add tests for s390x-unknown-none-softfloat
tests will check: - correct emit of assembly for softfloat target - incompatible set features will emit warnings/errors - incompatible target tripples in crates will not link
This commit is contained in:
Eddy (Eduard) Stefes
parent
2b1dc3144b
commit
51affa0394
10 changed files with 182 additions and 1 deletions
64
tests/assembly-llvm/s390x-softfloat-abi.rs
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64
tests/assembly-llvm/s390x-softfloat-abi.rs
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@ -0,0 +1,64 @@
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//@ add-minicore
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//@ revisions: enable-softfloat disable-softfloat
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//@ assembly-output: emit-asm
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//@ compile-flags: -Copt-level=3 --crate-type=lib
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//@[enable-softfloat] compile-flags: --target=s390x-unknown-none-softfloat
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//@[enable-softfloat] needs-llvm-components: systemz
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//@[disable-softfloat] compile-flags: --target=s390x-unknown-linux-gnu
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//@[disable-softfloat] needs-llvm-components: systemz
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//@ ignore-backends: gcc
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#![feature(no_core, lang_items)]
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#![no_std]
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#![no_core]
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extern crate minicore;
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use minicore::*;
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extern "C" {
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fn extern_func(value: f64) -> f64;
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}
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// CHECK-LABEL: test_softfloat
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#[no_mangle]
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extern "C" fn test_softfloat() -> f64 {
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let value = 3.141_f64;
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// without softfloat we load the value direct to the first float register
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// we do NOT construct a softfloat in r2 (first non-float arg register)
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// disable-softfloat: ld %f{{.*}}, 0(%r{{.*}})
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// disable-softfloat-NOT: llihf %r{{.*}}, 1074340036
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// disable-softfloat-NOT: oilf %r{{.*}}, 2611340116
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// with softfloat we construct the softfloat arg in r2
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// we do NOT pass anything by f0 (first float arg register)
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// float registers can not be accessed
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// enable-softfloat: llihf %r{{.*}}, 1074340036
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// enable-softfloat-NEXT: oilf %r{{.*}}, 2611340116
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// enable-softfloat-NOT: ld %f{{.*}}, 0(%r{{.*}})
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unsafe { extern_func(value) };
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// disable-softfloat-NEXT: brasl %r{{.*}}, extern_func@PLT
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// enable-softfloat-NEXT: brasl %r{{.*}}, extern_func@PLT
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// for return we check that without softfloat we write to float register
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// disable-softfloat: ld %f{{.*}}, 0(%r{{.*}})
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// disable-softfloat-NOT: llihf %r{{.*}}, 1072841097
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// disable-softfloat-NOT: oilf %r{{.*}}, 927712936
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#[cfg(not(target_feature = "soft-float"))]
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{
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1.141_f64
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}
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// for return we check that WITH softfloat we write to genral purpose register
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// enable-softfloat: llihf %r{{.*}}, 1072841097
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// enable-softfloat-NEXT: oilf %r{{.*}}, 927712936
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// enable-softfloat-NOT: ld %f{{.*}}, 0(%r{{.*}})
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#[cfg(target_feature = "soft-float")]
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{
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2.718_f64
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}
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// enable-softfloat: br %r{{.*}}
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// disable-softfloat: br %r{{.*}}
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}
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12
tests/ui/abi/s390x-softfloat-gate.disable-softfloat.stderr
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12
tests/ui/abi/s390x-softfloat-gate.disable-softfloat.stderr
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warning: target feature `soft-float` cannot be enabled with `-Ctarget-feature`: unsupported ABI-configuration feature
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= note: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #116344 <https://github.com/rust-lang/rust/issues/116344>
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warning: target feature `soft-float` must be disabled to ensure that the ABI of the current target can be implemented correctly
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= note: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #116344 <https://github.com/rust-lang/rust/issues/116344>
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warning: 2 warnings emitted
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@ -0,0 +1,7 @@
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warning: target feature `vector` must be disabled to ensure that the ABI of the current target can be implemented correctly
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= note: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #116344 <https://github.com/rust-lang/rust/issues/116344>
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warning: 1 warning emitted
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38
tests/ui/abi/s390x-softfloat-gate.rs
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38
tests/ui/abi/s390x-softfloat-gate.rs
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@ -0,0 +1,38 @@
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//@ add-minicore
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//@ revisions: disable-softfloat enable-softfloat
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//@ assembly-output: emit-asm
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//@ compile-flags: -Copt-level=3 --crate-type=lib
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// we expect the build to fail in the feature
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//@ build-pass
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//@ [enable-softfloat] compile-flags: --target=s390x-unknown-none-softfloat
