gallivm: Basic AoS TGSI -> LLVM IR.

Essentially a variation of the SoA version.

4 files changed, 1156 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/Makefile b/src/gallium/auxiliary/Makefile
index eb86d83d2a2..5388f4ecd5a 100644
--- a/src/gallium/auxiliary/Makefile
+++ b/src/gallium/auxiliary/Makefile
@@ -171,6 +171,7 @@ GALLIVM_SOURCES = \
         gallivm/lp_bld_sample_soa.c \
         gallivm/lp_bld_struct.c \
         gallivm/lp_bld_swizzle.c \
+        gallivm/lp_bld_tgsi_aos.c \
         gallivm/lp_bld_tgsi_soa.c \
         gallivm/lp_bld_type.c \
         draw/draw_llvm.c \
diff --git a/src/gallium/auxiliary/SConscript b/src/gallium/auxiliary/SConscript
index 6210ada990e..ba8be2efd1f 100644
--- a/src/gallium/auxiliary/SConscript
+++ b/src/gallium/auxiliary/SConscript
@@ -222,6 +222,7 @@ if env['llvm']:
     'gallivm/lp_bld_sample_soa.c',
     'gallivm/lp_bld_struct.c',
     'gallivm/lp_bld_swizzle.c',
+    'gallivm/lp_bld_tgsi_aos.c',
     'gallivm/lp_bld_tgsi_soa.c',
     'gallivm/lp_bld_type.c',
     'draw/draw_llvm.c',
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
index e60ad1d9044..bc9140852ff 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
@@ -82,6 +82,24 @@ struct lp_build_sampler_soa
 };
 
 
+struct lp_build_sampler_aos
+{
+   void
+   (*destroy)( struct lp_build_sampler_aos *sampler );
+
+   LLVMValueRef
+   (*emit_fetch_texel)( const struct lp_build_sampler_aos *sampler,
+                        LLVMBuilderRef builder,
+                        struct lp_type type,
+                        unsigned target, /* TGSI_TEXTURE_* */
+                        unsigned unit,
+                        LLVMValueRef coords,
+                        LLVMValueRef ddx,
+                        LLVMValueRef ddy,
+                        enum lp_build_tex_modifier modifier);
+};
+
+
 void
 lp_build_tgsi_soa(LLVMBuilderRef builder,
                   const struct tgsi_token *tokens,
@@ -95,4 +113,15 @@ lp_build_tgsi_soa(LLVMBuilderRef builder,
                   const struct tgsi_shader_info *info);
 
 
+void
+lp_build_tgsi_aos(LLVMBuilderRef builder,
+                  const struct tgsi_token *tokens,
+                  struct lp_type type,
+                  LLVMValueRef consts_ptr,
+                  const LLVMValueRef *inputs,
+                  LLVMValueRef *outputs,
+                  struct lp_build_sampler_aos *sampler,
+                  const struct tgsi_shader_info *info);
+
+
 #endif /* LP_BLD_TGSI_H */
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
new file mode 100644
index 00000000000..2793a1a3976
--- /dev/null
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
@@ -0,0 +1,1125 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * TGSI to LLVM IR translation -- AoS.
+ *
+ * FIXME:
+ * - No control flow support: the existing control flow code should be factored
+ * out into from the SoA code into a common module and shared.
+ * - No derivatives. Derivate logic should be pluggable, just like the samplers.
+ *
+ * @author Jose Fonseca <jfonseca@vmware.com>
+ */
+
+#include "pipe/p_config.h"
+#include "pipe/p_shader_tokens.h"
+#include "util/u_debug.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "tgsi/tgsi_dump.h"
+#include "tgsi/tgsi_info.h"
+#include "tgsi/tgsi_parse.h"
+#include "tgsi/tgsi_util.h"
+#include "tgsi/tgsi_scan.h"
+#include "lp_bld_type.h"
+#include "lp_bld_const.h"
+#include "lp_bld_arit.h"
+#include "lp_bld_gather.h"
+#include "lp_bld_logic.h"
+#include "lp_bld_swizzle.h"
+#include "lp_bld_flow.h"
+#include "lp_bld_quad.h"
+#include "lp_bld_tgsi.h"
+#include "lp_bld_limits.h"
+#include "lp_bld_debug.h"
+
+
+#define LP_MAX_INSTRUCTIONS 256
+
+
+struct lp_build_tgsi_aos_context
+{
+   struct lp_build_context base;
+
+   /* Builder for integer masks and indices */
+   struct lp_build_context int_bld;
+
+   LLVMValueRef consts_ptr;
+   const LLVMValueRef *inputs;
+   LLVMValueRef *outputs;
+
+   const struct lp_build_sampler_aos *sampler;
+
+   LLVMValueRef immediates[LP_MAX_TGSI_IMMEDIATES];
+   LLVMValueRef temps[LP_MAX_TGSI_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.
