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runtime: implement memmove intrinsic

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This should fix the following issue:
https://github.com/tinygo-org/tinygo/issues/252
This commit is contained in:
Ayke van Laethem
2019-04-01 13:33:40 +02:00
committed by Ron Evans
parent 38f8cf7bee
commit b64fc5484a
1 changed files with 8 additions and 2 deletions
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src/runtime/runtime_cortexm.go
+8 -2
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@@ -46,10 +46,16 @@ func abort() {
} }
} }
// Implement memset for compiler-rt. // Implement memset for LLVM and compiler-rt.
//go:export memset //go:export memset
func memset(ptr unsafe.Pointer, c byte, size uintptr) { func libc_memset(ptr unsafe.Pointer, c byte, size uintptr) {
for i := uintptr(0); i < size; i++ { for i := uintptr(0); i < size; i++ {
*(*byte)(unsafe.Pointer(uintptr(ptr) + i)) = c *(*byte)(unsafe.Pointer(uintptr(ptr) + i)) = c
} }
} }
// Implement memmove for LLVM and compiler-rt.
//go:export memmove
func libc_memmove(dst, src unsafe.Pointer, size uintptr) {
memmove(dst, src, size)
}