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Merge pull request #3848 from pmatos/FTSTX87Tests

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Tests for X87 FTST
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Alyssa Rosenzweig 2024-07-09 09:10:29 -04:00 committed by GitHub
commit 3ef9ea94e5
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35
unittests/ASM/X87/D9_E4.asm Normal file
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%ifdef CONFIG
{
"RegData": {
"RAX": "0x100",
"RBX": "0x0",
"RCX": "0x4000"
},
"MemoryRegions": {
"0x100000000": "4096"
}
}
%endif
fld dword [rel positive]
ftst
fnstsw ax
and rax, 0x4700
mov rbx, rax
fldz
ftst
fnstsw ax
and rax, 0x4700
mov rcx, rax
fld dword [rel negative]
ftst
fnstsw ax
and rax, 0x4700
hlt
align 16
positive: dd 3.14159
negative: dd -2.71828

36
unittests/ASM/X87_F64/D9_E4_F64.asm Normal file
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%ifdef CONFIG
{
"RegData": {
"RAX": "0x100",
"RBX": "0x0",
"RCX": "0x4000"
},
"MemoryRegions": {
"0x100000000": "4096"
},
"Env": { "FEX_X87REDUCEDPRECISION" : "1" }
}
%endif
fld dword [rel positive]
ftst
fnstsw ax
and rax, 0x4700
mov rbx, rax
fldz
ftst
fnstsw ax
and rax, 0x4700
mov rcx, rax
fld dword [rel negative]
ftst
fnstsw ax
and rax, 0x4700
hlt
align 8
positive: dd 3.14159
negative: dd -2.71828