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wasmtime/cranelift/filetests/filetests/runtests/simd-conversion.clif
2021-09-29 17:37:23 +02:00

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test run
target aarch64
; target s390x TODO: Not yet implemented on s390x
set enable_simd
target x86_64
function %fcvt_from_sint(i32x4) -> f32x4 {
block0(v0: i32x4):
v1 = fcvt_from_sint.f32x4 v0
return v1
}
; run: %fcvt_from_sint([-1 0 1 123456789]) == [-0x1.0 0.0 0x1.0 0x75bcd18.0]
; Note that 123456789 rounds to 123456792.0, an error of 3
function %fcvt_from_uint(i32x4) -> f32x4 {
block0(v0: i32x4):
v1 = fcvt_from_uint.f32x4 v0
return v1
}
; run: %fcvt_from_uint([0 0 0 0]) == [0x0.0 0x0.0 0x0.0 0x0.0]
; run: %fcvt_from_uint([0xFFFFFFFF 0 1 123456789]) == [0x100000000.0 0.0 0x1.0 0x75bcd18.0]
; Note that 0xFFFFFFFF is decimal 4,294,967,295 and is rounded up 1 to 4,294,967,296 in f32x4.
function %fcvt_to_sint_sat(f32x4) -> i32x4 {
block0(v0:f32x4):
v1 = fcvt_to_sint_sat.i32x4 v0
return v1
}
; run: %fcvt_to_sint_sat([0x0.0 -0x1.0 0x1.0 0x1.0p100]) == [0 -1 1 0x7FFFFFFF]
; run: %fcvt_to_sint_sat([-0x8.1 0x0.0 0x0.0 -0x1.0p100]) == [-8 0 0 0x80000000]
function %fcvt_to_uint_sat(f32x4) -> i32x4 {
block0(v0:f32x4):
v1 = fcvt_to_uint_sat.i32x4 v0
return v1
}
; run: %fcvt_to_uint_sat([0x1.0 0x4.2 0x4.6 0x1.0p100]) == [1 4 4 0xFFFFFFFF]
; run: %fcvt_to_uint_sat([-0x8.1 -0x0.0 0x0.0 -0x1.0p100]) == [0 0 0 0]
; run: %fcvt_to_uint_sat([0xB2D05E00.0 0.0 0.0 0.0]) == [3000000000 0 0 0]