[PATCH 13/15] math: Use sinpif from CORE-MATH
Paul Zimmermann
Paul.Zimmermann@inria.fr
Mon Feb 3 10:39:08 GMT 2025
I confirm all binary32 inputs are correctly rounded for all rounding modes
on x86-64, thank you!
Paul
> From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
> Cc: DJ Delorie <dj@redhat.com>,
> Joseph Myers <josmyers@redhat.com>,
> Paul Zimmermann <Paul.Zimmermann@inria.fr>,
> Alexei Sibidanov <sibid@uvic.ca>
> Date: Fri, 31 Jan 2025 16:17:17 -0300
>
> The CORE-MATH implementation is correctly rounded (for any rounding mode)
> and shows better performance to the generic sinpif.
>
> The code was adapted to glibc style and to use the definition of
> math_config.h (to handle errno, overflow, and underflow).
>
> Benchtest on x64_64 (Ryzen 9 5900X, gcc 14.2.1), aarch64 (Neoverse-N1,
> gcc 13.3.1), and powerpc (POWER10, gcc 13.2.1):
>
> latency master patched improvement
> x86_64 47.5710 38.4455 19.18%
> x86_64v2 46.8828 40.7563 13.07%
> x86_64v3 44.0034 34.1497 22.39%
> aarch64 (Neoverse) 19.2493 14.1968 26.25%
> power8 23.5312 16.3854 30.37%
> power10 22.6485 10.2888 54.57%
>
> reciprocal-throughput master patched improvement
> x86_64 21.8858 11.6717 46.67%
> x86_64v2 22.0620 11.9853 45.67%
> x86_64v3 21.5653 11.3291 47.47%
> aarch64 (Neoverse) 13.0615 6.5499 49.85%
> power8 16.2030 6.9580 57.06%
> power10 12.8911 4.2858 66.75%
> ---
> SHARED-FILES | 4 +
> sysdeps/aarch64/libm-test-ulps | 4 -
> sysdeps/arc/fpu/libm-test-ulps | 4 -
> sysdeps/arc/nofpu/libm-test-ulps | 1 -
> sysdeps/arm/libm-test-ulps | 4 -
> sysdeps/hppa/fpu/libm-test-ulps | 4 -
> sysdeps/i386/fpu/libm-test-ulps | 4 -
> .../i386/i686/fpu/multiarch/libm-test-ulps | 4 -
> sysdeps/ieee754/flt-32/s_sinpif.c | 134 ++++++++++++++++++
> sysdeps/loongarch/lp64/libm-test-ulps | 4 -
> sysdeps/mips/mips64/libm-test-ulps | 4 -
> sysdeps/or1k/fpu/libm-test-ulps | 4 -
> sysdeps/or1k/nofpu/libm-test-ulps | 1 -
> sysdeps/powerpc/fpu/libm-test-ulps | 4 -
> sysdeps/riscv/nofpu/libm-test-ulps | 1 -
> sysdeps/riscv/rvd/libm-test-ulps | 4 -
> sysdeps/s390/fpu/libm-test-ulps | 4 -
> sysdeps/sparc/fpu/libm-test-ulps | 4 -
> sysdeps/x86_64/fpu/libm-test-ulps | 4 -
> 19 files changed, 138 insertions(+), 59 deletions(-)
> create mode 100644 sysdeps/ieee754/flt-32/s_sinpif.c
>
> diff --git a/SHARED-FILES b/SHARED-FILES
> index 3ce38d1542..c108f3b308 100644
> --- a/SHARED-FILES
> +++ b/SHARED-FILES
> @@ -354,3 +354,7 @@ sysdeps/ieee754/flt-32/s_cospif.c:
> (src/binary32/cospi/cospif.c in CORE-MATH)
> - the code was adapted to use glibc code style and internal
> functions to handle errno, overflow, and underflow.
