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[machinst x64]: enable packed saturated arithmetic

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This commit is contained in:
Andrew Brown
2020-10-07 16:15:09 -07:00
parent 116acb8dcd
commit c8cce5d2d7
6 changed files with 72 additions and 18 deletions
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36
cranelift/filetests/filetests/isa/x64/simd-arithmetic-run.clif
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@@ -127,24 +127,24 @@ block0:
}
; run
;function %sub_sat_i8x16() -> b1 {
;block0:
; v0 = vconst.i8x16 [128 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] ; 128 == 0x80 == -128
; v1 = vconst.i8x16 [1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1]
;
; v2 = ssub_sat v0, v1
; v3 = extractlane v2, 0
; v4 = icmp_imm eq v3, 0x80 ; 0x80 == -128
;
; ; now re-use 0x80 as an unsigned 128
; v5 = usub_sat v0, v2
; v6 = extractlane v5, 0
; v7 = icmp_imm eq v6, 0
;
; v8 = band v4, v7
; return v8
;}
; _run
function %sub_sat_i8x16() -> b1 {
block0:
v0 = vconst.i8x16 [128 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] ; 128 == 0x80 == -128
v1 = vconst.i8x16 [1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1]
v2 = ssub_sat v0, v1
v3 = extractlane v2, 0
v4 = icmp_imm eq v3, 0x80 ; 0x80 == -128
; now re-use 0x80 as an unsigned 128
v5 = usub_sat v0, v2
v6 = extractlane v5, 0
v7 = icmp_imm eq v6, 0
v8 = band v4, v7
return v8
}
; run
;function %add_sub_f32x4() -> b1 {
;block0: