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[machinst x64]: add saturating addition implementation

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Andrew Brown
2020-09-23 08:54:10 -07:00
parent a64abf9b76
commit 050f078f86
4 changed files with 57 additions and 5 deletions
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4
cranelift/codegen/src/isa/x64/inst/emit.rs
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@@ -1780,6 +1780,10 @@ pub(crate) fn emit(
SseOpcode::Paddd => (LegacyPrefixes::_66, 0x0FFE, 2),
SseOpcode::Paddq => (LegacyPrefixes::_66, 0x0FD4, 2),
SseOpcode::Paddw => (LegacyPrefixes::_66, 0x0FFD, 2),
SseOpcode::Paddsb => (LegacyPrefixes::_66, 0x0FEC, 2),
SseOpcode::Paddsw => (LegacyPrefixes::_66, 0x0FED, 2),
SseOpcode::Paddusb => (LegacyPrefixes::_66, 0x0FDC, 2),
SseOpcode::Paddusw => (LegacyPrefixes::_66, 0x0FDD, 2),
SseOpcode::Pavgb => (LegacyPrefixes::_66, 0x0FE0, 2),
SseOpcode::Pavgw => (LegacyPrefixes::_66, 0x0FE3, 2),
SseOpcode::Pmaxsb => (LegacyPrefixes::_66, 0x0F383C, 3),