diff mbox series

powerpc: Update sofp-fp ulps

Message ID 20240719142304.881545-1-adhemerval.zanella@linaro.org
State New
Headers show
Series powerpc: Update sofp-fp ulps | expand

Commit Message

Adhemerval Zanella Netto July 19, 2024, 2:22 p.m. UTC 
Results based on regen-ulps using gcc 11.2.1 on a POWER8 machine.
---
 sysdeps/powerpc/nofpu/libm-test-ulps | 103 +++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)

Comments

Andreas K. Huettel July 19, 2024, 5:32 p.m. UTC | #1 
Thanks; naturally ok for 2.40 and already pushed, minus one typo :)

Am Freitag, 19. Juli 2024, 16:22:58 MESZ schrieb Adhemerval Zanella:
> Results based on regen-ulps using gcc 11.2.1 on a POWER8 machine.
> ---
>  sysdeps/powerpc/nofpu/libm-test-ulps | 103 +++++++++++++++++++++++++++
>  1 file changed, 103 insertions(+)
> 
> diff --git a/sysdeps/powerpc/nofpu/libm-test-ulps b/sysdeps/powerpc/nofpu/libm-test-ulps
> index 94d737a400..fcebafc1d5 100644
> --- a/sysdeps/powerpc/nofpu/libm-test-ulps
> +++ b/sysdeps/powerpc/nofpu/libm-test-ulps
> @@ -918,6 +918,9 @@ ldouble: 10
>  Function: "div_ldouble":
>  float: 1
>  
> +Function: "div_towardzero_ldouble":
> +double: 1
> +
>  Function: "erf":
>  double: 1
>  float: 1
> @@ -982,6 +985,26 @@ double: 2
>  float: 1
>  ldouble: 4
>  
> +Function: "exp10m1":
> +double: 2
> +float: 1
> +ldouble: 3
> +
> +Function: "exp10m1_downward":
> +double: 1
> +float: 1
> +ldouble: 9
> +
> +Function: "exp10m1_towardzero":
> +double: 1
> +float: 1
> +ldouble: 9
> +
> +Function: "exp10m1_upward":
> +double: 3
> +float: 1
> +ldouble: 4
> +
>  Function: "exp2":
>  double: 1
>  float: 1
> @@ -1002,6 +1025,26 @@ double: 1
>  float: 1
>  ldouble: 2
>  
> +Function: "exp2m1":
> +double: 1
> +float: 1
> +ldouble: 2
> +
> +Function: "exp2m1_downward":
> +double: 2
> +float: 1
> +ldouble: 3
> +
> +Function: "exp2m1_towardzero":
> +double: 2
> +float: 1
> +ldouble: 3
> +
> +Function: "exp2m1_upward":
> +double: 1
> +float: 1
> +ldouble: 3
> +
>  Function: "exp_downward":
>  double: 1
>  float: 1
> @@ -1043,12 +1086,28 @@ ldouble: 1
>  Function: "fma_downward":
>  ldouble: 1
>  
> +Function: "fma_downward_ldouble":
> +double: 1
> +float: 1
> +
> +Function: "fma_ldouble":
> +double: 1
> +float: 1
> +
>  Function: "fma_towardzero":
>  ldouble: 2
>  
> +Function: "fma_towardzero_ldouble":
> +double: 1
> +float: 1
> +
>  Function: "fma_upward":
>  ldouble: 3
>  
> +Function: "fma_upward_ldouble":
> +double: 1
> +float: 1
> +
>  Function: "fmod":
>  ldouble: 1
>  
> @@ -1083,6 +1142,7 @@ ldouble: 11
>  
>  Function: "hypot":
>  double: 1
> +float: 1
>  ldouble: 1
>  
>  Function: "hypot_downward":
> @@ -1207,6 +1267,26 @@ double: 2
>  float: 2
>  ldouble: 2
>  
> +Function: "log10p1":
> +double: 1
> +float: 1
> +ldouble: 3
> +
> +Function: "log10p1_downward":
> +double: 2
> +float: 1
> +ldouble: 4
> +
> +Function: "log10p1_towardzero":
> +double: 2
> +float: 2
> +ldouble: 4
> +
> +Function: "log10p1_upward":
> +double: 2
> +float: 1
> +ldouble: 3
> +
>  Function: "log1p":
>  double: 1
>  float: 1
> @@ -1247,6 +1327,26 @@ double: 3
>  float: 3
>  ldouble: 4
>  
> +Function: "log2p1":
> +double: 1
> +float: 1
> +ldouble: 1
> +
> +Function: "log2p1_downward":
> +double: 2
> +float: 2
> +ldouble: 4
> +
> +Function: "log2p1_towardzero":
> +double: 2
> +float: 2
> +ldouble: 4
> +
> +Function: "log2p1_upward":
> +double: 1
> +float: 2
> +ldouble: 4
> +
>  Function: "log_downward":
>  float: 2
>  ldouble: 1
> @@ -1406,6 +1506,9 @@ ldouble: 1
>  Function: "sqrt_downward":
>  ldouble: 1
>  
> +Function: "sqrt_ldouble":
> +double: 1
> +
>  Function: "sqrt_towardzero":
>  ldouble: 1
>  
>
Paul Zimmermann July 19, 2024, 6:22 p.m. UTC | #2 
Hi,

I noticed that:

> > +Function: "div_towardzero_ldouble":
> > +double: 1

does it mean division is not correctly rounded?