> +sysdeps/ieee754/flt-32/s_sinpif.c:
> + (src/binary32/sinpi/sinpif.c in CORE-MATH)
> + - the code was adapted to use glibc code style and internal
> + functions to handle errno, overflow, and underflow.
> diff --git a/sysdeps/aarch64/libm-test-ulps b/sysdeps/aarch64/libm-test-ulps
> index a15f3effa0..c6c93aa0e4 100644
> --- a/sysdeps/aarch64/libm-test-ulps
> +++ b/sysdeps/aarch64/libm-test-ulps
> @@ -1610,7 +1610,6 @@ ldouble: 4
>
> Function: "sinpi":
> double: 2
> -float: 2
> ldouble: 2
>
> Function: "sinpi_advsimd":
> @@ -1619,7 +1618,6 @@ float: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
> ldouble: 2
>
> Function: "sinpi_sve":
> @@ -1628,12 +1626,10 @@ float: 2
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
> ldouble: 2
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
> ldouble: 2
>
> Function: "tan":
> diff --git a/sysdeps/arc/fpu/libm-test-ulps b/sysdeps/arc/fpu/libm-test-ulps
> index f2acbf453e..65ebf6f9a0 100644
> --- a/sysdeps/arc/fpu/libm-test-ulps
> +++ b/sysdeps/arc/fpu/libm-test-ulps
> @@ -1101,19 +1101,15 @@ double: 3
>
> Function: "sinpi":
> double: 2
> -float: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
>
> Function: "tan":
> double: 1
> diff --git a/sysdeps/arc/nofpu/libm-test-ulps b/sysdeps/arc/nofpu/libm-test-ulps
> index 8716e5d29e..3ba4f01cbf 100644
> --- a/sysdeps/arc/nofpu/libm-test-ulps
> +++ b/sysdeps/arc/nofpu/libm-test-ulps
> @@ -265,7 +265,6 @@ double: 2
>
> Function: "sinpi":
> double: 2
> -float: 2
>
> Function: "tanh":
> double: 2
> diff --git a/sysdeps/arm/libm-test-ulps b/sysdeps/arm/libm-test-ulps
> index 647f92944c..f887712d8e 100644
> --- a/sysdeps/arm/libm-test-ulps
> +++ b/sysdeps/arm/libm-test-ulps
> @@ -1097,19 +1097,15 @@ double: 3
>
> Function: "sinpi":
> double: 2
> -float: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
>
> Function: "tan_downward":
> double: 1
> diff --git a/sysdeps/hppa/fpu/libm-test-ulps b/sysdeps/hppa/fpu/libm-test-ulps
> index 88f7701c0e..10f7f2ebde 100644
> --- a/sysdeps/hppa/fpu/libm-test-ulps
> +++ b/sysdeps/hppa/fpu/libm-test-ulps
> @@ -1123,19 +1123,15 @@ double: 3
>
> Function: "sinpi":
> double: 2
> -float: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
>
> Function: "tan":
> double: 1
> diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps
> index 39066956b0..77aa7155db 100644
> --- a/sysdeps/i386/fpu/libm-test-ulps
> +++ b/sysdeps/i386/fpu/libm-test-ulps
> @@ -1691,25 +1691,21 @@ ldouble: 5
>
> Function: "sinpi":
> double: 2
> -float: 2
> float128: 2
> ldouble: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
> float128: 2
> ldouble: 2
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
> float128: 2
> ldouble: 2
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
> float128: 2
> ldouble: 2
>
> diff --git a/sysdeps/i386/i686/fpu/multiarch/libm-test-ulps b/sysdeps/i386/i686/fpu/multiarch/libm-test-ulps
> index a8c4723850..7168d577d8 100644
> --- a/sysdeps/i386/i686/fpu/multiarch/libm-test-ulps
> +++ b/sysdeps/i386/i686/fpu/multiarch/libm-test-ulps
> @@ -1696,25 +1696,21 @@ ldouble: 5
>
> Function: "sinpi":
> double: 2
> -float: 2
> float128: 2
> ldouble: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
> float128: 2
> ldouble: 3
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
> float128: 2
> ldouble: 2
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
> float128: 2
> ldouble: 2
>
> diff --git a/sysdeps/ieee754/flt-32/s_sinpif.c b/sysdeps/ieee754/flt-32/s_sinpif.c
> new file mode 100644
> index 0000000000..772ea428e2
> --- /dev/null
> +++ b/sysdeps/ieee754/flt-32/s_sinpif.c
> @@ -0,0 +1,134 @@
> +/* Correctly-rounded sine of binary32 value for angles in half-revolutions
> +
> +Copyright (c) 2022-2025 Alexei Sibidanov.
