50 lines
1 KiB
C++
50 lines
1 KiB
C++
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#pragma once
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#include <cstdint>
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// Source file for general values and data structures
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// that don't fit a particular criteria related to the ISA.
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namespace biscuit {
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enum class FenceOrder : uint32_t {
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W = 1, // Write
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R = 2, // Read
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O = 4, // Device Output
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I = 8, // Device Input
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RW = R | W,
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IO = I | O,
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IR = I | R,
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IW = I | W,
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IRW = I | R | W,
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OI = O | I,
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OR = O | R,
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OW = O | W,
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ORW = O | R | W,
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IORW = I | O | R | W,
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};
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// Atomic ordering
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enum class Ordering : uint32_t {
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None = 0, // None
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RL = 1, // Release
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AQ = 2, // Acquire
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AQRL = AQ | RL, // Acquire-Release
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};
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// Floating-point Rounding Mode
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enum class RMode : uint32_t {
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RNE = 0b000, // Round to Nearest, ties to Even
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RTZ = 0b001, // Round towards Zero
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RDN = 0b010, // Round Down (towards negative infinity)
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RUP = 0b011, // Round Up (towards positive infinity)
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RMM = 0b100, // Round to Nearest, ties to Max Magnitude
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DYN = 0b111, // Dynamic Rounding Mode
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};
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} // namespace biscuit
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