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ConstProp: fix inlining shifted imm to mem instructions

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hit by sse4_1-pmaxuw.c.gcc-target-test-64.jit.gcc-target-64

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig 2024-05-31 17:39:05 -04:00
parent 80878ae611
commit 112c49a348
1 changed files with 4 additions and 0 deletions
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4
FEXCore/Source/Interface/IR/Passes/ConstProp.cpp
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@ -117,6 +117,9 @@ private:
return;
}
// The immediate may be scaled in the IR, we need to correct for that.
Imm *= OffsetScale;
// Signed immediate unscaled 9-bit range for both regular and LRCPC2 ops.
bool IsSIMM9 = ((int64_t)Imm >= -256) && ((int64_t)Imm <= 255);
IsSIMM9 &= (SupportsTSOImm9 || !TSO);
@ -128,6 +131,7 @@ private:
if (IsSIMM9 || IsExtended) {
IREmit->SetWriteCursor(IR.GetNode(Offset));
IREmit->ReplaceNodeArgument(CodeNode, Offset_Index, CreateInlineConstant(IREmit, Imm));
OffsetScale = 1;
}
}
};