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vfloat sequencing #221

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vfloat sequencing #221

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198 changes: 169 additions & 29 deletions arches/isa_json/gen_uarch_rv64v_json.py
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Original file line number Diff line number Diff line change
Expand Up @@ -194,19 +194,19 @@
"vmv.v.i" : {"pipe" : "vint", "uop_gen" : "ARITH", "latency" : 1},

# Vector Fixed-Point Arithmetic Instructions: Vector Single-Width Saturating Add and Subtract
"vsaddu.vv" : {"pipe" : "vfixed", "uop_gen" : "ARITH", "latency" : 1},
"vsaddu.vx" : {"pipe" : "vfixed", "uop_gen" : "ARITH", "latency" : 1},
"vsaddu.vi" : {"pipe" : "vfixed", "uop_gen" : "ARITH", "latency" : 1},
"vsaddu.vv" : {"pipe" : "vint", "uop_gen" : "ARITH", "latency" : 1},
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"vsaddu.vx" : {"pipe" : "vint", "uop_gen" : "ARITH", "latency" : 1},
"vsaddu.vi" : {"pipe" : "vint", "uop_gen" : "ARITH", "latency" : 1},

"vsadd.vv" : {"pipe" : "vfixed", "uop_gen" : "ARITH", "latency" : 1},
"vsadd.vx" : {"pipe" : "vfixed", "uop_gen" : "ARITH", "latency" : 1},
"vsadd.vi" : {"pipe" : "vfixed", "uop_gen" : "ARITH", "latency" : 1},
"vsadd.vv" : {"pipe" : "vint", "uop_gen" : "ARITH", "latency" : 1},
"vsadd.vx" : {"pipe" : "vint", "uop_gen" : "ARITH", "latency" : 1},
"vsadd.vi" : {"pipe" : "vint", "uop_gen" : "ARITH", "latency" : 1},

"vssubu.vv" : {"pipe" : "vfixed", "uop_gen" : "ARITH", "latency" : 1},
"vssubu.vx" : {"pipe" : "vfixed", "uop_gen" : "ARITH", "latency" : 1},
"vssubu.vv" : {"pipe" : "vint", "uop_gen" : "ARITH", "latency" : 1},
"vssubu.vx" : {"pipe" : "vint", "uop_gen" : "ARITH", "latency" : 1},

"vssub.vv" : {"pipe" : "vfixed", "uop_gen" : "ARITH", "latency" : 1},
"vssub.vx" : {"pipe" : "vfixed", "uop_gen" : "ARITH", "latency" : 1},
"vssub.vv" : {"pipe" : "vint", "uop_gen" : "ARITH", "latency" : 1},
"vssub.vx" : {"pipe" : "vint", "uop_gen" : "ARITH", "latency" : 1},

# TODO: Vector Fixed-Point Arithmetic Instructions: Vector Single-Width Averaging Add and Subtract
# Vector Fixed-Point Arithmetic Instructions: Vector Single-Width Fractional Multiply with Rounding and Saturation
Expand All @@ -217,24 +217,165 @@
# TODO: Vector Fixed-Point Arithmetic Instructions: Vector Narrowing Fixed-Point Clip Instructions

# TODO: Vector Floating-Point Instructions: Vector Floating-Point Exception Flags
# TODO: Vector Floating-Point Instructions: Vector Single-Width Floating-Point Add/Subtract Instructions
# TODO: Vector Floating-Point Instructions: Vector Widening Floating-Point Add/Subtract Instructions
# TODO: Vector Floating-Point Instructions: Vector Single-Width Floating-Point Multiply/Divide Instructions
# TODO: Vector Floating-Point Instructions: Vector Widening Floating-Point Multiply
# TODO: Vector Floating-Point Instructions: Vector Single-Width Floating-Point Fused Multiply-Add Instructions
# TODO: Vector Floating-Point Instructions: Vector Widening Floating-Point Fused Multiply-Add Instructions
# TODO: Vector Floating-Point Instructions: Vector Floating-Point Square-Root Instruction
# TODO: Vector Floating-Point Instructions: Vector Floating-Point Reciprocal Square-Root Estimate Instruction
# TODO: Vector Floating-Point Instructions: Vector Floating-Point Reciprocal Estimate Instruction
# TODO: Vector Floating-Point Instructions: Vector Floating-Point MIN/MAX Instructions
# TODO: Vector Floating-Point Instructions: Vector Floating-Point Sign-Injection Instructions
# TODO: Vector Floating-Point Instructions: Vector Floating-Point Compare Instructions
# TODO: Vector Floating-Point Instructions: Vector Floating-Point Classify Instruction
# TODO: Vector Floating-Point Instructions: Vector Floating-Point Merge Instruction
# TODO: Vector Floating-Point Instructions: Vector Floating-Point Move Instruction
# TODO: Vector Floating-Point Instructions: Single-Width Floating-Point/Integer Type-Convert Instructions
# TODO: Vector Floating-Point Instructions: Widening Floating-Point/Integer Type-Convert Instructions
# TODO: Vector Floating-Point Instructions: Narrowing Floating-Point/Integer Type-Convert Instructions
# Vector Floating-Point Instructions: Vector Single-Width Floating-Point Add/Subtract Instructions
"vfadd.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfadd.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfsub.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfsub.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfrsub.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

# Vector Floating-Point Instructions: Vector Widening Floating-Point Add/Subtract Instructions
"vfwadd.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
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These instructions have wide dests so they should use ARITH_WIDE_DEST.

