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Replace many foreign llvm calls with intrinsics

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This commit is contained in:
gingerBill
2021-04-25 20:22:26 +01:00
parent cb2e6ea31d
commit 72aa0e6e38
12 changed files with 78 additions and 247 deletions
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core/runtime/core_builtin.odin
+7 -10
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@@ -1,5 +1,7 @@
package runtime
import "intrinsics"
@builtin
Maybe :: union(T: typeid) #maybe {T};
@@ -539,20 +541,15 @@ excl_bit_set :: proc(s: ^$S/bit_set[$E; $U], other: S) {
@builtin
card :: proc(s: $S/bit_set[$E; $U]) -> int {
when size_of(S) == 1 {
foreign { @(link_name="llvm.ctpop.i8") count_ones :: proc(i: u8) -> u8 --- }
return int(count_ones(transmute(u8)s));
return int(intrinsics.count_ones(transmute(u8)s));
} else when size_of(S) == 2 {
foreign { @(link_name="llvm.ctpop.i16") count_ones :: proc(i: u16) -> u16 --- }
return int(count_ones(transmute(u16)s));
return int(intrinsics.count_ones(transmute(u16)s));
} else when size_of(S) == 4 {
foreign { @(link_name="llvm.ctpop.i32") count_ones :: proc(i: u32) -> u32 --- }
return int(count_ones(transmute(u32)s));
return int(intrinsics.count_ones(transmute(u32)s));
} else when size_of(S) == 8 {
foreign { @(link_name="llvm.ctpop.i64") count_ones :: proc(i: u64) -> u64 --- }
return int(count_ones(transmute(u64)s));
return int(intrinsics.count_ones(transmute(u64)s));
} else when size_of(S) == 16 {
foreign { @(link_name="llvm.ctpop.i128") count_ones :: proc(i: u128) -> u128 --- }
return int(count_ones(transmute(u128)s));
return int(intrinsics.count_ones(transmute(u128)s));
} else {
#panic("Unhandled card bit_set size");
}