| Line 42... |
Line 42... |
//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//
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//
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// CVS Revision History
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// CVS Revision History
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//
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//
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// $Log: not supported by cvs2svn $
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// $Log: not supported by cvs2svn $
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// Revision 1.1 2002/01/03 08:16:15 lampret
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// New prefixes for RTL files, prefixed module names. Updated cache controllers and MMUs.
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//
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// Revision 1.10 2001/11/12 01:45:40 lampret
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// Revision 1.10 2001/11/12 01:45:40 lampret
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// Moved flag bit into SR. Changed RF enable from constant enable to dynamic enable for read ports.
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// Moved flag bit into SR. Changed RF enable from constant enable to dynamic enable for read ports.
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//
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//
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// Revision 1.9 2001/10/21 17:57:16 lampret
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// Revision 1.9 2001/10/21 17:57:16 lampret
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// Removed params from generic_XX.v. Added translate_off/on in sprs.v and id.v. Removed spr_addr from dc.v and ic.v. Fixed CR+LF.
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// Removed params from generic_XX.v. Added translate_off/on in sprs.v and id.v. Removed spr_addr from dc.v and ic.v. Fixed CR+LF.
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| Line 221... |
Line 224... |
case (shrot_op) // synopsys parallel_case
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case (shrot_op) // synopsys parallel_case
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`OR1200_SHROTOP_SLL :
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`OR1200_SHROTOP_SLL :
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shifted_rotated = (a << b[4:0]);
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shifted_rotated = (a << b[4:0]);
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`OR1200_SHROTOP_SRL :
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`OR1200_SHROTOP_SRL :
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shifted_rotated = (a >> b[4:0]);
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shifted_rotated = (a >> b[4:0]);
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`ifdef OR1200_IMPL_ALU_ROTATE
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`ifdef OR1200_IMPL_ALU_ROTATE
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`OR1200_SHROTOP_ROR :
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`OR1200_SHROTOP_ROR :
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shifted_rotated = (a << (6'd32-{1'b0, b[4:0]})) | (a >> b[4:0]);
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shifted_rotated = (a << (6'd32-{1'b0, b[4:0]})) | (a >> b[4:0]);
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`endif
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`endif
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default:
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default:
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| Line 235... |
Line 239... |
//
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//
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// First type of compare implementation
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// First type of compare implementation
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//
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//
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`ifdef OR1200_IMPL_ALU_COMP1
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`ifdef OR1200_IMPL_ALU_COMP1
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always @(comp_op or a_eq_b or a_lt_b) begin
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always @(comp_op or a_eq_b or a_lt_b) begin
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case(comp_op[2:0]) // synopsys parallel_case
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case(comp_op[2:0]) // synopsys parallel_case full_case
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`OR1200_COP_SFEQ:
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`OR1200_COP_SFEQ:
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flagforw = a_eq_b;
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flagforw = a_eq_b;
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`OR1200_COP_SFNE:
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`OR1200_COP_SFNE:
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flagforw = ~a_eq_b;
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flagforw = ~a_eq_b;
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`OR1200_COP_SFGT:
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`OR1200_COP_SFGT:
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| Line 261... |
Line 265... |
//
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//
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// Second type of compare implementation
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// Second type of compare implementation
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//
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//
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`ifdef OR1200_IMPL_ALU_COMP2
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`ifdef OR1200_IMPL_ALU_COMP2
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always @(comp_op or comp_a or comp_b) begin
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always @(comp_op or comp_a or comp_b) begin
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case(comp_op[2:0]) // synopsys parallel_case
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case(comp_op[2:0]) // synopsys parallel_case full_case
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`OR1200_COP_SFEQ:
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`OR1200_COP_SFEQ:
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flagforw = (comp_a == comp_b);
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flagforw = (comp_a == comp_b);
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`OR1200_COP_SFNE:
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`OR1200_COP_SFNE:
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flagforw = (comp_a != comp_b);
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flagforw = (comp_a != comp_b);
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`OR1200_COP_SFGT:
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`OR1200_COP_SFGT:
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