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Adds a unittest for a bug from #3421

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When the source arguments for LoadMem/StoreMem have bit 31 set then they
are incorrectly sign extending in some instances.

Detected this when testing #3421 but I don't have a proper fix for it.
This commit is contained in:
Ryan Houdek 2024-02-25 23:46:06 -08:00
parent 0ef72bf118
commit c00c9b397e
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1 changed files with 20 additions and 0 deletions
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unittests/32Bit_ASM/FEX_bugs/SignExtendBug.asm Normal file
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@ -0,0 +1,20 @@
%ifdef CONFIG
{
"RegData": {
"RAX": "0x41424344"
},
"MemoryRegions": {
"0xf0000000": "4096"
},
"MemoryData": {
"0xf0000000": "0x41424344"
},
"Mode": "32BIT"
}
%endif
; Ensures that zero extension of addresses are adhered to.
lea eax, [0xf000_0000]
mov eax, [ds:eax]
hlt