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Add x86 SIMD average rounding

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This commit is contained in:
Andrew Brown
2020-01-31 14:37:29 -08:00
parent 830bdd5127
commit 032e81fd6f
5 changed files with 65 additions and 1 deletions
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12
cranelift/filetests/filetests/isa/x86/simd-arithmetic-binemit.clif
View File

@@ -197,3 +197,15 @@ block0(v0: f64x2 [%xmm3], v1: f64x2 [%xmm5]):
[-, %xmm3] v8 = sqrt v0 ; bin: 66 40 0f 51 db
return
}
function %average_rounding_i8x16(i8x16, i8x16) {
block0(v0: i8x16 [%xmm6], v1: i8x16 [%xmm2]):
[-, %xmm6] v2 = avg_round v0, v1 ; bin: 66 0f e0 f2
return
}
function %average_rounding_i16x8(i16x8, i16x8) {
block0(v0: i16x8 [%xmm6], v1: i16x8 [%xmm2]):
[-, %xmm6] v2 = avg_round v0, v1 ; bin: 66 0f e3 f2
return
}

14
cranelift/filetests/filetests/isa/x86/simd-arithmetic-run.clif
View File

@@ -265,3 +265,17 @@ block0:
return v4
}
; run
function %average_rounding_i16x8() -> b1 {
block0:
v0 = vconst.i16x8 [0 0 0 1 42 19 -1 -1]
v1 = vconst.i16x8 [0 1 2 4 42 18 -1 0]
v2 = vconst.i16x8 [0 1 1 3 42 19 -1 -32768] ; -1 (0xffff) + 0 + 1 == -32768 (0x8000)
v3 = avg_round v0, v1
v4 = icmp eq v2, v3
v5 = vall_true v4
return v5
}
; run