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Merge pull request #7314 from shua/wrapped

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impl add/sub/mul wrapped for u128/i128
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Luke Boswell 2024-12-09 11:19:58 +11:00 • committed by GitHub
commit 6675734c16
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6 changed files with 387 additions and 295 deletions
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crates/compiler/gen_wasm/src/low_level.rs
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@ -940,8 +940,7 @@ impl<'a> LowLevelCall<'a> {
NumAddWrap => match self.ret_layout_raw {
LayoutRepr::Builtin(Builtin::Int(width)) => match width {
IntWidth::I128 | IntWidth::U128 => {
// TODO: don't panic
self.load_args_and_call_zig(backend, &bitcode::NUM_ADD_OR_PANIC_INT[width])
self.load_args_and_call_zig(backend, &bitcode::NUM_ADD_WRAP_INT[width])
}
IntWidth::I64 | IntWidth::U64 => {
self.load_args(backend);
@ -1031,8 +1030,7 @@ impl<'a> LowLevelCall<'a> {
NumSubWrap => match self.ret_layout_raw {
LayoutRepr::Builtin(Builtin::Int(width)) => match width {
IntWidth::I128 | IntWidth::U128 => {
// TODO: don't panic
self.load_args_and_call_zig(backend, &bitcode::NUM_SUB_OR_PANIC_INT[width])
self.load_args_and_call_zig(backend, &bitcode::NUM_SUB_WRAP_INT[width])
}
IntWidth::I64 | IntWidth::U64 => {
self.load_args(backend);