请问如何反馈visualstudio2017的BUG

WJN92 2019-07-15 08:05:56
我在DEBUG编译的设置环境下，发现下面红色的代码并没有编译。而且看汇编代码应该是帮我优化了。
它直接放进了xmm0寄存器，并没有帮我保存到内存。导致后面的代码并没有正确执行





下面是编译器命令行

/JMC /GS /W3 /Zc:wchar_t /ZI /Gm- /Od /sdl /Fd"x64\Debug\vc141.pdb" /Zc:inline /fp:precise /D "_DEBUG" /D "_WINDOWS" /D "_UNICODE" /D "UNICODE" /D "_CRT_SECURE_NO_DEPRECATE" /errorReport:prompt /WX- /Zc:forScope /RTC1 /Gd /MDd /FC /Fa"x64\Debug\" /EHsc /nologo /Fo"x64\Debug\" /Fp"x64\Debug\FourEye.pch" /diagnostics:classic

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hhhh63 2019-07-17
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帮助/发送反馈/报告问题
zgl7903 2019-07-16
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x64 calling convention x64 software conventions 先试试16字节对齐
WJN92 2019-07-15
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下面是引用Hit0.t 的汇编

	

FE_VECTOR3 aMax = FE_Max(FE_Max(FE_ConditionSwitch(Hit0.bHit, Hit0.vPoint, FE_VECTOR3(-FLT_MAX, -FLT_MAX, -FLT_MAX)),

00007FF7ED043F29  movss       xmm3,dword ptr [__real@ff7fffff (07FF7ED080714h)]  

00007FF7ED043F31  movss       xmm2,dword ptr [__real@ff7fffff (07FF7ED080714h)]  

00007FF7ED043F39  movss       xmm1,dword ptr [__real@ff7fffff (07FF7ED080714h)]  

00007FF7ED043F41  lea         rcx,[rbp+964h]  

00007FF7ED043F48  call        FE_VECTOR3::FE_VECTOR3 (07FF7ECFC2C4Eh)  

00007FF7ED043F4D  lea         rcx,[rbp+12E0h]  

00007FF7ED043F54  mov         rdi,rcx  

00007FF7ED043F57  mov         rsi,rax  

00007FF7ED043F5A  mov         ecx,0Ch  

00007FF7ED043F5F  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043F61  lea         rax,[rbp+12B0h]  

00007FF7ED043F68  lea         rcx,[rbp+0D0h]  

00007FF7ED043F6F  mov         rdi,rax  

00007FF7ED043F72  mov         rsi,rcx  

00007FF7ED043F75  mov         ecx,0Ch  

00007FF7ED043F7A  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043F7C  lea         r9,[rbp+12E0h]  

00007FF7ED043F83  lea         r8,[rbp+12B0h]  

00007FF7ED043F8A  movzx       edx,byte ptr [rbp+0CCh]  

00007FF7ED043F91  lea         rcx,[rbp+984h]  

00007FF7ED043F98  call        FE_ConditionSwitch (07FF7ECFC4184h)  

00007FF7ED043F9D  lea         rcx,[rbp+1460h]  

00007FF7ED043FA4  mov         rdi,rcx  

00007FF7ED043FA7  mov         rsi,rax  

00007FF7ED043FAA  mov         ecx,0Ch  

00007FF7ED043FAF  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043FB1  movss       xmm3,dword ptr [__real@ff7fffff (07FF7ED080714h)]  

00007FF7ED043FB9  movss       xmm2,dword ptr [__real@ff7fffff (07FF7ED080714h)]  

00007FF7ED043FC1  movss       xmm1,dword ptr [__real@ff7fffff (07FF7ED080714h)]  

00007FF7ED043FC9  lea         rcx,[rbp+9A4h]  

00007FF7ED043FD0  call        FE_VECTOR3::FE_VECTOR3 (07FF7ECFC2C4Eh)  

00007FF7ED043FD5  lea         rcx,[rbp+1340h]  

00007FF7ED043FDC  mov         rdi,rcx  

00007FF7ED043FDF  mov         rsi,rax  

00007FF7ED043FE2  mov         ecx,0Ch  

00007FF7ED043FE7  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043FE9  lea         rax,[rbp+1310h]  

00007FF7ED043FF0  lea         rcx,[rbp+0A0h]  

00007FF7ED043FF7  mov         rdi,rax  

00007FF7ED043FFA  mov         rsi,rcx  

00007FF7ED043FFD  mov         ecx,0Ch  

00007FF7ED044002  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED044004  lea         r9,[rbp+1340h]  

