gallium: Drop the unused CND opcode.

Nothing in the tree generates it.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>

11 files changed, 5 insertions, 82 deletions

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c
index d0f1a7caf7f..9cb42b237b7 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.c
@@ -1057,24 +1057,6 @@ ucmp_emit_cpu(
                       cond, emit_data->args[1], emit_data->args[2]);
 }
 
-
-/* TGSI_OPCODE_CND (CPU Only) */
-static void
-cnd_emit_cpu(
-   const struct lp_build_tgsi_action * action,
-   struct lp_build_tgsi_context * bld_base,
-   struct lp_build_emit_data * emit_data)
-{
-   LLVMValueRef half, tmp;
-   half = lp_build_const_vec(bld_base->base.gallivm, bld_base->base.type, 0.5);
-   tmp = lp_build_cmp(&bld_base->base, PIPE_FUNC_GREATER,
-                      emit_data->args[2], half);
-   emit_data->output[emit_data->chan] = lp_build_select(&bld_base->base,
-                                          tmp,
-                                          emit_data->args[0],
-                                          emit_data->args[1]);
-}
-
 /* TGSI_OPCODE_COS (CPU Only) */
 static void
 cos_emit_cpu(
@@ -1821,7 +1803,6 @@ lp_set_default_actions_cpu(
    bld_base->op_actions[TGSI_OPCODE_ARL].emit = arl_emit_cpu;
    bld_base->op_actions[TGSI_OPCODE_ARR].emit = arr_emit_cpu;
    bld_base->op_actions[TGSI_OPCODE_CEIL].emit = ceil_emit_cpu;
-   bld_base->op_actions[TGSI_OPCODE_CND].emit = cnd_emit_cpu;
    bld_base->op_actions[TGSI_OPCODE_COS].emit = cos_emit_cpu;
    bld_base->op_actions[TGSI_OPCODE_CMP].emit = cmp_emit_cpu;
    bld_base->op_actions[TGSI_OPCODE_DIV].emit = div_emit_cpu;
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
index 9e468f91282..2ef5db1e69e 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
@@ -620,15 +620,6 @@ lp_emit_instruction_aos(
       dst0 = lp_build_add(&bld->bld_base.base, tmp0, src2);
       break;
 
-   case TGSI_OPCODE_CND:
-      src0 = lp_build_emit_fetch(&bld->bld_base, inst, 0, LP_CHAN_ALL);
-      src1 = lp_build_emit_fetch(&bld->bld_base, inst, 1, LP_CHAN_ALL);
-      src2 = lp_build_emit_fetch(&bld->bld_base, inst, 2, LP_CHAN_ALL);
-      tmp1 = lp_build_const_vec(bld->bld_base.base.gallivm, bld->bld_base.base.type, 0.5);
-      tmp0 = lp_build_cmp(&bld->bld_base.base, PIPE_FUNC_GREATER, src2, tmp1);
-      dst0 = lp_build_select(&bld->bld_base.base, tmp0, src0, src1);
-      break;
-
    case TGSI_OPCODE_DP2A:
       return FALSE;
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index ec1374aa876..834568b9104 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -137,18 +137,6 @@ micro_cmp(union tgsi_exec_channel *dst,
 }
 
 static void
-micro_cnd(union tgsi_exec_channel *dst,
-          const union tgsi_exec_channel *src0,
-          const union tgsi_exec_channel *src1,
-          const union tgsi_exec_channel *src2)
-{
-   dst->f[0] = src2->f[0] > 0.5f ? src0->f[0] : src1->f[0];
-   dst->f[1] = src2->f[1] > 0.5f ? src0->f[1] : src1->f[1];
-   dst->f[2] = src2->f[2] > 0.5f ? src0->f[2] : src1->f[2];
-   dst->f[3] = src2->f[3] > 0.5f ? src0->f[3] : src1->f[3];
-}
-
-static void
 micro_cos(union tgsi_exec_channel *dst,
           const union tgsi_exec_channel *src)
 {
@@ -3603,10 +3591,6 @@ exec_instruction(
       exec_vector_trinary(mach, inst, micro_lrp, TGSI_EXEC_DATA_FLOAT, TGSI_EXEC_DATA_FLOAT);
       break;
 
