llvmpipe: Migrate more SSE2 codegen to LLVM IR.

1 files changed, 251 insertions, 285 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c b/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
index 01aa3b8f20a..78adeab0ae4 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
@@ -83,30 +83,6 @@ struct lp_build_tgsi_soa_context
 
 
 /**
- * Function call helpers.
- */
-
-/**
- * NOTE: In gcc, if the destination uses the SSE intrinsics, then it must be 
- * defined with __attribute__((force_align_arg_pointer)), as we do not guarantee
- * that the stack pointer is 16 byte aligned, as expected.
- */
-static void
-emit_func_call(
-   struct lp_build_tgsi_soa_context *bld,
-   const LLVMValueRef *args,
-   unsigned nr_args,
-   void (PIPE_CDECL *code)() )
-{
-#if 0
-   LLVMAddGlobalMapping(LLVMExecutionEngineRef EE, LLVMValueRef Global,
-                             void* Addr);
-#endif
-
-}
-
-
-/**
  * Register fetch.
  */
 
@@ -495,7 +471,9 @@ emit_instruction(
    struct tgsi_full_instruction *inst )
 {
    unsigned chan_index;
-   LLVMValueRef tmp;
+   LLVMValueRef src0, src1, src2;
+   LLVMValueRef tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+   LLVMValueRef dst0;
 
    /* we can't handle indirect addressing into temp register file yet */
    if (indirect_temp_reference(inst))
@@ -505,10 +483,10 @@ emit_instruction(
 #if 0
    case TGSI_OPCODE_ARL:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         FETCH( bld, *inst, 0, 0, chan_index );
+         tmp0 = FETCH( bld, *inst, 0, chan_index );
          emit_flr(bld, 0, 0);
          emit_f2it( bld, 0 );
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
 #endif
@@ -516,7 +494,8 @@ emit_instruction(
    case TGSI_OPCODE_MOV:
    case TGSI_OPCODE_SWZ:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         STORE( bld, *inst, 0, chan_index, FETCH( bld, *inst, 0, chan_index ) );
+         tmp0 = FETCH( bld, *inst, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
 
@@ -524,33 +503,24 @@ emit_instruction(
    case TGSI_OPCODE_LIT:
       if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ||
           IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W ) ) {
-         emit_tempf(
-            bld,
-            0,
-            TEMP_ONE_I,
-            TEMP_ONE_C);
+         tmp0 = bld->base.one;
          if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ) {
-            STORE( bld, *inst, 0, 0, CHAN_X );
+            STORE( bld, *inst, 0, CHAN_X, tmp0);
          }
          if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W ) ) {
-            STORE( bld, *inst, 0, 0, CHAN_W );
+            STORE( bld, *inst, 0, CHAN_W, tmp0);
          }
       }
       if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) ||
           IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) ) {
          if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) ) {
-            tmp = FETCH( bld, *inst, 0, 0, CHAN_X );
-            sse_maxps(
-               bld,
-               make_xmm( 0 ),
-               get_temp(
-                  TGSI_EXEC_TEMP_00000000_I,
-                  TGSI_EXEC_TEMP_00000000_C ) );
-            STORE( bld, *inst, 0, 0, CHAN_Y );
+            tmp0 = FETCH( bld, *inst, 0, CHAN_X );
+            tmp0 = lp_build_max( &bld->base, tmp0, bld->base.one);
+            STORE( bld, *inst, 0, CHAN_Y, tmp0);
          }
          if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) ) {
             /* XMM[1] = SrcReg[0].yyyy */
-            FETCH( bld, *inst, 1, 0, CHAN_Y );
+            tmp1 = FETCH( bld, *inst, 0, CHAN_Y );
             /* XMM[1] = max(XMM[1], 0) */
             sse_maxps(
                bld,
@@ -559,7 +529,7 @@ emit_instruction(
                   TGSI_EXEC_TEMP_00000000_I,
                   TGSI_EXEC_TEMP_00000000_C ) );
             /* XMM[2] = SrcReg[0].wwww */
-            FETCH( bld, *inst, 2, 0, CHAN_W );
+            tmp2 = FETCH( bld, *inst, 0, CHAN_W );
             /* XMM[2] = min(XMM[2], 128.0) */
             sse_minps(
                bld,
@@ -574,8 +544,8 @@ emit_instruction(
                get_temp(
                   TGSI_EXEC_TEMP_MINUS_128_I,
                   TGSI_EXEC_TEMP_MINUS_128_C ) );
-            emit_pow( bld, 3, 1, 1, 2 );
-            FETCH( bld, *inst, 0, 0, CHAN_X );
+            tmp1 = lp_build_pow( &bld->base, tmp1, tmp2);
+            tmp0 = FETCH( bld, *inst, 0, CHAN_X );
             sse_xorps(
                bld,
                make_xmm( 2 ),
@@ -589,7 +559,7 @@ emit_instruction(
                bld,
                make_xmm( 2 ),
                make_xmm( 1 ) );
-            STORE( bld, *inst, 2, 0, CHAN_Z );
+            STORE( bld, *inst, 0, CHAN_Z, tmp2);
          }
       }
       break;
@@ -597,20 +567,20 @@ emit_instruction(
 
    case TGSI_OPCODE_RCP:
    /* TGSI_OPCODE_RECIP */
-      tmp = FETCH( bld, *inst, 0, CHAN_X );
-      tmp = lp_build_rcp(&bld->base, tmp);
+      src0 = FETCH( bld, *inst, 0, CHAN_X );
+      dst0 = lp_build_rcp(&bld->base, src0);
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         STORE( bld, *inst, 0, chan_index, tmp );
+         STORE( bld, *inst, 0, chan_index, dst0 );
       }
       break;
 
