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| author | Joseph Myers <joseph@codesourcery.com> | 2005-11-27 01:40:01 +0000 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2005-11-27 01:40:01 +0000 |
| commit | 2a3ebe774cfd41fa47a986ad679381aa3dcf7b76 (patch) | |
| tree | 2db07474144f37c8bebba3285efbcf75df9b6387 /gcc/config/floatunsisf.c | |
| parent | b48a88cdcb63e1fb4cf01528d87dafe5d3d9d0f3 (diff) | |
| download | gcc-2a3ebe774cfd41fa47a986ad679381aa3dcf7b76.zip gcc-2a3ebe774cfd41fa47a986ad679381aa3dcf7b76.tar.gz gcc-2a3ebe774cfd41fa47a986ad679381aa3dcf7b76.tar.bz2 | |
floatunsisf.c, [...]: New files.
* config/floatunsisf.c, config/floatunsidf.c,
config/floatunsixf.c, config/floatunsitf.c: New files.
* config/ia64/t-hpux: Add floatunsitf.c.
* config/ia64/ia64.c (ia64_init_libfuncs): Use
_U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
From-SVN: r107558
Diffstat (limited to 'gcc/config/floatunsisf.c')
| -rw-r--r-- | gcc/config/floatunsisf.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/config/floatunsisf.c b/gcc/config/floatunsisf.c new file mode 100644 index 0000000..11d4aa7 --- /dev/null +++ b/gcc/config/floatunsisf.c @@ -0,0 +1,18 @@ +/* Public domain. */ +typedef int SItype __attribute__ ((mode (SI))); +typedef unsigned int USItype __attribute__ ((mode (SI))); +typedef float SFtype __attribute__ ((mode (SF))); + +SFtype +__floatunsisf (USItype u) +{ + SItype s = (SItype) u; + if (s < 0) + { + /* As in expand_float, compute (u & 1) | (u >> 1) to ensure + correct rounding if a nonzero bit is shifted out. */ + return (SFtype) 2.0 * (SFtype) (SItype) ((u & 1) | (u >> 1)); + } + else + return (SFtype) s; +} |