GCC 9.1

Musi waChivabvu 3, kuburitswa kwekutanga pachena kwechipfumbamwe vhezheni yeGCC kwakaitika: GCC 9.1.
Iine zvakawanda zvakakosha kuvandudzwa uye kuwedzera zvichienzaniswa neyechisere
shanduro.

Kazhinji shanduko

mikana

• Mirairo inogamuchira saizi ikozvino inotsigira 64-bit kukosha uye suffixes kutsanangura saizi;
• Yakawedzerwa sarudzo -five-patching, kudzora optimizations inogona kukanganisa kusimba, kutsiva kodhi;
• Yakawedzerwa --kupedzisa sarudzo yekutsigira auto-kupedzisa mugomba rekuraira;
• Compiler diagnostics ikozvino inosanganisira nhamba dzemutsara (-fno-diagnostics-show-line-nhamba) uye
  nyora ruzivo (fno-diagnostics-show-labels);
• Yakawedzerwa sarudzo -fdiagnostics-format=json kuburitsa diagnostics muJSON fomati;
• Sarudzo dzekutsanangura kurongeka (-falign-mabasa, semuenzaniso) ikozvino inogona kugamuchira mashoma ekugadzirisa sarudzo;
• Yakawedzerwa sarudzo dzekusefa rondedzero yemafaira (-fprofile-sefa-mafaira, -fprofile-isina-mafaira), izvo zvinoshandiswa neprofiler;
• KeroSanitizer ikozvino inoshandisa yakawedzera compact kurongeka kubata zvisina kufanira kupinda kune zvinosiyana pane stack;
• Mazhinji ekubuda kuvandudzwa -fopt-info;
• Yakawedzerwa sarudzo -fsave-optimization-rekodhi kuchengetedza iyo optimization report kune faira;
• Yakawedzerwa sarudzo -fipa-stack-alignment и -fipa-reference-addressable.

Zvitsva zvakavakwa-mukati

• __builtin_expect_with_probability;
• __builtin_has_attribute;
• __builtin_speculation_safe_value.

Hunhu hutsva

• mufananidzo.

Zvimwe

Dzakawanda kodhi kugadzirwa kwekuvandudza zvinoenderana ne:

• kugadzirwa kwekuchinja kwekugadzira;
• inter-procedural optimizations;
• optimization yakavakirwa paruzivo rweprofile;
• optimization panguva yegungano (LTO);

Zvakare gov's yemukati fomati yave JSON, uye sarudzo nyowani --shandisa-kupisa-mavara inosanganisira mitsara yemavara yekodhi zvichienderana nekuti inoshandiswa kakawanda sei.

Mitauro

Hunhu uye kukwana kwekuita OpenACC mitauro C, C++, uye Fortran inoramba ichivandudza.

C-semitauro

• Rutsigiro rwakakwana rweOpenMP 5.0 rwaitwa;
• Akawedzera basa __builtin_convertvector;
• Yakawedzerwa yambiro -Wadhiresi-ye-yakazara-nhengo;
• Kuvandudzwa kune dzinoverengeka dziripo yambiro;
• Chinyorwa chemhosho kana uchipfuudza nhamba isiriyo yenharo kune macro zvino chinosanganisira kuziviswa kweiyo macro pachayo;
• Kunatsurudzwa kwetaipa kururamisa mazano.

C

• Tsigira _Static_assert nenharo imwe yekuti -std=c2x (remangwana C chiyero);
• Yambiro itsva -Wabsolute-value, iyo inobata iyo isiriyo nharo mhando yemabasa akaita se abs().

C ++

• Yambiro itsva: -Yakavharwa-kopi,
  -Winit-list-hupenyu hwose,
  -Wredundant-kufamba,
  -Wpessimizing-kufamba,
  -Wclass-kutendeuka;
• Basa riri kuenderera mberi rekushandisa zvinhu zvitsva kubva kune ramangwana chiyero C++2a;
• Iyo yekumberi ikozvino inochengetedza ruzivo rwakanyanya nezve akati wandei sosi kodhi zvinhu, izvo zvinokutendera kuti uratidze ruzivo rwakadzama mune diagnostics;
• Kuvandudzwa kwekuongorora kwemabasa akaremerwa, mabhinari anoshanda, nhare dzebasa uye fomati tambo;
• Yakawedzera otomatiki zvigadziriso zvinotsigirwa nedzimwe nharaunda dzebudiriro kune akati wandei zvikanganiso zvakakurumbira (zvisipo maparentheses, namespaces, typos, nezvimwewo).

libstdc++

• Iko C ++ 17 kushandiswa hakusisiri kuedza;
• Yakawedzera parallel algorithms, , , A haichada -lstdc++fs;
• Yakavandudzwa kuyedza rutsigiro rweC++2a ( , , std::bind_mberi, nezvimwewo);
• Tsigiro yekuvhura mafaera hova paWindows ane nzira dzine asiri-char mavara;
• Rutsigiro rwekutanga paWindows;
• Kutanga kutsigirwa kweNetworking TS.

D

D mutauro shanduro 2.076 inosanganisirwa muGCC.

Fortran

• Tsigiro yakazara yeasynchronous I/O;
• Yakaitwa BACK nharo yeMINLOC uye MAXLOC;
• Yakaitwa FINDLOC uye IS_CONTIGOUS mabasa;
• Iyo syntax yekuwana zvikamu zvenhamba dzakaoma yakaitwa: c%re uye c% im;
• Yakashandiswa syntax str% len uye a% rudzi;
• Yakaitwa C descriptors uye ISO_Fortran_binding.h musoro;
• Relaxed zvinodiwa zvemhedzisiro yeMAX uye MIN mabasa kana imwe yenharo iri NaN;
• Yakawedzerwa sarudzo -fdec-inosanganisira;
• Directive yakawedzerwa BUILTIN.

libgccjit

• Akawedzera basa gcc_jit_context_add_driver_option.

Zvimwe

Mazhinji ekuvaka- uye OS-chaiwo shanduko.

Source: linux.org.ru