| Message ID | CAGWvnyncsPPCC0FSaXaS7nMDrYzb6fo6MBvjNu6rq11z6UuuYQ@mail.gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [AIX] Alias -m64 to -maix64 and -m32 to -maix32 | expand |
diff --git a/gcc/config/rs6000/aix.h b/gcc/config/rs6000/aix.h index b116e1a36bb..662785cc7db 100644 --- a/gcc/config/rs6000/aix.h +++ b/gcc/config/rs6000/aix.h @@ -280,3 +280,9 @@ #define RS6000_USE_DWARF_NUMBERING #define TARGET_PRECOMPUTE_TLS_P rs6000_aix_precompute_tls_p + +/* Replace -m64 with -maix64 and -m32 with -maix32. */ +#undef SUBTARGET_DRIVER_SELF_SPECS +#define SUBTARGET_DRIVER_SELF_SPECS \ +"%{m64:-maix64} %<m64", \ +"%{m32:-maix32} %<m32" diff --git a/gcc/config/rs6000/aix64.opt b/gcc/config/rs6000/aix64.opt index 7673c91e013..8473b110539 100644 --- a/gcc/config/rs6000/aix64.opt +++ b/gcc/config/rs6000/aix64.opt @@ -53,3 +53,9 @@ Driver pthread Driver + +m64 +Driver + +m32 +Driver
GCC on AIX historically has used -maix64 and -maix32 to switch to 64 bit mode or 32 bit mode, unlike other ports that use -m64 and -m32. The Alias() directive for options cannot be used because aix64 is expected in multiple parts of the compiler infrastructure and one cannot switch to -m64 due to backward compatibility. This patch defines DRIVER_SELF_SPECS to translate -m64 to -maix64 and -m32 to -maix32 so that the command line option compatible with other targets can be used while continuing to allow the historical options. Bootstrapped on powerpc-ibm-aix7.2.3.0 Thanks, David gcc/ChangeLog: * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New. * config/rs6000/aix64.opt (m64): New. (m32): New.