diff options
| -rw-r--r-- | math/Makefile | 2 | ||||
| -rw-r--r-- | math/test-floor-except-2.c | 67 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/s_floor.S | 34 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/s_floor.c | 25 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/s_floorf.S | 34 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/s_floorf.c | 25 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/s_floorl.S | 39 | ||||
| -rw-r--r-- | sysdeps/x86/fpu/s_floorl.c | 25 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/s_floorl.S | 33 |
9 files changed, 144 insertions, 140 deletions
diff --git a/math/Makefile b/math/Makefile index d2a740e..121fe28 100644 --- a/math/Makefile +++ b/math/Makefile @@ -511,6 +511,7 @@ tests = \ test-fetestexceptflag \ test-fexcept \ test-fexcept-traps \ + test-floor-except-2 \ test-flt-eval-method \ test-fp-ilogb-constants \ test-fp-llogb-constants \ @@ -991,6 +992,7 @@ CFLAGS-test-fe-snans-always-signal.c += $(config-cflags-signaling-nans) CFLAGS-test-nan-const.c += -fno-builtin CFLAGS-test-ceil-except-2.c += -fno-builtin +CFLAGS-test-floor-except-2.c += -fno-builtin include ../Rules diff --git a/math/test-floor-except-2.c b/math/test-floor-except-2.c new file mode 100644 index 0000000..d99e835 --- /dev/null +++ b/math/test-floor-except-2.c @@ -0,0 +1,67 @@ +/* Test floor functions do not disable exception traps. + Copyright (C) 2024 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/>. */ + +#include <fenv.h> +#include <math.h> +#include <stdio.h> + +#ifndef FE_INEXACT +# define FE_INEXACT 0 +#endif + +#define TEST_FUNC(NAME, FLOAT, SUFFIX) \ +static int \ +NAME (void) \ +{ \ + int result = 0; \ + volatile FLOAT a, b __attribute__ ((unused)); \ + a = 1.5; \ + /* floor must work when traps on "inexact" are enabled. */ \ + b = floor ## SUFFIX (a); \ + /* And it must have left those traps enabled. */ \ + if (fegetexcept () == FE_INEXACT) \ + puts ("PASS: " #FLOAT); \ + else \ + { \ + puts ("FAIL: " #FLOAT); \ + result = 1; \ + } \ + return result; \ +} + +TEST_FUNC (float_test, float, f) +TEST_FUNC (double_test, double, ) +TEST_FUNC (ldouble_test, long double, l) + +static int +do_test (void) +{ + if (feenableexcept (FE_INEXACT) == -1) + { + puts ("enabling FE_INEXACT traps failed, cannot test"); + return 77; + } + int result = float_test (); + feenableexcept (FE_INEXACT); + result |= double_test (); + feenableexcept (FE_INEXACT); + result |= ldouble_test (); + return result; +} + +#include <support/test-driver.c> diff --git a/sysdeps/i386/fpu/s_floor.S b/sysdeps/i386/fpu/s_floor.S deleted file mode 100644 index 7143fdc..0000000 --- a/sysdeps/i386/fpu/s_floor.S +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Public domain. - */ - -#include <machine/asm.h> -#include <libm-alias-double.h> - -RCSID("$NetBSD: s_floor.S,v 1.4 1995/05/09 00:01:59 jtc Exp $") - -ENTRY(__floor) - fldl 4(%esp) - subl $32,%esp - cfi_adjust_cfa_offset (32) - - fnstenv 4(%esp) /* store fpu environment */ - - /* We use here %edx although only the low 1 bits are defined. - But none of the operations should care and they are faster - than the 16 bit operations. */ - movl $0x400,%edx /* round towards -oo */ - orl 4(%esp),%edx - andl $0xf7ff,%edx - movl %edx,(%esp) - fldcw (%esp) /* load modified control word */ - - frndint /* round */ - - fldenv 4(%esp) /* restore original environment */ - - addl $32,%esp - cfi_adjust_cfa_offset (-32) - ret -END (__floor) -libm_alias_double (__floor, floor) diff --git a/sysdeps/i386/fpu/s_floor.c b/sysdeps/i386/fpu/s_floor.c new file mode 100644 index 0000000..cc50e33 --- /dev/null +++ b/sysdeps/i386/fpu/s_floor.c @@ -0,0 +1,25 @@ +/* Return smallest integral value not less than argument. i386 version. + Copyright (C) 2024 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <libm-alias-double.h> + +#define FUNC __floor +#define TYPE double +#define FE_OPTION FE_DOWNWARD +#include "s_nearestint_387_template.c" +libm_alias_double (__floor, floor) diff --git a/sysdeps/i386/fpu/s_floorf.S b/sysdeps/i386/fpu/s_floorf.S deleted file mode 100644 index 8fad9c0..0000000 --- a/sysdeps/i386/fpu/s_floorf.S +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Public domain. - */ - -#include <machine/asm.h> -#include <libm-alias-float.h> - -RCSID("$NetBSD: s_floorf.S,v 1.3 1995/05/09 00:04:32 jtc Exp $") - -ENTRY(__floorf) - flds 4(%esp) - subl $32,%esp - cfi_adjust_cfa_offset (32) - - fnstenv 4(%esp) /* store fpu environment */ - - /* We use here %edx although only the low 1 bits are defined. - But none of the operations should care and they are faster - than the 16 bit operations. */ - movl $0x400,%edx /* round towards -oo */ - orl 4(%esp),%edx - andl $0xf7ff,%edx - movl %edx,(%esp) - fldcw (%esp) /* load modified control word */ - - frndint /* round */ - - fldenv 4(%esp) /* restore original environment */ - - addl $32,%esp - cfi_adjust_cfa_offset (-32) - ret -END (__floorf) -libm_alias_float (__floor, floor) diff --git a/sysdeps/i386/fpu/s_floorf.c b/sysdeps/i386/fpu/s_floorf.c new file mode 100644 index 0000000..fa9454e --- /dev/null +++ b/sysdeps/i386/fpu/s_floorf.c @@ -0,0 +1,25 @@ +/* Largest integral value not greater than argument i386 version. + Copyright (C) 2024 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <libm-alias-float.h> + +#define FUNC __floorf +#define TYPE float +#define FE_OPTION FE_DOWNWARD +#include "s_nearestint_387_template.c" +libm_alias_float (__floor, floor) diff --git a/sysdeps/i386/fpu/s_floorl.S b/sysdeps/i386/fpu/s_floorl.S deleted file mode 100644 index 3ec28b4..0000000 --- a/sysdeps/i386/fpu/s_floorl.S +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Public domain. - */ - -#include <libm-alias-ldouble.h> -#include <machine/asm.h> - -RCSID("$NetBSD: $") - -ENTRY(__floorl) - fldt 4(%esp) - subl $32,%esp - cfi_adjust_cfa_offset (32) - - fnstenv 4(%esp) /* store fpu environment */ - - /* We use here %edx although only the low 1 bits are defined. - But none of the operations should care and they are faster - than the 16 bit operations. */ - movl $0x400,%edx /* round towards -oo */ - orl 4(%esp),%edx - andl $0xf7ff,%edx - movl %edx,(%esp) - fldcw (%esp) /* load modified control word */ - - frndint /* round */ - - /* Preserve "invalid" exceptions from sNaN input. */ - fnstsw - andl $0x1, %eax - orl %eax, 8(%esp) - - fldenv 4(%esp) /* restore original environment */ - - addl $32,%esp - cfi_adjust_cfa_offset (-32) - ret -END (__floorl) -libm_alias_ldouble (__floor, floor) diff --git a/sysdeps/x86/fpu/s_floorl.c b/sysdeps/x86/fpu/s_floorl.c new file mode 100644 index 0000000..9c92d33 --- /dev/null +++ b/sysdeps/x86/fpu/s_floorl.c @@ -0,0 +1,25 @@ +/* Return largest integral value not less than argument. x86 version. + Copyright (C) 2024 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/>. */ + +#include <libm-alias-ldouble.h> + +#define FUNC __floorl +#define TYPE long double +#define FE_OPTION FE_DOWNWARD +#include "s_nearestint_387_template.c" +libm_alias_ldouble (__floor, floor) diff --git a/sysdeps/x86_64/fpu/s_floorl.S b/sysdeps/x86_64/fpu/s_floorl.S deleted file mode 100644 index b74d1a4..0000000 --- a/sysdeps/x86_64/fpu/s_floorl.S +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Public domain. - */ - -#include <libm-alias-ldouble.h> -#include <machine/asm.h> - -ENTRY(__floorl) - fldt 8(%rsp) - - fnstenv -28(%rsp) /* store fpu environment */ - - /* We use here %edx although only the low 1 bits are defined. - But none of the operations should care and they are faster - than the 16 bit operations. */ - movl $0x400,%edx /* round towards -oo */ - orl -28(%rsp),%edx - andl $0xf7ff,%edx - movl %edx,-32(%rsp) - fldcw -32(%rsp) /* load modified control word */ - - frndint /* round */ - - /* Preserve "invalid" exceptions from sNaN input. */ - fnstsw - andl $0x1, %eax - orl %eax, -24(%rsp) - - fldenv -28(%rsp) /* restore original environment */ - - ret -END (__floorl) -libm_alias_ldouble (__floor, floor) |