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//@ [enable-softfloat] compile-flags: -C target-feature=+vector
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//@ [enable-softfloat] needs-llvm-components: systemz
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//@ [disable-softfloat] compile-flags: --target=s390x-unknown-linux-gnu
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//@ [disable-softfloat] compile-flags: -C target-feature=+soft-float
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//@ [disable-softfloat] needs-llvm-components: systemz
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//@ ignore-backends: gcc
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//[disable-softfloat]~? WARN target feature `soft-float` must be disabled to ensure that the ABI of the current target can be implemented correctly
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//[disable-softfloat]~? WARN target feature `soft-float` cannot be enabled with `-Ctarget-feature`
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//[enable-softfloat]~? WARN target feature `vector` must be disabled to ensure that the ABI of the current target can be implemented correctly
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#![feature(no_core, lang_items)]
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#![no_std]
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#![no_core]
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extern crate minicore;
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use minicore::*;
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extern "C" {
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fn extern_func(value: f64) -> f64;
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}
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#[no_mangle]
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extern "C" fn test_softfloat() -> f64 {
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let value = 3.141_f64;
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unsafe { extern_func(value) } ;
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2.718_f64
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}
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@ -1,4 +1,4 @@
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warning: target feature `soft-float` cannot be enabled with `-Ctarget-feature`: currently unsupported ABI-configuration feature
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warning: target feature `soft-float` cannot be enabled with `-Ctarget-feature`: unsupported ABI-configuration feature
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= note: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #116344 <https://github.com/rust-lang/rust/issues/116344>
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@ -0,0 +1,8 @@
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//@ add-minicore
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//@ no-prefer-dynamic
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//@ compile-flags: --target=s390x-unknown-linux-gnu
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//@ needs-llvm-components: systemz
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#![feature(no_core)]
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#![crate_type = "rlib"]
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#![no_core]
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8
tests/ui/target_modifiers/auxiliary/enabled_softfloat.rs
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8
tests/ui/target_modifiers/auxiliary/enabled_softfloat.rs
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@ -0,0 +1,8 @@
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//@ add-minicore
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//@ no-prefer-dynamic
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//@ compile-flags: --target=s390x-unknown-none-softfloat
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//@ needs-llvm-components: systemz
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#![feature(no_core)]
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#![crate_type = "rlib"]
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#![no_core]
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error[E0461]: couldn't find crate `enabled_softfloat` with expected target triple s390x-unknown-linux-gnu
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--> $DIR/incompatible_softfloat_targets.rs:17:1
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LL | extern crate enabled_softfloat;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: the following crate versions were found:
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crate `enabled_softfloat`, target triple s390x-unknown-none-softfloat: $TEST_BUILD_DIR/auxiliary/libenabled_softfloat.rlib
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0461`.
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@ -0,0 +1,12 @@
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error[E0461]: couldn't find crate `disabled_softfloat` with expected target triple s390x-unknown-none-softfloat
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--> $DIR/incompatible_softfloat_targets.rs:19:1
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LL | extern crate disabled_softfloat;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: the following crate versions were found:
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crate `disabled_softfloat`, target triple s390x-unknown-linux-gnu: $TEST_BUILD_DIR/auxiliary/libdisabled_softfloat.rlib
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0461`.
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20
tests/ui/target_modifiers/incompatible_softfloat_targets.rs
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20
tests/ui/target_modifiers/incompatible_softfloat_targets.rs
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@ -0,0 +1,20 @@
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//@ add-minicore
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//@ aux-build: disabled_softfloat.rs
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//@ aux-build: enabled_softfloat.rs
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//@ revisions: disable-softfloat enable-softfloat
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//@ check-fail
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//@ [enable-softfloat] compile-flags: --target=s390x-unknown-none-softfloat
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//@ [enable-softfloat] needs-llvm-components: systemz
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//@ [disable-softfloat] compile-flags: --target=s390x-unknown-linux-gnu
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//@ [disable-softfloat] needs-llvm-components: systemz
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//@ ignore-backends: gcc
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#![feature(no_core)]
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#![crate_type = "rlib"]
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#![no_core]
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extern crate enabled_softfloat;
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//[disable-softfloat]~^ ERROR couldn't find crate `enabled_softfloat` with expected target triple s390x-unknown-linux-gnu
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extern crate disabled_softfloat;
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//[enable-softfloat]~^ ERROR couldn't find crate `disabled_softfloat` with expected target triple s390x-unknown-none-softfloat
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