X-Git-Url: http://drtracing.org/?a=blobdiff_plain;ds=sidebyside;f=gas%2Fconfig%2Ftc-cr16.c;h=119f13001e0eebf10013d35a68964ce9a0e5889a;hb=945e0f82dad31db89a107b496532886fe215c011;hp=0f2456ec2aa79781b641a8a7a5464616938072fb;hpb=3739860c11a9cfcdaa4d5d204ea3536784de7bb3;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/tc-cr16.c b/gas/config/tc-cr16.c index 0f2456ec2a..119f13001e 100644 --- a/gas/config/tc-cr16.c +++ b/gas/config/tc-cr16.c @@ -1,5 +1,5 @@ /* tc-cr16.c -- Assembler code for the CR16 CPU core. - Copyright (C) 2007-2015 Free Software Foundation, Inc. + Copyright (C) 2007-2016 Free Software Foundation, Inc. Contributed by M R Swami Reddy @@ -206,7 +206,7 @@ l_cons (int nbytes) return; } - value |= ((~(-1 << width) & exp.X_add_number) + value |= ((~(-(1 << width)) & exp.X_add_number) << ((BITS_PER_CHAR * nbytes) - bits_available)); if ((bits_available -= width) == 0 @@ -702,7 +702,7 @@ md_undefined_symbol (char *name) GAS does not understand. */ int -md_parse_option (int c ATTRIBUTE_UNUSED, char *arg ATTRIBUTE_UNUSED) +md_parse_option (int c ATTRIBUTE_UNUSED, const char *arg ATTRIBUTE_UNUSED) { return 0; } @@ -715,7 +715,7 @@ md_show_usage (FILE *stream ATTRIBUTE_UNUSED) return; } -char * +const char * md_atof (int type, char *litP, int *sizeP) { return ieee_md_atof (type, litP, sizeP, target_big_endian); @@ -2195,7 +2195,7 @@ adjust_if_needed (ins *insn ATTRIBUTE_UNUSED) Returns 1 upon success, 0 upon failure. */ static int -assemble_insn (char *mnemonic, ins *insn) +assemble_insn (const char *mnemonic, ins *insn) { /* Type of each operand in the current template. */ argtype cur_type[MAX_OPERANDS]; @@ -2487,6 +2487,35 @@ print_insn (ins *insn) } } +/* Actually assemble an instruction. */ + +static void +cr16_assemble (const char *op, char *param) +{ + ins cr16_ins; + + /* Find the instruction. */ + instruction = (const inst *) hash_find (cr16_inst_hash, op); + if (instruction == NULL) + { + as_bad (_("Unknown opcode: `%s'"), op); + return; + } + + /* Tie dwarf2 debug info to the address at the start of the insn. */ + dwarf2_emit_insn (0); + + /* Parse the instruction's operands. */ + parse_insn (&cr16_ins, param); + + /* Assemble the instruction - return upon failure. */ + if (assemble_insn (op, &cr16_ins) == 0) + return; + + /* Print the instruction. */ + print_insn (&cr16_ins); +} + /* This is the guts of the machine-dependent assembler. OP points to a machine dependent instruction. This function is supposed to emit the frags/bytes it assembles to. */ @@ -2509,10 +2538,11 @@ md_assemble (char *op) if (is_bcc_insn (op)) { strcpy (param1, get_b_cc (op)); - op = "b"; strcat (param1,","); strcat (param1, param); param = (char *) ¶m1; + cr16_assemble ("b", param); + return; } /* Checking the cinv options and adjust the mnemonic by removing the @@ -2538,32 +2568,14 @@ md_assemble (char *op) && ((&cr16_ins)->arg[0].constant >= 0)) { if (streq ("lshb", op)) - op = "ashub"; + cr16_assemble ("ashub", param); else if (streq ("lshd", op)) - op = "ashud"; + cr16_assemble ("ashud", param); else - op = "ashuw"; + cr16_assemble ("ashuw", param); + return; } } - /* Find the instruction. */ - instruction = (const inst *) hash_find (cr16_inst_hash, op); - if (instruction == NULL) - { - as_bad (_("Unknown opcode: `%s'"), op); - return; - } - - /* Tie dwarf2 debug info to the address at the start of the insn. */ - dwarf2_emit_insn (0); - - /* Parse the instruction's operands. */ - parse_insn (&cr16_ins, param); - - /* Assemble the instruction - return upon failure. */ - if (assemble_insn (op, &cr16_ins) == 0) - return; - - /* Print the instruction. */ - print_insn (&cr16_ins); + cr16_assemble (op, param); }