glsl: Remove never used sin_reduced/cos_reduced.

These were added in commit f2616e56, presumably in preparation for
translating ARB vp/fp into GLSL IR. That never happened, and neither did
a lowering pass that actually generated these instructions.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>

src/glsl/ir.cpp

@@ -240,8 +240,6 @@ ir_expression::ir_expression(int op, ir_rvalue *op0)
    case ir_unop_round_even:
    case ir_unop_sin:
    case ir_unop_cos:
-   case ir_unop_sin_reduced:
-   case ir_unop_cos_reduced:
    case ir_unop_dFdx:
    case ir_unop_dFdx_coarse:
    case ir_unop_dFdx_fine:
@@ -542,8 +540,6 @@ static const char *const operator_strs[] = {
    "round_even",
    "sin",
    "cos",
-   "sin_reduced",
-   "cos_reduced",
    "dFdx",
    "dFdxCoarse",
    "dFdxFine",

src/glsl/ir.h

@@ -1314,8 +1314,6 @@ enum ir_expression_operation {
    /*@{*/
    ir_unop_sin,
    ir_unop_cos,
-   ir_unop_sin_reduced,    /**< Reduced range sin. [-pi, pi] */
-   ir_unop_cos_reduced,    /**< Reduced range cos. [-pi, pi] */
    /*@}*/
 
    /**

src/glsl/ir_constant_expression.cpp

@@ -781,7 +781,6 @@ ir_expression::constant_expression_value(struct hash_table *variable_context)
       break;
 
    case ir_unop_sin:
-   case ir_unop_sin_reduced:
       assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
       for (unsigned c = 0; c < op[0]->type->components(); c++) {
 	 data.f[c] = sinf(op[0]->value.f[c]);
@@ -789,7 +788,6 @@ ir_expression::constant_expression_value(struct hash_table *variable_context)
       break;
 
    case ir_unop_cos:
-   case ir_unop_cos_reduced:
       assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
       for (unsigned c = 0; c < op[0]->type->components(); c++) {
 	 data.f[c] = cosf(op[0]->value.f[c]);

src/glsl/ir_validate.cpp

@@ -334,8 +334,6 @@ ir_validate::visit_leave(ir_expression *ir)
       break;
    case ir_unop_sin:
    case ir_unop_cos:
-   case ir_unop_sin_reduced:
-   case ir_unop_cos_reduced:
    case ir_unop_dFdx:
    case ir_unop_dFdx_coarse:
    case ir_unop_dFdx_fine:

src/glsl/nir/glsl_to_nir.cpp

@@ -1087,12 +1087,6 @@ nir_visitor::visit(ir_expression *ir)
    case ir_unop_round_even: emit(nir_op_fround_even, dest_size, srcs); break;
    case ir_unop_sin:   emit(nir_op_fsin,   dest_size, srcs); break;
    case ir_unop_cos:   emit(nir_op_fcos,   dest_size, srcs); break;
-   case ir_unop_sin_reduced:
-      emit(nir_op_fsin_reduced, dest_size, srcs);
-      break;
-   case ir_unop_cos_reduced:
-      emit(nir_op_fcos_reduced, dest_size, srcs);
-      break;
    case ir_unop_dFdx:        emit(nir_op_fddx,        dest_size, srcs); break;
    case ir_unop_dFdy:        emit(nir_op_fddy,        dest_size, srcs); break;
    case ir_unop_dFdx_fine:   emit(nir_op_fddx_fine,   dest_size, srcs); break;

src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp

@@ -232,8 +232,6 @@ ir_channel_expressions_visitor::visit_leave(ir_assignment *ir)
    case ir_unop_round_even:
    case ir_unop_sin:
    case ir_unop_cos:
-   case ir_unop_sin_reduced:
-   case ir_unop_cos_reduced:
    case ir_unop_dFdx:
    case ir_unop_dFdx_coarse:
    case ir_unop_dFdx_fine:

src/mesa/drivers/dri/i965/brw_fs_visitor.cpp

@@ -817,11 +817,9 @@ fs_visitor::visit(ir_expression *ir)
    case ir_unop_log:
       unreachable("not reached: should be handled by ir_explog_to_explog2");
    case ir_unop_sin:
-   case ir_unop_sin_reduced:
       emit_math(SHADER_OPCODE_SIN, this->result, op[0]);
       break;
    case ir_unop_cos:
-   case ir_unop_cos_reduced:
       emit_math(SHADER_OPCODE_COS, this->result, op[0]);
       break;
 

src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp

@@ -1411,11 +1411,9 @@ vec4_visitor::visit(ir_expression *ir)
    case ir_unop_log:
       unreachable("not reached: should be handled by ir_explog_to_explog2");
    case ir_unop_sin:
-   case ir_unop_sin_reduced:
       emit_math(SHADER_OPCODE_SIN, result_dst, op[0]);
       break;
    case ir_unop_cos:
-   case ir_unop_cos_reduced:
       emit_math(SHADER_OPCODE_COS, result_dst, op[0]);
       break;
 

src/mesa/program/ir_to_mesa.cpp

@@ -1122,12 +1122,6 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
    case ir_unop_cos:
       emit_scalar(ir, OPCODE_COS, result_dst, op[0]);
       break;
-   case ir_unop_sin_reduced:
-      emit_scs(ir, OPCODE_SIN, result_dst, op[0]);
-      break;
-   case ir_unop_cos_reduced:
-      emit_scs(ir, OPCODE_COS, result_dst, op[0]);
-      break;
 
    case ir_unop_dFdx:
       emit(ir, OPCODE_DDX, result_dst, op[0]);

src/mesa/state_tracker/st_glsl_to_tgsi.cpp

@@ -1611,12 +1611,6 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
    case ir_unop_cos:
       emit_scalar(ir, TGSI_OPCODE_COS, result_dst, op[0]);
       break;
-   case ir_unop_sin_reduced:
-      emit_scs(ir, TGSI_OPCODE_SIN, result_dst, op[0]);
-      break;
-   case ir_unop_cos_reduced:
-      emit_scs(ir, TGSI_OPCODE_COS, result_dst, op[0]);
-      break;
    case ir_unop_saturate: {
       glsl_to_tgsi_instruction *inst;
       inst = emit(ir, TGSI_OPCODE_MOV, result_dst, op[0]);