, 0, 0, 0, 0, "BREAKC", TGSI_OPCODE_BREAKC },
    { 0, 1, 0, 0, 0, 0, "KIL", TGSI_OPCODE_KIL },
    { 0, 0, 0, 0, 0, 0, "END", TGSI_OPCODE_END },
-   { 1, 1, 0, 0, 0, 0, "SWZ", TGSI_OPCODE_SWZ }
+   { 0, 0, 0, 0, 0, 0, "", 118 }      /* removed */
 };
 
 const struct tgsi_opcode_info *
diff --git a/src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h b/src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h
index d321f013d00..b34263da489 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h
@@ -146,7 +146,6 @@ OP01(IFC)
 OP01(BREAKC)
 OP01(KIL)
 OP00(END)
-OP11(SWZ)
 
 
 #undef OP00
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ppc.c b/src/gallium/auxiliary/tgsi/tgsi_ppc.c
index 4b1c7d4e01b..617fd7f6be1 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ppc.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ppc.c
@@ -283,14 +283,14 @@ emit_fetch(struct gen_context *gen,
            const struct tgsi_full_src_register *reg,
            const unsigned chan_index)
 {
-   uint swizzle = tgsi_util_get_full_src_register_extswizzle(reg, chan_index);
+   uint swizzle = tgsi_util_get_full_src_register_swizzle(reg, chan_index);
    int dst_vec = -1;
 
    switch (swizzle) {
-   case TGSI_EXTSWIZZLE_X:
-   case TGSI_EXTSWIZZLE_Y:
-   case TGSI_EXTSWIZZLE_Z:
-   case TGSI_EXTSWIZZLE_W:
+   case TGSI_SWIZZLE_X:
+   case TGSI_SWIZZLE_Y:
+   case TGSI_SWIZZLE_Z:
+   case TGSI_SWIZZLE_W:
       switch (reg->SrcRegister.File) {
       case TGSI_FILE_INPUT:
          {
@@ -349,16 +349,6 @@ emit_fetch(struct gen_context *gen,
          assert( 0 );
       }
       break;
-   case TGSI_EXTSWIZZLE_ZERO:
-      ppc_vzero(gen->f, dst_vec);
-      break;
-   case TGSI_EXTSWIZZLE_ONE:
-      {
-         int one_vec = gen_one_vec(gen);
-         dst_vec = ppc_allocate_vec_register(gen->f);
-         ppc_vmove(gen->f, dst_vec, one_vec);
-      }
-      break;
    default:
       assert( 0 );
    }
@@ -418,8 +408,8 @@ equal_src_locs(const struct tgsi_full_src_register *a, uint chan_a,
       return FALSE;
    if (a->SrcRegister.Index != b->SrcRegister.Index)
       return FALSE;
-   swz_a = tgsi_util_get_full_src_register_extswizzle(a, chan_a);
-   swz_b = tgsi_util_get_full_src_register_extswizzle(b, chan_b);
+   swz_a = tgsi_util_get_full_src_register_swizzle(a, chan_a);
+   swz_b = tgsi_util_get_full_src_register_swizzle(b, chan_b);
    if (swz_a != swz_b)
       return FALSE;
    sign_a = tgsi_util_get_full_src_register_sign_mode(a, chan_a);
@@ -635,7 +625,6 @@ emit_unaryop(struct gen_context *gen, struct tgsi_full_instruction *inst)
          ppc_vlogefp(gen->f, v1, v0);      /* v1 = log2(v0) */
          break;
       case TGSI_OPCODE_MOV:
-      case TGSI_OPCODE_SWZ:
          if (v0 != v1)
             ppc_vmove(gen->f, v1, v0);
          break;
@@ -1119,7 +1108,6 @@ emit_instruction(struct gen_context *gen,
 
    switch (inst->Instruction.Opcode) {
    case TGSI_OPCODE_MOV:
-   case TGSI_OPCODE_SWZ:
    case TGSI_OPCODE_ABS:
    case TGSI_OPCODE_FLR:
    case TGSI_OPCODE_FRC:
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c
index 0db4481a3d0..f9c16f1b6cb 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -228,11 +228,6 @@ tgsi_is_passthrough_shader(const struct tgsi_token *tokens)
                 src->SrcRegister.SwizzleZ != TGSI_SWIZZLE_Z ||
                 src->SrcRegister.SwizzleW != TGSI_SWIZZLE_W ||
 