> +
> +The original version of this file was copied from the CORE-MATH
> +project (src/binary32/sinpi/sinpif.c, revision f786e13).
> +
> +Permission is hereby granted, free of charge, to any person obtaining a copy
> +of this software and associated documentation files (the "Software"), to deal
> +in the Software without restriction, including without limitation the rights
> +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
> +copies of the Software, and to permit persons to whom the Software is
> +furnished to do so, subject to the following conditions:
> +
> +The above copyright notice and this permission notice shall be included in all
> +copies or substantial portions of the Software.
> +
> +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
> +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
> +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
> +SOFTWARE.
> +*/
> +
> +#include <math.h>
> +#include <stdint.h>
> +#include <errno.h>
> +#include <fenv.h>
> +#include <libm-alias-float.h>
> +#include "math_config.h"
> +
> +float
> +__sinpif (float x)
> +{
> + static const double sn[] =
> + {
> + 0x1.921fb54442d0fp-37, -0x1.4abbce6102b94p-112, 0x1.4669fa3c58463p-189
> + };
> + static const double cn[] =
> + {
> + -0x1.3bd3cc9be45cfp-74, 0x1.03c1f08088742p-150, -0x1.55d1e5eff55a5p-228
> + };
> + static const double S[] =
> + {
> + 0x0p+0, 0x1.91f65f10dd814p-5, 0x1.917a6bc29b42cp-4,
> + 0x1.2c8106e8e613ap-3, 0x1.8f8b83c69a60bp-3, 0x1.f19f97b215f1bp-3,
> + 0x1.294062ed59f06p-2, 0x1.58f9a75ab1fddp-2, 0x1.87de2a6aea963p-2,
> + 0x1.b5d1009e15ccp-2, 0x1.e2b5d3806f63bp-2, 0x1.073879922ffeep-1,
> + 0x1.1c73b39ae68c8p-1, 0x1.30ff7fce17035p-1, 0x1.44cf325091dd6p-1,
> + 0x1.57d69348cecap-1, 0x1.6a09e667f3bcdp-1, 0x1.7b5df226aafafp-1,
> + 0x1.8bc806b151741p-1, 0x1.9b3e047f38741p-1, 0x1.a9b66290ea1a3p-1,
> + 0x1.b728345196e3ep-1, 0x1.c38b2f180bdb1p-1, 0x1.ced7af43cc773p-1,
> + 0x1.d906bcf328d46p-1, 0x1.e212104f686e5p-1, 0x1.e9f4156c62ddap-1,
> + 0x1.f0a7efb9230d7p-1, 0x1.f6297cff75cbp-1, 0x1.fa7557f08a517p-1,
> + 0x1.fd88da3d12526p-1, 0x1.ff621e3796d7ep-1, 0x1p+0,
> + 0x1.ff621e3796d7ep-1, 0x1.fd88da3d12526p-1, 0x1.fa7557f08a517p-1,
> + 0x1.f6297cff75cbp-1, 0x1.f0a7efb9230d7p-1, 0x1.e9f4156c62ddap-1,
> + 0x1.e212104f686e5p-1, 0x1.d906bcf328d46p-1, 0x1.ced7af43cc773p-1,
> + 0x1.c38b2f180bdb1p-1, 0x1.b728345196e3ep-1, 0x1.a9b66290ea1a3p-1,
> + 0x1.9b3e047f38741p-1, 0x1.8bc806b151741p-1, 0x1.7b5df226aafafp-1,
> + 0x1.6a09e667f3bcdp-1, 0x1.57d69348cecap-1, 0x1.44cf325091dd6p-1,
> + 0x1.30ff7fce17035p-1, 0x1.1c73b39ae68c8p-1, 0x1.073879922ffeep-1,