-   case TGSI_OPCODE_CND:
-      exec_vector_trinary(mach, inst, micro_cnd, TGSI_EXEC_DATA_FLOAT, TGSI_EXEC_DATA_FLOAT);
-      break;
-
    case TGSI_OPCODE_SQRT:
       exec_scalar_unary(mach, inst, micro_sqrt, TGSI_EXEC_DATA_FLOAT, TGSI_EXEC_DATA_FLOAT);
       break;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_info.c b/src/gallium/auxiliary/tgsi/tgsi_info.c
index 2ec2853ea44..c90d24c79de 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_info.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_info.c
@@ -56,7 +56,7 @@ static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] =
    { 1, 3, 0, 0, 0, 0, COMP, "MAD", TGSI_OPCODE_MAD },
    { 1, 2, 0, 0, 0, 0, COMP, "SUB", TGSI_OPCODE_SUB },
    { 1, 3, 0, 0, 0, 0, COMP, "LRP", TGSI_OPCODE_LRP },
-   { 1, 3, 0, 0, 0, 0, COMP, "CND", TGSI_OPCODE_CND },
+   { 0, 0, 0, 0, 0, 0, NONE, "", 19 },      /* removed */
    { 1, 1, 0, 0, 0, 0, REPL, "SQRT", TGSI_OPCODE_SQRT },
    { 1, 3, 0, 0, 0, 0, REPL, "DP2A", TGSI_OPCODE_DP2A },
    { 0, 0, 0, 0, 0, 0, NONE, "", 22 },      /* removed */
diff --git a/src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h b/src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h
index b8bdba956e5..147d9894828 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h
@@ -75,7 +75,6 @@ OP12(SGE)
 OP13(MAD)
 OP12(SUB)
 OP13(LRP)
-OP13(CND)
 OP11(SQRT)
 OP13(DP2A)
 OP11(FRC)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_util.c b/src/gallium/auxiliary/tgsi/tgsi_util.c
index 66cb1674840..d572ff03d78 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_util.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_util.c
@@ -193,7 +193,6 @@ tgsi_util_get_inst_usage_mask(const struct tgsi_full_instruction *inst,
    case TGSI_OPCODE_MAD:
    case TGSI_OPCODE_SUB:
    case TGSI_OPCODE_LRP:
-   case TGSI_OPCODE_CND:
    case TGSI_OPCODE_FRC:
    case TGSI_OPCODE_CEIL:
    case TGSI_OPCODE_CLAMP:
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index d4bf9ccaeec..3f29e326cd6 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -272,19 +272,6 @@ This instruction replicates its result.
   dst.w = src0.w \times src1.w + (1 - src0.w) \times src2.w
 
 
-.. opcode:: CND - Condition
-
-.. math::
-
-  dst.x = (src2.x > 0.5) ? src0.x : src1.x
-
-  dst.y = (src2.y > 0.5) ? src0.y : src1.y
-
-  dst.z = (src2.z > 0.5) ? src0.z : src1.z
-
-  dst.w = (src2.w > 0.5) ? src0.w : src1.w
-
-
 .. opcode:: DP2A - 2-component Dot Product And Add
 
 .. math::
diff --git a/src/gallium/drivers/ilo/shader/toy_tgsi.c b/src/gallium/drivers/ilo/shader/toy_tgsi.c
index 5938de48598..57501eac337 100644
--- a/src/gallium/drivers/ilo/shader/toy_tgsi.c
+++ b/src/gallium/drivers/ilo/shader/toy_tgsi.c
@@ -569,21 +569,6 @@ aos_LRP(struct toy_compiler *tc,
 }
 
