From 2e511df179556b1ea4ca0ea399f1bcb3faaed7a2 Mon Sep 17 00:00:00 2001 From: amylaar Date: Thu, 30 Aug 2001 17:51:04 +0000 Subject: [PATCH] * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm. (LIB2FUNCS_EXTRA): Define. config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm . config/h8300/fixunssfsi.c: New file. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45291 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 7 +++++++ gcc/config/h8300/fixunssfsi.c | 43 ++++++++++++++++++++++++++++++++++++++++++ gcc/config/h8300/lib1funcs.asm | 28 +++++++++++++++++++++++++++ gcc/config/h8300/t-h8300 | 7 ++++++- 4 files changed, 84 insertions(+), 1 deletion(-) create mode 100644 gcc/config/h8300/fixunssfsi.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e0661aa..a725b4f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +Thu Aug 30 18:50:37 2001 J"orn Rennecke + + * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm. + (LIB2FUNCS_EXTRA): Define. + config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm . + config/h8300/fixunssfsi.c: New file. + 2001-08-30 Kazu Hirata * config/h8300/h8300.md (zero_extendqihi2): Changes to diff --git a/gcc/config/h8300/fixunssfsi.c b/gcc/config/h8300/fixunssfsi.c new file mode 100644 index 0000000..ed37803 --- /dev/null +++ b/gcc/config/h8300/fixunssfsi.c @@ -0,0 +1,43 @@ +/* More subroutines needed by GCC output code on some machines. */ +/* Compile this one with gcc. */ +/* Copyright (C) 1989, 1992, 2001 Free Software Foundation, Inc. + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file into combinations with other programs, +and to distribute those combinations without any restriction coming +from the use of this file. (The General Public License restrictions +do apply in other respects; for example, they cover modification of +the file, and distribution when not linked into a combine +executable.) + +GNU CC 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 General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +/* The libgcc2.c implementation gets confused by our type setup and creates + a directly recursive call, so we do our own implementation. For the h8300, + that's in lib1funcs.asm, for h8300h / h8s, it's here. */ + +#ifndef __H8300__ +long +__fixunssfsi (float a) +{ + if (a >= (float) 32768L) + return (long) (a -32768L) +32768L; + return (long) a; +} +#endif diff --git a/gcc/config/h8300/lib1funcs.asm b/gcc/config/h8300/lib1funcs.asm index 3a1ad2b..da69acd 100644 --- a/gcc/config/h8300/lib1funcs.asm +++ b/gcc/config/h8300/lib1funcs.asm @@ -764,3 +764,31 @@ _done: #endif #endif /* L_mulsi3 */ +#ifdef L_fixunssfsi_asm +/* For the h8300 we use asm to save some bytes, to + allow more programs to fit into the tiny address + space. For h8300h / h8s, the C version is good enough. */ +#ifdef __H8300__ +/* We still treat NANs different than libgcc2.c, but then, the + behaviour is undefined anyways. */ + .global ___fixunssfsi +___fixunssfsi: + cmp.b #0x47,r0h + bge Large_num + jmp @___fixsfsi +Large_num: + bhi L_huge_num + xor.b #0x80,A0L + bmi L_shift8 +L_huge_num: + mov.w #65535,A0 + mov.w A0,A1 + rts +L_shift8: + mov.b A0L,A0H + mov.b A1H,A0L + mov.b A1L,A1H + mov.b #0,A1L + rts +#endif +#endif /* L_fixunssfsi_asm */ diff --git a/gcc/config/h8300/t-h8300 b/gcc/config/h8300/t-h8300 index cd4de39..de59acb 100644 --- a/gcc/config/h8300/t-h8300 +++ b/gcc/config/h8300/t-h8300 @@ -1,6 +1,11 @@ +# The three first floating point functions listed in LIB1ASMFUNCS (_fixsfdi, +# _floatdisf, and _fixunssfdi) are used to disable the inclusion of those +# from libgcc2.c. They do not actually exist in lib1funcs.asm. LIB1ASMSRC = h8300/lib1funcs.asm LIB1ASMFUNCS = _cmpsi2 _ucmpsi2 _divhi3 _divsi3 _mulhi3 _mulsi3 \ - _floatdisf _fixsfdi + _floatdisf _fixsfdi _fixunssfdi _fixunssfsi_asm + +LIB2FUNCS_EXTRA = $(srcdir)/config/h8300/fixunssfsi.c # We do not have DF or DI types, so fake out the libgcc2 compilation. TARGET_LIBGCC2_CFLAGS = -DDF=SF -DDI=SI -- 2.7.4