9acf28f153
gcc/testsuite: * gcc.dg/torture/float128-mul-underflow.c, gcc.dg/torture/float128-truncdf-underflow.c, gcc.dg/torture/float128-truncsf-underflow.c: New tests. libgcc: * soft-fp/adddf3.c: Update from glibc. * soft-fp/addsf3.c: Likewise. * soft-fp/addtf3.c: Likewise. * soft-fp/divdf3.c: Likewise. * soft-fp/divsf3.c: Likewise. * soft-fp/divtf3.c: Likewise. * soft-fp/double.h: Likewise. * soft-fp/eqdf2.c: Likewise. * soft-fp/eqsf2.c: Likewise. * soft-fp/eqtf2.c: Likewise. * soft-fp/extenddftf2.c: Likewise. * soft-fp/extended.h: Likewise. * soft-fp/extendsfdf2.c: Likewise. * soft-fp/extendsftf2.c: Likewise. * soft-fp/extendxftf2.c: Likewise. * soft-fp/fixdfdi.c: Likewise. * soft-fp/fixdfsi.c: Likewise. * soft-fp/fixdfti.c: Likewise. * soft-fp/fixsfdi.c: Likewise. * soft-fp/fixsfsi.c: Likewise. * soft-fp/fixsfti.c: Likewise. * soft-fp/fixtfdi.c: Likewise. * soft-fp/fixtfsi.c: Likewise. * soft-fp/fixtfti.c: Likewise. * soft-fp/fixunsdfdi.c: Likewise. * soft-fp/fixunsdfsi.c: Likewise. * soft-fp/fixunsdfti.c: Likewise. * soft-fp/fixunssfdi.c: Likewise. * soft-fp/fixunssfsi.c: Likewise. * soft-fp/fixunssfti.c: Likewise. * soft-fp/fixunstfdi.c: Likewise. * soft-fp/fixunstfsi.c: Likewise. * soft-fp/fixunstfti.c: Likewise. * soft-fp/floatdidf.c: Likewise. * soft-fp/floatdisf.c: Likewise. * soft-fp/floatditf.c: Likewise. * soft-fp/floatsidf.c: Likewise. * soft-fp/floatsisf.c: Likewise. * soft-fp/floatsitf.c: Likewise. * soft-fp/floattidf.c: Likewise. * soft-fp/floattisf.c: Likewise. * soft-fp/floattitf.c: Likewise. * soft-fp/floatundidf.c: Likewise. * soft-fp/floatundisf.c: Likewise. * soft-fp/floatunditf.c: Likewise. * soft-fp/floatunsidf.c: Likewise. * soft-fp/floatunsisf.c: Likewise. * soft-fp/floatunsitf.c: Likewise. * soft-fp/floatuntidf.c: Likewise. * soft-fp/floatuntisf.c: Likewise. * soft-fp/floatuntitf.c: Likewise. * soft-fp/gedf2.c: Likewise. * soft-fp/gesf2.c: Likewise. * soft-fp/getf2.c: Likewise. * soft-fp/ledf2.c: Likewise. * soft-fp/lesf2.c: Likewise. * soft-fp/letf2.c: Likewise. * soft-fp/muldf3.c: Likewise. * soft-fp/mulsf3.c: Likewise. * soft-fp/multf3.c: Likewise. * soft-fp/negdf2.c: Likewise. * soft-fp/negsf2.c: Likewise. * soft-fp/negtf2.c: Likewise. * soft-fp/op-1.h: Likewise. * soft-fp/op-2.h: Likewise. * soft-fp/op-4.h: Likewise. * soft-fp/op-8.h: Likewise. * soft-fp/op-common.h: Likewise. * soft-fp/quad.h: Likewise. * soft-fp/single.h: Likewise. * soft-fp/soft-fp.h: Likewise. * soft-fp/subdf3.c: Likewise. * soft-fp/subsf3.c: Likewise. * soft-fp/subtf3.c: Likewise. * soft-fp/truncdfsf2.c: Likewise. * soft-fp/trunctfdf2.c: Likewise. * soft-fp/trunctfsf2.c: Likewise. * soft-fp/trunctfxf2.c: Likewise. * soft-fp/unorddf2.c: Likewise. * soft-fp/unordsf2.c: Likewise. * soft-fp/unordtf2.c: Likewise. * config/aarch64/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): New macro. * config/arm/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/c6x/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/cris/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/i386/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/ia64/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/lm32/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/mips/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/moxie/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/nds32/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/nios2/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/rs6000/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/score/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/tilegx/sfp-machine32.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/tilegx/sfp-machine64.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/tilepro/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. From-SVN: r207742
126 lines
3.8 KiB
C
126 lines
3.8 KiB
C
/* Machine description for AArch64 architecture.