-                src->SrcRegisterExtSwz.ExtSwizzleX != TGSI_EXTSWIZZLE_X ||
-                src->SrcRegisterExtSwz.ExtSwizzleY != TGSI_EXTSWIZZLE_Y ||
-                src->SrcRegisterExtSwz.ExtSwizzleZ != TGSI_EXTSWIZZLE_Z ||
-                src->SrcRegisterExtSwz.ExtSwizzleW != TGSI_EXTSWIZZLE_W ||
-
                 dst->DstRegister.WriteMask != TGSI_WRITEMASK_XYZW)
             {
                tgsi_parse_free(&parse);
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
index 5f6b83b2362..a96fc94c7ad 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
@@ -1260,13 +1260,13 @@ emit_fetch(
    const struct tgsi_full_src_register *reg,
    const unsigned chan_index )
 {
-   unsigned swizzle = tgsi_util_get_full_src_register_extswizzle( reg, chan_index );
+   unsigned swizzle = tgsi_util_get_full_src_register_swizzle( reg, chan_index );
 
    switch (swizzle) {
-   case TGSI_EXTSWIZZLE_X:
-   case TGSI_EXTSWIZZLE_Y:
-   case TGSI_EXTSWIZZLE_Z:
-   case TGSI_EXTSWIZZLE_W:
+   case TGSI_SWIZZLE_X:
+   case TGSI_SWIZZLE_Y:
+   case TGSI_SWIZZLE_Z:
+   case TGSI_SWIZZLE_W:
       switch (reg->SrcRegister.File) {
       case TGSI_FILE_CONSTANT:
          emit_const(
@@ -1308,22 +1308,6 @@ emit_fetch(
       }
       break;
 
-   case TGSI_EXTSWIZZLE_ZERO:
-      emit_tempf(
-         func,
-         xmm,
-         TGSI_EXEC_TEMP_00000000_I,
-         TGSI_EXEC_TEMP_00000000_C );
-      break;
-
-   case TGSI_EXTSWIZZLE_ONE:
-      emit_tempf(
-         func,
-         xmm,
-         TEMP_ONE_I,
-         TEMP_ONE_C );
-      break;
-
    default:
       assert( 0 );
    }
@@ -1582,13 +1566,13 @@ emit_kil(
    /* This mask stores component bits that were already tested. Note that
     * we test if the value is less than zero, so 1.0 and 0.0 need not to be
     * tested. */
-   uniquemask = (1 << TGSI_EXTSWIZZLE_ZERO) | (1 << TGSI_EXTSWIZZLE_ONE);
+   uniquemask = 0;
 
    FOR_EACH_CHANNEL( chan_index ) {
       unsigned swizzle;
 
       /* unswizzle channel */
-      swizzle = tgsi_util_get_full_src_register_extswizzle(
+      swizzle = tgsi_util_get_full_src_register_swizzle(
          reg,
          chan_index );
 
@@ -1772,7 +1756,6 @@ emit_instruction(
       break;
 
    case TGSI_OPCODE_MOV:
-   case TGSI_OPCODE_SWZ:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
          FETCH( func, *inst, 4 + chan_index, 0, chan_index );
       }
@@ -2938,8 +2921,7 @@ tgsi_emit_sse2(
              * the result in the cases where the code is too opaque to
              * fix.
              */
-            if (opcode != TGSI_OPCODE_MOV &&
-                opcode != TGSI_OPCODE_SWZ) {
+            if (opcode != TGSI_OPCODE_MOV) {
                debug_printf("Warning: src/dst aliasing in instruction"
                             " is not handled:\n");
                tgsi_dump_instruction(&parse.FullToken.FullInstruction, 1);
diff --git a/src/gallium/auxiliary/tgsi/tgsi_text.c b/src/gallium/auxiliary/tgsi/tgsi_text.c
index d438450b1e4..87d9cd7b3fc 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_text.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_text.c
@@ -538,13 +538,11 @@ static boolean
 parse_optional_swizzle(
    struct translate_ctx *ctx,
    uint swizzle[4],
-   boolean *parsed_swizzle,
-   boolean *parsed_extswizzle )
+   boolean *parsed_swizzle )
 {
    const char *cur = ctx->cur;
 
    *parsed_swizzle = FALSE;
-   *parsed_extswizzle = FALSE;
 
    eat_opt_white( &cur );
    if (*cur == '.') {
@@ -562,15 +560,8 @@ parse_optional_swizzle(
          else if (uprcase( *cur ) == 'W')
             swizzle[i] = TGSI_SWIZZLE_W;
          else {
-            if (*cur == '0')
-               swizzle[i] = TGSI_EXTSWIZZLE_ZERO;
-            else if (*cur == '1')
-               swizzle[i] = TGSI_EXTSWIZZLE_ONE;
-            else {
-               report_error( ctx, "Expected register swizzle component `x', `y', `z', `w', `0' or `1'" );
-               return FALSE;
-            }
-            *parsed_extswizzle = TRUE;
+	    report_error( ctx, "Expected register swizzle component `x', `y', `z', `w', `0' or `1'" );
+	    return FALSE;
          }
          cur++;
       }
@@ -595,7 +586,6 @@ parse_src_operand(
    uint swizzle[4];
    boolean parsed_ext_negate_paren = FALSE;
    boolean parsed_swizzle;
-   boolean parsed_extswizzle;
 
    if (*ctx->cur == '-') {
       cur = ctx->cur;
@@ -690,16 +680,8 @@ parse_src_operand(
 
