diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.h')
| -rw-r--r-- | gcc/config/rs6000/rs6000.h | 113 |
1 files changed, 96 insertions, 17 deletions
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h index 4830957e4c0..0ecc03c2b95 100644 --- a/gcc/config/rs6000/rs6000.h +++ b/gcc/config/rs6000/rs6000.h @@ -140,6 +140,10 @@ Boston, MA 02111-1307, USA. */ Do not define this macro if it does not need to do anything. */ +#ifndef SUBTARGET_EXTRA_SPECS +#define SUBTARGET_EXTRA_SPECS +#endif + #define EXTRA_SPECS \ { "cpp_cpu", CPP_CPU_SPEC }, \ { "cpp_default", CPP_DEFAULT_SPEC }, \ @@ -147,7 +151,36 @@ Boston, MA 02111-1307, USA. */ { "cpp_sysv_default", CPP_SYSV_DEFAULT_SPEC }, \ { "cpp_endian", CPP_ENDIAN_SPEC }, \ { "asm_cpu", ASM_CPU_SPEC }, \ - { "asm_default", ASM_DEFAULT_SPEC } + { "asm_default", ASM_DEFAULT_SPEC }, \ + { "link_syscalls", LINK_SYSCALLS_SPEC }, \ + { "link_libg", LINK_LIBG_SPEC }, \ + { "link_path", LINK_PATH_SPEC }, \ + { "link_start", LINK_START_SPEC }, \ + SUBTARGET_EXTRA_SPECS + +/* Default paths to give linker under V.4 */ +#ifndef LINK_PATH_SPEC +#define LINK_PATH_SPEC "" +#endif + +/* Default location of syscalls.exp under AIX */ +#ifndef CROSS_COMPILE +#define LINK_SYSCALLS_SPEC "-bI:/lib/syscalls.exp" +#else +#define LINK_SYSCALLS_SPEC "" +#endif + +/* Default location of libg.exp under AIX */ +#ifndef CROSS_COMPILE +#define LINK_LIBG_SPEC "-bexport:/usr/lib/libg.exp" +#else +#define LINK_LIBG_SPEC "" +#endif + +/* Default starting address if specified */ +#ifndef LINK_START_SPEC +#define LINK_START_SPEC "" +#endif /* Define the options for the binder: Start text at 512, align all segments to 512 bytes, and warn if there is text relocation. @@ -163,15 +196,9 @@ Boston, MA 02111-1307, USA. */ that to actually build a shared library you will also need to specify an export list with the -Wl,-bE option. */ -#ifndef CROSS_COMPILE -#define LINK_SPEC "-T512 -H512 %{!r:-btextro} -bhalt:4 -bnodelcsect\ - %{static:-bnso} \ - %{shared:-bM:SRE}" -#else #define LINK_SPEC "-T512 -H512 %{!r:-btextro} -bhalt:4 -bnodelcsect\ - %{static:-bnso -bI:/lib/syscalls.exp} \ - %{!shared:%{g*:-bexport:/usr/lib/libg.exp}} %{shared:-bM:SRE}" -#endif + %{static:-bnso %(link_syscalls) } \ + %{!shared:%{g*: %(link_libg) }} %{shared:-bM:SRE}" /* Profiled library versions are used by linking with special directories. */ #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\ @@ -1206,13 +1233,24 @@ extern int rs6000_sysv_varargs_p; /* Minimum and maximum floating point registers used to hold arguments. */ #define FP_ARG_MIN_REG 33 -#define FP_ARG_MAX_REG 45 +#define FP_ARG_AIX_MAX_REG 45 +#define FP_ARG_V4_MAX_REG 40 +#define FP_ARG_MAX_REG FP_ARG_AIX_MAX_REG #define FP_ARG_NUM_REG (FP_ARG_MAX_REG - FP_ARG_MIN_REG + 1) /* Return registers */ #define GP_ARG_RETURN GP_ARG_MIN_REG #define FP_ARG_RETURN FP_ARG_MIN_REG +/* Flags for the call/call_value rtl operations set up by function_arg */ +enum rs6000_call_cookie +{ + CALL_V4_SET_FP_ARGS = -1, /* V4, FP args passed */ + CALL_NORMAL = 0, /* no special processing */ + CALL_V4_CLEAR_FP_ARGS = 1, /* V4, no FP args passed */ + CALL_NT_DLLIMPORT = 2 /* NT, this is a DLL import call */ +}; + /* Define cutoff for using external functions to save floating point */ #define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) == 62 || (FIRST_REG) == 63) @@ -1246,12 +1284,13 @@ extern int rs6000_sysv_varargs_p; typedef struct rs6000_args { - int words; /* # words uses for passing GP registers */ - int fregno; /* next available FP register */ - int nargs_prototype; /* # args left in the current prototype */ - int orig_nargs; /* Original value of nargs_prototype */ - int varargs_offset; /* offset of the varargs save area */ - int prototype; /* Whether a prototype