+    * The temps[] array above is unused then.
+    */
+   LLVMValueRef temps_array;
+
+   /** bitmask indicating which register files are accessed indirectly */
+   unsigned indirect_files;
+
+   struct tgsi_full_instruction *instructions;
+   uint max_instructions;
+};
+
+
+/**
+ * Register fetch.
+ */
+static LLVMValueRef
+emit_fetch(
+   struct lp_build_tgsi_aos_context *bld,
+   const struct tgsi_full_instruction *inst,
+   unsigned src_op)
+{
+   struct lp_type type = bld->base.type;
+   const struct tgsi_full_src_register *reg = &inst->Src[src_op];
+   unsigned char swizzles[4];
+   LLVMValueRef res;
+   unsigned chan;
+
+   assert(!reg->Register.Indirect);
+
+   /*
+    * Fetch the from the register file.
+    */
+
+   switch (reg->Register.File) {
+   case TGSI_FILE_CONSTANT:
+      /*
+       * Get the constants components
+       */
+
+      res = bld->base.undef;
+      for (chan = 0; chan < 4; ++chan) {
+         LLVMValueRef index;
+         LLVMValueRef scalar_ptr;
+         LLVMValueRef scalar;
+
+         index = LLVMConstInt(LLVMInt32Type(),
+                              reg->Register.Index*4 + chan, 0);
+
+         scalar_ptr = LLVMBuildGEP(bld->base.builder, bld->consts_ptr,
+                                   &index, 1, "");
+
+         scalar = LLVMBuildLoad(bld->base.builder, scalar_ptr, "");
+
+         lp_build_name(scalar, "const[%u].%c", reg->Register.Index, "xyzw"[chan]);
+
+         index = LLVMConstInt(LLVMInt32Type(), chan, 0);
+
+         res = LLVMBuildInsertElement(bld->base.builder, res, scalar, index, "");
+      }
+
+      /*
+       * Broadcast the first quaternion to all others.
+       *
+       * XXX: could be factored into a reusable function.
+       */
+
+      if (type.length > 4) {
+         LLVMValueRef shuffles[LP_MAX_VECTOR_LENGTH];
+         unsigned i;
+
+         for (chan = 0; chan < 4; ++chan) {
+            shuffles[chan] = LLVMConstInt(LLVMInt32Type(), chan, 0);
+         }
+
+         for (i = 4; i < type.length; ++i) {
+            shuffles[i] = shuffles[i % 4];
+         }
+
+         res = LLVMBuildShuffleVector(bld->base.builder,
+                                      res, bld->base.undef,
+                                      LLVMConstVector(shuffles, type.length),
+                                      "");
+      }
+      break;
+
+   case TGSI_FILE_IMMEDIATE:
+      res = bld->immediates[reg->Register.Index];
+      assert(res);
+      break;
+
+   case TGSI_FILE_INPUT:
+      res = bld->inputs[reg->Register.Index];
+      assert(res);
+      break;
+
+   case TGSI_FILE_TEMPORARY:
+      {
+         LLVMValueRef temp_ptr;
+         temp_ptr = bld->temps[reg->Register.Index];
+         res = LLVMBuildLoad(bld->base.builder, temp_ptr, "");
+         if (!res)
+            return bld->base.undef;
+      }
+      break;
+
+   default:
+      assert(0 && "invalid src register in emit_fetch()");
+      return bld->base.undef;
+   }
+
+   /*
+    * Apply sign modifier.
