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* [Bug target/82680] Use cmpXXss and cmpXXsd for setcc boolean compare [not found] <bug-82680-4@http.gcc.gnu.org/bugzilla/> @ 2021-08-18 21:10 ` pinskia at gcc dot gnu.org 2021-08-18 21:11 ` pinskia at gcc dot gnu.org 1 sibling, 0 replies; 2+ messages in thread From: pinskia at gcc dot gnu.org @ 2021-08-18 21:10 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82680 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2021-08-18 Ever confirmed|0 |1 --- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- MSVC (in 64bit 19.30.30423.0) does: vucomisd xmm0, xmm1 jp SHORT $LN3@g jne SHORT $LN3@g mov eax, 1 ret 0 $LN3@g: xor eax, eax ret 0 MSVC (32bit, 19.30.30423.0) does: vmovsd xmm0, QWORD PTR _x$[esp-4] vucomisd xmm0, QWORD PTR _y$[esp-4] mov edx, 1 lahf xor ecx, ecx test ah, 68 ; 00000044H cmovnp ecx, edx mov eax, ecx ; Line 5 ret 0 I don't know why there is a difference as both are the same version. Confirmed. ^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug target/82680] Use cmpXXss and cmpXXsd for setcc boolean compare [not found] <bug-82680-4@http.gcc.gnu.org/bugzilla/> 2021-08-18 21:10 ` [Bug target/82680] Use cmpXXss and cmpXXsd for setcc boolean compare pinskia at gcc dot gnu.org @ 2021-08-18 21:11 ` pinskia at gcc dot gnu.org 1 sibling, 0 replies; 2+ messages in thread From: pinskia at gcc dot gnu.org @ 2021-08-18 21:11 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82680 --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #3) I should say this is with the following options: /O2 /std:c++latest /arch:AVX2 ^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-08-18 21:11 UTC | newest] Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- [not found] <bug-82680-4@http.gcc.gnu.org/bugzilla/> 2021-08-18 21:10 ` [Bug target/82680] Use cmpXXss and cmpXXsd for setcc boolean compare pinskia at gcc dot gnu.org 2021-08-18 21:11 ` pinskia at gcc dot gnu.org
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