Paul
Adhemerval Zanella Netto July 19, 2024, 6:34 p.m. UTC | #3 
> On 19 Jul 2024, at 15:22, Paul Zimmermann <Paul.Zimmermann@inria.fr> wrote:
> 
>        Hi,
> 
> I noticed that:
> 
>>> +Function: "div_towardzero_ldouble":
>>> +double: 1
> 
> does it mean division is not correctly rounded?
> 
> Paul

Yes, this is the IBM long double format which has a lot of corner cases and mostly used by old system/ABIs. IBM itself is moving towards IEEE 128 float, so I would not bother trying to fix it.
diff mbox series

Patch

diff --git a/sysdeps/powerpc/nofpu/libm-test-ulps b/sysdeps/powerpc/nofpu/libm-test-ulps
index 94d737a400..fcebafc1d5 100644
--- a/sysdeps/powerpc/nofpu/libm-test-ulps
+++ b/sysdeps/powerpc/nofpu/libm-test-ulps
@@ -918,6 +918,9 @@  ldouble: 10
 Function: "div_ldouble":
 float: 1
 
+Function: "div_towardzero_ldouble":
+double: 1
+
 Function: "erf":
 double: 1
 float: 1
@@ -982,6 +985,26 @@  double: 2
 float: 1
 ldouble: 4
 
+Function: "exp10m1":
+double: 2
+float: 1
+ldouble: 3
+
+Function: "exp10m1_downward":
+double: 1
+float: 1
+ldouble: 9
+
+Function: "exp10m1_towardzero":
+double: 1
+float: 1
+ldouble: 9
+
+Function: "exp10m1_upward":
+double: 3
+float: 1
+ldouble: 4
+
 Function: "exp2":
 double: 1
 float: 1
@@ -1002,6 +1025,26 @@  double: 1
 float: 1
 ldouble: 2
 
+Function: "exp2m1":
+double: 1
+float: 1
+ldouble: 2
+
+Function: "exp2m1_downward":
+double: 2
+float: 1
+ldouble: 3
+
+Function: "exp2m1_towardzero":
+double: 2
+float: 1
+ldouble: 3
+
+Function: "exp2m1_upward":
+double: 1
+float: 1
+ldouble: 3
+
 Function: "exp_downward":
 double: 1
 float: 1
@@ -1043,12 +1086,28 @@  ldouble: 1
 Function: "fma_downward":
 ldouble: 1
 
+Function: "fma_downward_ldouble":
+double: 1
+float: 1
+
+Function: "fma_ldouble":
+double: 1
+float: 1
+
 Function: "fma_towardzero":
 ldouble: 2
 
+Function: "fma_towardzero_ldouble":
+double: 1
+float: 1
+
 Function: "fma_upward":
 ldouble: 3
 
+Function: "fma_upward_ldouble":
+double: 1
+float: 1
+
 Function: "fmod":
 ldouble: 1
 
@@ -1083,6 +1142,7 @@  ldouble: 11
 
 Function: "hypot":
 double: 1
+float: 1
 ldouble: 1
 
 Function: "hypot_downward":
@@ -1207,6 +1267,26 @@  double: 2
 float: 2
 ldouble: 2
 
+Function: "log10p1":
+double: 1
+float: 1
+ldouble: 3
+
+Function: "log10p1_downward":
+double: 2
+float: 1
+ldouble: 4
+
+Function: "log10p1_towardzero":
+double: 2
+float: 2
+ldouble: 4
+
+Function: "log10p1_upward":
+double: 2
+float: 1
+ldouble: 3
+
 Function: "log1p":
 double: 1
 float: 1
@@ -1247,6 +1327,26 @@  double: 3
 float: 3
 ldouble: 4
 
+Function: "log2p1":
+double: 1
+float: 1
+ldouble: 1
+
+Function: "log2p1_downward":
+double: 2
+float: 2
+ldouble: 4
+
+Function: "log2p1_towardzero":
+double: 2
+float: 2
+ldouble: 4
+
+Function: "log2p1_upward":
+double: 1
+float: 2
+ldouble: 4
+
 Function: "log_downward":
 float: 2
 ldouble: 1
@@ -1406,6 +1506,9 @@  ldouble: 1
 Function: "sqrt_downward":
 ldouble: 1
 
+Function: "sqrt_ldouble":
+double: 1
+
 Function: "sqrt_towardzero":
 ldouble: 1