diff options
Diffstat (limited to 'sysdeps/x86_64/fpu/x86_64-math-asm.h')
-rw-r--r-- | sysdeps/x86_64/fpu/x86_64-math-asm.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/sysdeps/x86_64/fpu/x86_64-math-asm.h b/sysdeps/x86_64/fpu/x86_64-math-asm.h deleted file mode 100644 index 4b4e40c3e7..0000000000 --- a/sysdeps/x86_64/fpu/x86_64-math-asm.h +++ /dev/null @@ -1,74 +0,0 @@ -/* Helper macros for x86_64 libm functions. - Copyright (C) 2015-2017 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 - <http://www.gnu.org/licenses/>. */ - -#ifndef _X86_64_MATH_ASM_H -#define _X86_64_MATH_ASM_H 1 - -/* Define constants for the minimum value of a floating-point - type. */ -#define DEFINE_LDBL_MIN \ - .section .rodata.cst16,"aM",@progbits,16; \ - .p2align 4; \ - .type ldbl_min,@object; \ -ldbl_min: \ - .byte 0, 0, 0, 0, 0, 0, 0, 0x80, 0x1, 0; \ - .byte 0, 0, 0, 0, 0, 0; \ - .size ldbl_min, .-ldbl_min; - -/* Force an underflow exception if the given value (nonnegative or - NaN) is subnormal. The relevant constant for the minimum of the - type must have been defined, the MO macro must have been defined - for access to memory operands, and, if PIC, the PIC register must - have been loaded. */ -#define LDBL_CHECK_FORCE_UFLOW_NONNEG_NAN \ - fldt MO(ldbl_min); \ - fld %st(1); \ - fucomip %st(1), %st(0); \ - fstp %st(0); \ - jnc 6464f; \ - fld %st(0); \ - fmul %st(0); \ - fstp %st(0); \ -6464: - -/* Likewise, but the argument is not a NaN. */ -#define LDBL_CHECK_FORCE_UFLOW_NONNAN \ - fldt MO(ldbl_min); \ - fld %st(1); \ - fabs; \ - fcomip %st(1), %st(0); \ - fstp %st(0); \ - jnc 6464f; \ - fld %st(0); \ - fmul %st(0); \ - fstp %st(0); \ -6464: - -/* Likewise, but the argument is nonnegative and not a NaN. */ -#define LDBL_CHECK_FORCE_UFLOW_NONNEG \ - fldt MO(ldbl_min); \ - fld %st(1); \ - fcomip %st(1), %st(0); \ - fstp %st(0); \ - jnc 6464f; \ - fld %st(0); \ - fmul %st(0); \ - fstp %st(0); \ -6464: - -#endif /* x86_64-math-asm.h. */ |