decRound.c: Move declarations to new file, update comments.
libdecnumber/ * decRound.c: Move declarations to new file, update comments. * decRound.h: New file. gcc/ * mklibgcc.in: Fix dependencies for dfp-bit.c. * config/dfp-bit.h (CONTEXT_ROUND): Delete. (DFP_INIT_ROUNDMODE): Define. * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE. From-SVN: r119329
This commit is contained in:
Janis Johnson
Janis Johnson
parent
07c0282832
commit
240e6b6bd0
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@ -1,3 +1,10 @@
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2006-11-29 Janis Johnson <janis187@us.ibm.com>
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* config/dfp-bit.h (CONTEXT_ROUND): Delete.
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(DFP_INIT_ROUNDMODE): Define.
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* config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
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* mklibgcc.in: Fix dependencies for dfp-bit.c.
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2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
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* haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
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@ -81,7 +81,7 @@ dfp_unary_op (dfp_unary_func op, DFP_C_TYPE arg)
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HOST_TO_IEEE (arg, &a);
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decContextDefault (&context, CONTEXT_INIT);
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context.round = CONTEXT_ROUND;
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DFP_INIT_ROUNDMODE (context.round);
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TO_INTERNAL (&a, &arg1);
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@ -107,7 +107,7 @@ dfp_binary_op (dfp_binary_func op, DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
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HOST_TO_IEEE (arg_b, &b);
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decContextDefault (&context, CONTEXT_INIT);
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context.round = CONTEXT_ROUND;
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DFP_INIT_ROUNDMODE (context.round);
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TO_INTERNAL (&a, &arg1);
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TO_INTERNAL (&b, &arg2);
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@ -134,7 +134,7 @@ dfp_compare_op (dfp_binary_func op, DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
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HOST_TO_IEEE (arg_b, &b);
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decContextDefault (&context, CONTEXT_INIT);
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context.round = CONTEXT_ROUND;
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DFP_INIT_ROUNDMODE (context.round);
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TO_INTERNAL (&a, &arg1);
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TO_INTERNAL (&b, &arg2);
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@ -365,7 +365,7 @@ DFP_TO_DFP (DFP_C_TYPE f_from)
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decContext context;
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decContextDefault (&context, CONTEXT_INIT);
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context.round = CONTEXT_ROUND;
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DFP_INIT_ROUNDMODE (context.round);
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HOST_TO_IEEE (f_from, &s_from);
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TO_INTERNAL (&s_from, &d);
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@ -394,7 +394,7 @@ DFP_TO_INT (DFP_C_TYPE x)
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decContextDefault (&context, CONTEXT_INIT);
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/* Need non-default rounding mode here. */
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context.round = DEC_ROUND_DOWN;
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DFP_INIT_ROUNDMODE (context.round);
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HOST_TO_IEEE (x, &s);
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TO_INTERNAL (&s, &n1);
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@ -428,7 +428,7 @@ INT_TO_DFP (INT_TYPE i)
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decContext context;
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decContextDefault (&context, CONTEXT_INIT);
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context.round = CONTEXT_ROUND;
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DFP_INIT_ROUNDMODE (context.round);
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/* Use a C library function to get a floating point string. */
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sprintf (buf, INT_FMT ".0", CAST_FOR_FMT(i));
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@ -470,7 +470,7 @@ BFP_TO_DFP (BFP_TYPE x)
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decContext context;
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decContextDefault (&context, CONTEXT_INIT);
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context.round = CONTEXT_ROUND;
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DFP_INIT_ROUNDMODE (context.round);
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/* Use a C library function to write the floating point value to a string. */
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#ifdef BFP_VIA_TYPE
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@ -30,6 +30,8 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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#ifndef _DFPBIT_H
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#define _DFPBIT_H
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#include <fenv.h>
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#include <decRound.h>
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#include "tconfig.h"
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#include "coretypes.h"
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#include "tm.h"
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@ -114,9 +116,9 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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#define CONTEXT_INIT DEC_INIT_DECIMAL128
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#endif
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/* Define CONTEXT_ROUND to obtain the current decNumber rounding mode. */
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extern enum rounding __decGetRound (void);
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#define CONTEXT_ROUND __decGetRound ()
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#ifndef DFP_INIT_ROUNDMODE
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#define DFP_INIT_ROUNDMODE(A) A = DEC_ROUND_HALF_EVEN
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#endif
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/* Conversions between different decimal float types use WIDTH_TO to
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determine additional macros to define. */
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@ -145,6 +145,9 @@ decnumber_dep='stmp-dirs $(srcdir)/../libdecnumber/decContext.h $(srcdir)/../lib
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$(srcdir)/../libdecnumber/decNumberLocal.h $(srcdir)/../libdecnumber/decimal32.h $(srcdir)/../libdecnumber/decimal64.h
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$(srcdir)/../libdecnumber/decimal128.h $(srcdir)/../libdecnumber/decDPD.h $(srcdir)/../libdecnumber/decUtility.h'
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# Dependencies for dfp-bit.c
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dfpbit_c_dep='$(srcdir)/../libdecnumber/decRound.h'" $libgcc_dep $decnumber_dep"
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# Flag whether we need eh_dummy.c
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need_eh_dummy=
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@ -456,7 +459,7 @@ for ml in $MULTILIBS; do
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if [ "$dpbit" ]; then
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for name in $dpfuncs; do
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out="libgcc/${dir}/${name}${objext}"
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echo $out: config/dfp-bit.h config/dfp-bit.c $fpbit_c_dep
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echo $out: config/dfp-bit.h config/dfp-bit.c $dfpbit_c_dep
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echo " $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name -DWIDTH=$dpwidth \
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$DFP_CFLAGS -c $\(srcdir\)/config/dfp-bit.c -o $out
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echo $libgcc_a: $out
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@ -1,3 +1,8 @@
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2006-11-29 Janis Johnson <janis187@us.ibm.com>
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* decRound.c: Move declarations to new file, update comments.
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* decRound.h: New file.
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2006-11-21 Janis Johnson <janis187@us.ibm.com>
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* decLibrary.c (__dec_type_swap): Add prototype.
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@ -1,5 +1,6 @@
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/* Temporary support for a libc-like fp environment for decimal float.
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Copyright (C) 2005 Free Software Foundation, Inc.
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/* Internal testing support for rounding for decimal float.
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Copyright (C) 2005, 2006 Free Software Foundation, Inc.
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This file is part of GCC.
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@ -20,6 +21,10 @@
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#include "config.h"
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#include "decContext.h"
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#include "decRound.h"
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/* Internal, non-documented functions for testing libgcc functions.
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This support is not sufficient for application use. */
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#define FE_DEC_DOWNWARD 0
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#define FE_DEC_TONEAREST 1
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@ -28,11 +33,6 @@
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#define FE_DEC_UPWARD 4
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#define FE_DEC_MAX 5
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extern void __dfp_set_round (int);
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extern int __dfp_get_round (void);
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extern enum rounding __decGetRound (void);
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/* FIXME: these should be in thread-local storage for runtime support. */
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static enum rounding __dfp_rounding_mode = DEC_ROUND_HALF_EVEN;
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/* Set the decNumber rounding mode from the FE_DEC_* value in MODE. */
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@ -0,0 +1,28 @@
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/* Internal testing support for rounding for decimal float.
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Copyright (C) 2006 Free Software Foundation, Inc.
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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
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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#include "decContext.h"
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#define DFP_INIT_ROUNDMODE(A) A = __decGetRound()
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extern void __dfp_set_round (int);
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extern int __dfp_get_round (void);
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extern enum rounding __decGetRound (void);
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