diff options
Diffstat (limited to 'gcc/config/mep')
| -rw-r--r-- | gcc/config/mep/mep-lib2.c | 139 | ||||
| -rw-r--r-- | gcc/config/mep/mep-tramp.c | 103 | ||||
| -rw-r--r-- | gcc/config/mep/t-mep | 6 |
3 files changed, 0 insertions, 248 deletions
diff --git a/gcc/config/mep/mep-lib2.c b/gcc/config/mep/mep-lib2.c deleted file mode 100644 index 1dbf57d9535..00000000000 --- a/gcc/config/mep/mep-lib2.c +++ /dev/null @@ -1,139 +0,0 @@ -/* libgcc routines for MeP. - Copyright 2001, 2002, 2009 Free Software Foundation, Inc - -This file 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 3 of the License, or (at your -option) any later version. - -This file 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. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -<http://www.gnu.org/licenses/>. */ - -typedef int SItype __attribute__ ((mode (SI))); -typedef unsigned int USItype __attribute__ ((mode (SI))); - -typedef int word_type __attribute__ ((mode (__word__))); - -USItype -__mulsi3 (USItype a, USItype b) -{ - USItype c = 0; - - while (a != 0) - { - if (a & 1) - c += b; - a >>= 1; - b <<= 1; - } - - return c; -} - - - -USItype -udivmodsi4(USItype num, USItype den, word_type modwanted) -{ - USItype bit = 1; - USItype res = 0; - - while (den < num && bit && !(den & (1L<<31))) - { - den <<=1; - bit <<=1; - } - while (bit) - { - if (num >= den) - { - num -= den; - res |= bit; - } - bit >>=1; - den >>=1; - } - if (modwanted) return num; - return res; -} - - - -SItype -__divsi3 (SItype a, SItype b) -{ - word_type neg = 0; - SItype res; - - if (a < 0) - { - a = -a; - neg = !neg; - } - - if (b < 0) - { - b = -b; - neg = !neg; - } - - res = udivmodsi4 (a, b, 0); - - if (neg) - res = -res; - - return res; -} - - - -SItype -__modsi3 (SItype a, SItype b) -{ - word_type neg = 0; - SItype res; - - if (a < 0) - { - a = -a; - neg = 1; - } - - if (b < 0) - b = -b; - - res = udivmodsi4 (a, b, 1); - - if (neg) - res = -res; - - return res; -} - - - - -SItype -__udivsi3 (SItype a, SItype b) -{ - return udivmodsi4 (a, b, 0); -} - - - -SItype -__umodsi3 (SItype a, SItype b) -{ - return udivmodsi4 (a, b, 1); -} diff --git a/gcc/config/mep/mep-tramp.c b/gcc/config/mep/mep-tramp.c deleted file mode 100644 index bf484ca4e95..00000000000 --- a/gcc/config/mep/mep-tramp.c +++ /dev/null @@ -1,103 +0,0 @@ -/* Trampoline support for MeP - Copyright (C) 2004, 2007 Free Software Foundation, Inc. - Contributed by Red Hat Inc. - -This file 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 3 of the License, or (at your -option) any later version. - -This file 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. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -<http://www.gnu.org/licenses/>. */ - -/* - 7a0a ldc $10,$pc - c0ae000a lw $0,10($10) - caae000e lw $10,14($10) - 10ae jmp $10 - 00000000 static chain - 00000000 function address -*/ - -static inline int -cache_config_register(void) { - int rv; - asm ("ldc\t%0, $ccfg" : "=r" (rv)); - return rv; -} - -#define ICACHE_SIZE ((cache_config_register() >> 16) & 0x7f) -#define DCACHE_SIZE (cache_config_register() & 0x7f) - -#define ICACHE_DATA_BASE 0x00300000 -#define ICACHE_TAG_BASE 0x00310000 -#define DCACHE_DATA_BASE 0x00320000 -#define DCACHE_TAG_BASE 0x00330000 - -static inline void -flush_dcache (int addr) -{ - asm volatile ("cache\t0, (%0)" : : "r" (addr)); -} - -void -__mep_trampoline_helper (unsigned long *tramp, - int function_address, - int static_chain); - -void -__mep_trampoline_helper (unsigned long *tramp, - int function_address, - int static_chain) -{ - int dsize, isize; - -#ifdef __LITTLE_ENDIAN__ - tramp[0] = 0xc0ae7a0a; - tramp[1] = 0xcaae000a; - tramp[2] = 0x10ae000e; -#else - tramp[0] = 0x7a0ac0ae; - tramp[1] = 0x000acaae; - tramp[2] = 0x000e10ae; -#endif - tramp[3] = static_chain; - tramp[4] = function_address; - - dsize = DCACHE_SIZE; - isize = ICACHE_SIZE; - - if (dsize) - { - flush_dcache ((int)tramp); - flush_dcache ((int)tramp+16); - } - - if (isize) - { - int imask = (isize * 1024) - 1; - int tmask = ~imask; - unsigned int i; - volatile unsigned int *tags; - - imask &= 0xffe0; - - for (i=(unsigned int)tramp; i<(unsigned int)tramp+20; i+=16) - { - tags = (unsigned int *)(ICACHE_TAG_BASE + (i & imask)); - if ((*tags & tmask) == (i & tmask)) - *tags &= ~1; - } - } -} diff --git a/gcc/config/mep/t-mep b/gcc/config/mep/t-mep index ac4ad95bc87..96542c4782c 100644 --- a/gcc/config/mep/t-mep +++ b/gcc/config/mep/t-mep @@ -32,12 +32,6 @@ mep-pragma.o: $(srcdir)/config/mep/mep-pragma.c $(CONFIG_H) $(SYSTEM_H) \ function.h insn-config.h reload.h $(TARGET_H) $(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $< -# multiply and divide routines - -LIB2FUNCS_EXTRA = \ - $(srcdir)/config/mep/mep-lib2.c \ - $(srcdir)/config/mep/mep-tramp.c - MULTILIB_OPTIONS = mel mall-opts mfar MULTILIB_DIRNAMES = el allopt far |