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add support for unchecked math

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lcnr/Bastian Kauschke 2019-06-03 12:59:17 +02:00
parent d461555e44
commit d6266a7666
3 changed files with 42 additions and 0 deletions
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6
src/librustc_codegen_llvm/builder.rs
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@ -265,6 +265,12 @@ impl BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
neg(x) => LLVMBuildNeg,
fneg(x) => LLVMBuildFNeg,
not(x) => LLVMBuildNot,
unchecked_sadd(x, y) => LLVMBuildNSWAdd,
unchecked_uadd(x, y) => LLVMBuildNUWAdd,
unchecked_ssub(x, y) => LLVMBuildNSWSub,
unchecked_usub(x, y) => LLVMBuildNUWSub,
unchecked_smul(x, y) => LLVMBuildNSWMul,
unchecked_umul(x, y) => LLVMBuildNUWMul,
}
fn fadd_fast(&mut self, lhs: &'ll Value, rhs: &'ll Value) -> &'ll Value {