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| author | Jim Wilson <wilson@cygnus.com> | 2000-08-22 00:36:44 +0000 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 2000-08-21 17:36:44 -0700 |
| commit | 280db205772451c9025357ba24359ff18b56de70 (patch) | |
| tree | 10a314d9ea9934ac7fdde1c9392d0e4fb5da17b3 /gcc | |
| parent | 94c21c17374d919e22f8ecce203e12744f5595e3 (diff) | |
| download | gcc-280db205772451c9025357ba24359ff18b56de70.zip gcc-280db205772451c9025357ba24359ff18b56de70.tar.gz gcc-280db205772451c9025357ba24359ff18b56de70.tar.bz2 | |
Fix x86-x-ia64 cross compiler build failure.
* real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
INTEL_EXTENDED_IEEE_FORMAT.
(toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
clear last two bytes of output FP value.
From-SVN: r35861
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/real.c | 36 |
2 files changed, 27 insertions, 16 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b3dce41..384fb53 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2000-08-21 Jim Wilson <wilson@cygnus.com> + + * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle + INTEL_EXTENDED_IEEE_FORMAT. + (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally + clear last two bytes of output FP value. + 2000-08-21 Graham Stott <grahams@cygnus.co.uk> * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL. @@ -882,8 +882,13 @@ ereal_from_int (d, i, j, mode) break; case 128: +#ifndef INTEL_EXTENDED_IEEE_FORMAT etoe113 (dg, df); e113toe (df, dg); +#else + etoe64 (dg, df); + e64toe (df, dg); +#endif break; default: @@ -936,8 +941,13 @@ ereal_from_uint (d, i, j, mode) break; case 128: +#ifndef INTEL_EXTENDED_IEEE_FORMAT etoe113 (dg, df); e113toe (df, dg); +#else + etoe64 (dg, df); + e64toe (df, dg); +#endif break; default: @@ -3666,22 +3676,11 @@ toe64 (a, b) else { q = b + 4; /* point to output exponent */ - /* The purpose of this conditional is to avoid scribbling beyond - the end of a long double, in case the type is only 80 bits wide. */ - if (LONG_DOUBLE_TYPE_SIZE == 96) - { - /* Clear the last two bytes of 12-byte Intel format */ - *(q+1) = 0; - } -#ifdef INTEL_EXTENDED_IEEE_FORMAT - if (LONG_DOUBLE_TYPE_SIZE == 128) - { - /* Clear the last 6 bytes of 16-byte Intel format. */ - q[1] = 0; - q[2] = 0; - q[3] = 0; - } -#endif + /* Clear the last two bytes of 12-byte Intel format. q is pointing + into an array of size 6 (e.g. x[NE]), so the last two bytes are + always there, and there are never more bytes, even when we are using + INTEL_EXTENDED_IEEE_FORMAT. */ + *(q+1) = 0; } #endif @@ -6917,8 +6916,13 @@ switch (GET_MODE_BITSIZE (mode)) case 96: return 64; + case 128: +#ifndef INTEL_EXTENDED_IEEE_FORMAT return 113; +#else + return 64; +#endif default: abort (); |