From f691dc3b2267082db2ba64e402eb06cd8276fb4c Mon Sep 17 00:00:00 2001 From: Andreas Jaeger Date: Wed, 4 Jun 2003 07:21:41 +0200 Subject: uwin.h: Remove SUBTARGET_PROLOGUE. * config/i386/uwin.h: Remove SUBTARGET_PROLOGUE. * config/i386/i386.c (ix86_expand_prologue): Do not use SUBTARGET_PROLOGUE. * system.h: Poision SUBTARGET_PROLOGUE. * config/arm/arm-protos.h: Remove unused rdate_section prototype. * output.h: Remove TDESC_SECTION_ASM_OP and RDATA_SECTION_ASM_OP dependend code. * system.h: Poison TDESC_SECTION_ASM_OP and RDATA_SECTION_ASM_OP. * system.h: Poison INSN_CACHE_DEPTH, INSN_CACHE_SIZE and INSN_CACHE_LINE_WIDTH. * libgcc2.c (INSN_CACHE_PLANE_SIZE): Removed. (__clear_cache): Remove code dependend on INSN_CACHE_DEPTH, INSN_CACHE_SIZE and INSN_CACHE_LINE_WIDTH. * doc/tm.texi (Trampolines): Remove INSN_CACHE_DEPTH, INSN_CACHE_SIZE and INSN_CACHE_LINE_WIDTH. * dbxout.c (dbxout_type): Remove usage of DBX_OUTPUT_ENUM. (dbxout_symbol): Remove usage of DBX_OUTPUT_CONSTANT_SYMBOL. (dbxout_block): Remove usage of DBX_OUTPUT_CATCH. (dbxout_block): Remove usage of DBX_LBRAC_FIRST. (dbxout_source_file): Remove usage of DBX_OUTPUT_SOURCE_FILENAME. (dbxout_init): Remove test for DBX_WORKING_DIRECTORY. * doc/tm.texi (DBX Options): Do not document DBX_LBRAC_FIRST, DBX_OUTPUT_SOURCE_FILENAME and DBX_OUTPUT_ENUM and DBX_WORKING_DIRECTORY. * system.h: Poison DBX_LBRAC_FIRST, DBX_OUTPUT_ENUM, DBX_OUTPUT_SOURCE_FILENAME and DBX_WORKING_DIRECTORY. * config/frv/frv-protos.h: Remove unused const_section declaration. * config/vax/vax-protos.h: Likewise. * output.h: Remove CONST_SECTION_ASM_OP usage. * system.h: Poison CONST_SECTION_ASM_OP. * crtstuff.c (__do_global_dtors_aux): Remove usage of CRT_GET_RFIB_TEXT (frame_dummy): Likewise. * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Likewise. * system.h: Poison CRT_GET_RFIB_TEXT. From-SVN: r67423 --- gcc/libgcc2.c | 103 +--------------------------------------------------------- 1 file changed, 1 insertion(+), 102 deletions(-) (limited to 'gcc/libgcc2.c') diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c index 069aedb14c1..a9d8e682a8f 100644 --- a/gcc/libgcc2.c +++ b/gcc/libgcc2.c @@ -1,7 +1,7 @@ /* More subroutines needed by GCC output code on some machines. */ /* Compile this one with gcc. */ /* Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001, 2002 Free Software Foundation, Inc. + 2000, 2001, 2002, 2003 Free Software Foundation, Inc. This file is part of GCC. @@ -1436,113 +1436,12 @@ __eprintf (const char *string, const char *expression, #ifdef L_clear_cache /* Clear part of an instruction cache. */ -#define INSN_CACHE_PLANE_SIZE (INSN_CACHE_SIZE / INSN_CACHE_DEPTH) - void __clear_cache (char *beg __attribute__((__unused__)), char *end __attribute__((__unused__))) { #ifdef CLEAR_INSN_CACHE