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Implement Iabs for the interpreter

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Implemented `Iabs` to return the absolute integer value with wrapping.

Copyright (c) 2021, Arm Limited
This commit is contained in:
dheaton-arm
2021-09-07 12:19:00 +01:00
parent 1a5a2c7c5d
commit cb30ecc7bc
3 changed files with 100 additions and 1 deletions
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42
cranelift/filetests/filetests/runtests/iabs.clif Normal file
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test interpret
; aarch64 & x86_64 only support vector iabs
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

34
cranelift/filetests/filetests/runtests/simd-iabs.clif Normal file
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test interpret
test run
target aarch64
set enable_simd
target x86_64
function %iabs_i8x16(i8x16) -> i8x16 {
block0(v0: i8x16):
v1 = iabs v0
return v1
}
; run: %iabs_i8x16([0 0 0 0 127 127 127 127 -127 -127 -127 -127 -128 -128 -128 -128]) == [0 0 0 0 127 127 127 127 127 127 127 127 -128 -128 -128 -128]
function %iabs_i16x8(i16x8) -> i16x8 {
block0(v0: i16x8):
v1 = iabs v0
return v1
}
; run: %iabs_i16x8([0 0 32767 32767 -32767 -32767 -32768 -32768]) == [0 0 32767 32767 32767 32767 -32768 -32768]
function %iabs_i32x4(i32x4) -> i32x4 {
block0(v0: i32x4):
v1 = iabs v0
return v1
}
; run: %iabs_i32x4([0 2147483647 -2147483647 -2147483648]) == [0 2147483647 2147483647 -2147483648]
function %iabs_i64x2(i64x2) -> i64x2 {
block0(v0: i64x2):
v1 = iabs v0
return v1
}
; run: %iabs_i64x2([0 9223372036854775807]) == [0 9223372036854775807]
; run: %iabs_i64x2([-9223372036854775807 -9223372036854775808]) == [9223372036854775807 -9223372036854775808]