gallium: Drop the unused RCC opcode.

Nothing in the tree generated it.

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

11 files changed, 5 insertions, 47 deletions

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.c
index 51cb54c..4a9ce37 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.c
@@ -207,7 +207,6 @@ lp_build_tgsi_inst_llvm(
    /* Ignore deprecated instructions */
    switch (inst->Instruction.Opcode) {
 
-   case TGSI_OPCODE_RCC:
    case TGSI_OPCODE_UP2H:
    case TGSI_OPCODE_UP2US:
    case TGSI_OPCODE_UP4B:
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
index 7829a7e..3b9833a 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
@@ -679,11 +679,6 @@ lp_emit_instruction_aos(
    case TGSI_OPCODE_XPD:
       return FALSE;
 
-   case TGSI_OPCODE_RCC:
-      /* deprecated? */
-      assert(0);
-      return FALSE;
-
    case TGSI_OPCODE_DPH:
       return FALSE;
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index b9a4c7b..b3ea82f 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -911,22 +911,6 @@ micro_div(
 }
 
 static void
-micro_rcc(union tgsi_exec_channel *dst,
-          const union tgsi_exec_channel *src)
-{
-   uint i;
-
-   for (i = 0; i < 4; i++) {
-      float recip = 1.0f / src->f[i];
-
-      if (recip > 0.0f)
-         dst->f[i] = CLAMP(recip, 5.42101e-020f, 1.84467e+019f);
-      else
-         dst->f[i] = CLAMP(recip, -1.84467e+019f, -5.42101e-020f);
-   }
-}
-
-static void
 micro_lt(
    union tgsi_exec_channel *dst,
    const union tgsi_exec_channel *src0,
@@ -3799,10 +3783,6 @@ exec_instruction(
       exec_vector_unary(mach, inst, micro_abs, TGSI_EXEC_DATA_FLOAT, TGSI_EXEC_DATA_FLOAT);
       break;
 
-   case TGSI_OPCODE_RCC:
-      exec_scalar_unary(mach, inst, micro_rcc, TGSI_EXEC_DATA_FLOAT, TGSI_EXEC_DATA_FLOAT);
-      break;
-
    case TGSI_OPCODE_DPH:
       exec_dph(mach, inst);
       break;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_info.c b/src/gallium/auxiliary/tgsi/tgsi_info.c
index 6336304..d17426f 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_info.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_info.c
@@ -71,7 +71,7 @@ static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] =
    { 1, 2, 0, 0, 0, 0, COMP, "XPD", TGSI_OPCODE_XPD },
    { 0, 0, 0, 0, 0, 0, NONE, "", 32 },      /* removed */
    { 1, 1, 0, 0, 0, 0, COMP, "ABS", TGSI_OPCODE_ABS },
-   { 1, 1, 0, 0, 0, 0, REPL, "RCC", TGSI_OPCODE_RCC },
+   { 0, 0, 0, 0, 0, 0, NONE, "", 34 },      /* removed */
    { 1, 2, 0, 0, 0, 0, REPL, "DPH", TGSI_OPCODE_DPH },
    { 1, 1, 0, 0, 0, 0, REPL, "COS", TGSI_OPCODE_COS },
    { 1, 1, 0, 0, 0, 0, COMP, "DDX", TGSI_OPCODE_DDX },
diff --git a/src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h b/src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h
index 56a7a97..33cf38b 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h
@@ -87,7 +87,6 @@ OP11(LG2)
 OP12(POW)
 OP12(XPD)
 OP11(ABS)
-OP11(RCC)
 OP12(DPH)
 OP11(COS)
 OP11(DDX)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_util.c b/src/gallium/auxiliary/tgsi/tgsi_util.c
index e1cba95..66cb167 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_util.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_util.c
@@ -253,7 +253,6 @@ tgsi_util_get_inst_usage_mask(const struct tgsi_full_instruction *inst,
 
    case TGSI_OPCODE_EX2:
    case TGSI_OPCODE_LG2:
-   case TGSI_OPCODE_RCC:
       read_mask = TGSI_WRITEMASK_X;
       break;
 
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 49de4ca..c912ec5 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -404,17 +404,6 @@ This instruction replicates its result.
   dst.w = |src.w|
 
 
-.. opcode:: RCC - Reciprocal Clamped
-
-This instruction replicates its result.
-
-XXX cleanup on aisle three
-
-.. math::
-
-  dst = (1 / src.x) > 0 ? clamp(1 / src.x, 5.42101e-020, 1.84467e+019) : clamp(1 / src.x, -1.84467e+019, -5.42101e-020)
-
-
 .. opcode:: DPH - Homogeneous Dot Product
 