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Copyright (C) 2009-2014 Free Software Foundation, Inc.
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Contributed by ARM Ltd.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#define _FP_W_TYPE_SIZE 64
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#define _FP_W_TYPE unsigned long long
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#define _FP_WS_TYPE signed long long
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#define _FP_I_TYPE long long
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typedef int TItype __attribute__ ((mode (TI)));
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typedef unsigned int UTItype __attribute__ ((mode (TI)));
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#define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype))
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/* The type of the result of a floating point comparison. This must
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match __libgcc_cmp_return__ in GCC for the target. */
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typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
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#define CMPtype __gcc_CMPtype
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#define _FP_MUL_MEAT_Q(R,X,Y) \
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_FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
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#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
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#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1)
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#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1)
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#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1
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#define _FP_NANSIGN_S 0
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#define _FP_NANSIGN_D 0
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#define _FP_NANSIGN_Q 0
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#define _FP_KEEPNANFRACP 1
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#define _FP_QNANNEGATEDP 0
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/* This appears to be in line with the VFP conventions in the v7-a
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ARM-ARM. Need to check with the v8 version. */
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#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
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do { \
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if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \
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&& !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \
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{ \
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R##_s = Y##_s; \
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_FP_FRAC_COPY_##wc(R,Y); \
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} \
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else \
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{ \
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R##_s = X##_s; \
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_FP_FRAC_COPY_##wc(R,X); \
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} \
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R##_c = FP_CLS_NAN; \
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} while (0)
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#define FP_EX_INVALID 0x01
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#define FP_EX_DIVZERO 0x02
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#define FP_EX_OVERFLOW 0x04
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#define FP_EX_UNDERFLOW 0x08
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#define FP_EX_INEXACT 0x10
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#define FP_EX_SHIFT 8
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#define FP_EX_ALL \
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(FP_EX_INVALID | FP_EX_DIVZERO | FP_EX_OVERFLOW | FP_EX_UNDERFLOW \
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| FP_EX_INEXACT)
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#define _FP_TININESS_AFTER_ROUNDING 0
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void __sfp_handle_exceptions (int);
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#define FP_HANDLE_EXCEPTIONS \
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do { \
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if (__builtin_expect (_fex, 0)) \
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__sfp_handle_exceptions (_fex); \
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} while (0);
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#define FP_TRAPPING_EXCEPTIONS ((_fpcr >> FP_EX_SHIFT) & FP_EX_ALL)
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#define FP_RND_NEAREST 0x000000
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#define FP_RND_PINF 0x400000
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#define FP_RND_MINF 0x800000
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#define FP_RND_ZERO 0xc00000
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#define FP_RND_MASK 0xc00000
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#define _FP_DECL_EX \
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unsigned long int _fpcr __attribute__ ((unused)) = FP_RND_NEAREST
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#define FP_INIT_ROUNDMODE \
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do { \
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__asm__ __volatile__ ("mrs %0, fpcr" \
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: "=r" (_fpcr)); \
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} while (0)
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#define FP_ROUNDMODE (_fpcr & FP_RND_MASK)
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#define __LITTLE_ENDIAN 1234
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#define __BIG_ENDIAN 4321
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#if defined __AARCH64EB__
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# define __BYTE_ORDER __BIG_ENDIAN
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#else
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# define __BYTE_ORDER __LITTLE_ENDIAN
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#endif
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/* Define ALIASNAME as a strong alias for NAME. */
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# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
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# define _strong_alias(name, aliasname) \
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extern __typeof (name) aliasname __attribute__ ((alias (#name)));
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