diff options
Diffstat (limited to 'gcc/config/mips')
| -rw-r--r-- | gcc/config/mips/gnu-user.h | 140 | ||||
| -rw-r--r-- | gcc/config/mips/gnu-user64.h | 60 | ||||
| -rw-r--r-- | gcc/config/mips/linux.h | 121 | ||||
| -rw-r--r-- | gcc/config/mips/linux64.h | 43 | ||||
| -rw-r--r-- | gcc/config/mips/mips.c | 50 |
5 files changed, 219 insertions, 195 deletions
diff --git a/gcc/config/mips/gnu-user.h b/gcc/config/mips/gnu-user.h new file mode 100644 index 00000000000..49c459bc743 --- /dev/null +++ b/gcc/config/mips/gnu-user.h @@ -0,0 +1,140 @@ +/* Definitions for MIPS systems using GNU userspace. + Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, + 2007, 2008, 2010, 2011 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC 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, or (at your option) +any later version. + +GCC 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 GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#undef WCHAR_TYPE +#define WCHAR_TYPE "int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE 32 + +#undef ASM_DECLARE_OBJECT_NAME +#define ASM_DECLARE_OBJECT_NAME mips_declare_object_name + +/* If we don't set MASK_ABICALLS, we can't default to PIC. */ +#undef TARGET_DEFAULT +#define TARGET_DEFAULT MASK_ABICALLS + +#define TARGET_OS_CPP_BUILTINS() \ + do { \ + GNU_USER_TARGET_OS_CPP_BUILTINS(); \ + /* The GNU C++ standard library requires this. */ \ + if (c_dialect_cxx ()) \ + builtin_define ("_GNU_SOURCE"); \ + } while (0) + +#undef SUBTARGET_CPP_SPEC +#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" + +/* A standard GNU/Linux mapping. On most targets, it is included in + CC1_SPEC itself by config/linux.h, but mips.h overrides CC1_SPEC + and provides this hook instead. */ +#undef SUBTARGET_CC1_SPEC +#define SUBTARGET_CC1_SPEC "%{profile:-p}" + +/* From iris5.h */ +/* -G is incompatible with -KPIC which is the default, so only allow objects + in the small data section if the user explicitly asks for it. */ +#undef MIPS_DEFAULT_GVALUE +#define MIPS_DEFAULT_GVALUE 0 + +/* Borrowed from sparc/linux.h */ +#undef LINK_SPEC +#define LINK_SPEC \ + "%(endian_spec) \ + %{shared:-shared} \ + %{!shared: \ + %{!static: \ + %{rdynamic:-export-dynamic} \ + -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \ + %{static:-static}}" + +#undef SUBTARGET_ASM_SPEC +#define SUBTARGET_ASM_SPEC \ + "%{!mno-abicalls:%{mplt:-call_nonpic;:-KPIC}}" + +/* The MIPS assembler has different syntax for .set. We set it to + .dummy to trap any errors. */ +#undef SET_ASM_OP +#define SET_ASM_OP "\t.dummy\t" + +#undef ASM_OUTPUT_DEF +#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ + do { \ + fputc ( '\t', FILE); \ + assemble_name (FILE, LABEL1); \ + fputs ( " = ", FILE); \ + assemble_name (FILE, LABEL2); \ + fputc ( '\n', FILE); \ + } while (0) + +/* The glibc _mcount stub will save $v0 for us. Don't mess with saving + it, since ASM_OUTPUT_REG_PUSH/ASM_OUTPUT_REG_POP do not work in the + presence of $gp-relative calls. */ +#undef ASM_OUTPUT_REG_PUSH +#undef ASM_OUTPUT_REG_POP + +#undef LIB_SPEC +#define LIB_SPEC "\ +%{pthread:-lpthread} \ +%{shared:-lc} \ +%{!shared: \ + %{profile:-lc_p} %{!profile:-lc}}" + +#ifdef HAVE_AS_NO_SHARED +/* Default to -mno-shared for non-PIC. */ +# define NO_SHARED_SPECS \ + "%{mshared|mno-shared|fpic|fPIC|fpie|fPIE:;:-mno-shared}" +#else +# define NO_SHARED_SPECS "" +#endif + +/* -march=native handling only makes sense with compiler running on + a MIPS chip. */ +#if defined(__mips__) +extern const char *host_detect_local_cpu (int argc, const char **argv); +# define EXTRA_SPEC_FUNCTIONS \ + { "local_cpu_detect", host_detect_local_cpu }, + +# define MARCH_MTUNE_NATIVE_SPECS \ + " %{march=native:%<march=native %:local_cpu_detect(arch)}" \ + " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" +#else +# define MARCH_MTUNE_NATIVE_SPECS "" +#endif + +#define LINUX_DRIVER_SELF_SPECS \ + NO_SHARED_SPECS \ + MARCH_MTUNE_NATIVE_SPECS, \ + /* -mplt has no effect without -mno-shared. Simplify later \ + specs handling by removing a redundant option. */ \ + "%{!mno-shared:%<mplt}", \ + /* -mplt likewise has no effect for -mabi=64 without -msym32. */ \ + "%{mabi=64:%{!msym32:%<mplt}}" + +#undef DRIVER_SELF_SPECS +#define DRIVER_SELF_SPECS \ + BASE_DRIVER_SELF_SPECS, \ + LINUX_DRIVER_SELF_SPECS + +/* Similar to standard Linux, but adding -ffast-math support. */ +#undef ENDFILE_SPEC +#define ENDFILE_SPEC \ + "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ + %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" diff --git a/gcc/config/mips/gnu-user64.h b/gcc/config/mips/gnu-user64.h new file mode 100644 index 00000000000..91b021d1ca8 --- /dev/null +++ b/gcc/config/mips/gnu-user64.h @@ -0,0 +1,60 @@ +/* Definitions for MIPS systems using GNU userspace and n32/64 abi. + Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010, 2011 + Free Software Foundation, Inc. + +This file is part of GCC. + +GCC 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, or (at your option) +any later version. + +GCC 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 GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +/* Force the default endianness and ABI flags onto the command line + in order to make the other specs easier to write. */ +#undef DRIVER_SELF_SPECS +#define DRIVER_SELF_SPECS \ + BASE_DRIVER_SELF_SPECS, \ + LINUX_DRIVER_SELF_SPECS \ + " %{!EB:%{!EL:%(endian_spec)}}" \ + " %{!mabi=*: -" MULTILIB_ABI_DEFAULT "}" + +#undef LIB_SPEC +#define LIB_SPEC "\ +%{pthread:-lpthread} \ +%{shared:-lc} \ +%{!shared: \ + %{profile:-lc_p} %{!profile:-lc}}" + +#undef LINK_SPEC +#define LINK_SPEC "\ +%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \ +%{shared} \ + %(endian_spec) \ + %{!shared: \ + %{!static: \ + %{rdynamic:-export-dynamic} \ + %{mabi=n32: -dynamic-linker " GNU_USER_DYNAMIC_LINKERN32 "} \ + %{mabi=64: -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \ + %{mabi=32: -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}} \ + %{static:-static}} \ +%{mabi=n32:-m" GNU_USER_LINK_EMULATIONN32 "} \ +%{mabi=64:-m" GNU_USER_LINK_EMULATION64 "} \ +%{mabi=32:-m" GNU_USER_LINK_EMULATION32 "}" + +#undef LOCAL_LABEL_PREFIX +#define LOCAL_LABEL_PREFIX (TARGET_OLDABI ? "$" : ".") + +/* GNU/Linux doesn't use the same floating-point format that IRIX uses + for long double. There's no need to override this here, since + ieee_quad_format is the default, but let's put this here to make + sure nobody thinks we just forgot to set it to something else. */ +#define MIPS_TFMODE_FORMAT mips_quad_format diff --git a/gcc/config/mips/linux.h b/gcc/config/mips/linux.h index 544a99f2d0b..bce9c1793f2 100644 --- a/gcc/config/mips/linux.h +++ b/gcc/config/mips/linux.h @@ -18,125 +18,4 @@ You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ -#undef WCHAR_TYPE -#define WCHAR_TYPE "int" - -#undef WCHAR_TYPE_SIZE -#define WCHAR_TYPE_SIZE 32 - -#undef ASM_DECLARE_OBJECT_NAME -#define ASM_DECLARE_OBJECT_NAME mips_declare_object_name - -/* If we don't set MASK_ABICALLS, we can't default to PIC. */ -#undef TARGET_DEFAULT -#define TARGET_DEFAULT MASK_ABICALLS - -#define TARGET_OS_CPP_BUILTINS() \ - do { \ - GNU_USER_TARGET_OS_CPP_BUILTINS(); \ - /* The GNU C++ standard library requires this. */ \ - if (c_dialect_cxx ()) \ - builtin_define ("_GNU_SOURCE"); \ - } while (0) - -#undef SUBTARGET_CPP_SPEC -#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" - -/* A standard GNU/Linux mapping. On most targets, it is included in - CC1_SPEC itself by config/linux.h, but mips.h overrides CC1_SPEC - and provides this hook instead. */ -#undef SUBTARGET_CC1_SPEC -#define SUBTARGET_CC1_SPEC "%{profile:-p}" - -/* From iris5.h */ -/* -G is incompatible with -KPIC which is the default, so only allow objects - in the small data section if the user explicitly asks for it. */ -#undef MIPS_DEFAULT_GVALUE -#define MIPS_DEFAULT_GVALUE 0 - #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" - -/* Borrowed from sparc/linux.h */ -#undef LINK_SPEC -#define LINK_SPEC \ - "%(endian_spec) \ - %{shared:-shared} \ - %{!shared: \ - %{!static: \ - %{rdynamic:-export-dynamic} \ - -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \ - %{static:-static}}" - -#undef SUBTARGET_ASM_SPEC -#define SUBTARGET_ASM_SPEC \ - "%{!mno-abicalls:%{mplt:-call_nonpic;:-KPIC}}" - -/* The MIPS assembler has different syntax for .set. We set it to - .dummy to trap any errors. */ -#undef SET_ASM_OP -#define SET_ASM_OP "\t.dummy\t" - -#undef ASM_OUTPUT_DEF -#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ - do { \ - fputc ( '\t', FILE); \ - assemble_name (FILE, LABEL1); \ - fputs ( " = ", FILE); \ - assemble_name (FILE, LABEL2); \ - fputc ( '\n', FILE); \ - } while (0) - -/* The glibc _mcount stub will save $v0 for us. Don't mess with saving - it, since ASM_OUTPUT_REG_PUSH/ASM_OUTPUT_REG_POP do not work in the - presence of $gp-relative calls. */ -#undef ASM_OUTPUT_REG_PUSH -#undef ASM_OUTPUT_REG_POP - -#undef LIB_SPEC -#define LIB_SPEC "\ -%{pthread:-lpthread} \ -%{shared:-lc} \ -%{!shared: \ - %{profile:-lc_p} %{!profile:-lc}}" - -#ifdef HAVE_AS_NO_SHARED -/* Default to -mno-shared for non-PIC. */ -# define NO_SHARED_SPECS \ - "%{mshared|mno-shared|fpic|fPIC|fpie|fPIE:;:-mno-shared}" -#else -# define NO_SHARED_SPECS "" -#endif - -/* -march=native handling only makes sense with compiler running on - a MIPS chip. */ -#if defined(__mips__) -extern const char *host_detect_local_cpu (int argc, const char **argv); -# define EXTRA_SPEC_FUNCTIONS \ - { "local_cpu_detect", host_detect_local_cpu }, - -# define MARCH_MTUNE_NATIVE_SPECS \ - " %{march=native:%<march=native %:local_cpu_detect(arch)}" \ - " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" -#else -# define MARCH_MTUNE_NATIVE_SPECS "" -#endif - -#define LINUX_DRIVER_SELF_SPECS \ - NO_SHARED_SPECS \ - MARCH_MTUNE_NATIVE_SPECS, \ - /* -mplt has no effect without -mno-shared. Simplify later \ - specs handling by removing a redundant option. */ \ - "%{!mno-shared:%<mplt}", \ - /* -mplt likewise has no effect for -mabi=64 without -msym32. */ \ - "%{mabi=64:%{!msym32:%<mplt}}" - -#undef DRIVER_SELF_SPECS -#define DRIVER_SELF_SPECS \ - BASE_DRIVER_SELF_SPECS, \ - LINUX_DRIVER_SELF_SPECS - -/* Similar to standard Linux, but adding -ffast-math support. */ -#undef ENDFILE_SPEC -#define ENDFILE_SPEC \ - "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ - %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" diff --git a/gcc/config/mips/linux64.h b/gcc/config/mips/linux64.h index cfdae5a1e61..6e92719881b 100644 --- a/gcc/config/mips/linux64.h +++ b/gcc/config/mips/linux64.h @@ -19,21 +19,9 @@ You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ -/* Force the default endianness and ABI flags onto the command line - in order to make the other specs easier to write. */ -#undef DRIVER_SELF_SPECS -#define DRIVER_SELF_SPECS \ - BASE_DRIVER_SELF_SPECS, \ - LINUX_DRIVER_SELF_SPECS \ - " %{!EB:%{!EL:%(endian_spec)}}" \ - " %{!mabi=*: -" MULTILIB_ABI_DEFAULT "}" - -#undef LIB_SPEC -#define LIB_SPEC "\ -%{pthread:-lpthread} \ -%{shared:-lc} \ -%{!shared: \ - %{profile:-lc_p} %{!profile:-lc}}" +#define GNU_USER_LINK_EMULATION32 "elf32%{EB:b}%{EL:l}tsmip" +#define GNU_USER_LINK_EMULATION64 "elf64%{EB:b}%{EL:l}tsmip" +#define GNU_USER_LINK_EMULATIONN32 "elf32%{EB:b}%{EL:l}tsmipn32" #define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1" #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld.so.1" @@ -43,28 +31,3 @@ along with GCC; see the file COPYING3. If not see #define GNU_USER_DYNAMIC_LINKERN32 \ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, \ BIONIC_DYNAMIC_LINKERN32) - -#undef LINK_SPEC -#define LINK_SPEC "\ -%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \ -%{shared} \ - %(endian_spec) \ - %{!shared: \ - %{!static: \ - %{rdynamic:-export-dynamic} \ - %{mabi=n32: -dynamic-linker " GNU_USER_DYNAMIC_LINKERN32 "} \ - %{mabi=64: -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \ - %{mabi=32: -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}} \ - %{static:-static}} \ -%{mabi=n32:-melf32%{EB:b}%{EL:l}tsmipn32} \ -%{mabi=64:-melf64%{EB:b}%{EL:l}tsmip} \ -%{mabi=32:-melf32%{EB:b}%{EL:l}tsmip}" - -#undef LOCAL_LABEL_PREFIX -#define LOCAL_LABEL_PREFIX (TARGET_OLDABI ? "$" : ".") - -/* GNU/Linux doesn't use the same floating-point format that IRIX uses - for long double. There's no need to override this here, since - ieee_quad_format is the default, but let's put this here to make - sure nobody thinks we just forgot to set it to something else. */ -#define MIPS_TFMODE_FORMAT mips_quad_format diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index ee71c4040c7..89371734d4e 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -5452,8 +5452,7 @@ mips_va_start (tree valist, rtx nextarg) words used by named arguments. */ t = make_tree (TREE_TYPE (ovfl), virtual_incoming_args_rtx); if (cum->stack_words > 0) - t = build2 (POINTER_PLUS_EXPR, TREE_TYPE (ovfl), t, - size_int (cum->stack_words * UNITS_PER_WORD)); + t = fold_build_pointer_plus_hwi (t, cum->stack_words * UNITS_PER_WORD); t = build2 (MODIFY_EXPR, TREE_TYPE (ovfl), ovfl, t); expand_expr (t, const0_rtx, VOIDmode, EXPAND_NORMAL); @@ -5469,8 +5468,7 @@ mips_va_start (tree valist, rtx nextarg) fpr_offset = gpr_save_area_size + UNITS_PER_FPVALUE - 1; fpr_offset &= -UNITS_PER_FPVALUE; if (fpr_offset) - t = build2 (POINTER_PLUS_EXPR, TREE_TYPE (ftop), t, - size_int (-fpr_offset)); + t = fold_build_pointer_plus_hwi (t, -fpr_offset); t = build2 (MODIFY_EXPR, TREE_TYPE (ftop), ftop, t); expand_expr (t, const0_rtx, VOIDmode, EXPAND_NORMAL); @@ -5615,24 +5613,17 @@ mips_gimplify_va_arg_expr (tree valist, tree type, gimple_seq *pre_p, addr_rtx = top - off + (BYTES_BIG_ENDIAN ? RSIZE - SIZE : 0). */ t = fold_convert (sizetype, t); t = fold_build1 (NEGATE_EXPR, sizetype, t); - t = build2 (POINTER_PLUS_EXPR, TREE_TYPE (top), top, t); + t = fold_build_pointer_plus (top, t); if (BYTES_BIG_ENDIAN && rsize > size) - { - u = size_int (rsize - size); - t = build2 (POINTER_PLUS_EXPR, TREE_TYPE (t), t, u); - } + t = fold_build_pointer_plus_hwi (t, rsize - size); COND_EXPR_THEN (addr) = t; if (osize > UNITS_PER_WORD) { /* [9] Emit: ovfl = ((intptr_t) ovfl + osize - 1) & -osize. */ - u = size_int (osize - 1); - t = build2 (POINTER_PLUS_EXPR, TREE_TYPE (ovfl), - unshare_expr (ovfl), u); - t = fold_convert (sizetype, t); - u = size_int (-osize); + t = fold_build_pointer_plus_hwi (unshare_expr (ovfl), osize - 1); + u = build_int_cst (TREE_TYPE (t), -osize); t = build2 (BIT_AND_EXPR, sizetype, t, u); - t = fold_convert (TREE_TYPE (ovfl), t); align = build2 (MODIFY_EXPR, TREE_TYPE (ovfl), unshare_expr (ovfl), t); } @@ -5645,10 +5636,7 @@ mips_gimplify_va_arg_expr (tree valist, tree type, gimple_seq *pre_p, u = fold_convert (TREE_TYPE (ovfl), build_int_cst (NULL_TREE, osize)); t = build2 (POSTINCREMENT_EXPR, TREE_TYPE (ovfl), ovfl, u); if (BYTES_BIG_ENDIAN && osize > size) - { - u = size_int (osize - size); - t = build2 (POINTER_PLUS_EXPR, TREE_TYPE (t), t, u); - } + t = fold_build_pointer_plus_hwi (t, osize - size); /* String [9] and [10, 11] together. */ if (align) @@ -6862,7 +6850,7 @@ mips_get_unaligned_mem (rtx *op, HOST_WIDE_INT width, HOST_WIDE_INT bitpos, /* Adjust *OP to refer to the whole field. This also has the effect of legitimizing *OP's address for BLKmode, possibly simplifying it. */ *op = adjust_address (*op, BLKmode, 0); - set_mem_size (*op, GEN_INT (width / BITS_PER_UNIT)); + set_mem_size (*op, width / BITS_PER_UNIT); /* Get references to both ends of the field. We deliberately don't use the original QImode *OP for FIRST since the new BLKmode one @@ -6962,13 +6950,9 @@ mips_expand_ins_as_unaligned_store (rtx dest, rtx src, HOST_WIDE_INT width, bool mips_mem_fits_mode_p (enum machine_mode mode, rtx x) { - rtx size; - - if (!MEM_P (x)) - return false; - - size = MEM_SIZE (x); - return size && INTVAL (size) == GET_MODE_SIZE (mode); + return (MEM_P (x) + && MEM_SIZE_KNOWN_P (x) + && MEM_SIZE (x) == GET_MODE_SIZE (mode)); } /* Return true if (zero_extract OP WIDTH BITPOS) can be used as the @@ -13781,13 +13765,9 @@ r10k_safe_address_p (rtx x, rtx insn) a link-time-constant address. */ static bool -r10k_safe_mem_expr_p (tree expr, rtx offset) +r10k_safe_mem_expr_p (tree expr, HOST_WIDE_INT offset) { - if (expr == NULL_TREE - || offset == NULL_RTX - || !CONST_INT_P (offset) - || INTVAL (offset) < 0 - || INTVAL (offset) >= int_size_in_bytes (TREE_TYPE (expr))) + if (offset < 0 || offset >= int_size_in_bytes (TREE_TYPE (expr))) return false; while (TREE_CODE (expr) == COMPONENT_REF) @@ -13813,7 +13793,9 @@ r10k_needs_protection_p_1 (rtx *loc, void *data) if (!MEM_P (mem)) return 0; - if (r10k_safe_mem_expr_p (MEM_EXPR (mem), MEM_OFFSET (mem))) + if (MEM_EXPR (mem) + && MEM_OFFSET_KNOWN_P (mem) + && r10k_safe_mem_expr_p (MEM_EXPR (mem), MEM_OFFSET (mem))) return -1; if (r10k_safe_address_p (XEXP (mem, 0), (rtx) data)) |