diff options
Diffstat (limited to 'gcc/config/msp430/msp430.c')
| -rw-r--r-- | gcc/config/msp430/msp430.c | 191 |
1 files changed, 153 insertions, 38 deletions
diff --git a/gcc/config/msp430/msp430.c b/gcc/config/msp430/msp430.c index 9384d32457a..1ebb583c1ed 100644 --- a/gcc/config/msp430/msp430.c +++ b/gcc/config/msp430/msp430.c @@ -109,15 +109,114 @@ msp430_handle_option (struct gcc_options *opts ATTRIBUTE_UNUSED, #undef TARGET_OPTION_OVERRIDE #define TARGET_OPTION_OVERRIDE msp430_option_override +/* This list provides a set of known MCU names that support the MSP430X + ISA. The list has been provided by TI and should be kept in sync with + the ones in: + + gcc/config/msp430/t-msp430 + gas/config/tc-msp430.c + + FIXME: We ought to read the names in from a file at run, rather + than having them built in like this. Also such a file should be + shared with gas. */ + +static const char * msp430x_names [] = +{ + "cc430f5123", "cc430f5125", "cc430f5133", "cc430f5135", "cc430f5137", + "cc430f5143", "cc430f5145", "cc430f5147", "cc430f6125", "cc430f6126", + "cc430f6127", "cc430f6135", "cc430f6137", "cc430f6143", "cc430f6145", + "cc430f6147", "msp430bt5190", "msp430cg4616", "msp430cg4617", "msp430cg4618", + "msp430cg4619", "msp430f2416", "msp430f2417", "msp430f2418", "msp430f2419", + "msp430f2616", "msp430f2617", "msp430f2618", "msp430f2619", "msp430f4616", + "msp430f46161", "msp430f4617", "msp430f46171", "msp430f4618", "msp430f46181", + "msp430f4619", "msp430f46191", "msp430f47126", "msp430f47127", "msp430f47163", + "msp430f47166", "msp430f47167", "msp430f47173", "msp430f47176", "msp430f47177", + "msp430f47183", "msp430f47186", "msp430f47187", "msp430f47193", "msp430f47196", + "msp430f47197", "msp430f5131", "msp430f5132", "msp430f5151", "msp430f5152", + "msp430f5171", "msp430f5172", "msp430f5212", "msp430f5213", "msp430f5214", + "msp430f5217", "msp430f5218", "msp430f5219", "msp430f5222", "msp430f5223", + "msp430f5224", "msp430f5227", "msp430f5228", "msp430f5229", "msp430f5304", + "msp430f5308", "msp430f5309", "msp430f5310", "msp430f5324", "msp430f5325", + "msp430f5326", "msp430f5327", "msp430f5328", "msp430f5329", "msp430f5333", + "msp430f5335", "msp430f5336", "msp430f5338", "msp430f5340", "msp430f5341", + "msp430f5342", "msp430f5358", "msp430f5359", "msp430f5418", "msp430f5418a", + "msp430f5419", "msp430f5419a", "msp430f5435", "msp430f5435a", "msp430f5436", + "msp430f5436a", "msp430f5437", "msp430f5437a", "msp430f5438", "msp430f5438a", + "msp430f5500", "msp430f5501", "msp430f5502", "msp430f5503", "msp430f5504", + "msp430f5505", "msp430f5506", "msp430f5507", "msp430f5508", "msp430f5509", + "msp430f5510", "msp430f5513", "msp430f5514", "msp430f5515", "msp430f5517", + "msp430f5519", "msp430f5521", "msp430f5522", "msp430f5524", "msp430f5525", + "msp430f5526", "msp430f5527", "msp430f5528", "msp430f5529", "msp430f5630", + "msp430f5631", "msp430f5632", "msp430f5633", "msp430f5634", "msp430f5635", + "msp430f5636", "msp430f5637", "msp430f5638", "msp430f5658", "msp430f5659", + "msp430f6433", "msp430f6435", "msp430f6436", "msp430f6438", "msp430f6458", + "msp430f6459", "msp430f6630", "msp430f6631", "msp430f6632", "msp430f6633", + "msp430f6634", "msp430f6635", "msp430f6636", "msp430f6637", "msp430f6638", + "msp430f6658", "msp430f6659", "msp430f6720", "msp430f6721", "msp430f6723", + "msp430f6724", "msp430f6725", "msp430f6726", "msp430f6730", "msp430f6731", + "msp430f6733", "msp430f6734", "msp430f6735", "msp430f6736", "msp430f6745", + "msp430f67451", "msp430f6746", "msp430f67461", "msp430f6747", "msp430f67471", + "msp430f6748", "msp430f67481", "msp430f6749", "msp430f67491", "msp430f6765", + "msp430f67651", "msp430f6766", "msp430f67661", "msp430f6767", "msp430f67671", + "msp430f6768", "msp430f67681", "msp430f6769", "msp430f67691", "msp430f6775", + "msp430f67751", "msp430f6776", "msp430f67761", "msp430f6777", "msp430f67771", + "msp430f6778", "msp430f67781", "msp430f6779", "msp430f67791", "msp430fg4616", + "msp430fg4617", "msp430fg4618", "msp430fg4619", "msp430fr5720", "msp430fr5721", + "msp430fr5722", "msp430fr5723", "msp430fr5724", "msp430fr5725", "msp430fr5726", + "msp430fr5727", "msp430fr5728", "msp430fr5729", "msp430fr5730", "msp430fr5731", + "msp430fr5732", "msp430fr5733", "msp430fr5734", "msp430fr5735", "msp430fr5736", + "msp430fr5737", "msp430fr5738", "msp430fr5739", "msp430fr5949", "msp430fr5969", + "msp430sl5438a","msp430x241x", "msp430x26x", "msp430x461x1", "msp430x46x", + "msp430x471x3", "msp430x471x6", "msp430x471x7", "msp430xg46x" +}; + +/* Generate a C preprocessor symbol based upon the MCU selected by the user. + If a specific MCU has not been selected then return a generic symbol instead. */ + +const char * +msp430_mcu_name (void) +{ + if (target_cpu) + { + unsigned int i; + static char mcu_name [64]; + + snprintf (mcu_name, sizeof (mcu_name) - 1, "__%s__", target_cpu); + for (i = strlen (mcu_name); i--;) + mcu_name[i] = TOUPPER (mcu_name[i]); + return mcu_name; + } + + return msp430x ? "__MSP430XGENERIC__" : "__MSP430GENERIC__"; +} + static void msp430_option_override (void) { init_machine_status = msp430_init_machine_status; - if (target_cpu - && (strstr (target_cpu, "430x") - || strstr (target_cpu, "430X"))) - msp430x = true; + if (target_cpu) + { + unsigned i; + + for (i = ARRAY_SIZE (msp430x_names); i--;) + if (strcasecmp (target_cpu, msp430x_names[i]) == 0) + { + msp430x = true; + break; + } + /* Note - it is not an error if we did not recognize the MCU + name. The msp430x_names array only contains those MCU names + which are currently known to use the MSP430X ISA. There are + lots of other MCUs which just use the MSP430 ISA. */ + + /* We also recognise two generic MCU 430X names. They do not + appear in the msp430x_names table as we want to be able to + generate special C preprocessor defines for them. */ + if (strcasecmp (target_cpu, "msp430x") == 0 + || strcasecmp (target_cpu, "msp430xv2") == 0) + msp430x = true; + } if (TARGET_LARGE && !msp430x) error ("-mlarge requires a 430X-compatible -mmcu="); @@ -1291,7 +1390,7 @@ msp430_expand_epilogue (int is_eh) if (cfun->machine->need_to_save [10]) { /* Check for a helper function. */ - helper_n = 7; /* for when the loop below never sees a match. */ + helper_n = 7; /* For when the loop below never sees a match. */ for (i = 9; i >= 4; i--) if (!cfun->machine->need_to_save [i]) { @@ -1354,7 +1453,7 @@ msp430_expand_epilogue (int is_eh) && ! is_critical_func () && crtl->args.pretend_args_size == 0 /* Calling the helper takes as many bytes as the POP;RET sequence. */ - && helper_n != 1 + && helper_n > 1 && !is_eh) { emit_insn (gen_epilogue_helper (GEN_INT (helper_n))); @@ -1494,7 +1593,7 @@ msp430_expand_helper (rtx *operands, const char *helper_name, bool const_variant /* Note that the INTVAL is limited in value and length by the conditional above. */ int len = strlen (helper_name) + 4; helper_const = (char *) xmalloc (len); - snprintf (helper_const, len, "%s_%ld", helper_name, (int) INTVAL (operands[2])); + snprintf (helper_const, len, "%s_%d", helper_name, (int) INTVAL (operands[2])); } emit_move_insn (gen_rtx_REG (arg1mode, 12), @@ -1722,12 +1821,10 @@ msp430_output_labelref (FILE *file, const char *name) fputs (name, file); } -#undef TARGET_PRINT_OPERAND -#define TARGET_PRINT_OPERAND msp430_print_operand +/* Common code for msp430_print_operand... */ -/* Common code for msp430_print_operand(). */ static void -msp430_print_operand_raw (FILE * file, rtx op, int letter ATTRIBUTE_UNUSED) +msp430_print_operand_raw (FILE * file, rtx op) { int i; @@ -1759,6 +1856,45 @@ msp430_print_operand_raw (FILE * file, rtx op, int letter ATTRIBUTE_UNUSED) } } +#undef TARGET_PRINT_OPERAND_ADDRESS +#define TARGET_PRINT_OPERAND_ADDRESS msp430_print_operand_addr + +/* Output to stdio stream FILE the assembler syntax for an + instruction operand that is a memory reference whose address + is ADDR. */ + +static void +msp430_print_operand_addr (FILE * file, rtx addr) +{ + switch (GET_CODE (addr)) + { + case PLUS: + msp430_print_operand_raw (file, XEXP (addr, 1)); + gcc_assert (REG_P (XEXP (addr, 0))); + fprintf (file, "(%s)", reg_names [REGNO (XEXP (addr, 0))]); + return; + + case REG: + fprintf (file, "@"); + break; + + case CONST: + case CONST_INT: + case SYMBOL_REF: + case LABEL_REF: + fprintf (file, "&"); + break; + + default: + break; + } + + msp430_print_operand_raw (file, addr); +} + +#undef TARGET_PRINT_OPERAND +#define TARGET_PRINT_OPERAND msp430_print_operand + static void msp430_print_operand (FILE * file, rtx op, int letter) { @@ -1803,7 +1939,7 @@ msp430_print_operand (FILE * file, rtx op, int letter) case GT: fprintf (file, "GE"); break; case LE: fprintf (file, "L"); break; default: - msp430_print_operand_raw (file, op, letter); + msp430_print_operand_raw (file, op); break; } return; @@ -1815,7 +1951,7 @@ msp430_print_operand (FILE * file, rtx op, int letter) case GT: fprintf (file, "L"); break; case LE: fprintf (file, "GE"); break; default: - msp430_print_operand_raw (file, op, letter); + msp430_print_operand_raw (file, op); break; } return; @@ -1897,38 +2033,18 @@ msp430_print_operand (FILE * file, rtx op, int letter) fprintf (file, "%d", msp430_initial_elimination_offset (ARG_POINTER_REGNUM, STACK_POINTER_REGNUM) - 2); - return ; + return; } switch (GET_CODE (op)) { case REG: - msp430_print_operand_raw (file, op, letter); + msp430_print_operand_raw (file, op); break; case MEM: addr = XEXP (op, 0); - switch (GET_CODE (addr)) - { - case REG: - fprintf (file, "@%s", reg_names [REGNO (addr)]); - break; - case PLUS: - msp430_print_operand_raw (file, XEXP (addr, 1), letter); - fprintf (file, "(%s)", reg_names [REGNO (XEXP (addr, 0))]); - break; - case CONST: - case CONST_INT: - case SYMBOL_REF: - case LABEL_REF: - fprintf (file, "&"); - msp430_print_operand_raw (file, addr, letter); - break; - - default: - print_rtl (file, addr); - break; - } + msp430_print_operand_addr (file, addr); break; case CONST_INT: @@ -1937,7 +2053,7 @@ msp430_print_operand (FILE * file, rtx op, int letter) case LABEL_REF: if (letter == 0) fprintf (file, "#"); - msp430_print_operand_raw (file, op, letter); + msp430_print_operand_raw (file, op); break; case EQ: fprintf (file, "EQ"); break; @@ -1951,7 +2067,6 @@ msp430_print_operand (FILE * file, rtx op, int letter) print_rtl (file, op); break; } - } |