00007FF7ED04400B  lea         r8,[rbp+1310h]  

00007FF7ED044012  movzx       edx,byte ptr [rbp+9Ch]  

00007FF7ED044019  lea         rcx,[rbp+9C4h]  

00007FF7ED044020  call        FE_ConditionSwitch (07FF7ECFC4184h)  

00007FF7ED044025  lea         rcx,[rbp+1400h]  

00007FF7ED04402C  mov         rdi,rcx  

00007FF7ED04402F  mov         rsi,rax  

00007FF7ED044032  mov         ecx,0Ch  

00007FF7ED044037  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED044039  movss       xmm3,dword ptr [__real@ff7fffff (07FF7ED080714h)]  

00007FF7ED044041  movss       xmm2,dword ptr [__real@ff7fffff (07FF7ED080714h)]  

00007FF7ED044049  movss       xmm1,dword ptr [__real@ff7fffff (07FF7ED080714h)]  

00007FF7ED044051  lea         rcx,[rbp+9E4h]  

00007FF7ED044058  call        FE_VECTOR3::FE_VECTOR3 (07FF7ECFC2C4Eh)  

00007FF7ED04405D  lea         rcx,[rbp+13A0h]  

00007FF7ED044064  mov         rdi,rcx  

00007FF7ED044067  mov         rsi,rax  

00007FF7ED04406A  mov         ecx,0Ch  

00007FF7ED04406F  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED044071  lea         rax,[rbp+1370h]  

00007FF7ED044078  lea         rcx,[rbp+70h]  

00007FF7ED04407C  mov         rdi,rax  

00007FF7ED04407F  mov         rsi,rcx  

00007FF7ED044082  mov         ecx,0Ch  

00007FF7ED044087  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED044089  lea         r9,[rbp+13A0h]  

00007FF7ED044090  lea         r8,[rbp+1370h]  

00007FF7ED044097  movzx       edx,byte ptr [rbp+6Ch]  

00007FF7ED04409B  lea         rcx,[rbp+0A04h]  

00007FF7ED0440A2  call        FE_ConditionSwitch (07FF7ECFC4184h)  

00007FF7ED0440A7  lea         rcx,[rbp+13D0h]  

00007FF7ED0440AE  mov         rdi,rcx  

00007FF7ED0440B1  mov         rsi,rax  

00007FF7ED0440B4  mov         ecx,0Ch  

00007FF7ED0440B9  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED0440BB  lea         r8,[rbp+1400h]  

00007FF7ED0440C2  lea         rdx,[rbp+13D0h]  

00007FF7ED0440C9  lea         rcx,[rbp+0A24h]  

00007FF7ED0440D0  call        FE_Max (07FF7ECFC27B2h)  

00007FF7ED0440D5  lea         rcx,[rbp+1430h]  

00007FF7ED0440DC  mov         rdi,rcx  

00007FF7ED0440DF  mov         rsi,rax  

00007FF7ED0440E2  mov         ecx,0Ch  

00007FF7ED0440E7  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED0440E9  lea         r8,[rbp+1460h]  

00007FF7ED0440F0  lea         rdx,[rbp+1430h]  

00007FF7ED0440F7  lea         rcx,[aMax]  

00007FF7ED0440FE  call        FE_Max (07FF7ECFC27B2h)  

									FE_ConditionSwitch(Hit1.bHit, Hit1.vPoint, FE_VECTOR3(-FLT_MAX, -FLT_MAX, -FLT_MAX))),

									FE_ConditionSwitch(Hit2.bHit, Hit2.vPoint, FE_VECTOR3(-FLT_MAX, -FLT_MAX, -FLT_MAX)));



	FE_VECTOR3 aMin = FE_Min(FE_Min(FE_ConditionSwitch(Hit0.bHit, Hit0.vPoint, FE_VECTOR3(FLT_MAX, FLT_MAX, FLT_MAX)),


我猜编译器是想把测试结果放在xmm0。但是后面的代码就忘记用xmm0了
WJN92 2019-07-15
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下面是汇编代码




	LineIntersectResult Hit0;

00007FF7ED043A58  lea         rcx,[Hit0]  

00007FF7ED043A5C  call        LineIntersectResult::LineIntersectResult (07FF7ECFC2B45h)  

	LineIntersect(p1, line(T2.vPoint[0], T2.vPoint[1]), &Hit0);