+    */
+
+   if (reg->Register.Absolute) {
+      res = lp_build_abs(&bld->base, res);
+   }
+
+   if(reg->Register.Negate) {
+      res = lp_build_negate(&bld->base, res);
+   }
+
+   /*
+    * Swizzle the argument
+    */
+
+   for (chan = 0; chan < 4; ++chan) {
+      const unsigned swizzle =
+         tgsi_util_get_full_src_register_swizzle(reg, chan);
+      if (swizzle > 3) {
+         assert(0 && "invalid swizzle in emit_fetch()");
+         return bld->base.undef;
+      }
+      swizzles[chan] = swizzle;
+   }
+
+   res = lp_build_swizzle_aos(&bld->base, res, swizzles);
+
+   return res;
+}
+
+
+/**
+ * Register store.
+ */
+static void
+emit_store(
+   struct lp_build_tgsi_aos_context *bld,
+   const struct tgsi_full_instruction *inst,
+   unsigned index,
+   LLVMValueRef value)
+{
+   const struct tgsi_full_dst_register *reg = &inst->Dst[index];
+   LLVMValueRef mask = NULL;
+   LLVMValueRef ptr;
+
+   /*
+    * Saturate the value
+    */
+
+   switch (inst->Instruction.Saturate) {
+   case TGSI_SAT_NONE:
+      break;
+
+   case TGSI_SAT_ZERO_ONE:
+      value = lp_build_max(&bld->base, value, bld->base.zero);
+      value = lp_build_min(&bld->base, value, bld->base.one);
+      break;
+
+   case TGSI_SAT_MINUS_PLUS_ONE:
+      value = lp_build_max(&bld->base, value, lp_build_const_vec(bld->base.type, -1.0));
+      value = lp_build_min(&bld->base, value, bld->base.one);
+      break;
+
+   default:
+      assert(0);
+   }
+
+   /*
+    * Translate the register file
+    */
+
+   assert(!reg->Register.Indirect);
+
+   switch (reg->Register.File) {
+   case TGSI_FILE_OUTPUT:
+      ptr = bld->outputs[reg->Register.Index];
+      break;
+
+   case TGSI_FILE_TEMPORARY:
+      ptr = bld->temps[reg->Register.Index];
+      break;
+
+   case TGSI_FILE_ADDRESS:
+      ptr = bld->addr[reg->Indirect.Index];
+      break;
+
+   case TGSI_FILE_PREDICATE:
+      ptr = bld->preds[reg->Register.Index];
+      break;
+
+   default:
+      assert(0);
+      return;
+   }
+
+   /*
+    * Predicate
+    */
+
+   if (inst->Instruction.Predicate) {
+      unsigned char swizzles[4];
+      LLVMValueRef pred;
+
+      assert(inst->Predicate.Index < LP_MAX_TGSI_PREDS);
+
+      pred = LLVMBuildLoad(bld->base.builder,
+                           bld->preds[inst->Predicate.Index], "");
+
+      /*
+       * Convert the value to an integer mask.
+       */
+      pred = lp_build_compare(bld->base.builder,
+                               bld->base.type,
+                               PIPE_FUNC_NOTEQUAL,
+                               pred,
+                               bld->base.zero);
+
+      if (inst->Predicate.Negate) {
+         pred = LLVMBuildNot(bld->base.builder, pred, "");
+      }
+
+      swizzles[0] = inst->Predicate.SwizzleX;
+      swizzles[1] = inst->Predicate.SwizzleY;
+      swizzles[2] = inst->Predicate.SwizzleZ;
+      swizzles[3] = inst->Predicate.SwizzleW;
+
+      pred = lp_build_swizzle_aos(&bld->base, pred, swizzles);
+
+      if (mask) {
+         mask = LLVMBuildAnd(bld->base.builder, mask, pred, "");
+      } else {
+         mask = pred;
+      }
+   }
+
+   /*
+    * Writemask
+    */
+
+   if (reg->Register.WriteMask != TGSI_WRITEMASK_XYZW) {
+      LLVMValueRef writemask;
+
+      writemask = lp_build_const_mask_aos(bld->base.type, reg->Register.WriteMask);
+
+      if (mask) {
+         mask = LLVMBuildAnd(bld->base.builder, mask, writemask, "");
+      } else {
+         mask = writemask;
+      }
+   }
+
+   if (mask) {
+      LLVMValueRef orig_value;
+
+      orig_value = LLVMBuildLoad(bld->base.builder, ptr, "");
+      value = lp_build_select(&bld->base,
+                              mask, value, orig_value);
+   }
+
+   LLVMBuildStore(bld->base.builder, value, ptr);
+}
+
+
+/**
+ * High-level instruction translators.
