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Remove copy_nonoverlapping intrinsic definition

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It has been getting lowered to a dedicated MIR statement for a while
This commit is contained in:
bjorn3 2023-03-05 19:50:21 +00:00
parent 906b00e111
commit 1ed6b05145
1 changed files with 3 additions and 8 deletions
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11
src/intrinsics/mod.rs
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@ -388,7 +388,7 @@ fn codegen_regular_intrinsic_call<'tcx>(
fx.bcx.ins().debugtrap();
}
sym::copy | sym::copy_nonoverlapping => {
sym::copy => {
intrinsic_args!(fx, args => (src, dst, count); intrinsic);
let src = src.load_scalar(fx);
let dst = dst.load_scalar(fx);
@ -400,13 +400,8 @@ fn codegen_regular_intrinsic_call<'tcx>(
let byte_amount =
if elem_size != 1 { fx.bcx.ins().imul_imm(count, elem_size as i64) } else { count };
if intrinsic == sym::copy_nonoverlapping {
// FIXME emit_small_memcpy
fx.bcx.call_memcpy(fx.target_config, dst, src, byte_amount);
} else {
// FIXME emit_small_memmove
fx.bcx.call_memmove(fx.target_config, dst, src, byte_amount);
}
// FIXME emit_small_memmove
fx.bcx.call_memmove(fx.target_config, dst, src, byte_amount);
}
sym::volatile_copy_memory | sym::volatile_copy_nonoverlapping_memory => {
// NOTE: the volatile variants have src and dst swapped