    case TGSI_OPCODE_RSQ:
    /* TGSI_OPCODE_RECIPSQRT */
-      tmp = FETCH( bld, *inst, 0, CHAN_X );
-      tmp = lp_build_abs(&bld->base, tmp);
-      tmp = lp_build_rsqrt(&bld->base, tmp);
+      src0 = FETCH( bld, *inst, 0, CHAN_X );
+      src0 = lp_build_abs(&bld->base, src0);
+      dst0 = lp_build_rsqrt(&bld->base, src0);
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         STORE( bld, *inst, 0, chan_index, tmp );
+         STORE( bld, *inst, 0, chan_index, dst0 );
       }
       break;
 
@@ -619,34 +589,34 @@ emit_instruction(
       if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ||
           IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) ||
           IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z )) {
-         FETCH( bld, *inst, 0, 0, CHAN_X );
+         tmp0 = FETCH( bld, *inst, 0, CHAN_X );
          if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ||
              IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y )) {
-            emit_MOV( bld, 1, 0 );
+            tmp1 = tmp0;
             emit_flr( bld, 2, 1 );
             /* dst.x = ex2(floor(src.x)) */
             if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X )) {
-               emit_MOV( bld, 2, 1 );
-               emit_ex2( bld, 3, 2 );
-               STORE( bld, *inst, 2, 0, CHAN_X );
+               tmp2 = tmp1;
+               tmp2 = lp_build_exp2( &bld->base, tmp2);
+               STORE( bld, *inst, 0, CHAN_X, tmp2);
             }
             /* dst.y = src.x - floor(src.x) */
             if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y )) {
-               emit_MOV( bld, 2, 0 );
-               emit_sub( bld, 2, 1 );
-               STORE( bld, *inst, 2, 0, CHAN_Y );
+               tmp2 = tmp0;
+               tmp2 = lp_build_sub( &bld->base, tmp2, tmp1);
+               STORE( bld, *inst, 0, CHAN_Y, tmp2);
             }
          }
          /* dst.z = ex2(src.x) */
          if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z )) {
-            emit_ex2( bld, 3, 0 );
-            STORE( bld, *inst, 0, 0, CHAN_Z );
+            tmp0 = lp_build_exp2( &bld->base, tmp0);
+            STORE( bld, *inst, 0, CHAN_Z, tmp0);
          }
       }
       /* dst.w = 1.0 */
       if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W )) {
-         emit_tempf( bld, 0, TEMP_ONE_I, TEMP_ONE_C );
-         STORE( bld, *inst, 0, 0, CHAN_W );
+         tmp0 = bld->base.one;
+         STORE( bld, *inst, 0, CHAN_W, tmp0);
       }
       break;
 #endif
@@ -656,97 +626,97 @@ emit_instruction(
       if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ||
           IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) ||
           IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z )) {
-         FETCH( bld, *inst, 0, 0, CHAN_X );
-         emit_abs( bld, 0 );
-         emit_MOV( bld, 1, 0 );
-         emit_lg2( bld, 2, 1 );
+         tmp0 = FETCH( bld, *inst, 0, CHAN_X );
+         tmp0 = lp_build_abs( &bld->base, tmp0 );
+         tmp1 = tmp0;
+         tmp1 = lp_build_log2( &bld->base, tmp1);
          /* dst.z = lg2(abs(src.x)) */
          if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z )) {
-            STORE( bld, *inst, 1, 0, CHAN_Z );
+            STORE( bld, *inst, 0, CHAN_Z, tmp1);
          }
          if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ||
              IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y )) {
             emit_flr( bld, 2, 1 );
             /* dst.x = floor(lg2(abs(src.x))) */
             if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X )) {
-               STORE( bld, *inst, 1, 0, CHAN_X );
+               STORE( bld, *inst, 0, CHAN_X, tmp1);
             }
             /* dst.x = abs(src)/ex2(floor(lg2(abs(src.x)))) */
             if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y )) {
-               emit_ex2( bld, 2, 1 );
+               tmp1 = lp_build_exp2( &bld->base, tmp1);
                emit_rcp( bld, 1, 1 );
-               emit_mul( bld, 0, 1 );
-               STORE( bld, *inst, 0, 0, CHAN_Y );
+               tmp0 = lp_build_mul( &bld->base, tmp0, tmp1);
+               STORE( bld, *inst, 0, CHAN_Y, tmp0);
             }
          }
       }
       /* dst.w = 1.0 */
       if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W )) {
          emit_tempf( bld, 0, TEMP_ONE_I, TEMP_ONE_C );
-         STORE( bld, *inst, 0, 0, CHAN_W );
+         STORE( bld, *inst, 0, CHAN_W, tmp0);
       }
       break;
 #endif
 
    case TGSI_OPCODE_MUL:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         LLVMValueRef a = FETCH( bld, *inst, 0, chan_index );
-         LLVMValueRef b = FETCH( bld, *inst, 1, chan_index );
-         tmp = lp_build_mul(&bld->base, a, b);
-         STORE( bld, *inst, 0, chan_index, tmp );
+         src0 = FETCH( bld, *inst, 0, chan_index );
+         src1 = FETCH( bld, *inst, 1, chan_index );
+         dst0 = lp_build_mul(&bld->base, src0, src1);
+         STORE( bld, *inst, 0, chan_index, dst0);
       }
       break;
 
    case TGSI_OPCODE_ADD:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         LLVMValueRef a = FETCH( bld, *inst, 0, chan_index );
-         LLVMValueRef b = FETCH( bld, *inst, 1, chan_index );
-         tmp = lp_build_add(&bld->base, a, b);
-         STORE( bld, *inst, 0, chan_index, tmp );
+         src0 = FETCH( bld, *inst, 0, chan_index );
+         src1 = FETCH( bld, *inst, 1, chan_index );
+         dst0 = lp_build_add(&bld->base, src0, src1);
+         STORE( bld, *inst, 0, chan_index, dst0);
       }
       break;
 
