src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2011-2012 Advanced Micro Devices, Inc.
   4  * Copyright 2009 VMware, Inc.
   5  * Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   6  * All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the
  10  * "Software"), to deal in the Software without restriction, including
  11  * without limitation the rights to use, copy, modify, merge, publish,
  12  * distribute, sub license, and/or sell copies of the Software, and to
  13  * permit persons to whom the Software is furnished to do so, subject to
  14  * the following conditions:
  15  *
  16  * The above copyright notice and this permission notice (including the
  17  * next paragraph) shall be included in all copies or substantial portions
  18  * of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  21  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  23  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  24  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  25  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  26  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27  *
  28  **************************************************************************/
  29
  30 /**
  31  * @file
  32  * TGSI to LLVM IR translation.
  33  *
  34  * @author Jose Fonseca <jfonseca@vmware.com>
  35  * @author Tom Stellard <thomas.stellard@amd.com>
  36  *
  37  * Based on tgsi_sse2.c code written by Michal Krol, Keith Whitwell,
  38  * Brian Paul, and others.
  39  */
  40
  41
  42 #include "lp_bld_tgsi_action.h"
  43
  44 #include "lp_bld_tgsi.h"
  45 #include "lp_bld_arit.h"
  46 #include "lp_bld_bitarit.h"
  47 #include "lp_bld_const.h"
  48 #include "lp_bld_gather.h"
  49 #include "lp_bld_logic.h"
  50
  51 #include "tgsi/tgsi_exec.h"
  52
  53 /* XXX: The CPU only defaults should be repaced by generic ones.  In most
  54  * cases, the CPU defaults are just wrappers around a function in
  55  * lp_build_arit.c and these functions should be inlined here and the CPU
  56  * generic code should be removed and placed elsewhere.
  57  */
  58
  59 /* Default actions */
  60
  61 /* Generic fetch_arg functions */
  62
  63 static void scalar_unary_fetch_args(
  64    struct lp_build_tgsi_context * bld_base,
  65    struct lp_build_emit_data * emit_data)
  66 {
  67    /* src0.x */
  68    emit_data->args[0] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, 0);
  69    emit_data->arg_count = 1;
  70    emit_data->dst_type = LLVMTypeOf(emit_data->args[0]);
  71 }
  72
  73 static void scalar_binary_fetch_args(
  74    struct lp_build_tgsi_context * bld_base,
  75    struct lp_build_emit_data * emit_data)
  76 {
  77    /* src0.x */
  78    emit_data->args[0] = lp_build_emit_fetch(bld_base, emit_data->inst,
  79                                             0, TGSI_CHAN_X);
  80    /* src1.x */
  81    emit_data->args[1] = lp_build_emit_fetch(bld_base, emit_data->inst,
  82                                             1, TGSI_CHAN_X);
  83    emit_data->arg_count = 2;
  84    emit_data->dst_type = LLVMTypeOf(emit_data->args[0]);
  85 }
  86
  87 /* TGSI_OPCODE_ADD */
  88 static void
  89 add_emit(
  90    const struct lp_build_tgsi_action * action,
  91    struct lp_build_tgsi_context * bld_base,
  92    struct lp_build_emit_data * emit_data)
  93 {
  94    emit_data->output[emit_data->chan] = LLVMBuildFAdd(
  95                                 bld_base->base.gallivm->builder,
  96                                 emit_data->args[0], emit_data->args[1], "");
  97 }
  98
  99 /* TGSI_OPCODE_ARR */
 100 static void
 101 arr_emit(
 102    const struct lp_build_tgsi_action * action,
 103    struct lp_build_tgsi_context * bld_base,
 104    struct lp_build_emit_data * emit_data)
 105 {
 106    LLVMValueRef tmp = lp_build_emit_llvm_unary(bld_base, TGSI_OPCODE_ROUND, emit_data->args[0]);
 107    emit_data->output[emit_data->chan] = LLVMBuildFPToSI(bld_base->base.gallivm->builder, tmp,
 108                                                         bld_base->uint_bld.vec_type, "");
 109 }
 110
 111 /* TGSI_OPCODE_CLAMP */
 112 static void
 113 clamp_emit(
 114    const struct lp_build_tgsi_action * action,
 115    struct lp_build_tgsi_context * bld_base,
 116    struct lp_build_emit_data * emit_data)
 117 {
 118    LLVMValueRef tmp;
 119    tmp = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MAX,
 120                                    emit_data->args[0],
 121                                    emit_data->args[1]);
 122    emit_data->output[emit_data->chan] = lp_build_emit_llvm_binary(bld_base,
 123                                        TGSI_OPCODE_MIN, tmp, emit_data->args[2]);
 124 }
 125
 126 /* DP* Helper */
 127
 128 static void
 129 dp_fetch_args(
 130    struct lp_build_tgsi_context * bld_base,
 131    struct lp_build_emit_data * emit_data,
 132    unsigned dp_components)
 133 {
 134    unsigned chan, src;
 135    for (src = 0; src < 2; src++) {
 136       for (chan = 0; chan < dp_components; chan++) {
 137          emit_data->args[(src * dp_components) + chan] =
 138                      lp_build_emit_fetch(bld_base, emit_data->inst, src, chan);
 139       }
 140    }
 141    emit_data->dst_type = bld_base->base.elem_type;
 142 }
 143
 144 /* TGSI_OPCODE_DP2 */
 145 static void
 146 dp2_fetch_args(
 147    struct lp_build_tgsi_context * bld_base,
 148    struct lp_build_emit_data * emit_data)
 149 {
 150    dp_fetch_args(bld_base, emit_data, 2);
 151 }
 152
 153 static void
 154 dp2_emit(
 155    const struct lp_build_tgsi_action * action,
 156    struct lp_build_tgsi_context * bld_base,
 157    struct lp_build_emit_data * emit_data)
 158 {
 159    LLVMValueRef tmp0, tmp1;
 160    tmp0 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MUL,
 161                                     emit_data->args[0] /* src0.x */,
 162                                     emit_data->args[2] /* src1.x */);
 163    tmp1 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MUL,
 164                                     emit_data->args[1] /* src0.y */,
 165                                     emit_data->args[3] /* src1.y */);
 166    emit_data->output[emit_data->chan] = lp_build_emit_llvm_binary(bld_base,
 167                                                     TGSI_OPCODE_ADD, tmp0, tmp1);
 168 }
 169
 170 static struct lp_build_tgsi_action dp2_action = {
 171    dp2_fetch_args,       /* fetch_args */
 172    dp2_emit      /* emit */
 173 };
 174
 175 /* TGSI_OPCODE_DP2A */
 176 static void
 177 dp2a_fetch_args(
 178    struct lp_build_tgsi_context * bld_base,
 179    struct lp_build_emit_data * emit_data)
 180 {
 181    dp_fetch_args(bld_base, emit_data, 2);
 182    emit_data->args[5] = lp_build_emit_fetch(bld_base, emit_data->inst,
 183                                             2, TGSI_CHAN_X);
 184 }
 185
 186 static void
 187 dp2a_emit(
 188    const struct lp_build_tgsi_action * action,
 189    struct lp_build_tgsi_context * bld_base,
 190    struct lp_build_emit_data * emit_data)
 191 {
 192    LLVMValueRef tmp;
 193    tmp = lp_build_emit_llvm(bld_base, TGSI_OPCODE_DP2, emit_data);
 194    emit_data->output[emit_data->chan] = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_ADD,
 195                                     emit_data->args[5], tmp);
 196 }
 197
 198 static struct lp_build_tgsi_action dp2a_action = {
 199    dp2a_fetch_args,      /* fetch_args */
 200    dp2a_emit     /* emit */
 201 };
 202
 203 /* TGSI_OPCODE_DP3 */
 204 static void
 205 dp3_fetch_args(
 206    struct lp_build_tgsi_context * bld_base,
 207    struct lp_build_emit_data * emit_data)
 208 {
 209    dp_fetch_args(bld_base, emit_data, 3);
 210 }
 211
 212 static void
 213 dp3_emit(
 214    const struct lp_build_tgsi_action * action,
 215    struct lp_build_tgsi_context * bld_base,
 216    struct lp_build_emit_data * emit_data)
