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Add support for Vector Subtract Saturated on PowerPC

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This commit is contained in:
Luca Barbato 2017-08-04 00:16:22 +00:00
parent c701ba6efb
commit b07a059643
2 changed files with 37 additions and 0 deletions
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7
src/etc/platform-intrinsics/powerpc.json
View File

@ -72,6 +72,13 @@
"llvm": "vmin{0.kind}{0.data_type_short}",
"ret": "i(8-32)",
"args": ["0", "0"]
},
{
"intrinsic": "sub{0.kind}{0.data_type_short}s",
"width": [128],
"llvm": "vsub{0.kind}{0.data_type_short}s",
"ret": "i(8-32)",
"args": ["0", "0"]
}
]
}

30
src/librustc_platform_intrinsics/powerpc.rs
View File

@ -142,6 +142,36 @@ pub fn find(name: &str) -> Option<Intrinsic> {
output: &::U32x4,
definition: Named("llvm.ppc.altivec.vminuw")
},
"_vec_subsbs" => Intrinsic {
inputs: { static INPUTS: [&'static Type; 2] = [&::I8x16, &::I8x16]; &INPUTS },
output: &::I8x16,
definition: Named("llvm.ppc.altivec.vsubsbs")
},
"_vec_sububs" => Intrinsic {
inputs: { static INPUTS: [&'static Type; 2] = [&::U8x16, &::U8x16]; &INPUTS },
output: &::U8x16,
definition: Named("llvm.ppc.altivec.vsububs")
},
"_vec_subshs" => Intrinsic {
inputs: { static INPUTS: [&'static Type; 2] = [&::I16x8, &::I16x8]; &INPUTS },
output: &::I16x8,
definition: Named("llvm.ppc.altivec.vsubshs")
},
"_vec_subuhs" => Intrinsic {
inputs: { static INPUTS: [&'static Type; 2] = [&::U16x8, &::U16x8]; &INPUTS },
output: &::U16x8,
definition: Named("llvm.ppc.altivec.vsubuhs")
},
"_vec_subsws" => Intrinsic {
inputs: { static INPUTS: [&'static Type; 2] = [&::I32x4, &::I32x4]; &INPUTS },
output: &::I32x4,
definition: Named("llvm.ppc.altivec.vsubsws")
},
"_vec_subuws" => Intrinsic {
inputs: { static INPUTS: [&'static Type; 2] = [&::U32x4, &::U32x4]; &INPUTS },
output: &::U32x4,
definition: Named("llvm.ppc.altivec.vsubuws")
},
_ => return None,
})
}