-#if 0
    case TGSI_OPCODE_DP3:
    /* TGSI_OPCODE_DOT3 */
-      FETCH( bld, *inst, 0, 0, CHAN_X );
-      FETCH( bld, *inst, 1, 1, CHAN_X );
-      emit_mul( bld, 0, 1 );
-      FETCH( bld, *inst, 1, 0, CHAN_Y );
-      FETCH( bld, *inst, 2, 1, CHAN_Y );
-      emit_mul( bld, 1, 2 );
-      emit_add( bld, 0, 1 );
-      FETCH( bld, *inst, 1, 0, CHAN_Z );
-      FETCH( bld, *inst, 2, 1, CHAN_Z );
-      emit_mul( bld, 1, 2 );
-      emit_add( bld, 0, 1 );
+      tmp0 = FETCH( bld, *inst, 0, CHAN_X );
+      tmp1 = FETCH( bld, *inst, 1, CHAN_X );
+      tmp0 = lp_build_mul( &bld->base, tmp0, tmp1);
+      tmp1 = FETCH( bld, *inst, 0, CHAN_Y );
+      tmp2 = FETCH( bld, *inst, 1, CHAN_Y );
+      tmp1 = lp_build_mul( &bld->base, tmp1, tmp2);
+      tmp0 = lp_build_add( &bld->base, tmp0, tmp1);
+      tmp1 = FETCH( bld, *inst, 0, CHAN_Z );
+      tmp2 = FETCH( bld, *inst, 1, CHAN_Z );
+      tmp1 = lp_build_mul( &bld->base, tmp1, tmp2);
+      tmp0 = lp_build_add( &bld->base, tmp0, tmp1);
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
 
    case TGSI_OPCODE_DP4:
    /* TGSI_OPCODE_DOT4 */
-      FETCH( bld, *inst, 0, 0, CHAN_X );
-      FETCH( bld, *inst, 1, 1, CHAN_X );
-      emit_mul( bld, 0, 1 );
-      FETCH( bld, *inst, 1, 0, CHAN_Y );
-      FETCH( bld, *inst, 2, 1, CHAN_Y );
-      emit_mul( bld, 1, 2 );
-      emit_add( bld, 0, 1 );
-      FETCH( bld, *inst, 1, 0, CHAN_Z );
-      FETCH( bld, *inst, 2, 1, CHAN_Z );
-      emit_mul(bld, 1, 2 );
-      emit_add(bld, 0, 1 );
-      FETCH( bld, *inst, 1, 0, CHAN_W );
-      FETCH( bld, *inst, 2, 1, CHAN_W );
-      emit_mul( bld, 1, 2 );
-      emit_add( bld, 0, 1 );
+      tmp0 = FETCH( bld, *inst, 0, CHAN_X );
+      tmp1 = FETCH( bld, *inst, 1, CHAN_X );
+      tmp0 = lp_build_mul( &bld->base, tmp0, tmp1);
+      tmp1 = FETCH( bld, *inst, 0, CHAN_Y );
+      tmp2 = FETCH( bld, *inst, 1, CHAN_Y );
+      tmp1 = lp_build_mul( &bld->base, tmp1, tmp2);
+      tmp0 = lp_build_add( &bld->base, tmp0, tmp1);
+      tmp1 = FETCH( bld, *inst, 0, CHAN_Z );
+      tmp2 = FETCH( bld, *inst, 1, CHAN_Z );
+      tmp1 = lp_build_mul( &bld->base, tmp1, tmp2);
+      tmp0 = lp_build_add( &bld->base, tmp0, tmp1);
+      tmp1 = FETCH( bld, *inst, 0, CHAN_W );
+      tmp2 = FETCH( bld, *inst, 1, CHAN_W );
+      tmp1 = lp_build_mul( &bld->base, tmp1, tmp2);
+      tmp0 = lp_build_add( &bld->base, tmp0, tmp1);
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
 
+#if 0
    case TGSI_OPCODE_DST:
       IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) {
          emit_tempf(
@@ -754,48 +724,44 @@ emit_instruction(
             0,
             TEMP_ONE_I,
             TEMP_ONE_C );
-         STORE( bld, *inst, 0, 0, CHAN_X );
+         STORE( bld, *inst, 0, CHAN_X, tmp0);
       }
       IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) {
-         FETCH( bld, *inst, 0, 0, CHAN_Y );
-         FETCH( bld, *inst, 1, 1, CHAN_Y );
-         emit_mul( bld, 0, 1 );
-         STORE( bld, *inst, 0, 0, CHAN_Y );
+         tmp0 = FETCH( bld, *inst, 0, CHAN_Y );
+         tmp1 = FETCH( bld, *inst, 1, CHAN_Y );
+         tmp0 = lp_build_mul( &bld->base, tmp0, tmp1);
+         STORE( bld, *inst, 0, CHAN_Y, tmp0);
       }
       IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) {
-         FETCH( bld, *inst, 0, 0, CHAN_Z );
-         STORE( bld, *inst, 0, 0, CHAN_Z );
+         tmp0 = FETCH( bld, *inst, 0, CHAN_Z );
+         STORE( bld, *inst, 0, CHAN_Z, tmp0);
       }
       IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W ) {
-         FETCH( bld, *inst, 0, 1, CHAN_W );
-         STORE( bld, *inst, 0, 0, CHAN_W );
+         tmp0 = FETCH( bld, *inst, 1, CHAN_W );
+         STORE( bld, *inst, 0, CHAN_W, tmp0);
       }
       break;
+#endif
 
