diff options
Diffstat (limited to 'gcc/config/alpha/osf5.h')
-rw-r--r-- | gcc/config/alpha/osf5.h | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/gcc/config/alpha/osf5.h b/gcc/config/alpha/osf5.h index 1c336bd0670..c832c574188 100644 --- a/gcc/config/alpha/osf5.h +++ b/gcc/config/alpha/osf5.h @@ -1,5 +1,5 @@ /* Definitions of target machine for GNU compiler, for DEC Alpha on Tru64 5. - Copyright (C) 2000 Free Software Foundation, Inc. + Copyright (C) 2000, 2001 Free Software Foundation, Inc. This file is part of GNU CC. @@ -20,3 +20,35 @@ #undef LONG_DOUBLE_TYPE_SIZE #define LONG_DOUBLE_TYPE_SIZE 128 + +/* Tru64 UNIX V5 has a 16 byte long double type and requires __X_FLOAT to be + defined to get the appropriate prototypes for the long double functions + in <math.h>. */ + +#undef CPP_XFLOAT_SPEC +#define CPP_XFLOAT_SPEC "-D__X_FLOAT" + +/* In Tru64 UNIX V5.1, Compaq introduced a new assembler + (/usr/lib/cmplrs/cc/adu) which currently (versions between 3.04.29 and + 3.04.32) breaks mips-tfile. Passing the undocumented -oldas flag reverts + to using the old assembler (/usr/lib/cmplrs/cc/as[01]). + + The V5.0 and V5.0A assemblers silently ignore -oldas, so it can be + specified here. + + It is clearly not desirable to depend on this undocumented flag, and + Compaq wants -oldas to go away soon, but until they have released a + new adu that works with mips-tfile, this is the only option. + + In some versions of the DTK, the assembler driver invokes ld after + assembly. This has been fixed in current versions, but adding -c + works as expected for all versions. */ + +#undef ASM_OLDAS_SPEC +#define ASM_OLDAS_SPEC "-oldas -c" + +/* The linker appears to perform invalid code optimizations that result + in the ldgp emitted for the exception_receiver pattern being incorrectly + linked. */ +#undef TARGET_LD_BUGGY_LDGP +#define TARGET_LD_BUGGY_LDGP 1 |