diff mbox series

[7/7] libstdc++: Fix incorrect function call in -ffast-math optimization

Message ID 111787281.nniJfEyVGO@minbar
State Accepted
Headers
Series Work on PR108030 and several simd bugfixes and testsuite improvements |

Checks

Context Check Description
snail/gcc-patch-check success Github commit url

Commit Message

Matthias Kretz Feb. 15, 2023, 8:50 p.m. UTC 
  Signed-off-by: Matthias Kretz <m.kretz@gsi.de>

libstdc++-v3/ChangeLog:

	* include/experimental/bits/simd_math.h (__hypot): Bitcasting
	between scalars requires the __bit_cast helper function instead
	of simd_bit_cast.
---
 libstdc++-v3/include/experimental/bits/simd_math.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)


--
──────────────────────────────────────────────────────────────────────────
 Dr. Matthias Kretz                           https://mattkretz.github.io
 GSI Helmholtz Centre for Heavy Ion Research               https://gsi.de
 stdₓ::simd
──────────────────────────────────────────────────────────────────────────

Comments

Jonathan Wakely Feb. 15, 2023, 11:19 p.m. UTC | #1 
On Wed, 15 Feb 2023 at 20:52, Matthias Kretz via Libstdc++
<libstdc++@gcc.gnu.org> wrote:
>
>
>
> Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
>
> libstdc++-v3/ChangeLog:
>
>         * include/experimental/bits/simd_math.h (__hypot): Bitcasting
>         between scalars requires the __bit_cast helper function instead
>         of simd_bit_cast.

OK for trunk/12/11.
diff mbox series

Patch

diff --git a/libstdc++-v3/include/experimental/bits/simd_math.h b/libstdc++-v3/include/experimental/bits/simd_math.h
index c20315e4e30..c91f05fceb3 100644
--- a/libstdc++-v3/include/experimental/bits/simd_math.h
+++ b/libstdc++-v3/include/experimental/bits/simd_math.h
@@ -1010,7 +1010,7 @@  template <typename _VV, typename = __detail::__odr_helper>
 	    using _IV = rebind_simd_t<_Ip, _V>;
 	    const auto __as_int = simd_bit_cast<_IV>(__hi_exp);
 	    const _V __scale
-	      = simd_bit_cast<_V>(2 * simd_bit_cast<_Ip>(_Tp(1)) - __as_int);
+	      = simd_bit_cast<_V>(2 * __bit_cast<_Ip>(_Tp(1)) - __as_int);
 #else
 	    const _V __scale = (__hi_exp ^ __inf) * _Tp(.5);
 #endif
@@ -1181,7 +1181,7 @@  _GLIBCXX_SIMD_CVTING2(hypot)
 		using _IV = rebind_simd_t<_Ip, _V>;
 		const auto __as_int = simd_bit_cast<_IV>(__hi_exp);
 		const _V __scale
-		  = simd_bit_cast<_V>(2 * simd_bit_cast<_Ip>(_Tp(1)) - __as_int);
+		  = simd_bit_cast<_V>(2 * __bit_cast<_Ip>(_Tp(1)) - __as_int);
 #else
 		const _V __scale = (__hi_exp ^ __inf) * _Tp(.5);
 #endif