mirror of https://github.com/rust-lang/rust
30 lines
844 B
Rust
30 lines
844 B
Rust
//@ only-x86_64
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//@ revisions: base avx512
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//@ [avx512]compile-flags: -C target-feature=+avx512f
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#![crate_type = "rlib"]
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use std::arch::asm;
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// CHECK-LABEL: @amx_clobber
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// base: call void asm sideeffect inteldialect "", "~{tmm0}"()
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#[no_mangle]
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pub unsafe fn amx_clobber() {
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asm!("", out("tmm0") _, options(nostack, nomem, preserves_flags));
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}
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// CHECK-LABEL: @avx512_clobber
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// base: call void asm sideeffect inteldialect "", "~{xmm31}"()
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// avx512: call float asm sideeffect inteldialect "", "=&{xmm31}"()
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#[no_mangle]
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pub unsafe fn avx512_clobber() {
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asm!("", out("zmm31") _, options(nostack, nomem, preserves_flags));
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}
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// CHECK-LABEL: @eax_clobber
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// CHECK: call i32 asm sideeffect inteldialect "", "=&{ax}"()
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#[no_mangle]
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pub unsafe fn eax_clobber() {
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asm!("", out("eax") _, options(nostack, nomem, preserves_flags));
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}
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