 217 {
 218    LLVMValueRef tmp0, tmp1;
 219    tmp0 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MUL,
 220                                     emit_data->args[0] /* src0.x */,
 221                                     emit_data->args[3] /* src1.x */);
 222    tmp1 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MUL,
 223                                     emit_data->args[1] /* src0.y */,
 224                                     emit_data->args[4] /* src1.y */);
 225    tmp0 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_ADD, tmp1, tmp0);
 226    tmp1 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MUL,
 227                                     emit_data->args[2] /* src0.z */,
 228                                     emit_data->args[5] /* src1.z */);
 229    emit_data->output[emit_data->chan] = lp_build_emit_llvm_binary(bld_base,
 230                                                     TGSI_OPCODE_ADD, tmp0, tmp1);
 231 }
 232
 233 static struct lp_build_tgsi_action dp3_action = {
 234    dp3_fetch_args,       /* fetch_args */
 235    dp3_emit      /* emit */
 236 };
 237
 238 /* TGSI_OPCODDE_DP4 */
 239
 240 static void
 241 dp4_fetch_args(
 242    struct lp_build_tgsi_context * bld_base,
 243    struct lp_build_emit_data * emit_data)
 244 {
 245    dp_fetch_args(bld_base, emit_data, 4);
 246 }
 247
 248 static void
 249 dp4_emit(
 250    const struct lp_build_tgsi_action * action,
 251    struct lp_build_tgsi_context * bld_base,
 252    struct lp_build_emit_data * emit_data)
 253 {
 254    LLVMValueRef tmp0, tmp1;
 255    tmp0 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MUL,
 256                                     emit_data->args[0] /* src0.x */,
 257                                     emit_data->args[4] /* src1.x */);
 258    tmp1 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MUL,
 259                                     emit_data->args[1] /* src0.y */,
 260                                     emit_data->args[5] /* src1.y */);
 261    tmp0 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_ADD, tmp0, tmp1);
 262    tmp1 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MUL,
 263                                     emit_data->args[2] /* src0.z */,
 264                                     emit_data->args[6] /* src1.z */);
 265    tmp0 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_ADD, tmp0, tmp1);
 266    tmp1 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MUL,
 267                                     emit_data->args[3] /* src0.w */,
 268                                     emit_data->args[7] /* src1.w */);
 269    emit_data->output[emit_data->chan] = lp_build_emit_llvm_binary(bld_base,
 270                                                     TGSI_OPCODE_ADD, tmp0, tmp1);
 271 }
 272
 273 static struct lp_build_tgsi_action dp4_action = {
 274    dp4_fetch_args,       /* fetch_args */
 275    dp4_emit      /* emit */
 276 };
 277
 278 /* TGSI_OPCODE_DPH */
 279 static void
 280 dph_fetch_args(
 281    struct lp_build_tgsi_context * bld_base,
 282    struct lp_build_emit_data * emit_data)
 283 {
 284    dp_fetch_args(bld_base, emit_data, 4);
 285    /* src0.w */
 286    emit_data->args[3] = bld_base->base.one;
 287 }
 288
 289 const struct lp_build_tgsi_action dph_action = {
 290    dph_fetch_args,       /* fetch_args */
 291    dp4_emit      /* emit */
 292 };
 293
 294 /* TGSI_OPCODE_DST */
 295 static void
 296 dst_fetch_args(
 297    struct lp_build_tgsi_context * bld_base,
 298    struct lp_build_emit_data * emit_data)
 299 {
 300    /* src0.y */
 301    emit_data->args[0] = lp_build_emit_fetch(bld_base, emit_data->inst,
 302                                             0, TGSI_CHAN_Y);
 303    /* src0.z */
 304    emit_data->args[1] = lp_build_emit_fetch(bld_base, emit_data->inst,
 305                                             0, TGSI_CHAN_Z);
 306    /* src1.y */
 307    emit_data->args[2] = lp_build_emit_fetch(bld_base, emit_data->inst,
 308                                             1, TGSI_CHAN_Y);
 309    /* src1.w */
 310    emit_data->args[3] = lp_build_emit_fetch(bld_base, emit_data->inst,
 311                                             1, TGSI_CHAN_W);
 312 }
 313
 314 static void
 315 dst_emit(
 316    const struct lp_build_tgsi_action * action,
 317    struct lp_build_tgsi_context * bld_base,
 318    struct lp_build_emit_data * emit_data)
 319 {
 320    /* dst.x */
 321    emit_data->output[TGSI_CHAN_X] = bld_base->base.one;
 322
 323    /* dst.y */
 324    emit_data->output[TGSI_CHAN_Y] = lp_build_emit_llvm_binary(bld_base,
 325                                           TGSI_OPCODE_MUL,
 326                                           emit_data->args[0] /* src0.y */,
 327                                           emit_data->args[2] /* src1.y */);
 328    /* dst.z */
 329    emit_data->output[TGSI_CHAN_Z] = emit_data->args[1]; /* src0.z */
 330
 331    /* dst.w */
 332    emit_data->output[TGSI_CHAN_W] = emit_data->args[3]; /* src1.w */
 333 }
 334
 335 static struct lp_build_tgsi_action dst_action = {
 336    dst_fetch_args,       /* fetch_args */
 337    dst_emit      /* emit */
 338 };
 339
 340 /* TGSI_OPCODE_END */
 341 static void
 342 end_emit(
 343    const struct lp_build_tgsi_action * action,
 344    struct lp_build_tgsi_context * bld_base,
 345    struct lp_build_emit_data * emit_data)
 346 {
 347    bld_base->pc = -1;
 348 }
 349
 350 /* TGSI_OPCODE_EXP */
 351
 352 static void
 353 exp_emit(
 354    const struct lp_build_tgsi_action * action,
 355    struct lp_build_tgsi_context * bld_base,
 356    struct lp_build_emit_data * emit_data)
 357 {
 358    LLVMValueRef floor_x;
 359
 360    /* floor( src0.x ) */
 361    floor_x = lp_build_emit_llvm_unary(bld_base, TGSI_OPCODE_FLR,
 362                                       emit_data->args[0]);
 363
 364    /* 2 ^ floor( src0.x ) */
 365    emit_data->output[TGSI_CHAN_X] = lp_build_emit_llvm_unary(bld_base,
 366                                        TGSI_OPCODE_EX2, floor_x);
 367
 368    /* src0.x - floor( src0.x ) */
 369    emit_data->output[TGSI_CHAN_Y] = lp_build_emit_llvm_binary(bld_base,
 370                    TGSI_OPCODE_SUB,  emit_data->args[0] /* src0.x */, floor_x);
 371
 372    /* 2 ^ src0.x */
 373    emit_data->output[TGSI_CHAN_Z] = lp_build_emit_llvm_unary(bld_base,
 374                              TGSI_OPCODE_EX2, emit_data->args[0] /* src0.x */);
 375
 376    emit_data->output[TGSI_CHAN_W] = bld_base->base.one;
 377 }
 378
 379 const struct lp_build_tgsi_action exp_action = {
 380    scalar_unary_fetch_args,      /* fetch_args */
 381    exp_emit      /* emit */
 382 };
 383
 384 /* TGSI_OPCODE_FRC */
 385
 386 static void
 387 frc_emit(
 388    const struct lp_build_tgsi_action * action,
 389    struct lp_build_tgsi_context * bld_base,
 390    struct lp_build_emit_data * emit_data)
 391 {
 392    LLVMValueRef tmp;
 393    tmp = lp_build_emit_llvm_unary(bld_base, TGSI_OPCODE_FLR,
 394                                   emit_data->args[0]);
 395    emit_data->output[emit_data->chan] = lp_build_emit_llvm_binary(bld_base,
 396                                        TGSI_OPCODE_SUB, emit_data->args[0], tmp);
 397 }
 398
 399 /* TGSI_OPCODE_KIL */
 400
 401 static void
 402 kil_fetch_args(
 403    struct lp_build_tgsi_context * bld_base,
 404    struct lp_build_emit_data * emit_data)
 405 {
 406    /* src0.x */
 407    emit_data->args[0] = lp_build_emit_fetch(bld_base, emit_data->inst,
 408                                             0, TGSI_CHAN_X);
 409    /* src0.y */
 410    emit_data->args[1] = lp_build_emit_fetch(bld_base, emit_data->inst,
 411                                             0, TGSI_CHAN_Y);
 412    /* src0.z */
 413    emit_data->args[2] = lp_build_emit_fetch(bld_base, emit_data->inst,
