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fpga fixes: warp scheduler, fnmadd, fdiv, fsqrt

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This commit is contained in:
Blaise Tine
2020-09-08 07:05:26 -07:00
parent 4c08929c56
commit 36ec603d17
22 changed files with 2374 additions and 2588 deletions
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21
hw/rtl/fp_cores/VX_fpnew.v
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@@ -91,6 +91,7 @@ module VX_fpnew #(
fpu_operands[0] = dataa;
fpu_operands[1] = datab;
fpu_operands[2] = datac;
case (op_type)
`FPU_ADD: begin
fpu_op = fpnew_pkg::ADD;
@@ -107,23 +108,23 @@ module VX_fpnew #(
`FPU_DIV: begin fpu_op = fpnew_pkg::DIV; end
`FPU_SQRT: begin fpu_op = fpnew_pkg::SQRT; end
`FPU_MADD: begin fpu_op = fpnew_pkg::FMADD; end
`FPU_MSUB: begin fpu_op = fpnew_pkg::FMADD; fpu_op_mod = 1; end
`FPU_NMSUB: begin fpu_op = fpnew_pkg::FNMSUB; end
`FPU_MSUB: begin fpu_op = fpnew_pkg::FMADD; fpu_op_mod = 1; end
`FPU_NMADD: begin fpu_op = fpnew_pkg::FNMSUB; fpu_op_mod = 1; end
`FPU_NMSUB: begin fpu_op = fpnew_pkg::FNMSUB; end
`FPU_CVTWS: begin fpu_op = fpnew_pkg::F2I; end
`FPU_CVTWUS:begin fpu_op = fpnew_pkg::F2I; fpu_op_mod = 1; end
`FPU_CVTWUS:begin fpu_op = fpnew_pkg::F2I; fpu_op_mod = 1; end
`FPU_CVTSW: begin fpu_op = fpnew_pkg::I2F; end
`FPU_CVTSWU:begin fpu_op = fpnew_pkg::I2F; fpu_op_mod = 1; end
`FPU_CVTSWU:begin fpu_op = fpnew_pkg::I2F; fpu_op_mod = 1; end
`FPU_CLASS: begin fpu_op = fpnew_pkg::CLASSIFY; fpu_has_fflags = 0; end
`FPU_CMP: begin fpu_op = fpnew_pkg::CMP; end
`FPU_MISC: begin
case (frm)
0: begin fpu_op = fpnew_pkg::SGNJ; fpu_rnd = `FRM_RNE; fpu_has_fflags = 0; end
1: begin fpu_op = fpnew_pkg::SGNJ; fpu_rnd = `FRM_RTZ; fpu_has_fflags = 0; end
2: begin fpu_op = fpnew_pkg::SGNJ; fpu_rnd = `FRM_RDN; fpu_has_fflags = 0; end
3: begin fpu_op = fpnew_pkg::MINMAX; fpu_rnd = `FRM_RNE; end
4: begin fpu_op = fpnew_pkg::MINMAX; fpu_rnd = `FRM_RTZ; end
default: begin fpu_op = fpnew_pkg::SGNJ; fpu_rnd = `FRM_RUP; fpu_has_fflags = 0; end
0: begin fpu_op = fpnew_pkg::SGNJ; fpu_rnd = `FRM_RNE; fpu_has_fflags = 0; end
1: begin fpu_op = fpnew_pkg::SGNJ; fpu_rnd = `FRM_RTZ; fpu_has_fflags = 0; end
2: begin fpu_op = fpnew_pkg::SGNJ; fpu_rnd = `FRM_RDN; fpu_has_fflags = 0; end
3: begin fpu_op = fpnew_pkg::MINMAX; fpu_rnd = `FRM_RNE; end
4: begin fpu_op = fpnew_pkg::MINMAX; fpu_rnd = `FRM_RTZ; end
default: begin fpu_op = fpnew_pkg::SGNJ; fpu_rnd = `FRM_RUP; fpu_has_fflags = 0; end
endcase
end
default:;