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arm64: Use FPU instrctions for Fcopysign

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Copyright (c) 2020, Arm Limited.
This commit is contained in:
Joey Gouly
2020-05-21 18:14:12 +01:00
parent 5c39b74eb8
commit 02c3f238f8
7 changed files with 264 additions and 54 deletions
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16
cranelift/filetests/filetests/vcode/aarch64/floating-point.clif
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@@ -397,12 +397,8 @@ block0(v0: f32, v1: f32):
; check: stp fp, lr, [sp, #-16]!
; nextln: mov fp, sp
; nextln: mov x0, v0.d[0]
; nextln: mov x1, v1.d[0]
; nextln: and w1, w1, #2147483648
; nextln: bic w0, w0, #2147483648
; nextln: orr w0, w0, w1
; nextln: mov v0.d[0], x0
; nextln: ushr v1.2s, v1.2s, #31
; nextln: sli v0.2s, v1.2s, #31
; nextln: mov sp, fp
; nextln: ldp fp, lr, [sp], #16
; nextln: ret
@@ -415,12 +411,8 @@ block0(v0: f64, v1: f64):
; check: stp fp, lr, [sp, #-16]!
; nextln: mov fp, sp
; nextln: mov x0, v0.d[0]
; nextln: mov x1, v1.d[0]
; nextln: and x1, x1, #9223372036854775808
; nextln: bic x0, x0, #9223372036854775808
; nextln: orr x0, x0, x1
; nextln: mov v0.d[0], x0
; nextln: ushr d1, d1, #63
; nextln: sli d0, d1, #63
; nextln: mov sp, fp
; nextln: ldp fp, lr, [sp], #16
; nextln: ret