make #[target_feature] work with asm register classes
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asquared31415
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271da7d8bc
7 changed files with 213 additions and 112 deletions
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@ -21,10 +21,6 @@ fn main() {
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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(zmm_reg) foo);
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//~^ ERROR register class `zmm_reg` requires the `avx512f` target feature
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asm!("", in("zmm0") foo);
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//~^ ERROR register class `zmm_reg` requires the `avx512f` target feature
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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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@ -46,86 +46,74 @@ LL | asm!("{:a}", sym main);
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| |
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| template modifier
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error: register class `zmm_reg` requires the `avx512f` target feature
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--> $DIR/bad-reg.rs:24:20
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LL | asm!("{}", in(zmm_reg) foo);
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| ^^^^^^^^^^^^^^^
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error: register class `zmm_reg` requires the `avx512f` target feature
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--> $DIR/bad-reg.rs:26:18
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LL | asm!("", in("zmm0") foo);
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| ^^^^^^^^^^^^^^
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error: invalid register `ebp`: the frame pointer cannot be used as an operand for inline asm
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--> $DIR/bad-reg.rs:28:18
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--> $DIR/bad-reg.rs:24:18
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LL | asm!("", in("ebp") foo);
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| ^^^^^^^^^^^^^
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error: invalid register `rsp`: the stack pointer cannot be used as an operand for inline asm
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--> $DIR/bad-reg.rs:30:18
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--> $DIR/bad-reg.rs:26:18
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LL | asm!("", in("rsp") foo);
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| ^^^^^^^^^^^^^
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error: invalid register `ip`: the instruction pointer cannot be used as an operand for inline asm
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--> $DIR/bad-reg.rs:32:18
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--> $DIR/bad-reg.rs:28:18
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LL | asm!("", in("ip") foo);
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| ^^^^^^^^^^^^
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error: invalid register `k0`: the k0 AVX mask register cannot be used as an operand for inline asm
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--> $DIR/bad-reg.rs:34:18
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--> $DIR/bad-reg.rs:30:18
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LL | asm!("", in("k0") foo);
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| ^^^^^^^^^^^^
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error: invalid register `ah`: high byte registers cannot be used as an operand on x86_64
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--> $DIR/bad-reg.rs:36:18
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--> $DIR/bad-reg.rs:32:18
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LL | asm!("", in("ah") foo);
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| ^^^^^^^^^^^^
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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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--> $DIR/bad-reg.rs:39:18
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--> $DIR/bad-reg.rs:35:18
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LL | asm!("", in("st(2)") foo);
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| ^^^^^^^^^^^^^^^
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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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--> $DIR/bad-reg.rs:41:18
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--> $DIR/bad-reg.rs:37:18
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LL | asm!("", in("mm0") foo);
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| ^^^^^^^^^^^^^
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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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--> $DIR/bad-reg.rs:45:20
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--> $DIR/bad-reg.rs:41:20
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LL | asm!("{}", in(x87_reg) foo);
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| ^^^^^^^^^^^^^^^
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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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--> $DIR/bad-reg.rs:47:20
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--> $DIR/bad-reg.rs:43:20
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LL | asm!("{}", in(mmx_reg) foo);
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| ^^^^^^^^^^^^^^^
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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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--> $DIR/bad-reg.rs:49:20
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--> $DIR/bad-reg.rs:45:20
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LL | asm!("{}", out(x87_reg) _);
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| ^^^^^^^^^^^^^^
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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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--> $DIR/bad-reg.rs:51:20
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--> $DIR/bad-reg.rs:47:20
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LL | asm!("{}", out(mmx_reg) _);
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| ^^^^^^^^^^^^^^
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error: register `al` conflicts with register `ax`
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--> $DIR/bad-reg.rs:57:33
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--> $DIR/bad-reg.rs:53:33
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LL | asm!("", in("eax") foo, in("al") bar);
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| ------------- ^^^^^^^^^^^^ register `al`
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@ -133,7 +121,7 @@ LL | asm!("", in("eax") foo, in("al") bar);
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| register `ax`
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error: register `ax` conflicts with register `ax`
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--> $DIR/bad-reg.rs:59:33
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--> $DIR/bad-reg.rs:55:33
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LL | asm!("", in("rax") foo, out("rax") bar);