 414                                             0, TGSI_CHAN_Z);
 415    /* src0.w */
 416    emit_data->args[3] = lp_build_emit_fetch(bld_base, emit_data->inst,
 417                                             0, TGSI_CHAN_W);
 418    emit_data->arg_count = 4;
 419    emit_data->dst_type = LLVMVoidTypeInContext(bld_base->base.gallivm->context);
 420 }
 421
 422 /* TGSI_OPCODE_KILP */
 423
 424 static void
 425 kilp_fetch_args(
 426    struct lp_build_tgsi_context * bld_base,
 427    struct lp_build_emit_data * emit_data)
 428 {
 429    emit_data->dst_type = LLVMVoidTypeInContext(bld_base->base.gallivm->context);
 430 }
 431
 432 /* TGSI_OPCODE_LIT */
 433
 434 static void
 435 lit_fetch_args(
 436    struct lp_build_tgsi_context * bld_base,
 437    struct lp_build_emit_data * emit_data)
 438 {
 439    /* src0.x */
 440    emit_data->args[0] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_X);
 441    /* src0.y */
 442    emit_data->args[1] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_Y);
 443    /* src0.w */
 444    emit_data->args[2] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_W);
 445    emit_data->arg_count = 3;
 446 }
 447
 448 static void
 449 lit_emit(
 450    const struct lp_build_tgsi_action * action,
 451    struct lp_build_tgsi_context * bld_base,
 452    struct lp_build_emit_data * emit_data)
 453 {
 454    LLVMValueRef tmp0, tmp1, tmp2;
 455
 456    /* dst.x */
 457    emit_data->output[TGSI_CHAN_X] = bld_base->base.one;
 458
 459    /* dst. y */
 460    emit_data->output[TGSI_CHAN_Y] = lp_build_emit_llvm_binary(bld_base,
 461                                                TGSI_OPCODE_MAX,
 462                                                emit_data->args[0] /* src0.x */,
 463                                                bld_base->base.zero);
 464
 465    /* dst.z */
 466    /* XMM[1] = SrcReg[0].yyyy */
 467    tmp1 = emit_data->args[1];
 468    /* XMM[1] = max(XMM[1], 0) */
 469    tmp1 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MAX,
 470                                     tmp1, bld_base->base.zero);
 471    /* XMM[2] = SrcReg[0].wwww */
 472    tmp2 = emit_data->args[2];
 473    tmp1 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_POW,
 474                                     tmp1, tmp2);
 475    tmp0 = emit_data->args[0];
 476    emit_data->output[TGSI_CHAN_Z] = lp_build_emit_llvm_ternary(bld_base,
 477                                              TGSI_OPCODE_CMP,
 478                                              tmp0, bld_base->base.zero, tmp1);
 479    /* dst.w */
 480    emit_data->output[TGSI_CHAN_W] = bld_base->base.one;
 481 }
 482
 483 static struct lp_build_tgsi_action lit_action = {
 484    lit_fetch_args,       /* fetch_args */
 485    lit_emit      /* emit */
 486 };
 487
 488 /* TGSI_OPCODE_LOG */
 489
 490 static void
 491 log_emit(
 492    const struct lp_build_tgsi_action * action,
 493    struct lp_build_tgsi_context * bld_base,
 494    struct lp_build_emit_data * emit_data)
 495 {
 496
 497    LLVMValueRef abs_x, log_abs_x, flr_log_abs_x, ex2_flr_log_abs_x;
 498
 499    /* abs( src0.x) */
 500    abs_x = lp_build_emit_llvm_unary(bld_base, TGSI_OPCODE_ABS,
 501                                     emit_data->args[0] /* src0.x */);
 502
 503    /* log( abs( src0.x ) ) */
 504    log_abs_x = lp_build_emit_llvm_unary(bld_base, TGSI_OPCODE_LG2,
 505                                         abs_x);
 506
 507    /* floor( log( abs( src0.x ) ) ) */
 508    flr_log_abs_x = lp_build_emit_llvm_unary(bld_base, TGSI_OPCODE_FLR,
 509                                             log_abs_x);
 510    /* dst.x */
 511    emit_data->output[TGSI_CHAN_X] = flr_log_abs_x;
 512
 513    /* dst.y */
 514    ex2_flr_log_abs_x = lp_build_emit_llvm_unary(bld_base, TGSI_OPCODE_EX2,
 515                                                 flr_log_abs_x);
 516
 517    /* abs( src0.x ) / 2^( floor( lg2( abs( src0.x ) ) ) ) */
 518    emit_data->output[TGSI_CHAN_Y] = lp_build_emit_llvm_binary(bld_base,
 519                                     TGSI_OPCODE_DIV, abs_x, ex2_flr_log_abs_x);
 520
 521    /* dst.x */
 522    emit_data->output[TGSI_CHAN_Z] = log_abs_x;
 523
 524    /* dst.w */
 525    emit_data->output[TGSI_CHAN_W] = bld_base->base.one;
 526 }
 527
 528 static struct lp_build_tgsi_action log_action = {
 529    scalar_unary_fetch_args,      /* fetch_args */
 530    log_emit      /* emit */
 531 };
 532
 533 /* TGSI_OPCODE_LRP */
 534
 535 static void
 536 lrp_emit(
 537    const struct lp_build_tgsi_action * action,
 538    struct lp_build_tgsi_context * bld_base,
 539    struct lp_build_emit_data * emit_data)
 540 {
 541    LLVMValueRef tmp;
 542    tmp = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_SUB,
 543                                    emit_data->args[1],
 544                                    emit_data->args[2]);
 545    emit_data->output[emit_data->chan] = lp_build_emit_llvm_ternary(bld_base,
 546                     TGSI_OPCODE_MAD, emit_data->args[0], tmp, emit_data->args[2]);
 547 }
 548
 549 /* TGSI_OPCODE_MAD */
 550
 551 static void
 552 mad_emit(
 553    const struct lp_build_tgsi_action * action,
 554    struct lp_build_tgsi_context * bld_base,
 555    struct lp_build_emit_data * emit_data)
 556 {
 557    LLVMValueRef tmp;
 558    tmp = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MUL,
 559                                    emit_data->args[0],
 560                                    emit_data->args[1]);
 561    emit_data->output[emit_data->chan] = lp_build_emit_llvm_binary(bld_base,
 562                                        TGSI_OPCODE_ADD, tmp, emit_data->args[2]);
 563 }
 564
 565 /* TGSI_OPCODE_MOV */
 566
 567 static void
 568 mov_emit(
 569    const struct lp_build_tgsi_action * action,
 570    struct lp_build_tgsi_context * bld_base,
 571    struct lp_build_emit_data * emit_data)
 572 {
 573    emit_data->output[emit_data->chan] = emit_data->args[0];
 574 }
 575
 576 /* TGSI_OPCODE_MUL */
 577 static void
 578 mul_emit(
 579    const struct lp_build_tgsi_action * action,
 580    struct lp_build_tgsi_context * bld_base,
 581    struct lp_build_emit_data * emit_data)
 582 {
 583    emit_data->output[emit_data->chan] = lp_build_mul(&bld_base->base,
 584                                    emit_data->args[0], emit_data->args[1]);
 585 }
 586
 587 /* TGSI_OPCODE_POW */
 588
 589 static void
 590 pow_emit(
 591    const struct lp_build_tgsi_action * action,
 592    struct lp_build_tgsi_context * bld_base,
 593    struct lp_build_emit_data * emit_data)
 594 {
 595    emit_data->output[emit_data->chan] = lp_build_pow(&bld_base->base,
 596                                    emit_data->args[0], emit_data->args[1]);
 597 }
 598
 599 static struct lp_build_tgsi_action pow_action = {
 600    scalar_binary_fetch_args,     /* fetch_args */
 601    pow_emit      /* emit */
 602 };
 603
 604 /* TGSI_OPCODE_RSQ */
 605
 606 static void
 607 rsq_emit(
 608    const struct lp_build_tgsi_action * action,
 609    struct lp_build_tgsi_context * bld_base,
 610    struct lp_build_emit_data * emit_data)
 611 {
 612    emit_data->args[0] = lp_build_emit_llvm_unary(bld_base, TGSI_OPCODE_ABS,
 613                                                emit_data->args[0]);
 614    if (bld_base->rsq_action.emit) {
 615       bld_base->rsq_action.emit(&bld_base->rsq_action, bld_base, emit_data);
 616    } else {
 617       emit_data->output[emit_data->chan] = bld_base->base.undef;
 618    }
 619 }
 620
 621 const struct lp_build_tgsi_action rsq_action = {
 622    scalar_unary_fetch_args,      /* fetch_args */
 623    rsq_emit      /* emit */
 624
 625 };
 626
 627 /* TGSI_OPCODE_SCS */
 628 static void
 629 scs_emit(
 630    const struct lp_build_tgsi_action * action,
 631    struct lp_build_tgsi_context * bld_base,
 632    struct lp_build_emit_data * emit_data)