"vfwadd.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfwsub.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfwsub.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfwadd.wv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfwadd.wf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfwsub.wv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfwsub.wf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

# Vector Floating-Point Instructions: Vector Single-Width Floating-Point Multiply/Divide Instructions
"vfmul.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfmul.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfdiv.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 25},
"vfdiv.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 25},

"vfrdiv.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" :25},

# Vector Floating-Point Instructions: Vector Widening Floating-Point Multiply
"vfwmul.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},
"vfwmul.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},

# Vector Floating-Point Instructions: Vector Single-Width Floating-Point Fused Multiply-Add Instructions
"vfmacc.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfmacc.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfnmacc.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfnmacc.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfmsac.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfmsac.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfnmsac.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfnmsac.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfmadd.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfmadd.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfnmadd.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfnmadd.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfmsub.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfmsub.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfnmsub.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfnmsub.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

# Vector Floating-Point Instructions: Vector Widening Floating-Point Fused Multiply-Add Instructions
"vfwmacc.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
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These should use the ARITH_MAC which adds the destination of each uop as a source.

"vfwmacc.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfwnmacc.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfwnmacc.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfwmsac.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfwmsac.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfwnmsac.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfwnmsac.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

# Vector Floating-Point Instructions: Vector Floating-Point Square-Root Instruction
"vfsqrt.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 25},

# TODO: support variable length latency
# Vector Floating-Point Instructions: Vector Floating-Point Reciprocal Square-Root Estimate Instruction
"vfrsqrt7.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 2},

# Vector Floating-Point Instructions: Vector Floating-Point Reciprocal Estimate Instruction
"vfrec7.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 2},

# Vector Floating-Point Instructions: Vector Floating-Point MIN/MAX Instructions
"vfmin.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 1},
"vfmin.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 1},

"vfmax.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 1},
"vfmax.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 1},

# Vector Floating-Point Instructions: Vector Floating-Point Sign-Injection Instructions
"vfsgnj.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 1},
"vfsgnj.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 1},

"vfsgnjn.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 1},
"vfsgnjn.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 1},

"vfsgnjx.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 1},
"vfsgnjx.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 1},

# Vector Floating-Point Instructions: Vector Floating-Point Compare Instructions
"vmfeq.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 2},
"vmfeq.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 2},

"vmfne.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 2},
"vmfne.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 2},

"vmflt.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 2},
"vmflt.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 2},

"vmfle.vv" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 2},
"vmfle.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 2},

"vmfgt.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 2},

"vmfgte.vf" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 2},

# Vector Floating-Point Instructions: Vector Floating-Point Classify Instruction
"vfclass.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 1},

# Vector Floating-Point Instructions: Vector Floating-Point Merge Instruction
"vfmerge.vfm" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 1},

# Vector Floating-Point Instructions: Vector Floating-Point Move Instruction
"vfmv.v.f" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 1},

# Vector Floating-Point Instructions: Single-Width Floating-Point/Integer Type-Convert Instructions
"vfcvt.xu.f.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},
"vfcvt.x.f.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},

"vfcvt.rtz.xu.f.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},
"vfcvt.rtz.x.f.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},

"vfcvt.f.xu.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},
"vfcvt.f.x.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},

# Vector Floating-Point Instructions: Widening Floating-Point/Integer Type-Convert Instructions
"vfwcvt.xu.f.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfwcvt.x.f.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfwcvt.rtz.xu.f.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfwcvt.rtz.x.f.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfwcvt.f.xu.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},
"vfwcvt.f.xu.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

"vfwcvt.f.f.v" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 6},

# Vector Floating-Point Instructions: Narrowing Floating-Point/Integer Type-Convert Instructions
"vfncvt.xu.f.w" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},
"vfncvt.x.f.w" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},

"vfncvt.rtz.xu.f.w" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},
"vfncvt.rtz.x.f.w" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},

"vfncvt.f.xu.w" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},
"vfncvt.f.x.w" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},

"vfncvt.f.f.w" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},
"vfncvt.rod.f.f.w" : {"pipe" : "vfloat", "uop_gen" : "ARITH", "latency" : 3},

# TODO: Vector Reduction Operations: Vector Single-Width Integer Reduction Instructions
# TODO: Vector Reduction Operations: Vector Widening Integer Reduction Instructions
Expand Down Expand Up @@ -305,4 +446,3 @@
with open(JSON, "w") as f:
print("Writing rv64v uarch json to "+JSON)
json.dump(uarch_json, f, indent=4)

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