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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2023-12-27 10:21:24 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2023-12-27 10:22:36 -0300 |
| commit | b0a9740bac9c0310e287934798eb8d4b34680198 (patch) | |
| tree | 7457e14207d5d37b5d23d054a7eccf11b7eac487 | |
| parent | 8b3c945b3f5365834261f3e78225dabc441f467f (diff) | |
| download | glibc-azanella/mips-hw-fp-round.tar.gz glibc-azanella/mips-hw-fp-round.tar.xz glibc-azanella/mips-hw-fp-round.zip | |
mips: Implement roundevenf with hardware floating-point rounding instruction azanella/mips-hw-fp-round
| -rw-r--r-- | sysdeps/mips/fpu/roundf_to_integer.h | 3 | ||||
| -rw-r--r-- | sysdeps/mips/fpu/s_roundevenf.c | 36 |
2 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/mips/fpu/roundf_to_integer.h b/sysdeps/mips/fpu/roundf_to_integer.h index f1a7fefda9..cd30c8de94 100644 --- a/sysdeps/mips/fpu/roundf_to_integer.h +++ b/sysdeps/mips/fpu/roundf_to_integer.h @@ -28,6 +28,7 @@ enum round_mode CEIL, FLOOR, TRUNC, + ROUNDEVEN, }; static inline float @@ -51,6 +52,8 @@ round_to_integer_float (enum round_mode mode, float x) case TRUNC: asm ("trunc.l.s %0, %0" : "+f" (r)); break; + case ROUNDEVEN: + asm ("round.l.s %0, %0" : "+f" (r)); break; } libc_fesetenvf (&fe); diff --git a/sysdeps/mips/fpu/s_roundevenf.c b/sysdeps/mips/fpu/s_roundevenf.c new file mode 100644 index 0000000000..605d4f5eea --- /dev/null +++ b/sysdeps/mips/fpu/s_roundevenf.c @@ -0,0 +1,36 @@ +/* Round to integer, toward zero. MIPS version. + Copyright (C) 2023 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <https://www.gnu.org/licenses/>. */ + +#if ((__mips_fpr == 64) \ + && (__mips_hard_float == 1) \ + && ((__mips == 32 && __mips_isa_rev > 1) || __mips == 64)) + +#define NO_MATH_REDIRECT +#include <math.h> +#include <roundf_to_integer.h> +#include <libm-alias-float.h> + +float +__roundevenf (float x) +{ + return round_to_integer_float (ROUNDEVEN, x); +} +libm_alias_float (__roundeven, roundeven) +#else +# include <sysdeps/ieee754/flt-32/s_roundevenf.c> +#endif |