 633 {
 634    /* dst.x */
 635    emit_data->output[TGSI_CHAN_X] = lp_build_emit_llvm_unary(bld_base,
 636                                            TGSI_OPCODE_COS, emit_data->args[0]);
 637    /* dst.y */
 638    emit_data->output[TGSI_CHAN_Y] = lp_build_emit_llvm_unary(bld_base,
 639                                            TGSI_OPCODE_SIN, emit_data->args[0]);
 640    /* dst.z */
 641    emit_data->output[TGSI_CHAN_Z] = bld_base->base.zero;
 642
 643    /* dst.w */
 644    emit_data->output[TGSI_CHAN_W] = bld_base->base.one;
 645 }
 646
 647 const struct lp_build_tgsi_action scs_action = {
 648    scalar_unary_fetch_args,      /* fetch_args */
 649    scs_emit      /* emit */
 650 };
 651
 652 /* TGSI_OPCODE_SFL */
 653
 654 static void
 655 sfl_emit(
 656    const struct lp_build_tgsi_action * action,
 657    struct lp_build_tgsi_context * bld_base,
 658    struct lp_build_emit_data * emit_data)
 659 {
 660    emit_data->output[emit_data->chan] = bld_base->base.zero;
 661 }
 662
 663 /* TGSI_OPCODE_STR */
 664
 665 static void
 666 str_emit(
 667    const struct lp_build_tgsi_action * action,
 668    struct lp_build_tgsi_context * bld_base,
 669    struct lp_build_emit_data * emit_data)
 670 {
 671    emit_data->output[emit_data->chan] = bld_base->base.one;
 672 }
 673
 674 /* TGSI_OPCODE_SUB */
 675 static void
 676 sub_emit(
 677    const struct lp_build_tgsi_action * action,
 678    struct lp_build_tgsi_context * bld_base,
 679    struct lp_build_emit_data * emit_data)
 680 {
 681         emit_data->output[emit_data->chan] = LLVMBuildFSub(
 682                                 bld_base->base.gallivm->builder,
 683                                 emit_data->args[0],
 684                                 emit_data->args[1], "");
 685 }
 686
 687 /* TGSI_OPCODE_U2F */
 688 static void
 689 u2f_emit(
 690    const struct lp_build_tgsi_action * action,
 691    struct lp_build_tgsi_context * bld_base,
 692    struct lp_build_emit_data * emit_data)
 693 {
 694    emit_data->output[emit_data->chan] = LLVMBuildUIToFP(bld_base->base.gallivm->builder,
 695                                                         emit_data->args[0],
 696                                                         bld_base->base.vec_type, "");
 697 }
 698
 699 static void
 700 umad_emit(
 701    const struct lp_build_tgsi_action * action,
 702    struct lp_build_tgsi_context * bld_base,
 703    struct lp_build_emit_data * emit_data)
 704 {
 705    LLVMValueRef tmp;
 706    tmp = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_UMUL,
 707                                    emit_data->args[0],
 708                                    emit_data->args[1]);
 709    emit_data->output[emit_data->chan] = lp_build_emit_llvm_binary(bld_base,
 710                                        TGSI_OPCODE_UADD, tmp, emit_data->args[2]);
 711 }
 712
 713 /* TGSI_OPCODE_UMUL */
 714 static void
 715 umul_emit(
 716    const struct lp_build_tgsi_action * action,
 717    struct lp_build_tgsi_context * bld_base,
 718    struct lp_build_emit_data * emit_data)
 719 {
 720    emit_data->output[emit_data->chan] = lp_build_mul(&bld_base->uint_bld,
 721                                    emit_data->args[0], emit_data->args[1]);
 722 }
 723
 724 /* TGSI_OPCODE_XPD */
 725
 726 static void
 727 xpd_fetch_args(
 728    struct lp_build_tgsi_context * bld_base,
 729    struct lp_build_emit_data * emit_data)
 730 {
 731    dp_fetch_args(bld_base, emit_data, 3);
 732 }
 733
 734 /**
 735  * (a * b) - (c * d)
 736  */
 737 static LLVMValueRef
 738 xpd_helper(
 739   struct lp_build_tgsi_context * bld_base,
 740   LLVMValueRef a,
 741   LLVMValueRef b,
 742   LLVMValueRef c,
 743   LLVMValueRef d)
 744 {
 745    LLVMValueRef tmp0, tmp1;
 746
 747    tmp0 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MUL, a, b);
 748    tmp1 = lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_MUL, c, d);
 749
 750    return lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_SUB, tmp0, tmp1);
 751 }
 752
 753 static void
 754 xpd_emit(
 755    const struct lp_build_tgsi_action * action,
 756    struct lp_build_tgsi_context * bld_base,
 757    struct lp_build_emit_data * emit_data)
 758 {
 759    emit_data->output[TGSI_CHAN_X] = xpd_helper(bld_base,
 760               emit_data->args[1] /* src0.y */, emit_data->args[5] /* src1.z */,
 761               emit_data->args[4] /* src1.y */, emit_data->args[2] /* src0.z */);
 762
 763    emit_data->output[TGSI_CHAN_Y] = xpd_helper(bld_base,
 764               emit_data->args[2] /* src0.z */, emit_data->args[3] /* src1.x */,
 765               emit_data->args[5] /* src1.z */, emit_data->args[0] /* src0.x */);
 766
 767    emit_data->output[TGSI_CHAN_Z] = xpd_helper(bld_base,
 768               emit_data->args[0] /* src0.x */, emit_data->args[4] /* src1.y */,
 769               emit_data->args[3] /* src1.x */, emit_data->args[1] /* src0.y */);
 770
 771    emit_data->output[TGSI_CHAN_W] = bld_base->base.one;
 772 }
 773
 774 const struct lp_build_tgsi_action xpd_action = {
 775    xpd_fetch_args,       /* fetch_args */
 776    xpd_emit      /* emit */
 777 };
 778
 779 void
 780 lp_set_default_actions(struct lp_build_tgsi_context * bld_base)
 781 {
 782    bld_base->op_actions[TGSI_OPCODE_DP2] = dp2_action;
 783    bld_base->op_actions[TGSI_OPCODE_DP3] = dp3_action;
 784    bld_base->op_actions[TGSI_OPCODE_DP4] = dp4_action;
 785    bld_base->op_actions[TGSI_OPCODE_DP2A] = dp2a_action;
 786    bld_base->op_actions[TGSI_OPCODE_DPH] = dph_action;
 787    bld_base->op_actions[TGSI_OPCODE_DST] = dst_action;
 788    bld_base->op_actions[TGSI_OPCODE_EXP] = exp_action;
 789    bld_base->op_actions[TGSI_OPCODE_LIT] = lit_action;
 790    bld_base->op_actions[TGSI_OPCODE_LOG] = log_action;
 791    bld_base->op_actions[TGSI_OPCODE_RSQ] = rsq_action;
 792    bld_base->op_actions[TGSI_OPCODE_POW] = pow_action;
 793    bld_base->op_actions[TGSI_OPCODE_SCS] = scs_action;
 794    bld_base->op_actions[TGSI_OPCODE_XPD] = xpd_action;
 795
 796    bld_base->op_actions[TGSI_OPCODE_COS].fetch_args = scalar_unary_fetch_args;
 797    bld_base->op_actions[TGSI_OPCODE_EX2].fetch_args = scalar_unary_fetch_args;
 798    bld_base->op_actions[TGSI_OPCODE_IF].fetch_args = scalar_unary_fetch_args;
 799    bld_base->op_actions[TGSI_OPCODE_KIL].fetch_args = kil_fetch_args;
 800    bld_base->op_actions[TGSI_OPCODE_KILP].fetch_args = kilp_fetch_args;
 801    bld_base->op_actions[TGSI_OPCODE_RCP].fetch_args = scalar_unary_fetch_args;
 802    bld_base->op_actions[TGSI_OPCODE_SIN].fetch_args = scalar_unary_fetch_args;
 803    bld_base->op_actions[TGSI_OPCODE_LG2].fetch_args = scalar_unary_fetch_args;
 804
 805    bld_base->op_actions[TGSI_OPCODE_ADD].emit = add_emit;
 806    bld_base->op_actions[TGSI_OPCODE_ARR].emit = arr_emit;
 807    bld_base->op_actions[TGSI_OPCODE_CLAMP].emit = clamp_emit;
 808    bld_base->op_actions[TGSI_OPCODE_END].emit = end_emit;
 809    bld_base->op_actions[TGSI_OPCODE_FRC].emit = frc_emit;
 810    bld_base->op_actions[TGSI_OPCODE_LRP].emit = lrp_emit;
 811    bld_base->op_actions[TGSI_OPCODE_MAD].emit = mad_emit;
 812    bld_base->op_actions[TGSI_OPCODE_MOV].emit = mov_emit;
 813    bld_base->op_actions[TGSI_OPCODE_MUL].emit = mul_emit;
 814    bld_base->op_actions[TGSI_OPCODE_SFL].emit = sfl_emit;
 815    bld_base->op_actions[TGSI_OPCODE_STR].emit = str_emit;
 816    bld_base->op_actions[TGSI_OPCODE_SUB].emit = sub_emit;
 817
 818    bld_base->op_actions[TGSI_OPCODE_UARL].emit = mov_emit;
 819    bld_base->op_actions[TGSI_OPCODE_U2F].emit = u2f_emit;
 820    bld_base->op_actions[TGSI_OPCODE_UMAD].emit = umad_emit;
 821    bld_base->op_actions[TGSI_OPCODE_UMUL].emit = umul_emit;
 822 }
 823
 824 /* CPU Only default actions */
 825
 826 /* These actions are CPU only, because they could potentially output SSE
 827  * intrinsics.
