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Add standard expansions for fcopysign.

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This is also just a sign bit manipulation.
This commit is contained in:
Jakob Stoklund Olesen
2017-09-25 15:17:32 -07:00
parent 6bec5f8507
commit 79968a2325
3 changed files with 20 additions and 2 deletions
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7
cranelift/filetests/wasm/f32-arith.cton
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@@ -87,4 +87,9 @@ ebb0(v0: f32, v1: f32):
; function %f32_min(f32, f32) -> f32
; function %f32_max(f32, f32) -> f32
; function %f32_copysign(f32, f32) -> f32
function %f32_copysign(f32, f32) -> f32 {
ebb0(v0: f32, v1: f32):
v2 = fcopysign v0, v1
return v2
}

7
cranelift/filetests/wasm/f64-arith.cton
View File

@@ -84,4 +84,9 @@ ebb0(v0: f64, v1: f64):
; function %f64_min(f64, f64) -> f64
; function %f64_max(f64, f64) -> f64
; function %f64_copysign(f64, f64) -> f64
function %f64_copysign(f64, f64) -> f64 {
ebb0(v0: f64, v1: f64):
v2 = fcopysign v0, v1
return v2
}