CLEAR_INSN_CACHE (beg, end); -#else -#ifdef INSN_CACHE_SIZE - static char array[INSN_CACHE_SIZE + INSN_CACHE_PLANE_SIZE + INSN_CACHE_LINE_WIDTH]; - static int initialized; - int offset; - void *start_addr - void *end_addr; - typedef (*function_ptr) (void); - -#if (INSN_CACHE_SIZE / INSN_CACHE_LINE_WIDTH) < 16 - /* It's cheaper to clear the whole cache. - Put in a series of jump instructions so that calling the beginning - of the cache will clear the whole thing. */ - - if (! initialized) - { - int ptr = (((int) array + INSN_CACHE_LINE_WIDTH - 1) - & -INSN_CACHE_LINE_WIDTH); - int end_ptr = ptr + INSN_CACHE_SIZE; - - while (ptr < end_ptr) - { - *(INSTRUCTION_TYPE *)ptr - = JUMP_AHEAD_INSTRUCTION + INSN_CACHE_LINE_WIDTH; - ptr += INSN_CACHE_LINE_WIDTH; - } - *(INSTRUCTION_TYPE *) (ptr - INSN_CACHE_LINE_WIDTH) = RETURN_INSTRUCTION; - - initialized = 1; - } - - /* Call the beginning of the sequence. */ - (((function_ptr) (((int) array + INSN_CACHE_LINE_WIDTH - 1) - & -INSN_CACHE_LINE_WIDTH)) - ()); - -#else /* Cache is large. */ - - if (! initialized) - { - int ptr = (((int) array + INSN_CACHE_LINE_WIDTH - 1) - & -INSN_CACHE_LINE_WIDTH); - - while (ptr < (int) array + sizeof array) - { - *(INSTRUCTION_TYPE *)ptr = RETURN_INSTRUCTION; - ptr += INSN_CACHE_LINE_WIDTH; - } - - initialized = 1; - } - - /* Find the location in array that occupies the same cache line as BEG. */ - - offset = ((int) beg & -INSN_CACHE_LINE_WIDTH) & (INSN_CACHE_PLANE_SIZE - 1); - start_addr = (((int) (array + INSN_CACHE_PLANE_SIZE - 1) - & -INSN_CACHE_PLANE_SIZE) - + offset); - - /* Compute the cache alignment of the place to stop clearing. */ -#if 0 /* This is not needed for gcc's purposes. */ - /* If the block to clear is bigger than a cache plane, - we clear the entire cache, and OFFSET is already correct. */ - if (end < beg + INSN_CACHE_PLANE_SIZE) -#endif - offset = (((int) (end + INSN_CACHE_LINE_WIDTH - 1) - & -INSN_CACHE_LINE_WIDTH) - & (INSN_CACHE_PLANE_SIZE - 1)); - -#if INSN_CACHE_DEPTH > 1 - end_addr = (start_addr & -INSN_CACHE_PLANE_SIZE) + offset; - if (end_addr <= start_addr) - end_addr += INSN_CACHE_PLANE_SIZE; - - for (plane = 0; plane < INSN_CACHE_DEPTH; plane++) - { - int addr = start_addr + plane * INSN_CACHE_PLANE_SIZE; - int stop = end_addr + plane * INSN_CACHE_PLANE_SIZE; - - while (addr != stop) - { - /* Call the return instruction at ADDR. */ - ((function_ptr) addr) (); - - addr += INSN_CACHE_LINE_WIDTH; - } - } -#else /* just one plane */ - do - { - /* Call the return instruction at START_ADDR. */ - ((function_ptr) start_addr) (); - - start_addr += INSN_CACHE_LINE_WIDTH; - } - while ((start_addr % INSN_CACHE_SIZE) != offset); -#endif /* just one plane */ -#endif /* Cache is large */ -#endif /* Cache exists */ #endif /* CLEAR_INSN_CACHE */ } -- cgit v1.2.1