FPSCR fields in MSB0:
-| Bits | Mnemonic | Description |
-|-------|----------|-------------------------------------------------------------------------|
-| 0:28 | | Reserved |
-| 29:31 | DRN | Decimal Rounding Mode |
-| 32 | FX | Floating-Point Exception Summary |
-| 33 | FEX | Floating-Point Enabled Exception Summary |
-| 34 | VX | Floating-Point Invalid Operation Exception Summary |
-| 35 | OX | Floating-Point Overflow Exception |
-| 36 | UX | Floating-Point Underflow Exception |
-| 37 | ZX | Floating-Point Zero Divide Exception |
-| 38 | XX | Floating-Point Inexact Exception |
-| 39 | VXSNAN | Floating-Point Invalid Operation Exception (SNaN) |
-| 40 | VXISI | Floating-Point Invalid Operation Exception (∞ - ∞) |
-| 41 | VXIDI | Floating-Point Invalid Operation Exception (∞ ÷ ∞) |
-| 42 | VXZDZ | Floating-Point Invalid Operation Exception (0 ÷ 0) |
-| 43 | VXIMZ | Floating-Point Invalid Operation Exception (∞ × 0) |
-| 44 | VXVC | Floating-Point Invalid Operation Exception (Invalid Compare) |
-| 45 | FR | Floating-Point Fraction Rounded |
-| 46 | FI | Floating-Point Fraction Inexact |
-| 47:51 | FPRF | Floating-Point Result Flags |
-| 47 | C | Floating-Point Result Class Descriptor |
-| 48:51 | FPCC | Floating-Point Condition Code |
-| 48 | FL | Floating-Point Less Than or Negative |
-| 49 | FG | Floating-Point Greater Than or Positive |
-| 50 | FE | Floating-Point Equal or Zero |
-| 51 | FU | Floating-Point Unordered or NaN |
-| 52 | | Reserved |
-| 53 | VXSOFT | Floating-Point Invalid Operation Exception (Software-Defined Condition) |
-| 54 | VXSQRT | Floating-Point Invalid Operation Exception (Invalid Square Root) |
-| 55 | VXCVI | Floating-Point Invalid Operation Exception (Invalid Integer Convert) |
-| 56 | VE | Floating-Point Invalid Operation Exception Enable |
-| 57 | OE | Floating-Point Overflow Exception Enable |
-| 58 | UE | Floating-Point Underflow Exception Enable |
-| 59 | ZE | Floating-Point Zero Divide Exception Enable |
-| 60 | XE | Floating-Point Inexact Exception Enable |
-| 61 | NI | Floating-Point Non-IEEE Mode |
-| 62:63 | RN | Floating-Point Rounding Control |
+|Bits |Mnemonic | Description |
+|-----|---------|-------------------------------------------------------------|
+|0:28 | | Reserved |
+|29:31| DRN | Decimal Rounding Mode |
+|32 | FX | FP Exception Summary |
+|33 | FEX | FP Enabled Exception Summary |
+|34 | VX | FP Invalid Operation Exception Summary |
+|35 | OX | FP Overflow Exception |
+|36 | UX | FP Underflow Exception |
+|37 | ZX | FP Zero Divide Exception |
+|38 | XX | FP Inexact Exception |
+|39 | VXSNAN | FP Invalid Operation Exception (SNaN) |
+|40 | VXISI | FP Invalid Operation Exception (∞ - ∞) |
+|41 | VXIDI | FP Invalid Operation Exception (∞ ÷ ∞) |
+|42 | VXZDZ | FP Invalid Operation Exception (0 ÷ 0) |
+|43 | VXIMZ | FP Invalid Operation Exception (∞ × 0) |
+|44 | VXVC | FP Invalid Operation Exception (Invalid Compare) |
+|45 | FR | FP Fraction Rounded |
+|46 | FI | FP Fraction Inexact |
+|47:51| FPRF | FP Result Flags |
+|47 | C | FP Result Class Descriptor |
+|48:51| FPCC | FP Condition Code |
+|48 | FL | FP Less Than or Negative |
+|49 | FG | FP Greater Than or Positive |
+|50 | FE | FP Equal or Zero |
+|51 | FU | FP Unordered or NaN |
+|52 | | Reserved |
+|53 | VXSOFT | FP Invalid Operation Exception (Software-Defined Condition) |
+|54 | VXSQRT | FP Invalid Operation Exception (Invalid Square Root) |
+|55 | VXCVI | FP Invalid Operation Exception (Invalid Integer Convert) |
+|56 | VE | FP Invalid Operation Exception Enable |
+|57 | OE | FP Overflow Exception Enable |
+|58 | UE | FP Underflow Exception Enable |
+|59 | ZE | FP Zero Divide Exception Enable |
+|60 | XE | FP Inexact Exception Enable |
+|61 | NI | FP Non-IEEE Mode |
+|62:63| RN | FP Rounding Control |
"""
from nmigen import Record
projects / openpower-isa.git / commitdiff