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reg: doc exported symbols (#9)

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This commit is contained in:
Michael McLoughlin
2019-01-04 22:06:00 -08:00
parent 2e250a6f4c
commit dc571a47df
3 changed files with 55 additions and 15 deletions
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31
reg/collection.go
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@@ -1,35 +1,48 @@
package reg
// Collection represents a collection of virtual registers. This is primarily
// useful for allocating virtual registers with distinct IDs.
type Collection struct {
vid map[Kind]VID
}
// NewCollection builds an empty register collection.
func NewCollection() *Collection {
return &Collection{
vid: map[Kind]VID{},
}
}
// VirtualRegister allocates and returns a new virtual register of the given kind and size.
func (c *Collection) VirtualRegister(k Kind, s Size) Virtual {
vid := c.vid[k]
c.vid[k]++
return NewVirtual(vid, k, s)
}
func (c *Collection) GP8() GPVirtual { return c.GPv(B8) }
// GP8 allocates and returns a general-purpose 8-bit register.
func (c *Collection) GP8() GPVirtual { return c.GP(B8) }
func (c *Collection) GP16() GPVirtual { return c.GPv(B16) }
// GP16 allocates and returns a general-purpose 16-bit register.
func (c *Collection) GP16() GPVirtual { return c.GP(B16) }
func (c *Collection) GP32() GPVirtual { return c.GPv(B32) }
// GP32 allocates and returns a general-purpose 32-bit register.
func (c *Collection) GP32() GPVirtual { return c.GP(B32) }
func (c *Collection) GP64() GPVirtual { return c.GPv(B64) }
// GP64 allocates and returns a general-purpose 64-bit register.
func (c *Collection) GP64() GPVirtual { return c.GP(B64) }
func (c *Collection) GPv(s Size) GPVirtual { return newgpv(c.VirtualRegister(KindGP, s)) }
// GP allocates and returns a general-purpose register of the given size.
func (c *Collection) GP(s Size) GPVirtual { return newgpv(c.VirtualRegister(KindGP, s)) }
func (c *Collection) XMM() VecVirtual { return c.Vecv(B128) }
// XMM allocates and returns a 128-bit vector register.
func (c *Collection) XMM() VecVirtual { return c.Vec(B128) }
func (c *Collection) YMM() VecVirtual { return c.Vecv(B256) }
// YMM allocates and returns a 256-bit vector register.
func (c *Collection) YMM() VecVirtual { return c.Vec(B256) }
func (c *Collection) ZMM() VecVirtual { return c.Vecv(B512) }
// ZMM allocates and returns a 512-bit vector register.
func (c *Collection) ZMM() VecVirtual { return c.Vec(B512) }
func (c *Collection) Vecv(s Size) VecVirtual { return newvecv(c.VirtualRegister(KindVector, s)) }
// Vec allocates and returns a vector register of the given size.
func (c *Collection) Vec(s Size) VecVirtual { return newvecv(c.VirtualRegister(KindVector, s)) }