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https://github.com/rust-lang/rust
synced 2024-07-20 18:05:58 +00:00
Add inline comments why we're forcing the target cpu
This commit is contained in:
Josh Stone
parent
706f06c39a
commit
1b79bb937f
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@ -1,6 +1,7 @@
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// verify that simd mask reductions do not introduce additional bit shift operations
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//@ revisions: x86 aarch64
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//@ [x86] compile-flags: --target=x86_64-unknown-linux-gnu -C llvm-args=-x86-asm-syntax=intel
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// Set the base cpu explicitly, in case the default has been changed.
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//@ [x86] compile-flags: -C target-cpu=x86-64
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//@ [x86] needs-llvm-components: x86
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//@ [aarch64] compile-flags: --target=aarch64-unknown-linux-gnu
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@ -2,6 +2,7 @@
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// so check to make sure that's what it's actually emitting.
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//@ assembly-output: emit-asm
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// Set the base cpu explicitly, in case the default has been changed.
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//@ compile-flags: --crate-type=lib -O -C llvm-args=-x86-asm-syntax=intel -C target-cpu=x86-64
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//@ only-x86_64
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//@ ignore-sgx
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@ -1,4 +1,5 @@
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//@ only-x86_64
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// Set the base cpu explicitly, in case the default has been changed.
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//@ compile-flags: -Copt-level=3 -Ctarget-cpu=x86-64
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#![crate_type = "lib"]
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@ -1,4 +1,5 @@
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//@ only-x86_64
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// Set the base cpu explicitly, in case the default has been changed.
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//@ compile-flags: -C target-cpu=x86-64
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#![feature(avx512_target_feature)]
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@ -1,23 +1,23 @@
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error: register class `ymm_reg` requires the `avx` target feature
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--> $DIR/target-feature-attr.rs:19:40
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--> $DIR/target-feature-attr.rs:20:40
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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:19:55
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--> $DIR/target-feature-attr.rs:20:55
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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:19:70
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--> $DIR/target-feature-attr.rs:20:70
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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:34:23
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--> $DIR/target-feature-attr.rs:35:23
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LL | asm!("/* {0} */", in(kreg) x);
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| ^^^^^^^^^^
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@ -1,4 +1,5 @@
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//@ only-x86_64
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// Set the base cpu explicitly, in case the default has been changed.
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//@ compile-flags: -C target-cpu=x86-64 -C target-feature=+ssse3
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#![crate_type = "lib"]
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@ -1,5 +1,5 @@
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error[E0080]: evaluation of constant value failed
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--> $DIR/const_fn_target_feature.rs:10:24
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--> $DIR/const_fn_target_feature.rs:11:24
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LL | const B: () = unsafe { avx2_fn() };
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| ^^^^^^^^^ calling a function that requires unavailable target features: avx2
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@ -1,4 +1,5 @@
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//@ only-x86_64
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// Set the base cpu explicitly, in case the default has been changed.
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//@ compile-flags: -C target-cpu=x86-64
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#![feature(target_feature_11)]
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@ -1,5 +1,5 @@
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error[E0133]: call to function `sse2` with `#[target_feature]` is unsafe and requires unsafe function or block
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--> $DIR/safe-calls.rs:26:5
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--> $DIR/safe-calls.rs:27:5
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LL | sse2();
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| ^^^^^^ call to function with `#[target_feature]`
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@ -8,7 +8,7 @@ LL | sse2();
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= note: the sse2 target feature being enabled in the build configuration does not remove the requirement to list it in `#[target_feature]`
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error[E0133]: call to function `avx_bmi2` with `#[target_feature]` is unsafe and requires unsafe function or block
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--> $DIR/safe-calls.rs:28:5
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--> $DIR/safe-calls.rs:29:5
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LL | avx_bmi2();
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| ^^^^^^^^^^ call to function with `#[target_feature]`
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@ -16,7 +16,7 @@ LL | avx_bmi2();
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= help: in order for the call to be safe, the context requires the following additional target features: avx and bmi2
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error[E0133]: call to function `Quux::avx_bmi2` with `#[target_feature]` is unsafe and requires unsafe function or block
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--> $DIR/safe-calls.rs:30:5
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--> $DIR/safe-calls.rs:31:5
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LL | Quux.avx_bmi2();
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| ^^^^^^^^^^^^^^^ call to function with `#[target_feature]`
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@ -24,7 +24,7 @@ LL | Quux.avx_bmi2();
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= help: in order for the call to be safe, the context requires the following additional target features: avx and bmi2
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error[E0133]: call to function `avx_bmi2` with `#[target_feature]` is unsafe and requires unsafe function or block
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--> $DIR/safe-calls.rs:36:5
