RFR (XS) 8241128: x86_32 build failure after JDK-8241042

[Claes Redestad]

And trivial!

On 2020-03-18 18:01, Claes Redestad wrote:
> Looks good.
> 
> /Claes
> 
> On 2020-03-18 06:44, Aleksey Shipilev wrote:
>> Bug:
>>    https://bugs.openjdk.java.net/browse/JDK-8241128
>>
>> JDK-8241042 changed the lines below incorrectly. There is no multi-arg 
>> emit_int8, and it must be
>> emit_int16 or emit_int24.
>>
>> Fix:
>>
>> diff -r 82d11846109a -r 3d86b4b4701b 
>> src/hotspot/cpu/x86/assembler_x86.cpp
>> --- a/src/hotspot/cpu/x86/assembler_x86.cpp     Wed Mar 18 06:28:50 
>> 2020 +0100
>> +++ b/src/hotspot/cpu/x86/assembler_x86.cpp     Wed Mar 18 06:39:55 
>> 2020 +0100
>> @@ -6838,7 +6838,7 @@
>>   void Assembler::cmp_literal32(Register src1, int32_t imm32, 
>> RelocationHolder const& rspec) {
>>     // NO PREFIX AS NEVER 64BIT
>>     InstructionMark im(this);
>> -  emit_int8((unsigned char)0x81, (0xF8 | src1->encoding()));
>> +  emit_int16((unsigned char)0x81, (0xF8 | src1->encoding()));
>>     emit_data(imm32, rspec, 0);
>>   }
>>
>> @@ -7638,7 +7638,7 @@
>>   }
>>
>>   void Assembler::set_byte_if_not_zero(Register dst) {
>> -  emit_int8(0x0F, (unsigned char)0x95, (0xE0 | dst->encoding()));
>> +  emit_int24(0x0F, (unsigned char)0x95, (0xE0 | dst->encoding()));
>>   }
>>
>>   #else // LP64
>>
>> Testing: x86_32 build
>>