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Long overdue FPC 64bit Support #54

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Merged
merged 1 commit into from
Jan 27, 2019
Merged

Long overdue FPC 64bit Support #54

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9 changes: 8 additions & 1 deletion Source/CPUID.pas
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Original file line number Diff line number Diff line change
Expand Up @@ -139,10 +139,17 @@ procedure ___CallCPUID(const ID: NativeInt; var CPUIDStruct);
MOV RAX,RCX
MOV R9,RDX
CPUID
{$IFNDEF FPC}
MOV R9.TCPUIDStruct.rEAX,EAX
MOV R9.TCPUIDStruct.rEBX,EBX
MOV R9.TCPUIDStruct.rECX,ECX
MOV R9.TCPUIDStruct.rEDX,EDX
{$ELSE FPC}
MOV [R9].TCPUIDStruct.rEAX,EAX
MOV [R9].TCPUIDStruct.rEBX,EBX
MOV [R9].TCPUIDStruct.rECX,ECX
MOV [R9].TCPUIDStruct.rEDX,EDX
{$ENDIF !FPC}
POP RDX
POP RBX
POP R9
Expand All @@ -160,7 +167,7 @@ function ___IsAVXSupported: Boolean;
2) Detect CPUID.1:ECX.AVX[bit 28] = 1
=> AVX instructions supported.

3) Issue XGETBV and verify that XCR0[2:1] = �11b�
3) Issue XGETBV and verify that XCR0[2:1] = ‘11b’
=> XMM state and YMM state are enabled by OS.

}
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