> + 0x1.e2b5d3806f63bp-2, 0x1.b5d1009e15ccp-2, 0x1.87de2a6aea963p-2,
> + 0x1.58f9a75ab1fddp-2, 0x1.294062ed59f06p-2, 0x1.f19f97b215f1bp-3,
> + 0x1.8f8b83c69a60bp-3, 0x1.2c8106e8e613ap-3, 0x1.917a6bc29b42cp-4,
> + 0x1.91f65f10dd814p-5, 0x0p+0, -0x1.91f65f10dd814p-5,
> + -0x1.917a6bc29b42cp-4, -0x1.2c8106e8e613ap-3, -0x1.8f8b83c69a60bp-3,
> + -0x1.f19f97b215f1bp-3, -0x1.294062ed59f06p-2, -0x1.58f9a75ab1fddp-2,
> + -0x1.87de2a6aea963p-2, -0x1.b5d1009e15ccp-2, -0x1.e2b5d3806f63bp-2,
> + -0x1.073879922ffeep-1, -0x1.1c73b39ae68c8p-1, -0x1.30ff7fce17035p-1,
> + -0x1.44cf325091dd6p-1, -0x1.57d69348cecap-1, -0x1.6a09e667f3bcdp-1,
> + -0x1.7b5df226aafafp-1, -0x1.8bc806b151741p-1, -0x1.9b3e047f38741p-1,
> + -0x1.a9b66290ea1a3p-1, -0x1.b728345196e3ep-1, -0x1.c38b2f180bdb1p-1,
> + -0x1.ced7af43cc773p-1, -0x1.d906bcf328d46p-1, -0x1.e212104f686e5p-1,
> + -0x1.e9f4156c62ddap-1, -0x1.f0a7efb9230d7p-1, -0x1.f6297cff75cbp-1,
> + -0x1.fa7557f08a517p-1, -0x1.fd88da3d12526p-1, -0x1.ff621e3796d7ep-1,
> + -0x1p+0, -0x1.ff621e3796d7ep-1, -0x1.fd88da3d12526p-1,
> + -0x1.fa7557f08a517p-1, -0x1.f6297cff75cbp-1, -0x1.f0a7efb9230d7p-1,
> + -0x1.e9f4156c62ddap-1, -0x1.e212104f686e5p-1, -0x1.d906bcf328d46p-1,
> + -0x1.ced7af43cc773p-1, -0x1.c38b2f180bdb1p-1, -0x1.b728345196e3ep-1,
> + -0x1.a9b66290ea1a3p-1, -0x1.9b3e047f38741p-1, -0x1.8bc806b151741p-1,
> + -0x1.7b5df226aafafp-1, -0x1.6a09e667f3bcdp-1, -0x1.57d69348cecap-1,
> + -0x1.44cf325091dd6p-1, -0x1.30ff7fce17035p-1, -0x1.1c73b39ae68c8p-1,
> + -0x1.073879922ffeep-1, -0x1.e2b5d3806f63bp-2, -0x1.b5d1009e15ccp-2,
> + -0x1.87de2a6aea963p-2, -0x1.58f9a75ab1fddp-2, -0x1.294062ed59f06p-2,
> + -0x1.f19f97b215f1bp-3, -0x1.8f8b83c69a60bp-3, -0x1.2c8106e8e613ap-3,
> + -0x1.917a6bc29b42cp-4, -0x1.91f65f10dd814p-5
> + };
> +
> + uint32_t ix = asuint (x);
> + int32_t e = (ix >> 23) & 0xff;
> + if (__glibc_unlikely (e == 0xff))
> + {
> + if (!(ix << 9))
> + return __math_invalidf (x);
> + return x + x; /* nan */
> + }
> + int32_t m = (ix & ~0u >> 9) | 1 << 23, sgn = ix;
> + sgn >>= 31;
> + m = (m ^ sgn) - sgn;
> + int32_t s = 143 - e;
> + if (__glibc_unlikely (s < 0))
> + {
> + if (__glibc_unlikely (s < -6))
> + return copysignf (0.0f, x);
> + int32_t iq = m << (-s - 1);
> + iq &= 127;
> + if (iq == 0 || iq == 64)
> + return copysignf (0.0f, x);
> + return S[iq];
> + }
> + else if (__glibc_unlikely (s > 30))
> + {
> + double z = x, z2 = z * z;
> + return z * (0x1.921fb54442d18p+1 + z2 * (-0x1.4abbce625be53p+2));
> + }
> + int32_t si = 25 - s;
> + if (__glibc_unlikely (si >= 0 && (m << si) == 0))
> + return copysignf (0.0f, x);
> +
> + int32_t k = m << (31 - s);
