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rem, sqrt, log are unchecked but have checked variants

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mod exists but is not implemented due to lack of hardware support
(emulation, possibly in terms of rem, is needed).
This commit is contained in:
Kevin Gillette 2022-04-15 00:04:38 -06:00
parent d23d5f249f
commit 1908ff41c3
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GPG key ID: 9009F701BBC0D562
15 changed files with 208 additions and 75 deletions
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12
compiler/gen_llvm/src/llvm/build.rs
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@ -5814,9 +5814,9 @@ fn run_low_level<'a, 'ctx, 'env>(
}
NumAdd | NumSub | NumMul | NumLt | NumLte | NumGt | NumGte | NumRemUnchecked
| NumIsMultipleOf | NumAddWrap | NumAddChecked | NumAddSaturated | NumDivUnchecked
| NumDivCeilUnchecked | NumPow | NumPowInt | NumSubWrap | NumSubChecked
| NumSubSaturated | NumMulWrap | NumMulChecked => {
| NumModUnchecked | NumIsMultipleOf | NumAddWrap | NumAddChecked | NumAddSaturated
| NumDivUnchecked | NumDivCeilUnchecked | NumPow | NumPowInt | NumSubWrap
| NumSubChecked | NumSubSaturated | NumMulWrap | NumMulChecked => {
debug_assert_eq!(args.len(), 2);
let (lhs_arg, lhs_layout) = load_symbol_and_layout(scope, &args[0]);
@ -6578,6 +6578,11 @@ fn build_int_binop<'a, 'ctx, 'env>(
bd.build_int_unsigned_rem(lhs, rhs, "rem_uint").into()
}
}
NumModUnchecked => {
// there generally is not hardware support for flooring mod;
// it could probably be implemented in pure Roc in terms of Num.rem.
todo!("mod is not implemented")
}
NumIsMultipleOf => {
// this builds the following construct
//
@ -6908,7 +6913,6 @@ fn build_float_binop<'a, 'ctx, 'env>(
NumGte => bd.build_float_compare(OGE, lhs, rhs, "float_gte").into(),
NumLt => bd.build_float_compare(OLT, lhs, rhs, "float_lt").into(),
NumLte => bd.build_float_compare(OLE, lhs, rhs, "float_lte").into(),
NumRemUnchecked => bd.build_float_rem(lhs, rhs, "rem_float").into(),
NumDivUnchecked => bd.build_float_div(lhs, rhs, "div_float").into(),
NumPow => env.call_intrinsic(&LLVM_POW[float_width], &[lhs.into(), rhs.into()]),
_ => {