 828  */
 829
 830 /* TGSI_OPCODE_ABS (CPU Only)*/
 831
 832 static void
 833 abs_emit_cpu(
 834    const struct lp_build_tgsi_action * action,
 835    struct lp_build_tgsi_context * bld_base,
 836    struct lp_build_emit_data * emit_data)
 837 {
 838    emit_data->output[emit_data->chan] = lp_build_abs(&bld_base->base,
 839                                                        emit_data->args[0]);
 840 }
 841
 842 /* TGSI_OPCODE_ADD (CPU Only) */
 843 static void
 844 add_emit_cpu(
 845    const struct lp_build_tgsi_action * action,
 846    struct lp_build_tgsi_context * bld_base,
 847    struct lp_build_emit_data * emit_data)
 848 {
 849    emit_data->output[emit_data->chan] = lp_build_add(&bld_base->base,
 850                                    emit_data->args[0], emit_data->args[1]);
 851 }
 852
 853 /* TGSI_OPCODE_AND (CPU Only) */
 854 static void
 855 and_emit_cpu(
 856    const struct lp_build_tgsi_action * action,
 857    struct lp_build_tgsi_context * bld_base,
 858    struct lp_build_emit_data * emit_data)
 859 {
 860    emit_data->output[emit_data->chan] = lp_build_and(&bld_base->uint_bld,
 861                                    emit_data->args[0], emit_data->args[1]);
 862 }
 863
 864 /* TGSI_OPCODE_ARL (CPU Only) */
 865 static void
 866 arl_emit_cpu(
 867    const struct lp_build_tgsi_action * action,
 868    struct lp_build_tgsi_context * bld_base,
 869    struct lp_build_emit_data * emit_data)
 870 {
 871    LLVMValueRef tmp;
 872    tmp = lp_build_floor(&bld_base->base,
 873                         emit_data->args[0]);
 874    emit_data->output[emit_data->chan] = LLVMBuildFPToSI(bld_base->base.gallivm->builder, tmp,
 875                                                         bld_base->uint_bld.vec_type, "");
 876 }
 877
 878 /* TGSI_OPCODE_ARR (CPU Only) */
 879 static void
 880 arr_emit_cpu(
 881    const struct lp_build_tgsi_action * action,
 882    struct lp_build_tgsi_context * bld_base,
 883    struct lp_build_emit_data * emit_data)
 884 {
 885    emit_data->output[emit_data->chan] = lp_build_iround(&bld_base->base, emit_data->args[0]);
 886 }
 887
 888 /* TGSI_OPCODE_CEIL (CPU Only) */
 889 static void
 890 ceil_emit_cpu(
 891    const struct lp_build_tgsi_action * action,
 892    struct lp_build_tgsi_context * bld_base,
 893    struct lp_build_emit_data * emit_data)
 894 {
 895    emit_data->output[emit_data->chan] = lp_build_ceil(&bld_base->base,
 896                                                       emit_data->args[0]);
 897 }
 898
 899 /* TGSI_OPCODE_CMP (CPU Only) */
 900 static void
 901 cmp_emit_cpu(
 902    const struct lp_build_tgsi_action * action,
 903    struct lp_build_tgsi_context * bld_base,
 904    struct lp_build_emit_data * emit_data)
 905 {
 906    LLVMValueRef cond = lp_build_cmp(&bld_base->base, PIPE_FUNC_LESS,
 907                                    emit_data->args[0], bld_base->base.zero);
 908    emit_data->output[emit_data->chan] = lp_build_select(&bld_base->base,
 909                                 cond, emit_data->args[1], emit_data->args[2]);
 910 }
 911
 912 /* TGSI_OPCODE_CND (CPU Only) */
 913 static void
 914 cnd_emit_cpu(
 915    const struct lp_build_tgsi_action * action,
 916    struct lp_build_tgsi_context * bld_base,
 917    struct lp_build_emit_data * emit_data)
 918 {
 919    LLVMValueRef half, tmp;
 920    half = lp_build_const_vec(bld_base->base.gallivm, bld_base->base.type, 0.5);
 921    tmp = lp_build_cmp(&bld_base->base, PIPE_FUNC_GREATER,
 922                       emit_data->args[2], half);
 923    emit_data->output[emit_data->chan] = lp_build_select(&bld_base->base,
 924                                           tmp,
 925                                           emit_data->args[0],
 926                                           emit_data->args[1]);
 927 }
 928
 929 /* TGSI_OPCODE_COS (CPU Only) */
 930 static void
 931 cos_emit_cpu(
 932    const struct lp_build_tgsi_action * action,
 933    struct lp_build_tgsi_context * bld_base,
 934    struct lp_build_emit_data * emit_data)
 935 {
 936    emit_data->output[emit_data->chan] = lp_build_cos(&bld_base->base,
 937                                                        emit_data->args[0]);
 938 }
 939
 940 /* TGSI_OPCODE_DIV (CPU Only) */
 941 static void
 942 div_emit_cpu(
 943    const struct lp_build_tgsi_action * action,
 944    struct lp_build_tgsi_context * bld_base,
 945    struct lp_build_emit_data * emit_data)
 946 {
 947    emit_data->output[emit_data->chan] = lp_build_div(&bld_base->base,
 948                                    emit_data->args[0], emit_data->args[1]);
 949 }
 950
 951 /* TGSI_OPCODE_EX2 (CPU Only) */
 952 static void
 953 ex2_emit_cpu(
 954    const struct lp_build_tgsi_action * action,
 955    struct lp_build_tgsi_context * bld_base,
 956    struct lp_build_emit_data * emit_data)
 957 {
 958    emit_data->output[emit_data->chan] = lp_build_exp2(&bld_base->base,
 959                                                         emit_data->args[0]);
 960 }
 961
 962 /* TGSI_OPCODE_EXP (CPU Only) */
 963 static void
 964 exp_emit_cpu(
 965    const struct lp_build_tgsi_action * action,
 966    struct lp_build_tgsi_context * bld_base,
 967    struct lp_build_emit_data * emit_data)
 968 {
 969    lp_build_exp2_approx(&bld_base->base, emit_data->args[0],
 970                         &emit_data->output[TGSI_CHAN_X],
 971                         &emit_data->output[TGSI_CHAN_Y],
 972                         &emit_data->output[TGSI_CHAN_Z]);
 973    emit_data->output[TGSI_CHAN_W] = bld_base->base.one;
 974 }
 975
 976 /* TGSI_OPCODE_F2I (CPU Only) */
 977 static void
 978 f2i_emit_cpu(
 979    const struct lp_build_tgsi_action * action,
 980    struct lp_build_tgsi_context * bld_base,
 981    struct lp_build_emit_data * emit_data)
 982 {
 983    emit_data->output[emit_data->chan] = lp_build_itrunc(&bld_base->base,
 984                                                         emit_data->args[0]);
 985 }
 986
 987 /* TGSI_OPCODE_F2U (CPU Only) */
 988 static void
 989 f2u_emit_cpu(
 990    const struct lp_build_tgsi_action * action,
 991    struct lp_build_tgsi_context * bld_base,
 992    struct lp_build_emit_data * emit_data)
 993 {
 994    /* FIXME: implement and use lp_build_utrunc() */
 995    emit_data->output[emit_data->chan] = lp_build_itrunc(&bld_base->base,
 996                                                         emit_data->args[0]);
 997 }
 998
 999 /* TGSI_OPCODE_FLR (CPU Only) */
1000
1001 static void
1002 flr_emit_cpu(
1003    const struct lp_build_tgsi_action * action,
1004    struct lp_build_tgsi_context * bld_base,
1005    struct lp_build_emit_data * emit_data)
1006 {
1007    emit_data->output[emit_data->chan] = lp_build_floor(&bld_base->base,
1008                                                          emit_data->args[0]);
1009 }
1010
1011 /* TGSI_OPCODE_I2F (CPU Only) */
1012 static void
1013 i2f_emit_cpu(
1014    const struct lp_build_tgsi_action * action,
1015    struct lp_build_tgsi_context * bld_base,
1016    struct lp_build_emit_data * emit_data)
1017 {
1018    emit_data->output[emit_data->chan] = lp_build_int_to_float(&bld_base->base,
1019                                                               emit_data->args[0]);
1020 }
1021
1022 /* TGSI_OPCODE_IABS (CPU Only) */
1023 static void
1024 iabs_emit_cpu(
1025    const struct lp_build_tgsi_action * action,
1026    struct lp_build_tgsi_context * bld_base,
1027    struct lp_build_emit_data * emit_data)
1028 {
1029    emit_data->output[emit_data->chan] = lp_build_abs(&bld_base->int_bld,
1030                                                        emit_data->args[0]);
