mirror of https://github.com/rust-lang/rust
28 lines
767 B
Rust
28 lines
767 B
Rust
// Floating-point clamp is designed to be implementable as max+min,
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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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// CHECK-LABEL: clamp_demo:
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#[no_mangle]
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pub fn clamp_demo(a: f32, x: f32, y: f32) -> f32 {
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// CHECK: maxss
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// CHECK: minss
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a.clamp(x, y)
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}
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// CHECK-LABEL: clamp12_demo:
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#[no_mangle]
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pub fn clamp12_demo(a: f32) -> f32 {
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// CHECK: movss xmm1
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// CHECK-NEXT: maxss xmm1, xmm0
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// CHECK-NEXT: movss xmm0
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// CHECK-NEXT: minss xmm0, xmm1
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// CHECK: ret
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a.clamp(1.0, 2.0)
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}
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