[v2,4/6] 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(+)
Comments
* Stafford Horne <shorne@gmail.com> [2019-04-10 06:39:23 +0900]:
> 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.
This is fine.
thanks,
Andrew
> ---
> sim/common/cgen-accfp.c | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/sim/common/cgen-accfp.c b/sim/common/cgen-accfp.c
> index 5d600c6e41..51f5a29fe2 100644
> --- a/sim/common/cgen-accfp.c
> +++ b/sim/common/cgen-accfp.c
> @@ -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;
> }
> --
> 2.19.1
>
@@ -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;
}