1031 }
1032
1033 /* TGSI_OPCODE_IDIV (CPU Only) */
1034 static void
1035 idiv_emit_cpu(
1036    const struct lp_build_tgsi_action * action,
1037    struct lp_build_tgsi_context * bld_base,
1038    struct lp_build_emit_data * emit_data)
1039 {
1040    emit_data->output[emit_data->chan] = lp_build_div(&bld_base->int_bld,
1041                                    emit_data->args[0], emit_data->args[1]);
1042 }
1043
1044 /* TGSI_OPCODE_INEG (CPU Only) */
1045 static void
1046 ineg_emit_cpu(
1047    const struct lp_build_tgsi_action * action,
1048    struct lp_build_tgsi_context * bld_base,
1049    struct lp_build_emit_data * emit_data)
1050 {
1051    emit_data->output[emit_data->chan] = lp_build_sub(&bld_base->int_bld,
1052                                                      bld_base->int_bld.zero,
1053                                                      emit_data->args[0]);
1054 }
1055
1056 /* TGSI_OPCODE_ISET Helper (CPU Only) */
1057 static void
1058 iset_emit_cpu(
1059    const struct lp_build_tgsi_action * action,
1060    struct lp_build_tgsi_context * bld_base,
1061    struct lp_build_emit_data * emit_data,
1062    unsigned pipe_func)
1063 {
1064    LLVMValueRef nz = lp_build_const_vec(bld_base->base.gallivm,
1065                                         bld_base->int_bld.type, ~0U);
1066    LLVMValueRef cond = lp_build_cmp(&bld_base->int_bld, pipe_func,
1067                                     emit_data->args[0], emit_data->args[1]);
1068    emit_data->output[emit_data->chan] = lp_build_select(&bld_base->int_bld,
1069                                           cond,
1070                                           nz,
1071                                           bld_base->int_bld.zero);
1072 }
1073
1074 /* TGSI_OPCODE_IMAX (CPU Only) */
1075 static void
1076 imax_emit_cpu(
1077    const struct lp_build_tgsi_action * action,
1078    struct lp_build_tgsi_context * bld_base,
1079    struct lp_build_emit_data * emit_data)
1080 {
1081    emit_data->output[emit_data->chan] = lp_build_max(&bld_base->int_bld,
1082                                    emit_data->args[0], emit_data->args[1]);
1083 }
1084
1085 /* TGSI_OPCODE_IMIN (CPU Only) */
1086 static void
1087 imin_emit_cpu(
1088    const struct lp_build_tgsi_action * action,
1089    struct lp_build_tgsi_context * bld_base,
1090    struct lp_build_emit_data * emit_data)
1091 {
1092    emit_data->output[emit_data->chan] = lp_build_min(&bld_base->int_bld,
1093                                    emit_data->args[0], emit_data->args[1]);
1094 }
1095
1096 /* TGSI_OPCODE_ISGE (CPU Only) */
1097 static void
1098 isge_emit_cpu(
1099    const struct lp_build_tgsi_action * action,
1100    struct lp_build_tgsi_context * bld_base,
1101    struct lp_build_emit_data * emit_data)
1102 {
1103    iset_emit_cpu(action, bld_base, emit_data, PIPE_FUNC_GEQUAL);
1104 }
1105
1106 /* TGSI_OPCODE_ISHR (CPU Only) */
1107 static void
1108 ishr_emit_cpu(
1109    const struct lp_build_tgsi_action * action,
1110    struct lp_build_tgsi_context * bld_base,
1111    struct lp_build_emit_data * emit_data)
1112 {
1113    emit_data->output[emit_data->chan] = lp_build_shr(&bld_base->int_bld,
1114                                    emit_data->args[0], emit_data->args[1]);
1115 }
1116
1117 /* TGSI_OPCODE_ISLT (CPU Only) */
1118 static void
1119 islt_emit_cpu(
1120    const struct lp_build_tgsi_action * action,
1121    struct lp_build_tgsi_context * bld_base,
1122    struct lp_build_emit_data * emit_data)
1123 {
1124    iset_emit_cpu(action, bld_base, emit_data, PIPE_FUNC_LESS);
1125 }
1126
1127
1128 /* TGSI_OPCODE_ISSG (CPU Only) */
1129 static void
1130 issg_emit_cpu(
1131    const struct lp_build_tgsi_action * action,
1132    struct lp_build_tgsi_context * bld_base,
1133    struct lp_build_emit_data * emit_data)
1134 {
1135    emit_data->output[emit_data->chan] = lp_build_sgn(&bld_base->int_bld,
1136                                                        emit_data->args[0]);
1137 }
1138
1139 /* TGSI_OPCODE_LG2 (CPU Only) */
1140 static void
1141 lg2_emit_cpu(
1142    const struct lp_build_tgsi_action * action,
1143    struct lp_build_tgsi_context * bld_base,
1144    struct lp_build_emit_data * emit_data)
1145 {
1146    emit_data->output[emit_data->chan] = lp_build_log2(&bld_base->base,
1147                                                         emit_data->args[0]);
1148 }
1149
1150 /* TGSI_OPCODE_LOG (CPU Only) */
1151 static void
1152 log_emit_cpu(
1153    const struct lp_build_tgsi_action * action,
1154    struct lp_build_tgsi_context * bld_base,
1155    struct lp_build_emit_data * emit_data)
1156 {
1157    LLVMValueRef p_floor_log2;
1158    LLVMValueRef p_exp;
1159    LLVMValueRef p_log2;
1160    LLVMValueRef src0 = emit_data->args[0];
1161
1162    lp_build_log2_approx(&bld_base->base, src0,
1163                         &p_exp, &p_floor_log2, &p_log2);
1164
1165    emit_data->output[TGSI_CHAN_X] = p_floor_log2;
1166
1167    emit_data->output[TGSI_CHAN_Y] = lp_build_emit_llvm_binary(bld_base,
1168                                              TGSI_OPCODE_DIV,
1169                                              src0, p_exp);
1170    emit_data->output[TGSI_CHAN_Z] = p_log2;
1171
1172    emit_data->output[TGSI_CHAN_W] = bld_base->base.one;
1173
1174 }
1175
1176 /* TGSI_OPCODE_MAX (CPU Only) */
1177
1178 static void
1179 max_emit_cpu(
1180    const struct lp_build_tgsi_action * action,
1181    struct lp_build_tgsi_context * bld_base,
1182    struct lp_build_emit_data * emit_data)
1183 {
1184    emit_data->output[emit_data->chan] = lp_build_max(&bld_base->base,
1185                                    emit_data->args[0], emit_data->args[1]);
1186 }
1187
1188 /* TGSI_OPCODE_MIN (CPU Only) */
1189 static void
1190 min_emit_cpu(
1191    const struct lp_build_tgsi_action * action,
1192    struct lp_build_tgsi_context * bld_base,
1193    struct lp_build_emit_data * emit_data)
1194 {
1195    emit_data->output[emit_data->chan] = lp_build_min(&bld_base->base,
1196                                    emit_data->args[0], emit_data->args[1]);
1197 }
1198
1199 /* TGSI_OPCODE_MOD (CPU Only) */
1200 static void
1201 mod_emit_cpu(
1202    const struct lp_build_tgsi_action * action,
1203    struct lp_build_tgsi_context * bld_base,
1204    struct lp_build_emit_data * emit_data)
1205 {
1206    emit_data->output[emit_data->chan] = lp_build_mod(&bld_base->int_bld,
1207                                    emit_data->args[0], emit_data->args[1]);
1208 }
1209
1210 /* TGSI_OPCODE_NOT */
1211 static void
1212 not_emit_cpu(
1213    const struct lp_build_tgsi_action * action,
1214    struct lp_build_tgsi_context * bld_base,
1215    struct lp_build_emit_data * emit_data)
1216 {
1217    emit_data->output[emit_data->chan] = lp_build_not(&bld_base->base,
1218                                                      emit_data->args[0]);
1219 }
1220
1221 /* TGSI_OPCODE_OR (CPU Only) */
1222 static void
1223 or_emit_cpu(
1224    const struct lp_build_tgsi_action * action,
1225    struct lp_build_tgsi_context * bld_base,
1226    struct lp_build_emit_data * emit_data)
1227 {
1228    emit_data->output[emit_data->chan] = lp_build_or(&bld_base->uint_bld,
1229                                    emit_data->args[0], emit_data->args[1]);
1230 }
1231
1232 /* TGSI_OPCODE_POW (CPU Only) */
1233 static void
1234 pow_emit_cpu(
1235    const struct lp_build_tgsi_action * action,
1236    struct lp_build_tgsi_context * bld_base,
1237    struct lp_build_emit_data * emit_data)
1238 {
1239    emit_data->output[emit_data->chan] = lp_build_pow(&bld_base->base,