 This instruction replicates its result.
diff --git a/src/gallium/drivers/ilo/shader/toy_tgsi.c b/src/gallium/drivers/ilo/shader/toy_tgsi.c
index 8cbb47e..1bf9f21 100644
--- a/src/gallium/drivers/ilo/shader/toy_tgsi.c
+++ b/src/gallium/drivers/ilo/shader/toy_tgsi.c
@@ -829,7 +829,6 @@ static const toy_tgsi_translate aos_translate_table[TGSI_OPCODE_LAST] = {
    [TGSI_OPCODE_POW]          = aos_simple,
    [TGSI_OPCODE_XPD]          = aos_XPD,
    [TGSI_OPCODE_ABS]          = aos_simple,
-   [TGSI_OPCODE_RCC]          = aos_unsupported,
    [TGSI_OPCODE_DPH]          = aos_simple,
    [TGSI_OPCODE_COS]          = aos_simple,
    [TGSI_OPCODE_DDX]          = aos_unsupported,
@@ -1380,7 +1379,6 @@ static const toy_tgsi_translate soa_translate_table[TGSI_OPCODE_LAST] = {
    [TGSI_OPCODE_POW]          = soa_scalar_replicate,
    [TGSI_OPCODE_XPD]          = soa_XPD,
    [TGSI_OPCODE_ABS]          = soa_per_channel,
-   [TGSI_OPCODE_RCC]          = soa_unsupported,
    [TGSI_OPCODE_DPH]          = soa_dot_product,
    [TGSI_OPCODE_COS]          = soa_scalar_replicate,
    [TGSI_OPCODE_DDX]          = soa_partial_derivative,
diff --git a/src/gallium/drivers/r300/r300_tgsi_to_rc.c b/src/gallium/drivers/r300/r300_tgsi_to_rc.c
index c08818e..f371713 100644
--- a/src/gallium/drivers/r300/r300_tgsi_to_rc.c
+++ b/src/gallium/drivers/r300/r300_tgsi_to_rc.c
@@ -62,7 +62,6 @@ static unsigned translate_opcode(unsigned opcode)
         case TGSI_OPCODE_POW: return RC_OPCODE_POW;
         case TGSI_OPCODE_XPD: return RC_OPCODE_XPD;
         case TGSI_OPCODE_ABS: return RC_OPCODE_ABS;
-     /* case TGSI_OPCODE_RCC: return RC_OPCODE_RCC; */
         case TGSI_OPCODE_DPH: return RC_OPCODE_DPH;
         case TGSI_OPCODE_COS: return RC_OPCODE_COS;
         case TGSI_OPCODE_DDX: return RC_OPCODE_DDX;
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 10a5ca0..ac7095f 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -7222,7 +7222,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = {
 	{TGSI_OPCODE_XPD,	0, ALU_OP0_NOP, tgsi_xpd},
 	{32,			0, ALU_OP0_NOP, tgsi_unsupported},
 	{TGSI_OPCODE_ABS,	0, ALU_OP1_MOV, tgsi_op2},
-	{TGSI_OPCODE_RCC,	0, ALU_OP0_NOP, tgsi_unsupported},
+	{34,			0, ALU_OP0_NOP, tgsi_unsupported},
 	{TGSI_OPCODE_DPH,	0, ALU_OP2_DOT4, tgsi_dp},
 	{TGSI_OPCODE_COS,	0, ALU_OP1_COS, tgsi_trig},
 	{TGSI_OPCODE_DDX,	0, FETCH_OP_GET_GRADIENTS_H, tgsi_tex},
@@ -7421,7 +7421,7 @@ static struct r600_shader_tgsi_instruction eg_shader_tgsi_instruction[] = {
 	{TGSI_OPCODE_XPD,	0, ALU_OP0_NOP, tgsi_xpd},
 	{32,			0, ALU_OP0_NOP, tgsi_unsupported},
 	{TGSI_OPCODE_ABS,	0, ALU_OP1_MOV, tgsi_op2},
-	{TGSI_OPCODE_RCC,	0, ALU_OP0_NOP, tgsi_unsupported},
+	{34,			0, ALU_OP0_NOP, tgsi_unsupported},
 	{TGSI_OPCODE_DPH,	0, ALU_OP2_DOT4, tgsi_dp},
 	{TGSI_OPCODE_COS,	0, ALU_OP1_COS, tgsi_trig},
 	{TGSI_OPCODE_DDX,	0, FETCH_OP_GET_GRADIENTS_H, tgsi_tex},
@@ -7620,7 +7620,7 @@ static struct r600_shader_tgsi_instruction cm_shader_tgsi_instruction[] = {
 	{TGSI_OPCODE_XPD,	0, ALU_OP0_NOP, tgsi_xpd},
 	{32,			0, ALU_OP0_NOP, tgsi_unsupported},
 	{TGSI_OPCODE_ABS,	0, ALU_OP1_MOV, tgsi_op2},
-	{TGSI_OPCODE_RCC,	0, ALU_OP0_NOP, tgsi_unsupported},
+	{34,			0, ALU_OP0_NOP, tgsi_unsupported},
 	{TGSI_OPCODE_DPH,	0, ALU_OP2_DOT4, tgsi_dp},
 	{TGSI_OPCODE_COS,	0, ALU_OP1_COS, cayman_trig},
 	{TGSI_OPCODE_DDX,	0, FETCH_OP_GET_GRADIENTS_H, tgsi_tex},
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index ba10576..b1e7b10 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -317,7 +317,7 @@ struct tgsi_property_data {
 #define TGSI_OPCODE_XPD                 31
                                 /* gap */
 #define TGSI_OPCODE_ABS                 33
-#define TGSI_OPCODE_RCC                 34
+                                /* gap */
 #define TGSI_OPCODE_DPH                 35
 #define TGSI_OPCODE_COS                 36
 #define TGSI_OPCODE_DDX                 37