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--> $DIR/safe-calls.rs:37:5
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LL | avx_bmi2();
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| ^^^^^^^^^^ call to function with `#[target_feature]`
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@ -32,7 +32,7 @@ LL | avx_bmi2();
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= help: in order for the call to be safe, the context requires the following additional target features: avx and bmi2
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error[E0133]: call to function `Quux::avx_bmi2` with `#[target_feature]` is unsafe and requires unsafe function or block
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--> $DIR/safe-calls.rs:38:5
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--> $DIR/safe-calls.rs:39:5
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LL | Quux.avx_bmi2();
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| ^^^^^^^^^^^^^^^ call to function with `#[target_feature]`
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@ -40,7 +40,7 @@ LL | Quux.avx_bmi2();
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= help: in order for the call to be safe, the context requires the following additional target features: avx and bmi2
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error[E0133]: call to function `sse2` with `#[target_feature]` is unsafe and requires unsafe function or block
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--> $DIR/safe-calls.rs:44:5
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--> $DIR/safe-calls.rs:45:5
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LL | sse2();
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| ^^^^^^ call to function with `#[target_feature]`
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@ -49,7 +49,7 @@ LL | sse2();
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= note: the sse2 target feature being enabled in the build configuration does not remove the requirement to list it in `#[target_feature]`
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error[E0133]: call to function `avx_bmi2` with `#[target_feature]` is unsafe and requires unsafe function or block
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--> $DIR/safe-calls.rs:46:5
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--> $DIR/safe-calls.rs:47:5
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LL | avx_bmi2();
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| ^^^^^^^^^^ call to function with `#[target_feature]`
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@ -57,7 +57,7 @@ LL | avx_bmi2();
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= help: in order for the call to be safe, the context requires the following additional target feature: bmi2
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error[E0133]: call to function `Quux::avx_bmi2` with `#[target_feature]` is unsafe and requires unsafe function or block
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--> $DIR/safe-calls.rs:48:5
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--> $DIR/safe-calls.rs:49:5
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LL | Quux.avx_bmi2();
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| ^^^^^^^^^^^^^^^ call to function with `#[target_feature]`
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@ -65,7 +65,7 @@ LL | Quux.avx_bmi2();
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= help: in order for the call to be safe, the context requires the following additional target feature: bmi2
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error[E0133]: call to function `sse2` with `#[target_feature]` is unsafe and requires unsafe function or block
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--> $DIR/safe-calls.rs:55:5
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--> $DIR/safe-calls.rs:56:5
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LL | sse2();
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| ^^^^^^ call to function with `#[target_feature]`
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@ -74,7 +74,7 @@ LL | sse2();
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= note: the sse2 target feature being enabled in the build configuration does not remove the requirement to list it in `#[target_feature]`
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error[E0133]: call to function `sse2` with `#[target_feature]` is unsafe and requires unsafe function or block
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--> $DIR/safe-calls.rs:59:15
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--> $DIR/safe-calls.rs:60:15
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LL | const _: () = sse2();
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| ^^^^^^ call to function with `#[target_feature]`
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@ -83,7 +83,7 @@ LL | const _: () = sse2();
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= note: the sse2 target feature being enabled in the build configuration does not remove the requirement to list it in `#[target_feature]`
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error[E0133]: call to function `sse2_and_fxsr` with `#[target_feature]` is unsafe and requires unsafe function or block
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--> $DIR/safe-calls.rs:62:15
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--> $DIR/safe-calls.rs:63:15
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LL | const _: () = sse2_and_fxsr();
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| ^^^^^^^^^^^^^^^ call to function with `#[target_feature]`
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@ -92,7 +92,7 @@ LL | const _: () = sse2_and_fxsr();
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= note: the fxsr and sse2 target features being enabled in the build configuration does not remove the requirement to list them in `#[target_feature]`
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error: call to function `sse2` with `#[target_feature]` is unsafe and requires unsafe block (error E0133)
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--> $DIR/safe-calls.rs:69:5
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--> $DIR/safe-calls.rs:70:5
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LL | sse2();
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| ^^^^^^ call to function with `#[target_feature]`
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@ -101,12 +101,12 @@ LL | sse2();
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= help: in order for the call to be safe, the context requires the following additional target feature: sse2
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= note: the sse2 target feature being enabled in the build configuration does not remove the requirement to list it in `#[target_feature]`
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note: an unsafe function restricts its caller, but its body is safe by default
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--> $DIR/safe-calls.rs:68:1
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--> $DIR/safe-calls.rs:69:1
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LL | unsafe fn needs_unsafe_block() {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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note: the lint level is defined here
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--> $DIR/safe-calls.rs:65:8
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--> $DIR/safe-calls.rs:66:8
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LL | #[deny(unsafe_op_in_unsafe_fn)]
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| ^^^^^^^^^^^^^^^^^^^^^^
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