00007FF7ED043A61  mov         eax,0Ch  

00007FF7ED043A66  imul        rax,rax,1  

00007FF7ED043A6A  lea         rcx,[rbp+0E00h]  

00007FF7ED043A71  mov         rdx,qword ptr [&T2]  

00007FF7ED043A78  mov         rdi,rcx  

00007FF7ED043A7B  lea         rsi,[rdx+rax]  

00007FF7ED043A7F  mov         ecx,0Ch  

00007FF7ED043A84  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043A86  mov         eax,0Ch  

00007FF7ED043A8B  imul        rax,rax,0  

00007FF7ED043A8F  lea         rcx,[rbp+0DD0h]  

00007FF7ED043A96  mov         rdx,qword ptr [&T2]  

00007FF7ED043A9D  mov         rdi,rcx  

00007FF7ED043AA0  lea         rsi,[rdx+rax]  

00007FF7ED043AA4  mov         ecx,0Ch  

00007FF7ED043AA9  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043AAB  lea         r8,[rbp+0E00h]  

00007FF7ED043AB2  lea         rdx,[rbp+0DD0h]  

00007FF7ED043AB9  lea         rcx,[rbp+844h]  

00007FF7ED043AC0  call        line::line (07FF7ECFC39CDh)  

00007FF7ED043AC5  lea         rcx,[rbp+0E60h]  

00007FF7ED043ACC  mov         rdi,rcx  

00007FF7ED043ACF  mov         rsi,rax  

00007FF7ED043AD2  mov         ecx,18h  

00007FF7ED043AD7  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043AD9  lea         rax,[rbp+0E30h]  

00007FF7ED043AE0  lea         rcx,[p1]  

00007FF7ED043AE4  mov         rdi,rax  

00007FF7ED043AE7  mov         rsi,rcx  

00007FF7ED043AEA  mov         ecx,10h  

00007FF7ED043AEF  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043AF1  lea         r8,[Hit0]  

00007FF7ED043AF5  lea         rdx,[rbp+0E60h]  

00007FF7ED043AFC  lea         rcx,[rbp+0E30h]  

00007FF7ED043B03  call        LineIntersect (07FF7ECFC3202h)  

	if (Hit0.t > -0.08f && Hit0.t < 1.08f)

00007FF7ED043B08  movss       xmm0,dword ptr [Hit0]  

00007FF7ED043B0D  comiss      xmm0,dword ptr [__real@bda3d70a (07FF7ED080704h)]  

00007FF7ED043B14  jbe         TriangleTriangleIntersect+16Eh (07FF7ED043B1Eh)  

	if (Hit0.t > -0.08f && Hit0.t < 1.08f)

00007FF7ED043B16  movss       xmm0,dword ptr [__real@3f8a3d71 (07FF7ED080684h)]  

		Hit0.bHit == true;



	LineIntersectResult Hit1;

00007FF7ED043B1E  lea         rcx,[Hit1]  

00007FF7ED043B25  call        LineIntersectResult::LineIntersectResult (07FF7ECFC2B45h)  

	LineIntersect(p1, line(T2.vPoint[0], T2.vPoint[2]), &Hit1);

00007FF7ED043B2A  mov         eax,0Ch  

00007FF7ED043B2F  imul        rax,rax,2  

00007FF7ED043B33  lea         rcx,[rbp+0ED0h]  

00007FF7ED043B3A  mov         rdx,qword ptr [&T2]  

00007FF7ED043B41  mov         rdi,rcx  

00007FF7ED043B44  lea         rsi,[rdx+rax]  

00007FF7ED043B48  mov         ecx,0Ch  

00007FF7ED043B4D  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043B4F  mov         eax,0Ch  

00007FF7ED043B54  imul        rax,rax,0  

00007FF7ED043B58  lea         rcx,[rbp+0EA0h]  

00007FF7ED043B5F  mov         rdx,qword ptr [&T2]  

00007FF7ED043B66  mov         rdi,rcx  

00007FF7ED043B69  lea         rsi,[rdx+rax]  

00007FF7ED043B6D  mov         ecx,0Ch  

00007FF7ED043B72  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043B74  lea         r8,[rbp+0ED0h]  

00007FF7ED043B7B  lea         rdx,[rbp+0EA0h]  

00007FF7ED043B82  lea         rcx,[rbp+874h]  

00007FF7ED043B89  call        line::line (07FF7ECFC39CDh)  

00007FF7ED043B8E  lea         rcx,[rbp+0F30h]  

