diff options
Diffstat (limited to 'contrib/gcc/config/gofast.h')
| -rw-r--r-- | contrib/gcc/config/gofast.h | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/contrib/gcc/config/gofast.h b/contrib/gcc/config/gofast.h index 4c3c0ea..84e9018 100644 --- a/contrib/gcc/config/gofast.h +++ b/contrib/gcc/config/gofast.h @@ -1,5 +1,5 @@ /* US Software GOFAST floating point library support. - Copyright (C) 1994, 1998, 1999 Free Software Foundation, Inc. + Copyright (C) 1994, 1998, 1999, 2002 Free Software Foundation, Inc. This file is part of GNU CC. @@ -43,6 +43,11 @@ Boston, MA 02111-1307, USA. */ neg_optab->handlers[(int) mode].libfunc = NULL_RTX; \ } while (0) +/* GCC does not use fpcmp/dpcmp for gt or ge because its own + FP-emulation library returns +1 for both > and unord. So we leave + gt and ge unset, such that, instead of fpcmp(a,b) >[=], we generate + fpcmp(b,a) <[=] 0, which is unambiguous. For unord libfuncs, we + use our own functions, since GOFAST doesn't supply them. */ #define GOFAST_RENAME_LIBCALLS \ add_optab->handlers[(int) SFmode].libfunc = init_one_libfunc ("fpadd"); \ add_optab->handlers[(int) DFmode].libfunc = init_one_libfunc ("dpadd"); \ @@ -58,17 +63,24 @@ Boston, MA 02111-1307, USA. */ extendsfdf2_libfunc = init_one_libfunc ("fptodp"); \ truncdfsf2_libfunc = init_one_libfunc ("dptofp"); \ \ + eqhf2_libfunc = NULL_RTX; \ + nehf2_libfunc = NULL_RTX; \ + gthf2_libfunc = NULL_RTX; \ + gehf2_libfunc = NULL_RTX; \ + lthf2_libfunc = NULL_RTX; \ + lehf2_libfunc = NULL_RTX; \ +\ eqsf2_libfunc = init_one_libfunc ("fpcmp"); \ nesf2_libfunc = init_one_libfunc ("fpcmp"); \ - gtsf2_libfunc = init_one_libfunc ("fpcmp"); \ - gesf2_libfunc = init_one_libfunc ("fpcmp"); \ + gtsf2_libfunc = NULL_RTX; \ + gesf2_libfunc = NULL_RTX; \ ltsf2_libfunc = init_one_libfunc ("fpcmp"); \ lesf2_libfunc = init_one_libfunc ("fpcmp"); \ \ eqdf2_libfunc = init_one_libfunc ("dpcmp"); \ nedf2_libfunc = init_one_libfunc ("dpcmp"); \ - gtdf2_libfunc = init_one_libfunc ("dpcmp"); \ - gedf2_libfunc = init_one_libfunc ("dpcmp"); \ + gtdf2_libfunc = NULL_RTX; \ + gedf2_libfunc = NULL_RTX; \ ltdf2_libfunc = init_one_libfunc ("dpcmp"); \ ledf2_libfunc = init_one_libfunc ("dpcmp"); \ \ |
