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compiler: move LLVM math builtin support into the compiler

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This simplifies src/runtime/math.go, which I eventually want to remove
entirely by moving the given functionality into the compiler.
This commit is contained in:
Ayke van Laethem
2021-08-06 15:49:02 +02:00
committed by Ron Evans
parent ca7c849da3
commit 58565b42cc
7 changed files with 138 additions and 37 deletions
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src/runtime/math.go
+4 -36
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@@ -56,15 +56,7 @@ func math_Cbrt(x float64) float64 { return math_cbrt(x) }
func math_cbrt(x float64) float64
//go:linkname math_Ceil math.Ceil
func math_Ceil(x float64) float64 {
if GOARCH == "arm64" || GOARCH == "wasm" {
return llvm_ceil(x)
}
return math_ceil(x)
}
//export llvm.ceil.f64
func llvm_ceil(x float64) float64
func math_Ceil(x float64) float64 { return math_ceil(x) }
//go:linkname math_ceil math.ceil
func math_ceil(x float64) float64
@@ -112,15 +104,7 @@ func math_Exp2(x float64) float64 { return math_exp2(x) }
func math_exp2(x float64) float64
//go:linkname math_Floor math.Floor
func math_Floor(x float64) float64 {
if GOARCH == "arm64" || GOARCH == "wasm" {
return llvm_floor(x)
}
return math_floor(x)
}
//export llvm.floor.f64
func llvm_floor(x float64) float64
func math_Floor(x float64) float64 { return math_floor(x) }
//go:linkname math_floor math.floor
func math_floor(x float64) float64
@@ -216,15 +200,7 @@ func math_Sinh(x float64) float64 { return math_sinh(x) }
func math_sinh(x float64) float64
//go:linkname math_Sqrt math.Sqrt
func math_Sqrt(x float64) float64 {
if GOARCH == "386" || GOARCH == "amd64" || GOARCH == "wasm" {
return llvm_sqrt(x)
}
return math_sqrt(x)
}
//export llvm.sqrt.f64
func llvm_sqrt(x float64) float64
func math_Sqrt(x float64) float64 { return math_sqrt(x) }
//go:linkname math_sqrt math.sqrt
func math_sqrt(x float64) float64
@@ -242,15 +218,7 @@ func math_Tanh(x float64) float64 { return math_tanh(x) }
func math_tanh(x float64) float64
//go:linkname math_Trunc math.Trunc
func math_Trunc(x float64) float64 {
if GOARCH == "arm64" || GOARCH == "wasm" {
return llvm_trunc(x)
}
return math_trunc(x)
}
//export llvm.trunc.f64
func llvm_trunc(x float64) float64
func math_Trunc(x float64) float64 { return math_trunc(x) }
//go:linkname math_trunc math.trunc
func math_trunc(x float64) float64