i965/fs: Add support for translating ir_triop_fma into MAD.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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@ -179,6 +179,7 @@ ALU3(BFI2)
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ALU1(FBH)
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ALU1(FBH)
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ALU1(FBL)
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ALU1(FBL)
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ALU1(CBIT)
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ALU1(CBIT)
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ALU3(MAD)
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/** Gen4 predicated IF. */
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/** Gen4 predicated IF. */
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fs_inst *
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fs_inst *
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@ -285,6 +285,7 @@ public:
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fs_inst *FBH(fs_reg dst, fs_reg value);
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fs_inst *FBH(fs_reg dst, fs_reg value);
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fs_inst *FBL(fs_reg dst, fs_reg value);
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fs_inst *FBL(fs_reg dst, fs_reg value);
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fs_inst *CBIT(fs_reg dst, fs_reg value);
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fs_inst *CBIT(fs_reg dst, fs_reg value);
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fs_inst *MAD(fs_reg dst, fs_reg c, fs_reg b, fs_reg a);
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int type_size(const struct glsl_type *type);
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int type_size(const struct glsl_type *type);
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fs_inst *get_instruction_generating_reg(fs_inst *start,
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fs_inst *get_instruction_generating_reg(fs_inst *start,
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@ -360,6 +360,7 @@ ir_channel_expressions_visitor::visit_leave(ir_assignment *ir)
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assert(!"not yet supported");
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assert(!"not yet supported");
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break;
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break;
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case ir_triop_fma:
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case ir_triop_lrp:
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case ir_triop_lrp:
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case ir_triop_bitfield_extract:
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case ir_triop_bitfield_extract:
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for (i = 0; i < vector_elements; i++) {
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for (i = 0; i < vector_elements; i++) {
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@ -718,6 +718,13 @@ fs_visitor::visit(ir_expression *ir)
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break;
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break;
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}
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}
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case ir_triop_fma:
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/* Note that the instruction's argument order is reversed from GLSL
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* and the IR.
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*/
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emit(MAD(this->result, op[2], op[1], op[0]));
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break;
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case ir_triop_lrp:
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case ir_triop_lrp:
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emit_lrp(this->result, op[0], op[1], op[2]);
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emit_lrp(this->result, op[0], op[1], op[2]);
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break;
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break;
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