1240                                    emit_data->args[0], emit_data->args[1]);
1241 }
1242
1243
1244 /* TGSI_OPCODE_RCP (CPU Only) */
1245
1246 static void
1247 rcp_emit_cpu(
1248    const struct lp_build_tgsi_action * action,
1249    struct lp_build_tgsi_context * bld_base,
1250    struct lp_build_emit_data * emit_data)
1251 {
1252    emit_data->output[emit_data->chan] = lp_build_rcp(&bld_base->base,
1253                                                        emit_data->args[0]);
1254 }
1255
1256 /* Reciprical squareroot (CPU Only) */
1257
1258 /* This is not the same as TGSI_OPCODE_RSQ, which requres the argument to be
1259  * greater than or equal to 0 */
1260 static void
1261 recip_sqrt_emit_cpu(
1262    const struct lp_build_tgsi_action * action,
1263    struct lp_build_tgsi_context * bld_base,
1264    struct lp_build_emit_data * emit_data)
1265 {
1266    emit_data->output[emit_data->chan] = lp_build_rsqrt(&bld_base->base,
1267                                                          emit_data->args[0]);
1268 }
1269
1270 /* TGSI_OPCODE_ROUND (CPU Only) */
1271 static void
1272 round_emit_cpu(
1273    const struct lp_build_tgsi_action * action,
1274    struct lp_build_tgsi_context * bld_base,
1275    struct lp_build_emit_data * emit_data)
1276 {
1277    emit_data->output[emit_data->chan] = lp_build_round(&bld_base->base,
1278                                                          emit_data->args[0]);
1279 }
1280
1281 /* TGSI_OPCODE_SET Helper (CPU Only) */
1282
1283 static void
1284 set_emit_cpu(
1285    const struct lp_build_tgsi_action * action,
1286    struct lp_build_tgsi_context * bld_base,
1287    struct lp_build_emit_data * emit_data,
1288    unsigned pipe_func)
1289 {
1290    LLVMValueRef cond = lp_build_cmp(&bld_base->base, pipe_func,
1291                                     emit_data->args[0], emit_data->args[1]);
1292    emit_data->output[emit_data->chan] = lp_build_select(&bld_base->base,
1293                                           cond,
1294                                           bld_base->base.one,
1295                                           bld_base->base.zero);
1296 }
1297
1298 /* TGSI_OPCODE_SEQ (CPU Only) */
1299
1300 static void
1301 seq_emit_cpu(
1302    const struct lp_build_tgsi_action * action,
1303    struct lp_build_tgsi_context * bld_base,
1304    struct lp_build_emit_data * emit_data)
1305 {
1306    set_emit_cpu(action, bld_base, emit_data, PIPE_FUNC_EQUAL);
1307 }
1308
1309 /* TGSI_OPCODE_SGE (CPU Only) */
1310 static void
1311 sge_emit_cpu(
1312    const struct lp_build_tgsi_action * action,
1313    struct lp_build_tgsi_context * bld_base,
1314    struct lp_build_emit_data * emit_data)
1315 {
1316    set_emit_cpu(action, bld_base, emit_data, PIPE_FUNC_GEQUAL);
1317 }
1318
1319 /* TGSI_OPCODE_SGT (CPU Only)*/
1320
1321 static void
1322 sgt_emit_cpu(
1323    const struct lp_build_tgsi_action * action,
1324    struct lp_build_tgsi_context * bld_base,
1325    struct lp_build_emit_data * emit_data)
1326 {
1327    set_emit_cpu(action, bld_base, emit_data, PIPE_FUNC_GREATER);
1328 }
1329
1330 /* TGSI_OPCODE_SHL (CPU Only) */
1331 static void
1332 shl_emit_cpu(
1333    const struct lp_build_tgsi_action * action,
1334    struct lp_build_tgsi_context * bld_base,
1335    struct lp_build_emit_data * emit_data)
1336 {
1337    emit_data->output[emit_data->chan] = lp_build_shl(&bld_base->uint_bld,
1338                                    emit_data->args[0], emit_data->args[1]);
1339 }
1340
1341 /* TGSI_OPCODE_SIN (CPU Only) */
1342 static void
1343 sin_emit_cpu(
1344    const struct lp_build_tgsi_action * action,
1345    struct lp_build_tgsi_context * bld_base,
1346    struct lp_build_emit_data * emit_data)
1347 {
1348    emit_data->output[emit_data->chan] = lp_build_sin(&bld_base->base,
1349                                                        emit_data->args[0]);
1350 }
1351
1352 /* TGSI_OPCODE_SLE (CPU Only) */
1353 static void
1354 sle_emit_cpu(
1355    const struct lp_build_tgsi_action * action,
1356    struct lp_build_tgsi_context * bld_base,
1357    struct lp_build_emit_data * emit_data)
1358 {
1359    set_emit_cpu(action, bld_base, emit_data, PIPE_FUNC_LEQUAL);
1360 }
1361
1362 /* TGSI_OPCODE_SLT (CPU Only) */
1363 static void
1364 slt_emit_cpu(
1365    const struct lp_build_tgsi_action * action,
1366    struct lp_build_tgsi_context * bld_base,
1367    struct lp_build_emit_data * emit_data)
1368 {
1369    set_emit_cpu(action, bld_base, emit_data, PIPE_FUNC_LESS);
1370 }
1371
1372 /* TGSI_OPCODE_SNE (CPU Only) */
1373
1374 static void
1375 sne_emit_cpu(
1376    const struct lp_build_tgsi_action * action,
1377    struct lp_build_tgsi_context * bld_base,
1378    struct lp_build_emit_data * emit_data)
1379 {
1380    set_emit_cpu(action, bld_base, emit_data, PIPE_FUNC_NOTEQUAL);
1381 }
1382
1383 /* TGSI_OPCODE_SSG (CPU Only) */
1384
1385 static void
1386 ssg_emit_cpu(
1387    const struct lp_build_tgsi_action * action,
1388    struct lp_build_tgsi_context * bld_base,
1389    struct lp_build_emit_data * emit_data)
1390 {
1391    emit_data->output[emit_data->chan] = lp_build_sgn(&bld_base->base,
1392                                                        emit_data->args[0]);
1393 }
1394
1395 /* TGSI_OPCODE_SUB (CPU Only) */
1396
1397 static void
1398 sub_emit_cpu(
1399    const struct lp_build_tgsi_action * action,
1400    struct lp_build_tgsi_context * bld_base,
1401    struct lp_build_emit_data * emit_data)
1402 {
1403    emit_data->output[emit_data->chan] = lp_build_sub(&bld_base->base,
1404                                                         emit_data->args[0],
1405                                                         emit_data->args[1]);
1406 }
1407
1408 /* TGSI_OPCODE_TRUNC (CPU Only) */
1409
1410 static void
1411 trunc_emit_cpu(
1412    const struct lp_build_tgsi_action * action,
1413    struct lp_build_tgsi_context * bld_base,
1414    struct lp_build_emit_data * emit_data)
1415 {
1416    emit_data->output[emit_data->chan] = lp_build_trunc(&bld_base->base,
1417                                                          emit_data->args[0]);
1418 }
1419
1420 /* TGSI_OPCODE_UADD (CPU Only) */
1421 static void
1422 uadd_emit_cpu(
1423    const struct lp_build_tgsi_action * action,
1424    struct lp_build_tgsi_context * bld_base,
1425    struct lp_build_emit_data * emit_data)
1426 {
1427    emit_data->output[emit_data->chan] = lp_build_add(&bld_base->uint_bld,
1428                                    emit_data->args[0], emit_data->args[1]);
1429 }
1430
1431 /* TGSI_OPCODE_UDIV (CPU Only) */
1432 static void
1433 udiv_emit_cpu(
1434    const struct lp_build_tgsi_action * action,
1435    struct lp_build_tgsi_context * bld_base,
1436    struct lp_build_emit_data * emit_data)
1437 {
1438    emit_data->output[emit_data->chan] = lp_build_div(&bld_base->uint_bld,
1439                                    emit_data->args[0], emit_data->args[1]);
1440 }
1441
1442 /* TGSI_OPCODE_UMAX (CPU Only) */
1443 static void
1444 umax_emit_cpu(
1445    const struct lp_build_tgsi_action * action,
1446    struct lp_build_tgsi_context * bld_base,
1447    struct lp_build_emit_data * emit_data)
1448 {
1449    emit_data->output[emit_data->chan] = lp_build_max(&bld_base->uint_bld,
1450                                    emit_data->args[0], emit_data->args[1]);
1451 }
1452
1453 /* TGSI_OPCODE_UMIN (CPU Only) */
1454 static void
1455 umin_emit_cpu(
1456    const struct lp_build_tgsi_action * action,
1457    struct lp_build_tgsi_context * bld_base,
1458    struct lp_build_emit_data * emit_data)
1459 {
1460    emit_data->output[emit_data->chan] = lp_build_min(&bld_base->uint_bld,
