pinging this with more changes: https://gcc.gnu.org/ml/gcc-patches/2019-03/msg01471.html
S A Free simulator does not exist. HPPA and alpha are supported by QEMU. https://wiki.qemu.org/Features/HPPA https://wiki.qemu.org/Documentation/Platforms/Alpha VAX is supported by SIMH. http://simh.trailing-edge.com/ Index: backends.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/backends.html,v retrieving revision 1.84 diff -u -r1.84 backends.html --- backends.html 18 Jan 2019 11:52:12 -0000 1.84 +++ backends.html 13 Jun 2019 14:35:24 -0000 @@ -69,7 +69,7 @@ Target | HMSLQNFICBD lqrcpbfmgiates -----------+--------------------------- aarch64 | Q q b gia s -alpha | ?? Q C q mgi e +alpha | ? Q C q mgi e arc | B b gia arm | b ia s avr | L FI l cp g @@ -101,7 +101,7 @@ nds32 | F C ia s nios2 | C ia nvptx | S Q C q mg e -pa | ? Q CBD qr b i e +pa | Q CBD qr b i e pdp11 | L IC qr b e powerpcspe | Q C qr pb ia riscv | Q C qr gia @@ -116,7 +116,7 @@ tilegx | S Q C q gi e tilepro | S F C gi e v850 | g a s -vax | M? I c b i e +vax | M I c b i e visium | B g t s xtensa | C </pre>