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compiler: Implement XOR (^x)

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Ayke van Laethem
2018-05-05 18:33:32 +02:00
parent 877d0817ea
commit 3b4621c215
1 changed files with 2 additions and 0 deletions
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tgo.go
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@@ -1140,6 +1140,8 @@ func (c *Compiler) parseUnOp(frame *Frame, unop *ssa.UnOp) (llvm.Value, error) {
return c.builder.CreateSub(llvm.ConstInt(x.Type(), 0, false), x, ""), nil return c.builder.CreateSub(llvm.ConstInt(x.Type(), 0, false), x, ""), nil
case token.MUL: // *x, dereference pointer case token.MUL: // *x, dereference pointer
return c.builder.CreateLoad(x, ""), nil return c.builder.CreateLoad(x, ""), nil
case token.XOR: // ^x, toggle all bits in integer
return c.builder.CreateXor(x, llvm.ConstInt(x.Type(), ^uint64(0), false), ""), nil
default: default:
return llvm.Value{}, errors.New("todo: unknown unop") return llvm.Value{}, errors.New("todo: unknown unop")
} }