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JitArm64: Add missing ORR pattern in MOVI2RImpl

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We should attempt to use not only mirrored versions of the immediate as
an ORR base, but also the immediate itself. This lets us emit certain
64-bit constants using fewer instructions.
This commit is contained in:
JosJuice 2025-08-16 18:19:08 +02:00
parent 90a137ffdc
commit 596b290177
1 changed files with 1 additions and 1 deletions
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2
Source/Core/Common/Arm64Emitter.cpp
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@ -1908,7 +1908,7 @@ void ARM64XEmitter::MOVI2RImpl(ARM64Reg Rd, T imm)
{
if constexpr (sizeof(T) == 8)
{
for (u64 orr_imm : {(imm << 32) | (imm & 0x0000'0000'FFFF'FFFF),
for (u64 orr_imm : {imm, (imm << 32) | (imm & 0x0000'0000'FFFF'FFFF),
(imm & 0xFFFF'FFFF'0000'0000) | (imm >> 32),
(imm << 48) | (imm & 0x0000'FFFF'FFFF'0000) | (imm >> 48)})
{