    /* Parse optional swizzle.
     */
-   if (parse_optional_swizzle( ctx, swizzle, &parsed_swizzle, &parsed_extswizzle )) {
-      if (parsed_extswizzle) {
-         assert( parsed_swizzle );
-
-         src->SrcRegisterExtSwz.ExtSwizzleX = swizzle[0];
-         src->SrcRegisterExtSwz.ExtSwizzleY = swizzle[1];
-         src->SrcRegisterExtSwz.ExtSwizzleZ = swizzle[2];
-         src->SrcRegisterExtSwz.ExtSwizzleW = swizzle[3];
-      }
-      else if (parsed_swizzle) {
+   if (parse_optional_swizzle( ctx, swizzle, &parsed_swizzle )) {
+      if (parsed_swizzle) {
          src->SrcRegister.SwizzleX = swizzle[0];
          src->SrcRegister.SwizzleY = swizzle[1];
          src->SrcRegister.SwizzleZ = swizzle[2];
diff --git a/src/gallium/auxiliary/tgsi/tgsi_util.c b/src/gallium/auxiliary/tgsi/tgsi_util.c
index 71f8a6ca401..6120a2da94b 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_util.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_util.c
@@ -69,59 +69,15 @@ tgsi_util_get_src_register_swizzle(
    return 0;
 }
 
-unsigned
-tgsi_util_get_src_register_extswizzle(
-   const struct tgsi_src_register_ext_swz *reg,
-   unsigned component )
-{
-   switch( component ) {
-   case 0:
-      return reg->ExtSwizzleX;
-   case 1:
-      return reg->ExtSwizzleY;
-   case 2:
-      return reg->ExtSwizzleZ;
-   case 3:
-      return reg->ExtSwizzleW;
-   default:
-      assert( 0 );
-   }
-   return 0;
-}
 
 unsigned
-tgsi_util_get_full_src_register_extswizzle(
+tgsi_util_get_full_src_register_swizzle(
    const struct tgsi_full_src_register  *reg,
    unsigned component )
 {
-   unsigned swizzle;
-
-   /*
-    * First, calculate  the   extended swizzle for a given channel. This will give
-    * us either a channel index into the simple swizzle or  a constant 1 or   0.
-    */
-   swizzle = tgsi_util_get_src_register_extswizzle(
-      &reg->SrcRegisterExtSwz,
+   return tgsi_util_get_src_register_swizzle(
+      &reg->SrcRegister,
       component );
-
-   assert (TGSI_SWIZZLE_X == TGSI_EXTSWIZZLE_X);
-   assert (TGSI_SWIZZLE_Y == TGSI_EXTSWIZZLE_Y);
-   assert (TGSI_SWIZZLE_Z == TGSI_EXTSWIZZLE_Z);
-   assert (TGSI_SWIZZLE_W == TGSI_EXTSWIZZLE_W);
-   assert (TGSI_EXTSWIZZLE_ZERO > TGSI_SWIZZLE_W);
-   assert (TGSI_EXTSWIZZLE_ONE > TGSI_SWIZZLE_W);
-
-   /*
-    * Second, calculate the simple  swizzle  for   the   unswizzled channel index.
-    * Leave the constants intact, they are   not   affected by the   simple swizzle.
-    */
-   if( swizzle <= TGSI_SWIZZLE_W ) {
-      swizzle = tgsi_util_get_src_register_swizzle(
-         &reg->SrcRegister,
-         swizzle );
-   }
-
-   return swizzle;
 }
 
 void
@@ -148,30 +104,6 @@ tgsi_util_set_src_register_swizzle(
    }
 }
 
-void
-tgsi_util_set_src_register_extswizzle(
-   struct tgsi_src_register_ext_swz *reg,
-   unsigned swizzle,
-   unsigned component )
-{
-   switch( component ) {
-   case 0:
-      reg->ExtSwizzleX = swizzle;
-      break;
-   case 1:
-      reg->ExtSwizzleY = swizzle;
-      break;
-   case 2:
-      reg->ExtSwizzleZ = swizzle;
-      break;
-   case 3:
-      reg->ExtSwizzleW = swizzle;
-      break;
-   default:
-      assert( 0 );
-   }
-}
-
 unsigned
 tgsi_util_get_src_register_extnegate(
    const  struct tgsi_src_register_ext_swz *reg,
diff --git a/src/gallium/auxiliary/tgsi/tgsi_util.h b/src/gallium/auxiliary/tgsi/tgsi_util.h
index 21eb656327e..bf3f20ca6ca 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_util.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_util.h
@@ -45,13 +45,9 @@ tgsi_util_get_src_register_swizzle(
    const struct tgsi_src_register *reg,
    unsigned component );
 
-unsigned
-tgsi_util_get_src_register_extswizzle(
-   const struct tgsi_src_register_ext_swz *reg,
-   unsigned component);
 
 unsigned
-tgsi_util_get_full_src_register_extswizzle(
+tgsi_util_get_full_src_register_swizzle(
    const struct tgsi_full_src_register *reg,
    unsigned component );
 
@@ -61,12 +57,6 @@ tgsi_util_set_src_register_swizzle(
    unsigned swizzle,
    unsigned component );
 
-void
-tgsi_util_set_src_register_extswizzle(
-   struct tgsi_src_register_ext_swz *reg,
-   unsigned swizzle,
-   unsigned component );
-
 unsigned
 tgsi_util_get_src_register_extnegate(
    const struct tgsi_src_register_ext_swz *reg,