    case TGSI_OPCODE_MIN:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         FETCH( bld, *inst, 0, 0, chan_index );
-         FETCH( bld, *inst, 1, 1, chan_index );
-         sse_minps(
-            bld,
-            make_xmm( 0 ),
-            make_xmm( 1 ) );
-         STORE( bld, *inst, 0, 0, chan_index );
+         src0 = FETCH( bld, *inst, 0, chan_index );
+         src1 = FETCH( bld, *inst, 1, chan_index );
+         dst0 = lp_build_min( &bld->base, src0, src1 );
+         STORE( bld, *inst, 0, chan_index, dst0);
       }
       break;
 
    case TGSI_OPCODE_MAX:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         FETCH( bld, *inst, 0, 0, chan_index );
-         FETCH( bld, *inst, 1, 1, chan_index );
-         sse_maxps(
-            bld,
-            make_xmm( 0 ),
-            make_xmm( 1 ) );
-         STORE( bld, *inst, 0, 0, chan_index );
+         src0 = FETCH( bld, *inst, 0, chan_index );
+         src1 = FETCH( bld, *inst, 1, chan_index );
+         dst0 = lp_build_max( &bld->base, src0, src1 );
+         STORE( bld, *inst, 0, chan_index, dst0);
       }
       break;
 
+#if 0
    case TGSI_OPCODE_SLT:
    /* TGSI_OPCODE_SETLT */
       emit_setcc( bld, inst, cc_LessThan );
@@ -809,33 +775,34 @@ emit_instruction(
    case TGSI_OPCODE_MAD:
    /* TGSI_OPCODE_MADD */
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         FETCH( bld, *inst, 0, 0, chan_index );
-         FETCH( bld, *inst, 1, 1, chan_index );
-         FETCH( bld, *inst, 2, 2, chan_index );
-         emit_mul( bld, 0, 1 );
-         emit_add( bld, 0, 2 );
-         STORE( bld, *inst, 0, 0, chan_index );
+         tmp0 = FETCH( bld, *inst, 0, chan_index );
+         tmp1 = FETCH( bld, *inst, 1, chan_index );
+         tmp2 = FETCH( bld, *inst, 2, chan_index );
+         tmp0 = lp_build_mul( &bld->base, tmp0, tmp1);
+         tmp0 = lp_build_add( &bld->base, tmp0, tmp2);
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
 
    case TGSI_OPCODE_SUB:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         FETCH( bld, *inst, 0, 0, chan_index );
-         FETCH( bld, *inst, 1, 1, chan_index );
-         emit_sub( bld, 0, 1 );
-         STORE( bld, *inst, 0, 0, chan_index );
+         tmp0 = FETCH( bld, *inst, 0, chan_index );
+         tmp1 = FETCH( bld, *inst, 1, chan_index );
+         tmp0 = lp_build_sub( &bld->base, tmp0, tmp1);
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
+#endif
 
    case TGSI_OPCODE_LRP:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         FETCH( bld, *inst, 0, 0, chan_index );
-         FETCH( bld, *inst, 1, 1, chan_index );
-         FETCH( bld, *inst, 2, 2, chan_index );
-         emit_sub( bld, 1, 2 );
-         emit_mul( bld, 0, 1 );
-         emit_add( bld, 0, 2 );
-         STORE( bld, *inst, 0, 0, chan_index );
+         src0 = FETCH( bld, *inst, 0, chan_index );
+         src1 = FETCH( bld, *inst, 1, chan_index );
+         src2 = FETCH( bld, *inst, 2, chan_index );
+         tmp0 = lp_build_sub( &bld->base, src1, src2 );
+         tmp0 = lp_build_mul( &bld->base, src0, tmp0 );
+         dst0 = lp_build_add( &bld->base, tmp0, src2 );
+         STORE( bld, *inst, 0, chan_index, dst0 );
       }
       break;
 
@@ -848,25 +815,26 @@ emit_instruction(
       break;
 
