Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: cfc02314accefe13e63f753ff44cb2477d20525d
https://github.com/tianocore/edk2/commit/cfc02314accefe13e63f753ff44cb2477d20525d
Author: zhubo <[email protected]>
Date: 2026-06-08 (Mon, 08 Jun 2026)
Changed paths:
M MdePkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf
A MdePkg/Library/CompilerIntrinsicsLib/LoongArch64/Ashlti3.S
Log Message:
-----------
MdePkg/CompilerIntrinsicsLib: Add LoongArch64 __ashlti3
GCC may emit a call to __ashlti3 for 128-bit left shifts when
compiling code that uses unsigned __int128, such as OpenSSL Curve448
code in CryptoPkg. The LoongArch64 firmware build does not link against
libgcc, so provide the helper from CompilerIntrinsicsLib.
Implement __ashlti3 using the LoongArch64 ABI: the low and high 64-bit
halves are passed in $a0 and $a1, the shift count is passed in $a2, and
the result is returned in $a0 and $a1.
Cc: Michael D Kinney <[email protected]>
Cc: Liming Gao <[email protected]>
Cc: Chao Li <[email protected]>
Signed-off-by: zhubo <[email protected]>
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