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-rw-r--r--src/test/assembly/x86_64-floating-point-clamp.rs25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/assembly/x86_64-floating-point-clamp.rs b/src/test/assembly/x86_64-floating-point-clamp.rs
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+++ b/src/test/assembly/x86_64-floating-point-clamp.rs
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+// Floating-point clamp is designed to be implementable as max+min,
+// so check to make sure that's what it's actually emitting.
+
+// assembly-output: emit-asm
+// compile-flags: --crate-type=lib -O -C llvm-args=-x86-asm-syntax=intel
+// only-x86_64
+
+// CHECK-LABEL: clamp_demo:
+#[no_mangle]
+pub fn clamp_demo(a: f32, x: f32, y: f32) -> f32 {
+ // CHECK: maxss
+ // CHECK: minss
+ a.clamp(x, y)
+}
+
+// CHECK-LABEL: clamp12_demo:
+#[no_mangle]
+pub fn clamp12_demo(a: f32) -> f32 {
+ // CHECK: movss xmm1
+ // CHECK-NEXT: maxss xmm1, xmm0
+ // CHECK-NEXT: movss xmm0
+ // CHECK-NEXT: minss xmm0, xmm1
+ // CHECK: ret
+ a.clamp(1.0, 2.0)
+}