+ */
+
+static LLVMValueRef
+emit_tex(struct lp_build_tgsi_aos_context *bld,
+         const struct tgsi_full_instruction *inst,
+         enum lp_build_tex_modifier modifier)
+{
+   unsigned target;
+   unsigned unit;
+   LLVMValueRef coords;
+   LLVMValueRef ddx;
+   LLVMValueRef ddy;
+
+   if (!bld->sampler) {
+      _debug_printf("warning: found texture instruction but no sampler generator supplied\n");
+      return bld->base.undef;
+   }
+
+   target = inst->Texture.Texture;
+
+   coords = emit_fetch( bld, inst, 0 );
+
+   if (modifier == LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV) {
+      ddx = emit_fetch( bld, inst, 1 );
+      ddy = emit_fetch( bld, inst, 2 );
+      unit = inst->Src[3].Register.Index;
+   }  else {
+#if 0
+      ddx = lp_build_ddx( &bld->base, coords );
+      ddy = lp_build_ddy( &bld->base, coords );
+#else
+      /* TODO */
+      ddx = bld->base.one;
+      ddy = bld->base.one;
+#endif
+      unit = inst->Src[1].Register.Index;
+   }
+
+   return bld->sampler->emit_fetch_texel(bld->sampler,
+                                         bld->base.builder,
+                                         bld->base.type,
+                                         target, unit,
+                                         coords, ddx, ddy,
+                                         modifier);
+}
+
+
+static void
+emit_declaration(
+   struct lp_build_tgsi_aos_context *bld,
+   const struct tgsi_full_declaration *decl)
+{
+   LLVMTypeRef vec_type = lp_build_vec_type(bld->base.type);
+
+   unsigned first = decl->Range.First;
+   unsigned last = decl->Range.Last;
+   unsigned idx;
+
+   for (idx = first; idx <= last; ++idx) {
+      switch (decl->Declaration.File) {
+      case TGSI_FILE_TEMPORARY:
+         assert(idx < LP_MAX_TGSI_TEMPS);
+         if (bld->indirect_files & (1 << TGSI_FILE_TEMPORARY)) {
+            LLVMValueRef array_size = LLVMConstInt(LLVMInt32Type(),
+                                                   last + 1, 0);
+            bld->temps_array = lp_build_array_alloca(bld->base.builder,
+                                                     vec_type, array_size, "");
+         } else {
+            bld->temps[idx] = lp_build_alloca(bld->base.builder,
+                                              vec_type, "");
+         }
+         break;
+
+      case TGSI_FILE_OUTPUT:
+         bld->outputs[idx] = lp_build_alloca(bld->base.builder,
+                                             vec_type, "");
+         break;
+
+      case TGSI_FILE_ADDRESS:
+         assert(idx < LP_MAX_TGSI_ADDRS);
+         bld->addr[idx] = lp_build_alloca(bld->base.builder,
+                                          vec_type, "");
+         break;
+
+      case TGSI_FILE_PREDICATE:
+         assert(idx < LP_MAX_TGSI_PREDS);
+         bld->preds[idx] = lp_build_alloca(bld->base.builder,
+                                           vec_type, "");
+         break;
+
+      default:
+         /* don't need to declare other vars */
+         break;
+      }
+   }
+}
+
+
+/**
+ * Emit LLVM for one TGSI instruction.
+ * \param return TRUE for success, FALSE otherwise
+ */
+static boolean
+emit_instruction(
+   struct lp_build_tgsi_aos_context *bld,
+   const struct tgsi_full_instruction *inst,
+   const struct tgsi_opcode_info *info,
+   int *pc)
+{
+   LLVMValueRef src0, src1, src2;
+   LLVMValueRef tmp0, tmp1;
+   LLVMValueRef dst0;
+
+   /*
+    * Stores and write masks are handled in a general fashion after the long
+    * instruction opcode switch statement.
+    *
+    * Although not stricitly necessary, we avoid generating instructions for
+    * channels which won't be stored, in cases where's that easy. For some
+    * complex instructions, like texture sampling, it is more convenient to
+    * assume a full writemask and then let LLVM optimization passes eliminate
+    * redundant code.