> + double z = k, z2 = z * z;
> + double fs = sn[0] + z2 * (sn[1] + z2 * sn[2]);
> + double fc = cn[0] + z2 * (cn[1] + z2 * cn[2]);
> + uint32_t iq = m >> s;
> + iq = (iq + 1) >> 1;
> + uint32_t is = iq & 127, ic = (iq + 32) & 127;
> + double ts = S[is], tc = S[ic];
> + double r = ts + (ts * z2) * fc + (tc * z) * fs;
> + return r;
> +}
> +libm_alias_float (__sinpi, sinpi)
> diff --git a/sysdeps/loongarch/lp64/libm-test-ulps b/sysdeps/loongarch/lp64/libm-test-ulps
> index fe84c60913..4fadba43c2 100644
> --- a/sysdeps/loongarch/lp64/libm-test-ulps
> +++ b/sysdeps/loongarch/lp64/libm-test-ulps
> @@ -1389,22 +1389,18 @@ ldouble: 4
>
> Function: "sinpi":
> double: 2
> -float: 2
> ldouble: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
> ldouble: 2
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
> ldouble: 2
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
> ldouble: 2
>
> Function: "tan":
> diff --git a/sysdeps/mips/mips64/libm-test-ulps b/sysdeps/mips/mips64/libm-test-ulps
> index ddc78d0239..5177b54557 100644
> --- a/sysdeps/mips/mips64/libm-test-ulps
> +++ b/sysdeps/mips/mips64/libm-test-ulps
> @@ -1402,22 +1402,18 @@ ldouble: 4
>
> Function: "sinpi":
> double: 2
> -float: 2
> ldouble: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
> ldouble: 2
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
> ldouble: 2
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
> ldouble: 2
>
> Function: "tan":
> diff --git a/sysdeps/or1k/fpu/libm-test-ulps b/sysdeps/or1k/fpu/libm-test-ulps
> index 884b4cc361..1fb4ec57c0 100644
> --- a/sysdeps/or1k/fpu/libm-test-ulps
> +++ b/sysdeps/or1k/fpu/libm-test-ulps
> @@ -1082,19 +1082,15 @@ double: 3
>
> Function: "sinpi":
> double: 2
> -float: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
>
> Function: "tan_downward":
> double: 1
> diff --git a/sysdeps/or1k/nofpu/libm-test-ulps b/sysdeps/or1k/nofpu/libm-test-ulps
> index aec66e0fa3..aff11b5148 100644
> --- a/sysdeps/or1k/nofpu/libm-test-ulps
> +++ b/sysdeps/or1k/nofpu/libm-test-ulps
> @@ -991,7 +991,6 @@ double: 3
>
> Function: "sinpi":
> double: 2
> -float: 2
>
> Function: "tan_downward":
> double: 1
> diff --git a/sysdeps/powerpc/fpu/libm-test-ulps b/sysdeps/powerpc/fpu/libm-test-ulps
> index bdf0c98dc7..e59c3e47ef 100644
> --- a/sysdeps/powerpc/fpu/libm-test-ulps
> +++ b/sysdeps/powerpc/fpu/libm-test-ulps
> @@ -1779,25 +1779,21 @@ ldouble: 6
>
> Function: "sinpi":
> double: 2
> -float: 2
> float128: 2
> ldouble: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
> float128: 2
> ldouble: 5
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
