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https://github.com/FEX-Emu/FEX.git
synced 2026-10-06 11:00:19 +02:00
Ryan Houdek
7937b7e52d
Test behaviour themselves not changed at all, just data moved or aligned. For tests that aren't explicitly testing out SMC behaviour, we were accidentally relying on some aggressive SMC tracking by mixing data and code in the same page. To fix this just align the test's data to the next page boundary which means FEX's SMC tracking won't get triggered since it is no longer living in the same page. This has been a thorn for a while, so just get rid of it. We obviously still have ASM tests that still exist that /do/ rely on SMC, and those are still expected to work.
31 lines
471 B
NASM
31 lines
471 B
NASM
%ifdef CONFIG
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{
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"RegData": {
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"RAX": "1"
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},
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"Mode": "32BIT"
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}
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%endif
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; Test fsincos(+infinity) in 32-bit mode = Invalid Operation (should set bit 0 of status word)
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; Load positive infinity: exponent all 1s, mantissa 0x8000000000000000
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mov eax, 0x00000000
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mov [rel .pos_inf], eax
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mov eax, 0x80000000
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mov [rel .pos_inf + 4], eax
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mov ax, 0x7FFF
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mov [rel .pos_inf + 8], ax
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fld tword [rel .pos_inf]
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fsincos
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fstsw ax
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and eax, 1
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hlt
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align 4096
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.pos_inf:
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dq 0
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dw 0
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