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8359386: Fix incorrect value for max_size of C2CodeStub when APX is used

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vamsi-parasa 2025-06-12 12:33:07 -07:00
parent 99829950f6
commit 0eca30db2f
1 changed files with 3 additions and 1 deletions
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4
src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp
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@ -4687,7 +4687,9 @@ void C2_MacroAssembler::convertF2I(BasicType dst_bt, BasicType src_bt, Register
}
}
auto stub = C2CodeStub::make<Register, XMMRegister, address>(dst, src, slowpath_target, 23, convertF2I_slowpath);
// Using the APX extended general purpose registers increases the instruction encoding size by 4 bytes.
int max_size = dst->encoding() <= 15 ? 23 : 27;
auto stub = C2CodeStub::make<Register, XMMRegister, address>(dst, src, slowpath_target, max_size, convertF2I_slowpath);
jcc(Assembler::equal, stub->entry());
bind(stub->continuation());
}