> float128: 2
> ldouble: 8
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
> float128: 2
> ldouble: 8
>
> diff --git a/sysdeps/riscv/nofpu/libm-test-ulps b/sysdeps/riscv/nofpu/libm-test-ulps
> index 08af2495f3..2545d0e166 100644
> --- a/sysdeps/riscv/nofpu/libm-test-ulps
> +++ b/sysdeps/riscv/nofpu/libm-test-ulps
> @@ -1271,7 +1271,6 @@ ldouble: 4
>
> Function: "sinpi":
> double: 2
> -float: 2
> ldouble: 2
>
> Function: "tan":
> diff --git a/sysdeps/riscv/rvd/libm-test-ulps b/sysdeps/riscv/rvd/libm-test-ulps
> index 6644e38ebc..94534a4f80 100644
> --- a/sysdeps/riscv/rvd/libm-test-ulps
> +++ b/sysdeps/riscv/rvd/libm-test-ulps
> @@ -1401,22 +1401,18 @@ ldouble: 4
>
> Function: "sinpi":
> double: 2
> -float: 2
> ldouble: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
> ldouble: 2
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
> ldouble: 2
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
> ldouble: 2
>
> Function: "tan":
> diff --git a/sysdeps/s390/fpu/libm-test-ulps b/sysdeps/s390/fpu/libm-test-ulps
> index 6318760eb5..2c89048b56 100644
> --- a/sysdeps/s390/fpu/libm-test-ulps
> +++ b/sysdeps/s390/fpu/libm-test-ulps
> @@ -1387,22 +1387,18 @@ ldouble: 4
>
> Function: "sinpi":
> double: 2
> -float: 2
> ldouble: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
> ldouble: 2
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
> ldouble: 2
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
> ldouble: 2
>
> Function: "tan":
> diff --git a/sysdeps/sparc/fpu/libm-test-ulps b/sysdeps/sparc/fpu/libm-test-ulps
> index 2c319f8ae2..3af2355545 100644
> --- a/sysdeps/sparc/fpu/libm-test-ulps
> +++ b/sysdeps/sparc/fpu/libm-test-ulps
> @@ -1402,22 +1402,18 @@ ldouble: 4
>
> Function: "sinpi":
> double: 2
> -float: 2
> ldouble: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
> ldouble: 2
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
> ldouble: 2
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
> ldouble: 2
>
> Function: "tan":
> diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
> index e2cf3e04b6..f6da5ba186 100644
> --- a/sysdeps/x86_64/fpu/libm-test-ulps
> +++ b/sysdeps/x86_64/fpu/libm-test-ulps
> @@ -2197,25 +2197,21 @@ float: 1
>
> Function: "sinpi":
> double: 2
> -float: 2
> float128: 2
> ldouble: 2
>
> Function: "sinpi_downward":
> double: 2
> -float: 2
> float128: 2
> ldouble: 3
>
> Function: "sinpi_towardzero":
> double: 2
> -float: 1
> float128: 2
> ldouble: 2
>
> Function: "sinpi_upward":
> double: 2
> -float: 3
> float128: 2
> ldouble: 2
>
> --
> 2.43.0
>
>
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