was defined */ + int words; /* # words uses for passing GP registers */ + int fregno; /* next available FP register */ + int nargs_prototype; /* # args left in the current prototype */ + int orig_nargs; /* Original value of nargs_prototype */ + int varargs_offset; /* offset of the varargs save area */ + int prototype; /* Whether a prototype was defined */ + enum rs6000_call_cookie call_cookie; /* Do special things for this call */ } CUMULATIVE_ARGS; /* Define intermediate macro to compute the size (in registers) of an argument @@ -1423,6 +1462,35 @@ typedef struct rs6000_args #define INITIALIZE_TRAMPOLINE(ADDR, FNADDR, CXT) \ rs6000_initialize_trampoline (ADDR, FNADDR, CXT) +/* If defined, a C expression whose value is nonzero if IDENTIFIER + with arguments ARGS is a valid machine specific attribute for DECL. + The attributes in ATTRIBUTES have previously been assigned to DECL. */ + +#define VALID_MACHINE_DECL_ATTRIBUTE(DECL, ATTRIBUTES, NAME, ARGS) \ + (rs6000_valid_decl_attribute_p (DECL, ATTRIBUTES, NAME, ARGS)) + +/* If defined, a C expression whose value is nonzero if IDENTIFIER + with arguments ARGS is a valid machine specific attribute for TYPE. + The attributes in ATTRIBUTES have previously been assigned to TYPE. */ + +#define VALID_MACHINE_TYPE_ATTRIBUTE(TYPE, ATTRIBUTES, NAME, ARGS) \ + (rs6000_valid_type_attribute_p (TYPE, ATTRIBUTES, NAME, ARGS)) + +/* If defined, a C expression whose value is zero if the attributes on + TYPE1 and TYPE2 are incompatible, one if they are compatible, and + two if they are nearly compatible (which causes a warning to be + generated). */ + +#define COMP_TYPE_ATTRIBUTES(TYPE1, TYPE2) \ + (rs6000_comp_type_attributes (TYPE1, TYPE2)) + +/* If defined, a C statement that assigns default attributes to newly + defined TYPE. */ + +#define SET_DEFAULT_TYPE_ATTRIBUTES(TYPE) \ + (rs6000_set_default_type_attributes (TYPE)) + + /* Definitions for __builtin_return_address and __builtin_frame_address. __builtin_return_address (0) should give link register (65), enable this. */ @@ -1618,6 +1686,9 @@ typedef struct rs6000_args && GET_CODE (XEXP (XEXP (X, 0), 1)) == CONST_INT \ && LEGITIMATE_CONSTANT_POOL_BASE_P (XEXP (XEXP (X, 0), 0)))) +#define LEGITIMATE_SMALL_DATA_P(MODE, X) \ + (DEFAULT_ABI == ABI_V4 && small_data_operand (X, MODE)) + #define LEGITIMATE_ADDRESS_INTEGER_P(X,OFFSET) \ (GET_CODE (X) == CONST_INT \ && (unsigned) (INTVAL (X) + (OFFSET) + 0x8000) < 0x10000) @@ -1658,6 +1729,8 @@ typedef struct rs6000_args if ((GET_CODE (X) == PRE_INC || GET_CODE (X) == PRE_DEC) \ && LEGITIMATE_INDIRECT_ADDRESS_P (XEXP (X, 0))) \ goto ADDR; \ + if (LEGITIMATE_SMALL_DATA_P (MODE, X)) \ + goto ADDR; \ if (LEGITIMATE_CONSTANT_POOL_ADDRESS_P (X)) \ goto ADDR; \ if (LEGITIMATE_OFFSET_ADDRESS_P (MODE, X)) \ @@ -2434,7 +2507,7 @@ toc_section () \ `assemble_name' uses this. */ #define ASM_OUTPUT_LABELREF(FILE,NAME) \ - fprintf (FILE, NAME) + fputs (NAME, FILE) /* This is how to output an internal numbered label where PREFIX is the class of label and NUM is the number within the class. */ @@ -2729,6 +2802,7 @@ extern int lwa_operand (); extern int call_operand (); extern int current_file_function_operand (); extern int input_operand (); +extern int small_data_operand (); extern void init_cumulative_args (); extern void function_arg_advance (); extern int function_arg_boundary (); @@ -2766,3 +2840,8 @@ extern int rs6000_adjust_cost (); extern void rs6000_trampoline_template (); extern int rs6000_trampoline_size (); extern void rs6000_initialize_trampoline (); +extern int rs6000_comp_type_attributes (); +extern int rs6000_valid_decl_attribute_p (); +extern int rs6000_valid_type_attribute_p (); +extern void rs6000_set_default_type_attributes (); +extern struct rtx_def *rs6000_dll_import_ref (); |