[4/6] sim/common: Wire in df/di conversion
Commit Message
Up until now these have not been used in any CGEN targets, add them as
they are now used by OpenRISC.
sim/common/ChangeLog:
* cgen-accfp.c (floatdidf, fixdfdi): New functions.
(cgen_init_accurate_fpu): Add floatdidf and fixdfdi.
---
sim/common/cgen-accfp.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
@@ -349,6 +349,17 @@ floatsidf (CGEN_FPU* fpu, int how UNUSED, SI x)
return res;
}
+static DF
+floatdidf (CGEN_FPU* fpu, int how UNUSED, DI x)
+{
+ sim_fpu ans;
+ unsigned64 res;
+
+ sim_fpu_i64to (&ans, x, sim_fpu_round_near);
+ sim_fpu_to64 (&res, &ans);
+ return res;
+}
+
static SF
ufloatsisf (CGEN_FPU* fpu, int how UNUSED, USI x)
{
@@ -382,6 +393,17 @@ fixdfsi (CGEN_FPU* fpu, int how UNUSED, DF x)
return res;
}
+static DI
+fixdfdi (CGEN_FPU* fpu, int how UNUSED, DF x)
+{
+ sim_fpu op1;
+ unsigned64 res;
+
+ sim_fpu_64to (&op1, x);
+ sim_fpu_to64i (&res, &op1, sim_fpu_round_near);
+ return res;
+}
+
static USI
ufixsfsi (CGEN_FPU* fpu, int how UNUSED, SF x)
{
@@ -739,8 +761,10 @@ cgen_init_accurate_fpu (SIM_CPU* cpu, CGEN_FPU* fpu, CGEN_FPU_ERROR_FN* error)
o->ftruncdfsf = ftruncdfsf;
o->floatsisf = floatsisf;
o->floatsidf = floatsidf;
+ o->floatdidf = floatdidf;
o->ufloatsisf = ufloatsisf;
o->fixsfsi = fixsfsi;
o->fixdfsi = fixdfsi;
+ o->fixdfdi = fixdfdi;
o->ufixsfsi = ufixsfsi;
}