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| author | vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-01-19 12:03:01 +0000 |
|---|---|---|
| committer | vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-01-19 12:03:01 +0000 |
| commit | dd84cabc8a66a139b7d429dcd9b37030bc6963c4 (patch) | |
| tree | ed369eff236e0ae27f442c15fba0966a72f573b4 /gcc/invoke.texi | |
| parent | 417defa436653a97504ee91a2faf383b434a2330 (diff) | |
| download | ppe42-gcc-dd84cabc8a66a139b7d429dcd9b37030bc6963c4.tar.gz ppe42-gcc-dd84cabc8a66a139b7d429dcd9b37030bc6963c4.zip | |
1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
* invoke.texi (-mlong-double-64): New option description.
1999-01-19 Jim Wilson <wilson@cygnus.com>
* libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
if not defined.
* i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
(CPP_SPECS): Add -mlong-double-64 support.
(TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
(TARGET_SWITCHES): Add -mlong-double-64 support.
(LONG_DOUBLE_TYPE_SIZE): Likewise.
(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
* i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
(CPP_SPECS): Add -mlong-double-64 support.
* i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
(MULTILIB_DIRNAMES): Add ld64.
* i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@24764 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/invoke.texi')
| -rw-r--r-- | gcc/invoke.texi | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/invoke.texi b/gcc/invoke.texi index f30116f66c6..7f4bd146e04 100644 --- a/gcc/invoke.texi +++ b/gcc/invoke.texi @@ -5255,6 +5255,15 @@ Do not permit (do permit) unaligned accesses. @item -mold-align Enable structure-alignment compatibility with Intel's gcc release version 1.3 (based on gcc 1.37). This option implies @samp{-mstrict-align}. + +@item -mlong-double-64 +Implement type @samp{long double} as 64-bit floating point numbers. +Without the option @samp{long double} is implemented by 80-bit +floating point numbers. The only reason we have it because there is +no 128-bit @samp{long double} support in @samp{fp-bit.c} yet. So it +is only useful for people using soft-float targets. Otherwise, we +should recommend against use of it. + @end table @node DEC Alpha Options |
