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Add abm.odin

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gingerBill
2022-05-29 13:36:55 +01:00
parent 3ad2cde833
commit 7f3540b7f5
1 changed files with 20 additions and 0 deletions
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core/simd/x86/abm.odin Normal file
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//+build i386, amd64
package simd_x86
import "core:intrinsics"
_lzcnt_u32 :: #force_inline proc "c" (x: u32) -> u32 {
return intrinsics.count_leading_zeros(x)
}
_popcnt32 :: #force_inline proc "c" (x: u32) -> i32 {
return i32(intrinsics.count_ones(x))
}
when ODIN_ARCH == .amd64 {
_lzcnt_u64 :: #force_inline proc "c" (x: u64) -> u64 {
return intrinsics.count_leading_zeros(x)
}
_popcnt64 :: #force_inline proc "c" (x: u64) -> i32 {
return i32(intrinsics.count_ones(x))
}
}