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aarch64: Add popcnt for i128 values

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This commit is contained in:
Afonso Bordado
2021-06-02 17:35:02 +01:00
parent 5140fd251a
commit 09fec151eb
3 changed files with 77 additions and 13 deletions
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17
cranelift/filetests/filetests/runtests/i128-bitops-misc.clif → cranelift/filetests/filetests/runtests/i128-bitops-count.clif
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@@ -25,3 +25,20 @@ block0(v0: i64, v1: i64):
; run: %clz(0x00000000_00010000, 0x00000001_00000000) == 31
; run: %clz(0x00000000_00010000, 0x00000000_00000000) == 111
; run: %clz(0x00000000_00000000, 0x00000000_00000000) == 128
function %popcnt_i128(i64, i64) -> i64 {
block0(v0: i64, v1: i64):
v2 = iconcat v0, v1
v3 = popcnt v2
v4, v5 = isplit v3
v6 = iadd v4, v5
return v6
}
; run: %popcnt_i128(0, 0) == 0
; run: %popcnt_i128(-1, 0) == 64
; run: %popcnt_i128(0, -1) == 64
; run: %popcnt_i128(-1, -1) == 128
; run: %popcnt_i128(0x55555555_55555555, 0x55555555_55555555) == 64
; run: %popcnt_i128(0xC0FFEEEE_DECAFFFF, 0xDECAFFFF_C0FFEEEE) == 96