    case TGSI_OPCODE_DP2A:
-      FETCH( bld, *inst, 0, 0, CHAN_X );  /* xmm0 = src[0].x */
-      FETCH( bld, *inst, 1, 1, CHAN_X );  /* xmm1 = src[1].x */
-      emit_mul( bld, 0, 1 );              /* xmm0 = xmm0 * xmm1 */
-      FETCH( bld, *inst, 1, 0, CHAN_Y );  /* xmm1 = src[0].y */
-      FETCH( bld, *inst, 2, 1, CHAN_Y );  /* xmm2 = src[1].y */
-      emit_mul( bld, 1, 2 );              /* xmm1 = xmm1 * xmm2 */
-      emit_add( bld, 0, 1 );              /* xmm0 = xmm0 + xmm1 */
-      FETCH( bld, *inst, 1, 2, CHAN_X );  /* xmm1 = src[2].x */
-      emit_add( bld, 0, 1 );              /* xmm0 = xmm0 + xmm1 */
+      tmp0 = FETCH( bld, *inst, 0, CHAN_X );  /* xmm0 = src[0].x */
+      tmp1 = FETCH( bld, *inst, 1, CHAN_X );  /* xmm1 = src[1].x */
+      tmp0 = lp_build_mul( &bld->base, tmp0, tmp1);              /* xmm0 = xmm0 * xmm1 */
+      tmp1 = FETCH( bld, *inst, 0, CHAN_Y );  /* xmm1 = src[0].y */
+      tmp2 = FETCH( bld, *inst, 1, CHAN_Y );  /* xmm2 = src[1].y */
+      tmp1 = lp_build_mul( &bld->base, tmp1, tmp2);              /* xmm1 = xmm1 * xmm2 */
+      tmp0 = lp_build_add( &bld->base, tmp0, tmp1);              /* xmm0 = xmm0 + xmm1 */
+      tmp1 = FETCH( bld, *inst, 2, CHAN_X );  /* xmm1 = src[2].x */
+      tmp0 = lp_build_add( &bld->base, tmp0, tmp1);              /* xmm0 = xmm0 + xmm1 */
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         STORE( bld, *inst, 0, 0, chan_index );  /* dest[ch] = xmm0 */
+         STORE( bld, *inst, 0, chan_index, tmp0);  /* dest[ch] = xmm0 */
       }
       break;
 
+#if 0
    case TGSI_OPCODE_FRC:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         FETCH( bld, *inst, 0, 0, chan_index );
+         tmp0 = FETCH( bld, *inst, 0, chan_index );
          emit_frc( bld, 0, 0 );
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
 
@@ -876,97 +844,94 @@ emit_instruction(
 
    case TGSI_OPCODE_FLR:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         FETCH( bld, *inst, 0, 0, chan_index );
+         tmp0 = FETCH( bld, *inst, 0, chan_index );
          emit_flr( bld, 0, 0 );
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
 
    case TGSI_OPCODE_ROUND:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         FETCH( bld, *inst, 0, 0, chan_index );
+         tmp0 = FETCH( bld, *inst, 0, chan_index );
          emit_rnd( bld, 0, 0 );
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
+#endif
 
-   case TGSI_OPCODE_EX2:
-      FETCH( bld, *inst, 0, 0, CHAN_X );
-      emit_ex2( bld, 0, 0 );
+   case TGSI_OPCODE_EX2: {
+      tmp0 = FETCH( bld, *inst, 0, CHAN_X );
+      tmp0 = lp_build_exp2( &bld->base, tmp0);
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
+   }
 
    case TGSI_OPCODE_LG2:
-      FETCH( bld, *inst, 0, 0, CHAN_X );
-      emit_lg2( bld, 0, 0 );
+      tmp0 = FETCH( bld, *inst, 0, CHAN_X );
+      tmp0 = lp_build_log2( &bld->base, tmp0);
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
 
    case TGSI_OPCODE_POW:
-      FETCH( bld, *inst, 0, 0, CHAN_X );
-      FETCH( bld, *inst, 1, 1, CHAN_X );
-      emit_pow( bld, 0, 0, 0, 1 );
+      src0 = FETCH( bld, *inst, 0, CHAN_X );
+      src1 = FETCH( bld, *inst, 1, CHAN_X );
+      dst0 = lp_build_pow( &bld->base, src0, src1 );
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, dst0 );
       }
       break;
 
    case TGSI_OPCODE_XPD:
       if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ||
           IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) ) {
-         FETCH( bld, *inst, 1, 1, CHAN_Z );
-         FETCH( bld, *inst, 3, 0, CHAN_Z );
+         tmp1 = FETCH( bld, *inst, 1, CHAN_Z );
+         tmp3 = FETCH( bld, *inst, 0, CHAN_Z );
       }
       if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ||
           IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) ) {
-         FETCH( bld, *inst, 0, 0, CHAN_Y );
-         FETCH( bld, *inst, 4, 1, CHAN_Y );
+         tmp0 = FETCH( bld, *inst, 0, CHAN_Y );
+         tmp4 = FETCH( bld, *inst, 1, CHAN_Y );
       }
       IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) {
-         emit_MOV( bld, 2, 0 );
-         emit_mul( bld, 2, 1 );
-         emit_MOV( bld, 5, 3 );
-         emit_mul( bld, 5, 4 );
-         emit_sub( bld, 2, 5 );
-         STORE( bld, *inst, 2, 0, CHAN_X );
+         tmp2 = tmp0;
+         tmp2 = lp_build_mul( &bld->base, tmp2, tmp1);
+         tmp5 = tmp3;
+         tmp5 = lp_build_mul( &bld->base, tmp5, tmp4);
+         tmp2 = lp_build_sub( &bld->base, tmp2, tmp5);
+         STORE( bld, *inst, 0, CHAN_X, tmp2);
       }
       if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) ||
           IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) ) {
-         FETCH( bld, *inst, 2, 1, CHAN_X );
-         FETCH( bld, *inst, 5, 0, CHAN_X );
+         tmp2 = FETCH( bld, *inst, 1, CHAN_X );
+         tmp5 = FETCH( bld, *inst, 0, CHAN_X );
       }
       IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) {
-         emit_mul( bld, 3, 2 );
-         emit_mul( bld, 1, 5 );
-         emit_sub( bld, 3, 1 );
-         STORE( bld, *inst, 3, 0, CHAN_Y );
+         tmp3 = lp_build_mul( &bld->base, tmp3, tmp2);
+         tmp1 = lp_build_mul( &bld->base, tmp1, tmp5);
+         tmp3 = lp_build_sub( &bld->base, tmp3, tmp1);
+         STORE( bld, *inst, 0, CHAN_Y, tmp3);
       }
       IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) {
-         emit_mul( bld, 5, 4 );
-         emit_mul( bld, 0, 2 );
-         emit_sub( bld, 5, 0 );
-         STORE( bld, *inst, 5, 0, CHAN_Z );
+         tmp5 = lp_build_mul( &bld->base, tmp5, tmp4);
+         tmp0 = lp_build_mul( &bld->base, tmp0, tmp2);
+         tmp5 = lp_build_sub( &bld->base, tmp5, tmp0);
+         STORE( bld, *inst, 0, CHAN_Z, tmp5);
       }
       IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W ) {
-	 emit_tempf(
-	    bld,
-	    0,
-	    TEMP_ONE_I,
-	    TEMP_ONE_C );
-         STORE( bld, *inst, 0, 0, CHAN_W );
+         tmp0 = bld->base.one;
+         STORE( bld, *inst, 0, CHAN_W, tmp0);
       }
       break;
 
