8f057e0482
Implemented `SaddSat` and `SsubSat` to add and subtract signed vector values, saturating at the type boundaries rather than overflowing. Changed the parser to allow signed `i8` immediates in vectors as part of this work; fixes #3276. Copyright (c) 2021, Arm Limited.
20 lines
721 B
Plaintext
20 lines
721 B
Plaintext
test interpret
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test run
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target aarch64
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set enable_simd
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target x86_64
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function %saddsat_i8x16(i8x16, i8x16) -> i8x16 {
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block0(v0: i8x16, v1: i8x16):
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v2 = sadd_sat v0, v1
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return v2
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}
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; run: %saddsat_i8x16([1 100 100 100 100 100 100 100 -100 -100 -100 -100 -100 -100 -100 -100], [1 100 100 100 100 100 100 100 -100 -100 -100 -100 -100 -100 -100 -100]) == [2 127 127 127 127 127 127 127 -128 -128 -128 -128 -128 -128 -128 -128]
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function %saddsat_i16x8(i16x8, i16x8) -> i16x8 {
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block0(v0: i16x8, v1: i16x8):
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v2 = sadd_sat v0, v1
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return v2
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}
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; run: %saddsat_i16x8([1 -32000 -32000 -32000 32000 32000 32000 32000], [1 -1000 -1000 -1000 1000 1000 1000 1000]) == [2 -32768 -32768 -32768 32767 32767 32767 32767]
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