+    */
+
+   (*pc)++;
+
+   assert(info->num_dst <= 1);
+   if (info->num_dst) {
+      dst0 = bld->base.undef;
+   }
+
+   switch (inst->Instruction.Opcode) {
+   case TGSI_OPCODE_ARL:
+      src0 = emit_fetch(bld, inst, 0);
+      dst0 = lp_build_floor(&bld->base, src0);
+      break;
+
+   case TGSI_OPCODE_MOV:
+      dst0 = emit_fetch(bld, inst, 0);
+      break;
+
+   case TGSI_OPCODE_LIT:
+      return FALSE;
+
+   case TGSI_OPCODE_RCP:
+   /* TGSI_OPCODE_RECIP */
+      src0 = emit_fetch(bld, inst, 0);
+      dst0 = lp_build_rcp(&bld->base, src0);
+      break;
+
+   case TGSI_OPCODE_RSQ:
+   /* TGSI_OPCODE_RECIPSQRT */
+      src0 = emit_fetch(bld, inst, 0);
+      tmp0 = lp_build_abs(&bld->base, src0);
+      dst0 = lp_build_rsqrt(&bld->base, tmp0);
+      break;
+
+   case TGSI_OPCODE_EXP:
+      return FALSE;
+
+   case TGSI_OPCODE_LOG:
+      return FALSE;
+
+   case TGSI_OPCODE_MUL:
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      dst0 = lp_build_mul(&bld->base, src0, src1);
+      break;
+
+   case TGSI_OPCODE_ADD:
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      dst0 = lp_build_add(&bld->base, src0, src1);
+      break;
+
+   case TGSI_OPCODE_DP3:
+   /* TGSI_OPCODE_DOT3 */
+      return FALSE;
+
+   case TGSI_OPCODE_DP4:
+   /* TGSI_OPCODE_DOT4 */
+      return FALSE;
+
+   case TGSI_OPCODE_DST:
+      return FALSE;
+
+   case TGSI_OPCODE_MIN:
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      dst0 = lp_build_max(&bld->base, src0, src1);
+      break;
+
+   case TGSI_OPCODE_MAX:
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      dst0 = lp_build_max(&bld->base, src0, src1);
+      break;
+
+   case TGSI_OPCODE_SLT:
+   /* TGSI_OPCODE_SETLT */
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_LESS, src0, src1);
+      dst0 = lp_build_select(&bld->base, tmp0, bld->base.one, bld->base.zero);
+      break;
+
+   case TGSI_OPCODE_SGE:
+   /* TGSI_OPCODE_SETGE */
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_GEQUAL, src0, src1);
+      dst0 = lp_build_select(&bld->base, tmp0, bld->base.one, bld->base.zero);
+      break;
+
+   case TGSI_OPCODE_MAD:
+   /* TGSI_OPCODE_MADD */
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      src2 = emit_fetch(bld, inst, 2);
+      tmp0 = lp_build_mul(&bld->base, src0, src1);
+      dst0 = lp_build_add(&bld->base, tmp0, src2);
+      break;
+
+   case TGSI_OPCODE_SUB:
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      dst0 = lp_build_sub(&bld->base, src0, src1);
+      break;
+
+   case TGSI_OPCODE_LRP:
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      src2 = emit_fetch(bld, inst, 2);
+      tmp0 = lp_build_sub(&bld->base, src1, src2);
+      tmp0 = lp_build_mul(&bld->base, src0, tmp0);
+      dst0 = lp_build_add(&bld->base, tmp0, src2);
+      break;
+
+   case TGSI_OPCODE_CND:
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      src2 = emit_fetch(bld, inst, 2);
+      tmp1 = lp_build_const_vec(bld->base.type, 0.5);
+      tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_GREATER, src2, tmp1);
+      dst0 = lp_build_select(&bld->base, tmp0, src0, src1);
+      break;
+
+   case TGSI_OPCODE_DP2A:
+      return FALSE;
+
+   case TGSI_OPCODE_FRC:
+      src0 = emit_fetch(bld, inst, 0);
+      tmp0 = lp_build_floor(&bld->base, src0);
+      dst0 = lp_build_sub(&bld->base, src0, tmp0);
+      break;
+
+   case TGSI_OPCODE_CLAMP:
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      src2 = emit_fetch(bld, inst, 2);
+      tmp0 = lp_build_max(&bld->base, src0, src1);
+      dst0 = lp_build_min(&bld->base, tmp0, src2);
+      break;
+
+   case TGSI_OPCODE_FLR:
+      src0 = emit_fetch(bld, inst, 0);
+      dst0 = lp_build_floor(&bld->base, src0);
+      break;
+
+   case TGSI_OPCODE_ROUND:
+      src0 = emit_fetch(bld, inst, 0);
