diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.h')
| -rw-r--r-- | gcc/config/rs6000/rs6000.h | 55 |
1 files changed, 31 insertions, 24 deletions
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h index 4fecba1c4bf..4fb7a5bc1ce 100644 --- a/gcc/config/rs6000/rs6000.h +++ b/gcc/config/rs6000/rs6000.h @@ -884,15 +884,19 @@ extern int rs6000_debug_arg; /* debug argument handling */ 64-bit AIX reserves GPR13 for thread-private data. Conditionally disable FPRs. */ -#define CONDITIONAL_REGISTER_USAGE \ -{ \ - if (! TARGET_POWER) \ - fixed_regs[64] = 1; \ - if (TARGET_64BIT) \ - fixed_regs[13] = call_used_regs[13] = 1; \ - if (TARGET_SOFT_FLOAT) \ - for (i = 32; i < 64; i++) \ - fixed_regs[i] = call_used_regs[i] = 1; \ +#define CONDITIONAL_REGISTER_USAGE \ +{ \ + if (! TARGET_POWER) \ + fixed_regs[64] = 1; \ + if (TARGET_64BIT) \ + fixed_regs[13] = call_used_regs[13] = 1; \ + if (TARGET_SOFT_FLOAT) \ + for (i = 32; i < 64; i++) \ + fixed_regs[i] = call_used_regs[i] = 1; \ + if ((DEFAULT_ABI == ABI_V4 || DEFAULT_ABI == ABI_SOLARIS) \ + && flag_pic == 1) \ + fixed_regs[PIC_OFFSET_TABLE_REGNUM] \ + = call_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \ } /* Specify the registers used for certain standard purposes. @@ -925,12 +929,6 @@ extern int rs6000_debug_arg; /* debug argument handling */ /* Special register that represents memory, used for float/int conversions. */ #define FPMEM_REGNUM 76 -/* Register to use as a placeholder for the GOT/allocated TOC register. - FINALIZE_PIC will change all uses of this register to a an appropriate - pseudo register when it adds the code to setup the GOT. We use r2 - because it is a reserved register in all of the ABI's. */ -#define GOT_TOC_REGNUM 2 - /* Place that structure value return address is placed. On the RS/6000, it is passed as an extra parameter. */ @@ -1437,17 +1435,22 @@ extern int rs6000_sysv_varargs_p; floating-point register number, and the third says how many more args we have prototype types for. + For ABI_V4, we treat these slightly differently -- `sysv_gregno' is + the next availible GP register, `fregno' is the next available FP + register, and `words' is the number of words used on the stack. + The varargs/stdarg support requires that this structure's size - be a multiple of sizeof(int). */ + be a multiple of sizeof(int). */ typedef struct rs6000_args { - int words; /* # words uses for passing GP registers */ + int words; /* # words used 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 prototype; /* Whether a prototype was defined */ int call_cookie; /* Do special things for this call */ + int sysv_gregno; /* next available GP register */ } CUMULATIVE_ARGS; /* Define intermediate macro to compute the size (in registers) of an argument @@ -2105,7 +2108,7 @@ do { \ this macro is not defined, it is up to the machine-dependent files to allocate such a register (if necessary). */ -/* #define PIC_OFFSET_TABLE_REGNUM */ +#define PIC_OFFSET_TABLE_REGNUM 30 /* Define this macro if the register defined by `PIC_OFFSET_TABLE_REGNUM' is clobbered by calls. Do not define @@ -2128,7 +2131,7 @@ do { \ prologues being included in functions which used inline functions and were compiled to assembly language.) */ -#define FINALIZE_PIC rs6000_finalize_pic () +/* #define FINALIZE_PIC */ /* A C expression that is nonzero if X is a legitimate immediate operand on the target machine when generating position independent @@ -2469,7 +2472,7 @@ extern int rs6000_trunc_used; rs6000_gen_section_name (&xcoff_read_only_section_name, \ main_input_filename, ".ro_"); \ \ - output_file_directive (FILE, main_input_filename); \ + fprintf (FILE, "\t.file\t\"%s\"\n", main_input_filename); \ if (TARGET_64BIT) \ fputs ("\t.machine\t\"ppc64\"\n", FILE); \ toc_section (); \ @@ -2531,11 +2534,12 @@ extern int rs6000_trunc_used; /* If we are referencing a function that is static or is known to be in this file, make the SYMBOL_REF special. We can use this to indicate that we can branch to this function without emitting a no-op after the - call. */ + call. Do not set this flag if the function is weakly defined. */ #define ENCODE_SECTION_INFO(DECL) \ if (TREE_CODE (DECL) == FUNCTION_DECL \ - && (TREE_ASM_WRITTEN (DECL) || ! TREE_PUBLIC (DECL))) \ + && (TREE_ASM_WRITTEN (DECL) || ! TREE_PUBLIC (DECL)) \ + && !DECL_WEAK (DECL)) \ SYMBOL_REF_FLAG (XEXP (DECL_RTL (DECL), 0)) = 1; /* Indicate that jump tables go in the text section. */ @@ -3179,6 +3183,7 @@ do { \ {"reg_or_neg_short_operand", {SUBREG, REG, CONST_INT}}, \ {"reg_or_u_short_operand", {SUBREG, REG, CONST_INT}}, \ {"reg_or_cint_operand", {SUBREG, REG, CONST_INT}}, \ + {"reg_or_u_cint_operand", {SUBREG, REG, CONST_INT, CONST_DOUBLE}}, \ {"got_operand", {SYMBOL_REF, CONST, LABEL_REF}}, \ {"got_no_const_operand", {SYMBOL_REF, LABEL_REF}}, \ {"easy_fp_constant", {CONST_DOUBLE}}, \ @@ -3192,7 +3197,9 @@ do { \ {"and_operand", {SUBREG, REG, CONST_INT}}, \ {"and64_operand", {SUBREG, REG, CONST_INT, CONST_DOUBLE}}, \ {"logical_operand", {SUBREG, REG, CONST_INT}}, \ + {"logical_u_operand", {SUBREG, REG, CONST_INT, CONST_DOUBLE}}, \ {"non_logical_cint_operand", {CONST_INT}}, \ + {"non_logical_u_cint_operand", {CONST_INT, CONST_DOUBLE}}, \ {"mask_operand", {CONST_INT}}, \ {"mask64_operand", {CONST_INT, CONST_DOUBLE}}, \ {"count_register_operand", {REG}}, \ @@ -3226,13 +3233,13 @@ extern int flag_expensive_optimizations; extern int frame_pointer_needed; /* Declare functions in rs6000.c */ -extern int offsettable_mem_operand (); extern void optimization_options (); extern void output_options (); extern void rs6000_override_options (); extern void rs6000_file_start (); extern struct rtx_def *rs6000_float_const (); extern struct rtx_def *rs6000_got_register (); +extern struct rtx_def *find_addr_reg(); extern int direct_return (); extern int get_issue_rate (); extern int any_operand (); @@ -3251,7 +3258,7 @@ extern int got_no_const_operand (); extern int num_insns_constant (); extern int easy_fp_constant (); extern int volatile_mem_operand (); -extern int offsettable_addr_operand (); +extern int offsettable_mem_operand (); extern int mem_or_easy_const_operand (); extern int add_operand (); extern int non_add_cint_operand (); |