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add fnv1a example

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This commit is contained in:
Michael McLoughlin
2018-12-13 00:18:44 -08:00
parent b89d211ff4
commit 93b53377ac
8 changed files with 124 additions and 14 deletions
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8
pass/alloc.go
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@@ -60,7 +60,7 @@ func (a *Allocator) Add(r reg.Register) {
if _, found := a.possible[v]; found {
return
}
a.possible[v] = a.registersofsize(v.Bytes())
a.possible[v] = a.possibleregisters(v.Bytes())
}
func (a *Allocator) Allocate() (reg.Allocation, error) {
@@ -146,11 +146,11 @@ func (a *Allocator) remaining() int {
return len(a.possible)
}
// registersofsize returns all registers of the given size.
func (a *Allocator) registersofsize(n uint) []reg.Physical {
// possibleregisters returns all allocate-able registers of the given size.
func (a *Allocator) possibleregisters(n uint) []reg.Physical {
var rs []reg.Physical
for _, r := range a.registers {
if r.Bytes() == n {
if r.Bytes() == n && (r.Info()&reg.Restricted) == 0 {
rs = append(rs, r)
}
}