+      dst0 = lp_build_round(&bld->base, src0);
+      break;
+
+   case TGSI_OPCODE_EX2:
+      src0 = emit_fetch(bld, inst, 0);
+      tmp0 = lp_build_swizzle_scalar_aos(&bld->base, src0, TGSI_SWIZZLE_X);
+      dst0 = lp_build_exp2(&bld->base, tmp0);
+      break;
+
+   case TGSI_OPCODE_LG2:
+      src0 = emit_fetch(bld, inst, 0);
+      tmp0 = lp_build_swizzle_scalar_aos(&bld->base, src0, TGSI_SWIZZLE_X);
+      dst0 = lp_build_log2(&bld->base, tmp0);
+      break;
+
+   case TGSI_OPCODE_POW:
+      src0 = emit_fetch(bld, inst, 0);
+      src0 = lp_build_swizzle_scalar_aos(&bld->base, src0, TGSI_SWIZZLE_X);
+      src1 = emit_fetch(bld, inst, 1);
+      src1 = lp_build_swizzle_scalar_aos(&bld->base, src1, TGSI_SWIZZLE_X);
+      dst0 = lp_build_pow(&bld->base, src0, src1);
+      break;
+
+   case TGSI_OPCODE_XPD:
+      return FALSE;
+
+   case TGSI_OPCODE_ABS:
+      src0 = emit_fetch(bld, inst, 0);
+      dst0 = lp_build_abs(&bld->base, src0);
+      break;
+
+   case TGSI_OPCODE_RCC:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+
+   case TGSI_OPCODE_DPH:
+      return FALSE;
+
+   case TGSI_OPCODE_COS:
+      src0 = emit_fetch(bld, inst, 0);
+      tmp0 = lp_build_swizzle_scalar_aos(&bld->base, src0, TGSI_SWIZZLE_X);
+      dst0 = lp_build_cos(&bld->base, tmp0);
+      break;
+
+   case TGSI_OPCODE_DDX:
+      return FALSE;
+
+   case TGSI_OPCODE_DDY:
+      return FALSE;
+
+   case TGSI_OPCODE_KILP:
+      /* predicated kill */
+      return FALSE;
+
+   case TGSI_OPCODE_KIL:
+      /* conditional kill */
+      return FALSE;
+
+   case TGSI_OPCODE_PK2H:
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_PK2US:
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_PK4B:
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_PK4UB:
+      return FALSE;
+
+   case TGSI_OPCODE_RFL:
+      return FALSE;
+
+   case TGSI_OPCODE_SEQ:
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_EQUAL, src0, src1);
+      dst0 = lp_build_select(&bld->base, tmp0, bld->base.one, bld->base.zero);
+      break;
+
+   case TGSI_OPCODE_SFL:
+      dst0 = bld->base.zero;
+      break;
+
+   case TGSI_OPCODE_SGT:
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_GREATER, src0, src1);
+      dst0 = lp_build_select(&bld->base, tmp0, bld->base.one, bld->base.zero);
+      break;
+
+   case TGSI_OPCODE_SIN:
+      src0 = emit_fetch(bld, inst, 0);
+      tmp0 = lp_build_swizzle_scalar_aos(&bld->base, src0, TGSI_SWIZZLE_X);
+      dst0 = lp_build_sin(&bld->base, tmp0);
+      break;
+
+   case TGSI_OPCODE_SLE:
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_LEQUAL, src0, src1);
+      dst0 = lp_build_select(&bld->base, tmp0, bld->base.one, bld->base.zero);
+      break;
+
+   case TGSI_OPCODE_SNE:
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_NOTEQUAL, src0, src1);
+      dst0 = lp_build_select(&bld->base, tmp0, bld->base.one, bld->base.zero);
+      break;
+
+   case TGSI_OPCODE_STR:
+      dst0 = bld->base.one;
+      break;
+
+   case TGSI_OPCODE_TEX:
+      dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_NONE);
+      break;
+
+   case TGSI_OPCODE_TXD:
+      dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV);
+      break;
+
+   case TGSI_OPCODE_UP2H:
+      /* deprecated */
+      assert (0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_UP2US:
+      /* deprecated */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_UP4B:
+      /* deprecated */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_UP4UB:
+      /* deprecated */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_X2D:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_ARA:
+      /* deprecated */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_ARR:
+      src0 = emit_fetch(bld, inst, 0);
+      dst0 = lp_build_round(&bld->base, src0);
