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+ Aarch64: UMul64x64_128 assembler implementation

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florian 2025-03-16 10:32:47 +01:00
parent 28c14ff345
commit ddd846ede4
1 changed files with 7 additions and 0 deletions
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7
rtl/aarch64/aarch64.inc
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@ -582,3 +582,10 @@ asm
rev x0, x0 rev x0, x0
end; end;
{$define FPC_SYSTEM_HAS_UMUL64X64_128}
function UMul64x64_128(a,b: uint64; out rHi: uint64): uint64; assembler; nostackframe;
asm
umulh x3,x0,x1
mul x0,x0,x1
str x3,[x2]
end;