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switch memcpy to fallback on windows

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Luke Boswell 2023-09-26 06:41:32 +10:00 • committed by Brendan Hansknecht
parent f1126aae75
commit a77ac8244e
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2 changed files with 17 additions and 9 deletions
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17
crates/compiler/builtins/bitcode/src/libc.zig
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@ -24,14 +24,19 @@ pub var memcpy_target: Memcpy = switch (arch) {
};
pub fn memcpy(noalias dest: [*]u8, noalias src: [*]const u8, len: usize) callconv(.C) [*]u8 {
switch (arch) {
// x86_64 has a special optimized memcpy that can use avx2.
.x86_64 => {
return memcpy_target(dest, src, len);
},
else => {
switch (builtin.os.tag) {
.windows => {
return musl.memcpy(dest, src, len);
},
else => switch (arch) {
// x86_64 has a special optimized memcpy that can use avx2.
.x86_64 => {
return memcpy_target(dest, src, len);
},
else => {
return musl.memcpy(dest, src, len);
},
},
}
}

9
crates/compiler/builtins/bitcode/src/libc/musl/memcpy.zig
View file

@ -17,9 +17,12 @@ comptime {
}
pub const memcpy =
switch (arch) {
.x86_64, .x86 => musl_memcpy,
else => fallback_memcpy,
switch (builtin.os.tag) {
.windows => fallback_memcpy,
else => switch (arch) {
.x86_64, .x86 => musl_memcpy,
else => fallback_memcpy,
},
};
pub extern fn musl_memcpy(noalias dest: [*]u8, noalias src: [*]const u8, len: usize) callconv(.C) [*]u8;