+      break;
+
+   case TGSI_OPCODE_BRA:
+      /* deprecated */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_CAL:
+      return FALSE;
+
+   case TGSI_OPCODE_RET:
+      return FALSE;
+
+   case TGSI_OPCODE_END:
+      *pc = -1;
+      break;
+
+   case TGSI_OPCODE_SSG:
+   /* TGSI_OPCODE_SGN */
+      tmp0 = emit_fetch(bld, inst, 0);
+      dst0 = lp_build_sgn(&bld->base, tmp0);
+      break;
+
+   case TGSI_OPCODE_CMP:
+      src0 = emit_fetch(bld, inst, 0);
+      src1 = emit_fetch(bld, inst, 1);
+      src2 = emit_fetch(bld, inst, 2);
+      tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_LESS, src0, bld->base.zero);
+      dst0 = lp_build_select(&bld->base, tmp0, src1, src2);
+      break;
+
+   case TGSI_OPCODE_SCS:
+      return FALSE;
+
+   case TGSI_OPCODE_TXB:
+      dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_LOD_BIAS);
+      break;
+
+   case TGSI_OPCODE_NRM:
+      /* fall-through */
+   case TGSI_OPCODE_NRM4:
+      return FALSE;
+
+   case TGSI_OPCODE_DIV:
+      /* deprecated */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_DP2:
+      return FALSE;
+
+   case TGSI_OPCODE_TXL:
+      dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_EXPLICIT_LOD);
+      break;
+
+   case TGSI_OPCODE_TXP:
+      dst0 = emit_tex(bld, inst, LP_BLD_TEX_MODIFIER_PROJECTED);
+      break;
+
+   case TGSI_OPCODE_BRK:
+      return FALSE;
+
+   case TGSI_OPCODE_IF:
+      return FALSE;
+
+   case TGSI_OPCODE_BGNLOOP:
+      return FALSE;
+
+   case TGSI_OPCODE_BGNSUB:
+      return FALSE;
+
+   case TGSI_OPCODE_ELSE:
+      return FALSE;
+
+   case TGSI_OPCODE_ENDIF:
+      return FALSE;
+
+   case TGSI_OPCODE_ENDLOOP:
+      return FALSE;
+
+   case TGSI_OPCODE_ENDSUB:
+      return FALSE;
+
+   case TGSI_OPCODE_PUSHA:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_POPA:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_CEIL:
+      src0 = emit_fetch(bld, inst, 0);
+      dst0 = lp_build_ceil(&bld->base, src0);
+      break;
+
+   case TGSI_OPCODE_I2F:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_NOT:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_TRUNC:
+      src0 = emit_fetch(bld, inst, 0);
+      dst0 = lp_build_trunc(&bld->base, src0);
+      break;
+
+   case TGSI_OPCODE_SHL:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_ISHR:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_AND:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_OR:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_MOD:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_XOR:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_SAD:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_TXF:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_TXQ:
+      /* deprecated? */
+      assert(0);
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_CONT:
+      return FALSE;
+
+   case TGSI_OPCODE_EMIT:
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_ENDPRIM:
+      return FALSE;
+      break;
+
+   case TGSI_OPCODE_NOP:
+      break;
+
+   default:
+      return FALSE;
+   }
+   
+   if (info->num_dst) {
+      emit_store(bld, inst, 0, dst0);
+   }
+
+   return TRUE;
+}
+
+
+void
+lp_build_tgsi_aos(LLVMBuilderRef builder,
+                  const struct tgsi_token *tokens,
+                  struct lp_type type,
+                  LLVMValueRef consts_ptr,
+                  const LLVMValueRef *inputs,
+                  LLVMValueRef *outputs,
+                  struct lp_build_sampler_aos *sampler,
+                  const struct tgsi_shader_info *info)
+{
+   struct lp_build_tgsi_aos_context bld;
+   struct tgsi_parse_context parse;
+   uint num_immediates = 0;
+   uint num_instructions = 0;
+   unsigned chan;
+   int pc = 0;
+
+   /* Setup build context */
+   memset(&bld, 0, sizeof bld);