    case TGSI_OPCODE_ABS:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         FETCH( bld, *inst, 0, 0, chan_index );
-         emit_abs( bld, 0) ;
-
-         STORE( bld, *inst, 0, 0, chan_index );
+         tmp0 = FETCH( bld, *inst, 0, chan_index );
+         tmp0 = lp_build_abs( &bld->base, tmp0 ) ;
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
 
@@ -975,29 +940,29 @@ emit_instruction(
       break;
 
    case TGSI_OPCODE_DPH:
-      FETCH( bld, *inst, 0, 0, CHAN_X );
-      FETCH( bld, *inst, 1, 1, CHAN_X );
-      emit_mul( bld, 0, 1 );
-      FETCH( bld, *inst, 1, 0, CHAN_Y );
-      FETCH( bld, *inst, 2, 1, CHAN_Y );
-      emit_mul( bld, 1, 2 );
-      emit_add( bld, 0, 1 );
-      FETCH( bld, *inst, 1, 0, CHAN_Z );
-      FETCH( bld, *inst, 2, 1, CHAN_Z );
-      emit_mul( bld, 1, 2 );
-      emit_add( bld, 0, 1 );
-      FETCH( bld, *inst, 1, 1, CHAN_W );
-      emit_add( bld, 0, 1 );
+      tmp0 = FETCH( bld, *inst, 0, CHAN_X );
+      tmp1 = FETCH( bld, *inst, 1, CHAN_X );
+      tmp0 = lp_build_mul( &bld->base, tmp0, tmp1);
+      tmp1 = FETCH( bld, *inst, 0, CHAN_Y );
+      tmp2 = FETCH( bld, *inst, 1, CHAN_Y );
+      tmp1 = lp_build_mul( &bld->base, tmp1, tmp2);
+      tmp0 = lp_build_add( &bld->base, tmp0, tmp1);
+      tmp1 = FETCH( bld, *inst, 0, CHAN_Z );
+      tmp2 = FETCH( bld, *inst, 1, CHAN_Z );
+      tmp1 = lp_build_mul( &bld->base, tmp1, tmp2);
+      tmp0 = lp_build_add( &bld->base, tmp0, tmp1);
+      tmp1 = FETCH( bld, *inst, 1, CHAN_W );
+      tmp0 = lp_build_add( &bld->base, tmp0, tmp1);
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
 
    case TGSI_OPCODE_COS:
-      FETCH( bld, *inst, 0, 0, CHAN_X );
-      emit_cos( bld, 0, 0 );
+      tmp0 = FETCH( bld, *inst, 0, CHAN_X );
+      tmp0 = lp_build_cos( &bld->base, tmp0 );
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
 
@@ -1009,6 +974,7 @@ emit_instruction(
       return 0;
       break;
 
+#if 0
    case TGSI_OPCODE_KILP:
       /* predicated kill */
       emit_kilp( bld );
@@ -1019,6 +985,7 @@ emit_instruction(
       /* conditional kill */
       emit_kil( bld, &inst->FullSrcRegisters[0] );
       break;
+#endif
 
    case TGSI_OPCODE_PK2H:
       return 0;
@@ -1053,10 +1020,10 @@ emit_instruction(
       break;
 
    case TGSI_OPCODE_SIN:
-      FETCH( bld, *inst, 0, 0, CHAN_X );
-      emit_sin( bld, 0, 0 );
+      tmp0 = FETCH( bld, *inst, 0, CHAN_X );
+      tmp0 = lp_build_sin( &bld->base, tmp0 );
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
 
@@ -1071,13 +1038,11 @@ emit_instruction(
    case TGSI_OPCODE_STR:
       return 0;
       break;
-#endif
 
    case TGSI_OPCODE_TEX:
       emit_tex( bld, inst, FALSE, FALSE );
       break;
 
-#if 0
    case TGSI_OPCODE_TXD:
       return 0;
       break;
@@ -1106,14 +1071,16 @@ emit_instruction(
       return 0;
       break;
 
+#if 0
    case TGSI_OPCODE_ARR:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         FETCH( bld, *inst, 0, 0, chan_index );
+         tmp0 = FETCH( bld, *inst, 0, chan_index );
          emit_rnd( bld, 0, 0 );
          emit_f2it( bld, 0 );
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
+#endif
 
    case TGSI_OPCODE_BRA:
       return 0;
@@ -1123,6 +1090,7 @@ emit_instruction(
       return 0;
       break;
 
+#if 0
    case TGSI_OPCODE_RET:
       emit_ret( bld );
       break;
@@ -1135,9 +1103,9 @@ emit_instruction(
    case TGSI_OPCODE_SSG:
    /* TGSI_OPCODE_SGN */
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         FETCH( bld, *inst, 0, 0, chan_index );
+         tmp0 = FETCH( bld, *inst, 0, chan_index );
          emit_sgn( bld, 0, 0 );
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
 
@@ -1147,14 +1115,14 @@ emit_instruction(
 
    case TGSI_OPCODE_SCS:
       IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) {
-         FETCH( bld, *inst, 0, 0, CHAN_X );
-         emit_cos( bld, 0, 0 );
-         STORE( bld, *inst, 0, 0, CHAN_X );
+         tmp0 = FETCH( bld, *inst, 0, CHAN_X );
+         tmp0 = lp_build_cos( &bld->base, tmp0 );
+         STORE( bld, *inst, 0, CHAN_X, tmp0);
       }
       IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) {
-         FETCH( bld, *inst, 0, 0, CHAN_X );
-         emit_sin( bld, 0, 0 );
-         STORE( bld, *inst, 0, 0, CHAN_Y );
+         tmp0 = FETCH( bld, *inst, 0, CHAN_X );
+         tmp0 = lp_build_sin( &bld->base, tmp0 );
+         STORE( bld, *inst, 0, CHAN_Y, tmp0);
       }
       IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z ) {
 	 emit_tempf(
@@ -1162,7 +1130,7 @@ emit_instruction(
 	    0,
 	    TGSI_EXEC_TEMP_00000000_I,
 	    TGSI_EXEC_TEMP_00000000_C );
-         STORE( bld, *inst, 0, 0, CHAN_Z );
+         STORE( bld, *inst, 0, CHAN_Z, tmp0);
       }
       IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W ) {
 	 emit_tempf(
@@ -1170,7 +1138,7 @@ emit_instruction(
 	    0,
 	    TEMP_ONE_I,
 	    TEMP_ONE_C );
-         STORE( bld, *inst, 0, 0, CHAN_W );
+         STORE( bld, *inst, 0, CHAN_W, tmp0);
       }
       break;
 #endif
@@ -1179,7 +1147,6 @@ emit_instruction(
       emit_tex( bld, inst, TRUE, FALSE );
       break;
 
-#if 0
    case TGSI_OPCODE_NRM:
       /* fall-through */
    case TGSI_OPCODE_NRM4:
@@ -1196,73 +1163,73 @@ emit_instruction(
 
             /* xmm4 = src.x */
             /* xmm0 = src.x * src.x */
-            FETCH(bld, *inst, 0, 0, CHAN_X);
+            tmp0 = FETCH(bld, *inst, 0, CHAN_X);
             if (IS_DST0_CHANNEL_ENABLED(*inst, CHAN_X)) {
-               emit_MOV(bld, 4, 0);
+               tmp4 = tmp0;
             }
-            emit_mul(bld, 0, 0);
+            tmp0 = lp_build_mul( &bld->base, tmp0, tmp0);
 
             /* xmm5 = src.y */
             /* xmm0 = xmm0 + src.y * src.y */
-            FETCH(bld, *inst, 1, 0, CHAN_Y);
+            tmp1 = FETCH(bld, *inst, 0, CHAN_Y);
             if (IS_DST0_CHANNEL_ENABLED(*inst, CHAN_Y)) {
-               emit_MOV(bld, 5, 1);
+               tmp5 = tmp1;
             }
-            emit_mul(bld, 1, 1);
-            emit_add(bld, 0, 1);
+            tmp1 = lp_build_mul( &bld->base, tmp1, tmp1);
+            tmp0 = lp_build_add( &bld->base, tmp0, tmp1);
 
             /* xmm6 = src.z */
             /* xmm0 = xmm0 + src.z * src.z */
-            FETCH(bld, *inst, 1, 0, CHAN_Z);
+            tmp1 = FETCH(bld, *inst, 0, CHAN_Z);
             if (IS_DST0_CHANNEL_ENABLED(*inst, CHAN_Z)) {
-               emit_MOV(bld, 6, 1);
+               tmp6 = tmp1;
             }
-            emit_mul(bld, 1, 1);
-            emit_add(bld, 0, 1);
+            tmp1 = lp_build_mul( &bld->base, tmp1, tmp1);
+            tmp0 = lp_build_add( &bld->base, tmp0, tmp1);
 
             if (dims == 4) {
                /* xmm7 = src.w */
                /* xmm0 = xmm0 + src.w * src.w */
-               FETCH(bld, *inst, 1, 0, CHAN_W);
+               tmp1 = FETCH(bld, *inst, 0, CHAN_W);
                if (IS_DST0_CHANNEL_ENABLED(*inst, CHAN_W)) {
-                  emit_MOV(bld, 7, 1);
+                  tmp7 = tmp1;
                }
-               emit_mul(bld, 1, 1);
-               emit_add(bld, 0, 1);
+               tmp1 = lp_build_mul( &bld->base, tmp1, tmp1);
+               tmp0 = lp_build_add( &bld->base, tmp0, tmp1);
             }
 
