Bake PSYQ default compiler flags into the -psx flavours of the compilers

[mkst]

per title.

e.g. PSYQ 2.95.2:

GNU C version 2.8.1 SN32 BUILD 4.0.0010 (PSX) compiled by CC.
options passed:
options enabled:  -fpeephole -ffunction-cse -fkeep-static-consts
 -fpcc-struct-return -fcommon -fgnu-linker -msplit-addresses -mgas -mgpOPT
 -mgpopt -msoft-float -mcpu=R3000

our gcc-2.8.1-psx:

GNU C version 2.8.1 (mips-sony-psx) compiled by GNU C version 9.4.0.
options passed: 
options enabled:  -fpeephole -ffunction-cse -fkeep-static-consts
 -fpcc-struct-return -fcommon -fgnu-linker -mcpu=R3000

[mkst]

work-in-progress.. PR incoming when I get a bit further.

2.6.0 🟢

psyq:

GNU C 2.6.0 [AL 1.1, MM 40] Sony Playstation compiled by GNU C

Cc1 defaults:
-mgas -msoft-float

Cc1 arguments (-G value = 8, Cpu = 3000, ISA = 1):

old-gcc:

 # GNU C 2.6.0 [AL 1.1, MM 40] Sony Playstation compiled by GNU C

 # Cc1 defaults:
 # -mgas -msoft-float

 # Cc1 arguments (-G value = 8, Cpu = 3000, ISA = 1):

2.7.2 🟢

psyq:

GNU C++ 2.7.2.SN.1 [AL 1.1, MM 40] Sony Playstation compiled by GNU C

Cc1 defaults:
-mgas -msoft-float

Cc1 arguments (-G value = 8, Cpu = 3000, ISA = 1):

old-gcc:

 # GNU C 2.7.2 [AL 1.1, MM 40] Sony Playstation compiled by GNU C

 # Cc1 defaults:
 # -mgas -msoft-float

 # Cc1 arguments (-G value = 8, Cpu = R3000, ISA = 1):

2.8.0 🟢

psyq:

GNU C version 2.8.0 SN32 Build 4.0.0007 (SonyPlayStation) compiled by CC.
options passed:
options enabled:  -fpeephole -ffunction-cse -fkeep-static-consts
 -fpcc-struct-return -fcommon -fgnu-linker -msplit-addresses -mgas -mgpOPT
 -mgpopt -msoft-float -mcpu=R3000

old-gcc:

GNU C version 2.8.0 (mips-sony-psx) compiled by GNU C version 9.4.0.
options passed: 
options enabled:  -fpeephole -ffunction-cse -fkeep-static-consts
 -fpcc-struct-return -fcommon -fgnu-linker -msplit-addresses -mgas -mgpOPT
 -mgpopt -msoft-float -mcpu=R3000

2.8.1 🟢

psyq:

GNU C version 2.8.1 SN32 BUILD 4.0.0010 (PSX) compiled by CC.
options passed:
options enabled:  -fpeephole -ffunction-cse -fkeep-static-consts
 -fpcc-struct-return -fcommon -fgnu-linker -msplit-addresses -mgas -mgpOPT
 -mgpopt -msoft-float -mcpu=R3000

old-gcc:

GNU C version 2.8.1 (mips-sony-psx) compiled by GNU C version 9.4.0.
options passed: 
options enabled:  -fpeephole -ffunction-cse -fkeep-static-consts
 -fpcc-struct-return -fcommon -fgnu-linker -msplit-addresses -mgas -mgpOPT
 -mgpopt -msoft-float -mcpu=R3000

2.91.66 🟢

psyq:

GNU C version egcs-2.91.66 19990314 (egcs-1.1.2 release) (PSX) compiled by CC.
options passed:
options enabled:  -fpeephole -ffunction-cse -fkeep-static-consts
 -fpcc-struct-return -fcommon -fgnu-linker -fargument-alias
 -msplit-addresses -mgas -mgpOPT -mgpopt -msoft-float -mcpu=r3000

old-gcc:

GNU C version egcs-2.91.66 19990314 (egcs-1.1.2 release) (mips-sony-psx) compiled by GNU C version 9.4.0.
options passed: 
options enabled:  -fpeephole -ffunction-cse -fkeep-static-consts
 -fpcc-struct-return -fcommon -fgnu-linker -fargument-alias
 -msplit-addresses -mgas -mgpOPT -mgpopt -msoft-float -mcpu=R3000

2.95.2 🟢

psyq:

GNU C version 2.95.2 19991024 BUILD 4.0.0030 (PSX) compiled by CC.
options passed:
options enabled:  -fpeephole -ffunction-cse -fkeep-static-consts
 -fpcc-struct-return -fcommon -fgnu-linker -fargument-alias -fident
 -msplit-addresses -mgas -mgpOPT -mgpopt -msoft-float -mcpu=r3000

old-gcc:

GNU C version 2.95.2 19991024 (release) (mips-sony-psx) compiled by GNU C version 9.4.0.
options passed: 
options enabled:  -fpeephole -ffunction-cse -fkeep-static-consts
 -fpcc-struct-return -fcommon -fgnu-linker -fargument-alias -fident
 -msplit-addresses -mgas -mgpOPT -mgpopt -msoft-float -mcpu=R3000