+   lp_build_context_init(&bld.base, builder, type);
+   lp_build_context_init(&bld.int_bld, builder, lp_int_type(type));
+   bld.inputs = inputs;
+   bld.outputs = outputs;
+   bld.consts_ptr = consts_ptr;
+   bld.sampler = sampler;
+   bld.indirect_files = info->indirect_files;
+   bld.instructions = (struct tgsi_full_instruction *)
+                      MALLOC(LP_MAX_INSTRUCTIONS * sizeof(struct tgsi_full_instruction));
+   bld.max_instructions = LP_MAX_INSTRUCTIONS;
+
+   if (!bld.instructions) {
+      return;
+   }
+
+   tgsi_parse_init(&parse, tokens);
+
+   while (!tgsi_parse_end_of_tokens(&parse)) {
+      tgsi_parse_token(&parse);
+
+      switch(parse.FullToken.Token.Type) {
+      case TGSI_TOKEN_TYPE_DECLARATION:
+         /* Inputs already interpolated */
+         emit_declaration(&bld, &parse.FullToken.FullDeclaration);
+         break;
+
+      case TGSI_TOKEN_TYPE_INSTRUCTION:
+         {
+            /* save expanded instruction */
+            if (num_instructions == bld.max_instructions) {
+               struct tgsi_full_instruction *instructions;
+               instructions = REALLOC(bld.instructions,
+                                      bld.max_instructions
+                                      * sizeof(struct tgsi_full_instruction),
+                                      (bld.max_instructions + LP_MAX_INSTRUCTIONS)
+                                      * sizeof(struct tgsi_full_instruction));
+               if (!instructions) {
+                  break;
+               }
+               bld.instructions = instructions;
+               bld.max_instructions += LP_MAX_INSTRUCTIONS;
+            }
+
+            memcpy(bld.instructions + num_instructions,
+                   &parse.FullToken.FullInstruction,
+                   sizeof(bld.instructions[0]));
+
+            num_instructions++;
+         }
+
+         break;
+
+      case TGSI_TOKEN_TYPE_IMMEDIATE:
+         /* simply copy the immediate values into the next immediates[] slot */
+         {
+            const uint size = parse.FullToken.FullImmediate.Immediate.NrTokens - 1;
+            float rgba[4];
+            assert(size <= 4);
+            assert(num_immediates < LP_MAX_TGSI_IMMEDIATES);
+            for (chan = 0; chan < size; ++chan) {
+               rgba[chan] = parse.FullToken.FullImmediate.u[chan].Float;
+            }
+            for (chan = size; chan < 4; ++chan) {
+               rgba[chan] = 0.0f;
+            }
+            bld.immediates[num_immediates] =
+                     lp_build_const_aos(type,
+                                        rgba[0], rgba[1], rgba[2], rgba[3],
+                                        NULL);
+            num_immediates++;
+         }
+         break;
+
+      case TGSI_TOKEN_TYPE_PROPERTY:
+         break;
+
+      default:
+         assert(0);
+      }
+   }
+
+   while (pc != -1) {
+      struct tgsi_full_instruction *instr = bld.instructions + pc;
+      const struct tgsi_opcode_info *opcode_info =
+         tgsi_get_opcode_info(instr->Instruction.Opcode);
+      if (!emit_instruction(&bld, instr, opcode_info, &pc))
+         _debug_printf("warning: failed to translate tgsi opcode %s to LLVM\n",
+                       opcode_info->mnemonic);
+   }
+
+   if (0) {
+      LLVMBasicBlockRef block = LLVMGetInsertBlock(builder);
+      LLVMValueRef function = LLVMGetBasicBlockParent(block);
+      debug_printf("11111111111111111111111111111 \n");
+      tgsi_dump(tokens, 0);
+      lp_debug_dump_value(function);
+      debug_printf("2222222222222222222222222222 \n");
+   }
+   tgsi_parse_free(&parse);
+
+   if (0) {
+      LLVMModuleRef module = LLVMGetGlobalParent(
+         LLVMGetBasicBlockParent(LLVMGetInsertBlock(bld.base.builder)));
+      LLVMDumpModule(module);
+   }
+
+   FREE(bld.instructions);
+}
+