1461                                    emit_data->args[0], emit_data->args[1]);
1462 }
1463
1464 /* TGSI_OPCODE_UMOD (CPU Only) */
1465 static void
1466 umod_emit_cpu(
1467    const struct lp_build_tgsi_action * action,
1468    struct lp_build_tgsi_context * bld_base,
1469    struct lp_build_emit_data * emit_data)
1470 {
1471    emit_data->output[emit_data->chan] = lp_build_mod(&bld_base->uint_bld,
1472                                    emit_data->args[0], emit_data->args[1]);
1473 }
1474
1475 /* TGSI_OPCODE_USET Helper (CPU Only) */
1476 static void
1477 uset_emit_cpu(
1478    const struct lp_build_tgsi_action * action,
1479    struct lp_build_tgsi_context * bld_base,
1480    struct lp_build_emit_data * emit_data,
1481    unsigned pipe_func)
1482 {
1483    LLVMValueRef nz = lp_build_const_vec(bld_base->base.gallivm,
1484                                         bld_base->uint_bld.type, ~0U);
1485    LLVMValueRef cond = lp_build_cmp(&bld_base->uint_bld, pipe_func,
1486                                     emit_data->args[0], emit_data->args[1]);
1487    emit_data->output[emit_data->chan] = lp_build_select(&bld_base->uint_bld,
1488                                           cond,
1489                                           nz,
1490                                           bld_base->uint_bld.zero);
1491 }
1492
1493
1494 /* TGSI_OPCODE_USEQ (CPU Only) */
1495 static void
1496 useq_emit_cpu(
1497    const struct lp_build_tgsi_action * action,
1498    struct lp_build_tgsi_context * bld_base,
1499    struct lp_build_emit_data * emit_data)
1500 {
1501    uset_emit_cpu(action, bld_base, emit_data, PIPE_FUNC_EQUAL);
1502 }
1503
1504 /* TGSI_OPCODE_ISGE (CPU Only) */
1505 static void
1506 usge_emit_cpu(
1507    const struct lp_build_tgsi_action * action,
1508    struct lp_build_tgsi_context * bld_base,
1509    struct lp_build_emit_data * emit_data)
1510 {
1511    uset_emit_cpu(action, bld_base, emit_data, PIPE_FUNC_GEQUAL);
1512 }
1513
1514 /* TGSI_OPCODE_USHR (CPU Only) */
1515 static void
1516 ushr_emit_cpu(
1517    const struct lp_build_tgsi_action * action,
1518    struct lp_build_tgsi_context * bld_base,
1519    struct lp_build_emit_data * emit_data)
1520 {
1521    emit_data->output[emit_data->chan] = lp_build_shr(&bld_base->uint_bld,
1522                                    emit_data->args[0], emit_data->args[1]);
1523 }
1524
1525 /* TGSI_OPCODE_ISLT (CPU Only) */
1526 static void
1527 uslt_emit_cpu(
1528    const struct lp_build_tgsi_action * action,
1529    struct lp_build_tgsi_context * bld_base,
1530    struct lp_build_emit_data * emit_data)
1531 {
1532    uset_emit_cpu(action, bld_base, emit_data, PIPE_FUNC_LESS);
1533 }
1534
1535 /* TGSI_OPCODE_USNE (CPU Only) */
1536
1537 static void
1538 usne_emit_cpu(
1539    const struct lp_build_tgsi_action * action,
1540    struct lp_build_tgsi_context * bld_base,
1541    struct lp_build_emit_data * emit_data)
1542 {
1543    uset_emit_cpu(action, bld_base, emit_data, PIPE_FUNC_NOTEQUAL);
1544 }
1545
1546 /* TGSI_OPCODE_XOR */
1547 static void
1548 xor_emit_cpu(
1549    const struct lp_build_tgsi_action * action,
1550    struct lp_build_tgsi_context * bld_base,
1551    struct lp_build_emit_data * emit_data)
1552 {
1553    emit_data->output[emit_data->chan] = lp_build_xor(&bld_base->uint_bld,
1554                                                      emit_data->args[0],
1555                                                      emit_data->args[1]);
1556 }
1557
1558 void
1559 lp_set_default_actions_cpu(
1560    struct lp_build_tgsi_context * bld_base)
1561 {
1562    lp_set_default_actions(bld_base);
1563    bld_base->op_actions[TGSI_OPCODE_ABS].emit = abs_emit_cpu;
1564    bld_base->op_actions[TGSI_OPCODE_ADD].emit = add_emit_cpu;
1565    bld_base->op_actions[TGSI_OPCODE_AND].emit = and_emit_cpu;
1566    bld_base->op_actions[TGSI_OPCODE_ARL].emit = arl_emit_cpu;
1567    bld_base->op_actions[TGSI_OPCODE_ARR].emit = arr_emit_cpu;
1568    bld_base->op_actions[TGSI_OPCODE_CEIL].emit = ceil_emit_cpu;
1569    bld_base->op_actions[TGSI_OPCODE_CND].emit = cnd_emit_cpu;
1570    bld_base->op_actions[TGSI_OPCODE_COS].emit = cos_emit_cpu;
1571    bld_base->op_actions[TGSI_OPCODE_CMP].emit = cmp_emit_cpu;
1572    bld_base->op_actions[TGSI_OPCODE_DIV].emit = div_emit_cpu;
1573    bld_base->op_actions[TGSI_OPCODE_EX2].emit = ex2_emit_cpu;
1574    bld_base->op_actions[TGSI_OPCODE_EXP].emit = exp_emit_cpu;
1575    bld_base->op_actions[TGSI_OPCODE_F2I].emit = f2i_emit_cpu;
1576    bld_base->op_actions[TGSI_OPCODE_F2U].emit = f2u_emit_cpu;
1577    bld_base->op_actions[TGSI_OPCODE_FLR].emit = flr_emit_cpu;
1578
1579    bld_base->op_actions[TGSI_OPCODE_I2F].emit = i2f_emit_cpu;
1580    bld_base->op_actions[TGSI_OPCODE_IABS].emit = iabs_emit_cpu;
1581    bld_base->op_actions[TGSI_OPCODE_IDIV].emit = idiv_emit_cpu;
1582    bld_base->op_actions[TGSI_OPCODE_INEG].emit = ineg_emit_cpu;
1583    bld_base->op_actions[TGSI_OPCODE_IMAX].emit = imax_emit_cpu;
1584    bld_base->op_actions[TGSI_OPCODE_IMIN].emit = imin_emit_cpu;
1585    bld_base->op_actions[TGSI_OPCODE_ISGE].emit = isge_emit_cpu;
1586    bld_base->op_actions[TGSI_OPCODE_ISHR].emit = ishr_emit_cpu;
1587    bld_base->op_actions[TGSI_OPCODE_ISLT].emit = islt_emit_cpu;
1588    bld_base->op_actions[TGSI_OPCODE_ISSG].emit = issg_emit_cpu;
1589
1590    bld_base->op_actions[TGSI_OPCODE_LG2].emit = lg2_emit_cpu;
1591    bld_base->op_actions[TGSI_OPCODE_LOG].emit = log_emit_cpu;
1592    bld_base->op_actions[TGSI_OPCODE_MAX].emit = max_emit_cpu;
1593    bld_base->op_actions[TGSI_OPCODE_MIN].emit = min_emit_cpu;
1594    bld_base->op_actions[TGSI_OPCODE_MOD].emit = mod_emit_cpu;
1595    bld_base->op_actions[TGSI_OPCODE_NOT].emit = not_emit_cpu;
1596    bld_base->op_actions[TGSI_OPCODE_OR].emit = or_emit_cpu;
1597    bld_base->op_actions[TGSI_OPCODE_POW].emit = pow_emit_cpu;
1598    bld_base->op_actions[TGSI_OPCODE_RCP].emit = rcp_emit_cpu;
1599    bld_base->op_actions[TGSI_OPCODE_ROUND].emit = round_emit_cpu;
1600    bld_base->op_actions[TGSI_OPCODE_SEQ].emit = seq_emit_cpu;
1601    bld_base->op_actions[TGSI_OPCODE_SGE].emit = sge_emit_cpu;
1602    bld_base->op_actions[TGSI_OPCODE_SGT].emit = sgt_emit_cpu;
1603    bld_base->op_actions[TGSI_OPCODE_SIN].emit = sin_emit_cpu;
1604    bld_base->op_actions[TGSI_OPCODE_SHL].emit = shl_emit_cpu;
1605    bld_base->op_actions[TGSI_OPCODE_SLE].emit = sle_emit_cpu;
1606    bld_base->op_actions[TGSI_OPCODE_SLT].emit = slt_emit_cpu;
1607    bld_base->op_actions[TGSI_OPCODE_SNE].emit = sne_emit_cpu;
1608    bld_base->op_actions[TGSI_OPCODE_SSG].emit = ssg_emit_cpu;
1609    bld_base->op_actions[TGSI_OPCODE_SUB].emit = sub_emit_cpu;
1610    bld_base->op_actions[TGSI_OPCODE_TRUNC].emit = trunc_emit_cpu;
1611
1612    bld_base->rsq_action.emit = recip_sqrt_emit_cpu;
1613
1614    bld_base->op_actions[TGSI_OPCODE_UADD].emit = uadd_emit_cpu;
1615    bld_base->op_actions[TGSI_OPCODE_UDIV].emit = udiv_emit_cpu;
1616    bld_base->op_actions[TGSI_OPCODE_UMAX].emit = umax_emit_cpu;
1617    bld_base->op_actions[TGSI_OPCODE_UMIN].emit = umin_emit_cpu;
1618    bld_base->op_actions[TGSI_OPCODE_UMOD].emit = umod_emit_cpu;
1619    bld_base->op_actions[TGSI_OPCODE_USEQ].emit = useq_emit_cpu;
1620    bld_base->op_actions[TGSI_OPCODE_USGE].emit = usge_emit_cpu;
1621    bld_base->op_actions[TGSI_OPCODE_USHR].emit = ushr_emit_cpu;
1622    bld_base->op_actions[TGSI_OPCODE_USLT].emit = uslt_emit_cpu;
1623    bld_base->op_actions[TGSI_OPCODE_USNE].emit = usne_emit_cpu;
1624
1625    bld_base->op_actions[TGSI_OPCODE_XOR].emit = xor_emit_cpu;
1626
1627 }