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wasmtime/cranelift/filetests/filetests/runtests/iabs.clif
uint256_t b00455135e Cranelift: Implement 'iabs' for scalar types on x86_64 (#5527)
* Implement 'iabs' for scalar types on x86_64

* Small fix
2023-01-05 21:33:12 -08:00

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test interpret
test run
target aarch64
target s390x
target riscv64 has_zbb=false
target riscv64 has_zbb=true
target x86_64
function %iabs_i8(i8) -> i8 {
block0(v0: i8):
v1 = iabs v0
return v1
}
; run: %iabs_i8(0) == 0
; run: %iabs_i8(127) == 127
; run: %iabs_i8(-127) == 127
; run: %iabs_i8(-128) == -128
function %iabs_i16(i16) -> i16 {
block0(v0: i16):
v1 = iabs v0
return v1
}
; run: %iabs_i16(0) == 0
; run: %iabs_i16(32767) == 32767
; run: %iabs_i16(-32767) == 32767
; run: %iabs_i16(-32768) == -32768
function %iabs_i32(i32) -> i32 {
block0(v0: i32):
v1 = iabs v0
return v1
}
; run: %iabs_i32(0) == 0
; run: %iabs_i32(2147483647) == 2147483647
; run: %iabs_i32(-2147483647) == 2147483647
; run: %iabs_i32(-2147483648) == -2147483648
function %iabs_i64(i64) -> i64 {
block0(v0: i64):
v1 = iabs v0
return v1
}
; run: %iabs_i64(0) == 0
; run: %iabs_i64(9223372036854775807) == 9223372036854775807
; run: %iabs_i64(-9223372036854775807) == 9223372036854775807
; run: %iabs_i64(-9223372036854775808) == -9223372036854775808
; See issue #5501.
; If iabs does not mask the high bits on the input, it can give an incorrect result.
function %iabs_i16_mask(i16, i64) -> i16 system_v {
block0(v0: i16, v1: i64):
v2 = ushr v0, v1
v3 = iabs v2
return v3
}
; run: %iabs_i16_mask(-24064, 16) == 24064