 static void
-aos_CND(struct toy_compiler *tc,
-        const struct tgsi_full_instruction *tgsi_inst,
-        struct toy_dst *dst,
-        struct toy_src *src)
-{
-   struct toy_inst *inst;
-
-   assert(!"CND untested");
-
-   tc_CMP(tc, tdst_null(), src[2], tsrc_imm_f(0.5f), GEN6_COND_G);
-   inst = tc_SEL(tc, dst[0], src[0], src[1], GEN6_COND_NONE);
-   inst->pred_ctrl = GEN6_PREDCTRL_NORMAL;
-}
-
-static void
 aos_DP2A(struct toy_compiler *tc,
          const struct tgsi_full_instruction *tgsi_inst,
          struct toy_dst *dst,
@@ -795,7 +780,6 @@ static const toy_tgsi_translate aos_translate_table[TGSI_OPCODE_LAST] = {
    [TGSI_OPCODE_MAD]          = aos_simple,
    [TGSI_OPCODE_SUB]          = aos_simple,
    [TGSI_OPCODE_LRP]          = aos_LRP,
-   [TGSI_OPCODE_CND]          = aos_CND,
    [TGSI_OPCODE_SQRT]         = aos_simple,
    [TGSI_OPCODE_DP2A]         = aos_DP2A,
    [TGSI_OPCODE_FRC]          = aos_simple,
@@ -1339,7 +1323,6 @@ static const toy_tgsi_translate soa_translate_table[TGSI_OPCODE_LAST] = {
    [TGSI_OPCODE_MAD]          = soa_per_channel,
    [TGSI_OPCODE_SUB]          = soa_per_channel,
    [TGSI_OPCODE_LRP]          = soa_per_channel,
-   [TGSI_OPCODE_CND]          = soa_per_channel,
    [TGSI_OPCODE_SQRT]         = soa_scalar_replicate,
    [TGSI_OPCODE_DP2A]         = soa_dot_product,
    [TGSI_OPCODE_FRC]          = soa_per_channel,
diff --git a/src/gallium/drivers/r300/r300_tgsi_to_rc.c b/src/gallium/drivers/r300/r300_tgsi_to_rc.c
index a7a741e6abf..b82cb3e2684 100644
--- a/src/gallium/drivers/r300/r300_tgsi_to_rc.c
+++ b/src/gallium/drivers/r300/r300_tgsi_to_rc.c
@@ -51,7 +51,6 @@ static unsigned translate_opcode(unsigned opcode)
         case TGSI_OPCODE_MAD: return RC_OPCODE_MAD;
         case TGSI_OPCODE_SUB: return RC_OPCODE_SUB;
         case TGSI_OPCODE_LRP: return RC_OPCODE_LRP;
-        case TGSI_OPCODE_CND: return RC_OPCODE_CND;
      /* case TGSI_OPCODE_DP2A: return RC_OPCODE_DP2A; */
         case TGSI_OPCODE_FRC: return RC_OPCODE_FRC;
         case TGSI_OPCODE_CLAMP: return RC_OPCODE_CLAMP;
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 2e74d5963d4..7a2609a2c1d 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -7207,7 +7207,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = {
 	{TGSI_OPCODE_MAD,	1, ALU_OP3_MULADD, tgsi_op3},
 	{TGSI_OPCODE_SUB,	0, ALU_OP2_ADD, tgsi_op2},
 	{TGSI_OPCODE_LRP,	0, ALU_OP0_NOP, tgsi_lrp},
-	{TGSI_OPCODE_CND,	0, ALU_OP0_NOP, tgsi_unsupported},
+	{19,			0, ALU_OP0_NOP, tgsi_unsupported},
 	{TGSI_OPCODE_SQRT,	0, ALU_OP1_SQRT_IEEE, tgsi_trans_srcx_replicate},
 	{TGSI_OPCODE_DP2A,	0, ALU_OP0_NOP, tgsi_unsupported},
 	{22,			0, ALU_OP0_NOP, tgsi_unsupported},
@@ -7406,7 +7406,7 @@ static struct r600_shader_tgsi_instruction eg_shader_tgsi_instruction[] = {
 	{TGSI_OPCODE_MAD,	1, ALU_OP3_MULADD, tgsi_op3},
 	{TGSI_OPCODE_SUB,	0, ALU_OP2_ADD, tgsi_op2},
 	{TGSI_OPCODE_LRP,	0, ALU_OP0_NOP, tgsi_lrp},
-	{TGSI_OPCODE_CND,	0, ALU_OP0_NOP, tgsi_unsupported},
+	{19,			0, ALU_OP0_NOP, tgsi_unsupported},
 	{TGSI_OPCODE_SQRT,	0, ALU_OP1_SQRT_IEEE, tgsi_trans_srcx_replicate},
 	{TGSI_OPCODE_DP2A,	0, ALU_OP0_NOP, tgsi_unsupported},
 	{22,			0, ALU_OP0_NOP, tgsi_unsupported},
@@ -7605,7 +7605,7 @@ static struct r600_shader_tgsi_instruction cm_shader_tgsi_instruction[] = {
 	{TGSI_OPCODE_MAD,	1, ALU_OP3_MULADD, tgsi_op3},
 	{TGSI_OPCODE_SUB,	0, ALU_OP2_ADD, tgsi_op2},
 	{TGSI_OPCODE_LRP,	0, ALU_OP0_NOP, tgsi_lrp},
-	{TGSI_OPCODE_CND,	0, ALU_OP0_NOP, tgsi_unsupported},
+	{19,			0, ALU_OP0_NOP, tgsi_unsupported},
 	{TGSI_OPCODE_SQRT,	0, ALU_OP1_SQRT_IEEE, cayman_emit_float_instr},
 	{TGSI_OPCODE_DP2A,	0, ALU_OP0_NOP, tgsi_unsupported},
 	{22,			0, ALU_OP0_NOP, tgsi_unsupported},
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index 52a4216e51b..98f0670f592 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -303,7 +303,7 @@ struct tgsi_property_data {
 #define TGSI_OPCODE_MAD                 16
 #define TGSI_OPCODE_SUB                 17
 #define TGSI_OPCODE_LRP                 18
-#define TGSI_OPCODE_CND                 19
+                                /* gap */
 #define TGSI_OPCODE_SQRT                20
 #define TGSI_OPCODE_DP2A                21
                                 /* gap */