mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-26 00:34:06 +00:00
35 lines
1017 B
Rust
35 lines
1017 B
Rust
//@ compile-flags: -O -C no-prepopulate-passes
|
|
//@ only-x86_64 (it's using arch-specific types)
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
use std::arch::x86_64::{__m128, __m128i, __m256i};
|
|
use std::mem::transmute;
|
|
|
|
// CHECK-LABEL: @check_sse_float_to_int(
|
|
#[no_mangle]
|
|
pub unsafe fn check_sse_float_to_int(x: __m128) -> __m128i {
|
|
// CHECK-NOT: alloca
|
|
// CHECK: %0 = load <4 x float>, ptr %x, align 16
|
|
// CHECK: store <4 x float> %0, ptr %_0, align 16
|
|
transmute(x)
|
|
}
|
|
|
|
// CHECK-LABEL: @check_sse_pair_to_avx(
|
|
#[no_mangle]
|
|
pub unsafe fn check_sse_pair_to_avx(x: (__m128i, __m128i)) -> __m256i {
|
|
// CHECK-NOT: alloca
|
|
// CHECK: %0 = load <4 x i64>, ptr %x, align 16
|
|
// CHECK: store <4 x i64> %0, ptr %_0, align 32
|
|
transmute(x)
|
|
}
|
|
|
|
// CHECK-LABEL: @check_sse_pair_from_avx(
|
|
#[no_mangle]
|
|
pub unsafe fn check_sse_pair_from_avx(x: __m256i) -> (__m128i, __m128i) {
|
|
// CHECK-NOT: alloca
|
|
// CHECK: %0 = load <4 x i64>, ptr %x, align 32
|
|
// CHECK: store <4 x i64> %0, ptr %_0, align 16
|
|
transmute(x)
|
|
}
|