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Use runtime.mem_copy in package me

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This commit is contained in:
gingerBill
2019-11-03 19:59:41 +00:00
parent c1176c2bcb
commit 40546fbde2
2 changed files with 20 additions and 26 deletions
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core/mem/mem.odin
+4 -26
View File
@@ -1,5 +1,7 @@
package mem
import "core:runtime"
foreign _ {
@(link_name = "llvm.bswap.i16") swap16 :: proc(b: u16) -> u16 ---;
@(link_name = "llvm.bswap.i32") swap32 :: proc(b: u32) -> u32 ---;
@@ -38,34 +40,10 @@ zero_slice :: proc "contextless" (data: $T/[]$E) {
copy :: proc "contextless" (dst, src: rawptr, len: int) -> rawptr {
if src == nil do return dst;
// NOTE(bill): This _must_ be implemented like C's memmove
foreign _ {
when size_of(rawptr) == 8 {
@(link_name="llvm.memmove.p0i8.p0i8.i64")
llvm_memmove :: proc(dst, src: rawptr, len: int, align: i32, is_volatile: bool) ---;
} else {
@(link_name="llvm.memmove.p0i8.p0i8.i32")
llvm_memmove :: proc(dst, src: rawptr, len: int, align: i32, is_volatile: bool) ---;
}
}
llvm_memmove(dst, src, len, 1, false);
return dst;
return runtime.mem_copy(dst, src, len);
}
copy_non_overlapping :: proc "contextless" (dst, src: rawptr, len: int) -> rawptr {
if src == nil do return dst;
// NOTE(bill): This _must_ be implemented like C's memcpy
foreign _ {
when size_of(rawptr) == 8 {
@(link_name="llvm.memcpy.p0i8.p0i8.i64")
llvm_memcpy :: proc(dst, src: rawptr, len: int, align: i32, is_volatile: bool) ---;
} else {
@(link_name="llvm.memcpy.p0i8.p0i8.i32")
llvm_memcpy :: proc(dst, src: rawptr, len: int, align: i32, is_volatile: bool) ---;
}
}
llvm_memcpy(dst, src, len, 1, false);
return dst;
return runtime.mem_copy_non_overlapping(dst, src, len);
}
compare :: inline proc "contextless" (a, b: []byte) -> int {
return compare_byte_ptrs(&a[0], &b[0], min(len(a), len(b)));
core/runtime/internal.odin
+16
View File
@@ -18,6 +18,22 @@ mem_copy :: proc "contextless" (dst, src: rawptr, len: int) -> rawptr {
return dst;
}
mem_copy_non_overlapping :: proc "contextless" (dst, src: rawptr, len: int) -> rawptr {
if src == nil do return dst;
// NOTE(bill): This _must_ be implemented like C's memmove
foreign _ {
when size_of(rawptr) == 8 {
@(link_name="llvm.memmove.p0i8.p0i8.i64")
llvm_memmove :: proc(dst, src: rawptr, len: int, align: i32, is_volatile: bool) ---;
} else {
@(link_name="llvm.memmove.p0i8.p0i8.i32")
llvm_memmove :: proc(dst, src: rawptr, len: int, align: i32, is_volatile: bool) ---;
}
}
llvm_memmove(dst, src, len, 1, false);
return dst;
}
print_u64 :: proc(fd: os.Handle, x: u64) {
digits := "0123456789";