             /* xmm1 = 1 / sqrt(xmm0) */
-            emit_rsqrt(bld, 1, 0);
+            tmp1 = lp_build_rsqrt( &bld->base, tmp0);
 
             /* dst.x = xmm1 * src.x */
             if (IS_DST0_CHANNEL_ENABLED(*inst, CHAN_X)) {
-               emit_mul(bld, 4, 1);
-               STORE(bld, *inst, 4, 0, CHAN_X);
+               tmp4 = lp_build_mul( &bld->base, tmp4, tmp1);
+               STORE(bld, *inst, 0, CHAN_X, tmp4);
             }
 
             /* dst.y = xmm1 * src.y */
             if (IS_DST0_CHANNEL_ENABLED(*inst, CHAN_Y)) {
-               emit_mul(bld, 5, 1);
-               STORE(bld, *inst, 5, 0, CHAN_Y);
+               tmp5 = lp_build_mul( &bld->base, tmp5, tmp1);
+               STORE(bld, *inst, 0, CHAN_Y, tmp5);
             }
 
             /* dst.z = xmm1 * src.z */
             if (IS_DST0_CHANNEL_ENABLED(*inst, CHAN_Z)) {
-               emit_mul(bld, 6, 1);
-               STORE(bld, *inst, 6, 0, CHAN_Z);
+               tmp6 = lp_build_mul( &bld->base, tmp6, tmp1);
+               STORE(bld, *inst, 0, CHAN_Z, tmp6);
             }
 
             /* dst.w = xmm1 * src.w */
             if (IS_DST0_CHANNEL_ENABLED(*inst, CHAN_X) && dims == 4) {
-               emit_mul(bld, 7, 1);
-               STORE(bld, *inst, 7, 0, CHAN_W);
+               tmp7 = lp_build_mul( &bld->base, tmp7, tmp1);
+               STORE(bld, *inst, 0, CHAN_W, tmp7);
             }
          }
 
          /* dst0.w = 1.0 */
          if (IS_DST0_CHANNEL_ENABLED(*inst, CHAN_W) && dims == 3) {
-            emit_tempf(bld, 0, TEMP_ONE_I, TEMP_ONE_C);
-            STORE(bld, *inst, 0, 0, CHAN_W);
+            tmp0 = bld->base.one;
+            STORE(bld, *inst, 0, CHAN_W, tmp0);
          }
       }
       break;
@@ -1272,18 +1239,17 @@ emit_instruction(
       break;
 
    case TGSI_OPCODE_DP2:
-      FETCH( bld, *inst, 0, 0, CHAN_X );  /* xmm0 = src[0].x */
-      FETCH( bld, *inst, 1, 1, CHAN_X );  /* xmm1 = src[1].x */
-      emit_mul( bld, 0, 1 );              /* xmm0 = xmm0 * xmm1 */
-      FETCH( bld, *inst, 1, 0, CHAN_Y );  /* xmm1 = src[0].y */
-      FETCH( bld, *inst, 2, 1, CHAN_Y );  /* xmm2 = src[1].y */
-      emit_mul( bld, 1, 2 );              /* xmm1 = xmm1 * xmm2 */
-      emit_add( bld, 0, 1 );              /* xmm0 = xmm0 + xmm1 */
+      tmp0 = FETCH( bld, *inst, 0, CHAN_X );  /* xmm0 = src[0].x */
+      tmp1 = FETCH( bld, *inst, 1, CHAN_X );  /* xmm1 = src[1].x */
+      tmp0 = lp_build_mul( &bld->base, tmp0, tmp1);              /* xmm0 = xmm0 * xmm1 */
+      tmp1 = FETCH( bld, *inst, 0, CHAN_Y );  /* xmm1 = src[0].y */
+      tmp2 = FETCH( bld, *inst, 1, CHAN_Y );  /* xmm2 = src[1].y */
+      tmp1 = lp_build_mul( &bld->base, tmp1, tmp2);              /* xmm1 = xmm1 * xmm2 */
+      tmp0 = lp_build_add( &bld->base, tmp0, tmp1);              /* xmm0 = xmm0 + xmm1 */
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         STORE( bld, *inst, 0, 0, chan_index );  /* dest[ch] = xmm0 */
+         STORE( bld, *inst, 0, chan_index, tmp0);  /* dest[ch] = xmm0 */
       }
       break;
-#endif
 
    case TGSI_OPCODE_TXL:
       emit_tex( bld, inst, TRUE, FALSE );
@@ -1293,7 +1259,6 @@ emit_instruction(
       emit_tex( bld, inst, FALSE, TRUE );
       break;
       
-#if 0
    case TGSI_OPCODE_BRK:
       return 0;
       break;
@@ -1346,14 +1311,16 @@ emit_instruction(
       return 0;
       break;
 
+#if 0
    case TGSI_OPCODE_TRUNC:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-         FETCH( bld, *inst, 0, 0, chan_index );
+         tmp0 = FETCH( bld, *inst, 0, chan_index );
          emit_f2it( bld, 0 );
          emit_i2f( bld, 0 );
-         STORE( bld, *inst, 0, 0, chan_index );
+         STORE( bld, *inst, 0, chan_index, tmp0);
       }
       break;
+#endif
 
    case TGSI_OPCODE_SHL:
       return 0;
@@ -1402,7 +1369,6 @@ emit_instruction(
    case TGSI_OPCODE_ENDPRIM:
       return 0;
       break;
-#endif
 
    default:
       return 0;