96 lines
4.6 KiB
Rust
96 lines
4.6 KiB
Rust
//@ add-minicore
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//@ only-x86_64
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//@ revisions: stable experimental_reg
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//@ compile-flags: -C target-feature=+avx2,+avx512f
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#![cfg_attr(experimental_reg, feature(asm_experimental_reg))]
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#![crate_type = "lib"]
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#![feature(no_core)]
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#![no_core]
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extern crate minicore;
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use minicore::*;
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fn main() {
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let mut foo = 0;
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let mut bar = 0;
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unsafe {
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// Bad register/register class
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asm!("{}", in(foo) foo);
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//~^ ERROR invalid register class `foo`: unknown register class
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asm!("", in("foo") foo);
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//~^ ERROR invalid register `foo`: unknown register
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asm!("{:z}", in(reg) foo);
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//~^ ERROR invalid asm template modifier for this register class
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asm!("{:r}", in(xmm_reg) foo);
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//~^ ERROR invalid asm template modifier for this register class
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asm!("{:a}", const 0);
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//~^ ERROR asm template modifiers are not allowed for `const` arguments
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asm!("{:a}", sym main);
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//~^ ERROR asm template modifiers are not allowed for `sym` arguments
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asm!("", in("ebp") foo);
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//~^ ERROR invalid register `ebp`: the frame pointer cannot be used as an operand
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asm!("", in("rsp") foo);
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//~^ ERROR invalid register `rsp`: the stack pointer cannot be used as an operand
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asm!("", in("ip") foo);
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//~^ ERROR invalid register `ip`: the instruction pointer cannot be used as an operand
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asm!("", in("st(2)") foo);
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//~^ ERROR register class `x87_reg` can only be used as a clobber, not as an input or output
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//~| ERROR `i32` cannot be used with this register class
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asm!("", in("mm0") foo);
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//~^ ERROR register class `mmx_reg` can only be used as a clobber, not as an input or output
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//~| ERROR `i32` cannot be used with this register class
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asm!("", in("k0") foo);
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//~^ ERROR register class `kreg0` can only be used as a clobber, not as an input or output
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//~| ERROR `i32` cannot be used with this register class
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asm!("", out("st(2)") _);
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asm!("", out("mm0") _);
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asm!("{}", in(x87_reg) foo);
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//~^ ERROR register class `x87_reg` can only be used as a clobber, not as an input or output
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//~| ERROR `i32` cannot be used with this register class
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asm!("{}", in(mmx_reg) foo);
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//~^ ERROR register class `mmx_reg` can only be used as a clobber, not as an input or output
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//~| ERROR `i32` cannot be used with this register class
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asm!("{}", out(x87_reg) _);
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//~^ ERROR register class `x87_reg` can only be used as a clobber, not as an input or output
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asm!("{}", out(mmx_reg) _);
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//~^ ERROR register class `mmx_reg` can only be used as a clobber, not as an input or output
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// Explicit register conflicts
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// (except in/lateout which don't conflict)
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asm!("", in("eax") foo, in("al") bar);
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//~^ ERROR register `al` conflicts with register `eax`
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//~| ERROR `i32` cannot be used with this register class
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asm!("", in("rax") foo, out("rax") bar);
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//~^ ERROR register `rax` conflicts with register `rax`
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asm!("", in("al") foo, lateout("al") bar);
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//~^ ERROR `i32` cannot be used with this register class
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//~| ERROR `i32` cannot be used with this register class
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asm!("", in("xmm0") foo, in("ymm0") bar);
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//~^ ERROR register `ymm0` conflicts with register `xmm0`
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asm!("", in("xmm0") foo, out("ymm0") bar);
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//~^ ERROR register `ymm0` conflicts with register `xmm0`
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asm!("", in("xmm0") foo, lateout("ymm0") bar);
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// Passing u128/i128 is currently experimental.
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let mut xmmword = 0u128;
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asm!("/* {:x} */", in(xmm_reg) xmmword); // requires asm_experimental_reg
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//[stable]~^ ERROR type `u128` cannot be used with this register class in stable
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asm!("/* {:x} */", out(xmm_reg) xmmword); // requires asm_experimental_reg
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//[stable]~^ ERROR type `u128` cannot be used with this register class in stable
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asm!("/* {:y} */", in(ymm_reg) xmmword); // requires asm_experimental_reg
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//[stable]~^ ERROR type `u128` cannot be used with this register class in stable
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asm!("/* {:y} */", out(ymm_reg) xmmword); // requires asm_experimental_reg
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//[stable]~^ ERROR type `u128` cannot be used with this register class in stable
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asm!("/* {:z} */", in(zmm_reg) xmmword); // requires asm_experimental_reg
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//[stable]~^ ERROR type `u128` cannot be used with this register class in stable
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asm!("/* {:z} */", out(zmm_reg) xmmword); // requires asm_experimental_reg
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//[stable]~^ ERROR type `u128` cannot be used with this register class in stable
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}
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}
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