From 2a3ebe774cfd41fa47a986ad679381aa3dcf7b76 Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Sun, 27 Nov 2005 01:40:01 +0000 Subject: 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 --- gcc/config/floatunsisf.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 gcc/config/floatunsisf.c (limited to 'gcc/config/floatunsisf.c') 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; +} -- cgit v1.1