* [PATCH] regenerate ulps on x86_64 with -march=native
@ 2021-04-28 7:01 Paul Zimmermann
2021-04-28 8:27 ` Florian Weimer
0 siblings, 1 reply; 3+ messages in thread
From: Paul Zimmermann @ 2021-04-28 7:01 UTC (permalink / raw)
To: libc-alpha
On x86_64, when configuring glibc with CFLAGS="-O2 -g -march=native",
some tests fail. After this patch, "make check" succeeds.
---
sysdeps/x86_64/fpu/libm-test-ulps | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
index c621a03268..312575f933 100644
--- a/sysdeps/x86_64/fpu/libm-test-ulps
+++ b/sysdeps/x86_64/fpu/libm-test-ulps
@@ -1316,19 +1316,19 @@ float128: 1
ldouble: 1
Function: "j0":
-double: 2
+double: 3
float: 9
float128: 2
ldouble: 8
Function: "j0_downward":
-double: 5
+double: 6
float: 9
float128: 9
ldouble: 6
Function: "j0_towardzero":
-double: 6
+double: 7
float: 9
float128: 9
ldouble: 6
--
2.30.2
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] regenerate ulps on x86_64 with -march=native
2021-04-28 7:01 [PATCH] regenerate ulps on x86_64 with -march=native Paul Zimmermann
@ 2021-04-28 8:27 ` Florian Weimer
2021-04-28 9:03 ` Paul Zimmermann
0 siblings, 1 reply; 3+ messages in thread
From: Florian Weimer @ 2021-04-28 8:27 UTC (permalink / raw)
To: Paul Zimmermann; +Cc: libc-alpha
* Paul Zimmermann:
> On x86_64, when configuring glibc with CFLAGS="-O2 -g -march=native",
> some tests fail. After this patch, "make check" succeeds.
-march=native is not very meaningful without knowing the exact CPU.
Maybe you could include compiler version and CPU model name in the
commit message? Thanks.
Florian
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] regenerate ulps on x86_64 with -march=native
2021-04-28 8:27 ` Florian Weimer
@ 2021-04-28 9:03 ` Paul Zimmermann
0 siblings, 0 replies; 3+ messages in thread
From: Paul Zimmermann @ 2021-04-28 9:03 UTC (permalink / raw)
To: Florian Weimer; +Cc: libc-alpha
Dear Florian,
> > On x86_64, when configuring glibc with CFLAGS="-O2 -g -march=native",
> > some tests fail. After this patch, "make check" succeeds.
>
> -march=native is not very meaningful without knowing the exact CPU.
> Maybe you could include compiler version and CPU model name in the
> commit message? Thanks.
thank you, done in the new version just submitted.
Paul
^ permalink raw reply [flat|nested] 3+ messages in thread
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