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// You should have received a copy of the GNU General Public
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// You should have received a copy of the GNU General Public
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// License along with this work; if not, write to the Free Software
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// License along with this work; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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//
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// ========== Copyright Header End ============================================
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// ========== Copyright Header End ============================================
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`ifdef SIMPLY_RISC_TWEAKS
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`define SIMPLY_RISC_SCANIN .si(0)
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`else
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`define SIMPLY_RISC_SCANIN .si()
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`endif
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////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////
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/*
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/*
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// Module Name: sparc_exu_aluaddsub
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// Module Name: sparc_exu_aluaddsub
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// Description: This block implements addition and subtraction.
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// Description: This block implements addition and subtraction.
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// It takes two operands, a carry_in, plus two control signals
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// It takes two operands, a carry_in, plus two control signals
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////////////////////////////////////////////
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////////////////////////////////////////////
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// Module implementation
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// Module implementation
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////////////////////////////////////////////
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////////////////////////////////////////////
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assign subtract_d[63:0] = {64{ifu_exu_invert_d}};
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assign subtract_d[63:0] = {64{ifu_exu_invert_d}};
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dff #(64) sub_dff(.din(subtract_d[63:0]), .clk(clk), .q(subtract_e[63:0]), .se(se),
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dff_s #(64) sub_dff(.din(subtract_d[63:0]), .clk(clk), .q(subtract_e[63:0]), .se(se),
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.si(), .so());
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`SIMPLY_RISC_SCANIN, .so());
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assign rs1_data[63:0] = byp_alu_rs1_data_e[63:0];
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assign rs1_data[63:0] = byp_alu_rs1_data_e[63:0];
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assign rs2_data[63:0] = byp_alu_rs2_data_e[63:0] ^ subtract_e[63:0];
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assign rs2_data[63:0] = byp_alu_rs2_data_e[63:0] ^ subtract_e[63:0];
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