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| ------------- ^^^^^^^^^^^^^^ register `ax`
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@ -141,13 +129,13 @@ LL | asm!("", in("rax") foo, out("rax") bar);
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| register `ax`
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help: use `lateout` instead of `out` to avoid conflict
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--> $DIR/bad-reg.rs:59:18
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--> $DIR/bad-reg.rs:55:18
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LL | asm!("", in("rax") foo, out("rax") bar);
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| ^^^^^^^^^^^^^
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error: register `ymm0` conflicts with register `xmm0`
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--> $DIR/bad-reg.rs:62:34
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--> $DIR/bad-reg.rs:58:34
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LL | asm!("", in("xmm0") foo, in("ymm0") bar);
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| -------------- ^^^^^^^^^^^^^^ register `ymm0`
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@ -155,7 +143,7 @@ LL | asm!("", in("xmm0") foo, in("ymm0") bar);
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| register `xmm0`
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error: register `ymm0` conflicts with register `xmm0`
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--> $DIR/bad-reg.rs:64:34
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--> $DIR/bad-reg.rs:60:34
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LL | asm!("", in("xmm0") foo, out("ymm0") bar);
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| -------------- ^^^^^^^^^^^^^^^ register `ymm0`
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@ -163,10 +151,10 @@ LL | asm!("", in("xmm0") foo, out("ymm0") bar);
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| register `xmm0`
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help: use `lateout` instead of `out` to avoid conflict
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--> $DIR/bad-reg.rs:64:18
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--> $DIR/bad-reg.rs:60:18
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LL | asm!("", in("xmm0") foo, out("ymm0") bar);
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| ^^^^^^^^^^^^^^
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error: aborting due to 23 previous errors
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error: aborting due to 21 previous errors
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40
src/test/ui/asm/x86_64/target-feature-attr.rs
Normal file
40
src/test/ui/asm/x86_64/target-feature-attr.rs
Normal file
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@ -0,0 +1,40 @@
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// only-x86_64
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#![feature(asm, avx512_target_feature)]
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#[target_feature(enable = "avx")]
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unsafe fn foo() {
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let mut x = 1;
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let y = 2;
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asm!("vaddps {2:y}, {0:y}, {1:y}", in(ymm_reg) x, in(ymm_reg) y, lateout(ymm_reg) x);
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assert_eq!(x, 3);
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}
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unsafe fn bar() {
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let mut x = 1;
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let y = 2;
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asm!("vaddps {2:y}, {0:y}, {1:y}", in(ymm_reg) x, in(ymm_reg) y, lateout(ymm_reg) x);
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//~^ ERROR: register class `ymm_reg` requires the `avx` target feature
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//~| ERROR: register class `ymm_reg` requires the `avx` target feature
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//~| ERROR: register class `ymm_reg` requires the `avx` target feature
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assert_eq!(x, 3);
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}
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#[target_feature(enable = "avx512bw")]
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unsafe fn baz() {
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let x = 1;
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asm!("/* {0} */", in(kreg) x);
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}
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unsafe fn baz2() {
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let x = 1;
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asm!("/* {0} */", in(kreg) x);
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//~^ ERROR: register class `kreg` requires at least one of the following target features: avx512bw, avx512f
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}
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fn main() {
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unsafe {
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foo();
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bar();
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}
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}
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26
src/test/ui/asm/x86_64/target-feature-attr.stderr
Normal file
26
src/test/ui/asm/x86_64/target-feature-attr.stderr
Normal file
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@ -0,0 +1,26 @@
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error: register class `ymm_reg` requires the `avx` target feature
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--> $DIR/target-feature-attr.rs:16:40
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LL | asm!("vaddps {2:y}, {0:y}, {1:y}", in(ymm_reg) x, in(ymm_reg) y, lateout(ymm_reg) x);
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| ^^^^^^^^^^^^^
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error: register class `ymm_reg` requires the `avx` target feature
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--> $DIR/target-feature-attr.rs:16:55
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LL | asm!("vaddps {2:y}, {0:y}, {1:y}", in(ymm_reg) x, in(ymm_reg) y, lateout(ymm_reg) x);
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| ^^^^^^^^^^^^^
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error: register class `ymm_reg` requires the `avx` target feature
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--> $DIR/target-feature-attr.rs:16:70
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LL | asm!("vaddps {2:y}, {0:y}, {1:y}", in(ymm_reg) x, in(ymm_reg) y, lateout(ymm_reg) x);
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| ^^^^^^^^^^^^^^^^^^
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error: register class `kreg` requires at least one of the following target features: avx512bw, avx512f
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--> $DIR/target-feature-attr.rs:31:23
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LL | asm!("/* {0} */", in(kreg) x);
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| ^^^^^^^^^^
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error: aborting due to 4 previous errors
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