00007FF7ED043B95  mov         rdi,rcx  

00007FF7ED043B98  mov         rsi,rax  

00007FF7ED043B9B  mov         ecx,18h  

00007FF7ED043BA0  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043BA2  lea         rax,[rbp+0F00h]  

00007FF7ED043BA9  lea         rcx,[p1]  

00007FF7ED043BAD  mov         rdi,rax  

00007FF7ED043BB0  mov         rsi,rcx  

00007FF7ED043BB3  mov         ecx,10h  

00007FF7ED043BB8  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043BBA  lea         r8,[Hit1]  

00007FF7ED043BC1  lea         rdx,[rbp+0F30h]  

00007FF7ED043BC8  lea         rcx,[rbp+0F00h]  

00007FF7ED043BCF  call        LineIntersect (07FF7ECFC3202h)  

	if (Hit1.t > -0.08f && Hit1.t < 1.08f)

00007FF7ED043BD4  movss       xmm0,dword ptr [Hit1]  

00007FF7ED043BDC  comiss      xmm0,dword ptr [__real@bda3d70a (07FF7ED080704h)]  

00007FF7ED043BE3  jbe         TriangleTriangleIntersect+23Dh (07FF7ED043BEDh)  

00007FF7ED043BE5  movss       xmm0,dword ptr [__real@3f8a3d71 (07FF7ED080684h)]  

		Hit1.bHit == true;



	LineIntersectResult Hit2;

00007FF7ED043BED  lea         rcx,[Hit2]  

00007FF7ED043BF4  call        LineIntersectResult::LineIntersectResult (07FF7ECFC2B45h)  

	LineIntersect(p1, line(T2.vPoint[1], T2.vPoint[2]), &Hit2);

00007FF7ED043BF9  mov         eax,0Ch  

00007FF7ED043BFE  imul        rax,rax,2  

00007FF7ED043C02  lea         rcx,[rbp+0FA0h]  

00007FF7ED043C09  mov         rdx,qword ptr [&T2]  

00007FF7ED043C10  mov         rdi,rcx  

00007FF7ED043C13  lea         rsi,[rdx+rax]  

00007FF7ED043C17  mov         ecx,0Ch  

00007FF7ED043C1C  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043C1E  mov         eax,0Ch  

00007FF7ED043C23  imul        rax,rax,1  

00007FF7ED043C27  lea         rcx,[rbp+0F70h]  

00007FF7ED043C2E  mov         rdx,qword ptr [&T2]  

00007FF7ED043C35  mov         rdi,rcx  

00007FF7ED043C38  lea         rsi,[rdx+rax]  

00007FF7ED043C3C  mov         ecx,0Ch  

00007FF7ED043C41  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043C43  lea         r8,[rbp+0FA0h]  

00007FF7ED043C4A  lea         rdx,[rbp+0F70h]  

00007FF7ED043C51  lea         rcx,[rbp+8A4h]  

00007FF7ED043C58  call        line::line (07FF7ECFC39CDh)  

00007FF7ED043C5D  lea         rcx,[rbp+1000h]  

00007FF7ED043C64  mov         rdi,rcx  

00007FF7ED043C67  mov         rsi,rax  

00007FF7ED043C6A  mov         ecx,18h  

00007FF7ED043C6F  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043C71  lea         rax,[rbp+0FD0h]  

00007FF7ED043C78  lea         rcx,[p1]  

00007FF7ED043C7C  mov         rdi,rax  

00007FF7ED043C7F  mov         rsi,rcx  

00007FF7ED043C82  mov         ecx,10h  

00007FF7ED043C87  rep movs    byte ptr [rdi],byte ptr [rsi]  

00007FF7ED043C89  lea         r8,[Hit2]  

00007FF7ED043C90  lea         rdx,[rbp+1000h]  

00007FF7ED043C97  lea         rcx,[rbp+0FD0h]  

00007FF7ED043C9E  call        LineIntersect (07FF7ECFC3202h)  

	if (Hit2.t > -0.08f && Hit2.t < 1.08f)

00007FF7ED043CA3  movss       xmm0,dword ptr [Hit2]  

00007FF7ED043CAB  comiss      xmm0,dword ptr [__real@bda3d70a (07FF7ED080704h)]  

00007FF7ED043CB2  jbe         TriangleTriangleIntersect+30Ch (07FF7ED043CBCh)  

00007FF7ED043CB4  movss       xmm0,dword ptr [__real@3f8a3d71 (07FF7ED080684h)]  

		Hit2.bHit == true;
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